3.90.97.16

3.90.97.16 is an IP address that 3 published sources report in connection with Lazarus Group activity, which public reporting attributes to North Korea (DPRK). It is cited here from JPCERT/CC. The earliest of those reports is dated 2021-03-21 and the most recent 2021-11-24.

ip address Lazarus Group MATCHED IN SOURCE

First seen 2021-03-21 · last seen 2021-11-24

Network

Kinddata centre
NetworkAmazon Technologies Inc. (AWS EC2 (us-east-1))
Announced byAS14618 Amazon.com, Inc.
CountryUnited States
Flagshosting range

Looked up 2026-09-21 at ip-api.com. A hosting range is not evidence on its own.

Sources

  • …NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.3) Host: 3.90.97.16 Content-Length: 0 Proxy-Connection: Keep-Alive Pragma: no-cache Although it is a HTTP POST request, it does not contain any data to send.…
    Lazarus Attack Activities Targeting Japan (VSingle/ValeforBeta) — JPCERT/CC · under “ValeforBeta communication with C2 servers” · published 2021-03-21 · pulled 2026-09-12
  • …NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.3) Host: 3.90.97.16 Content-Length: 0 Proxy-Connection: Keep-Alive Pragma: no-cache Base64 データ “[8 文字のランダムな文字列 ][ データ ][ ランダム文字列 (4-12 文字 )]" [ データ ]…
    The Lazarus Group's Attack Operations Targeting Japan (CODE BLUE 2021) — JPCERT/CC · published 2021-11-24 · pulled 2026-10-01
  • …NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.3) Host: 3.90.97.16 Content-Length: 0 Proxy-Connection: Keep-Alive Pragma: no-cache Base64 data "[8-letter random string][ data ][random string (4-12…
    Anatomy of COBRA (HITCON 2021) — JPCERT/CC · published 2021-10-29 · pulled 2026-10-01

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Related indicators

Cited by the same report: Lazarus Attack Activities Targeting Japan (VSingle/ValeforBeta)

JPCERT/CC lists 2 other indicators in this source.

Cited by the same report: The Lazarus Group's Attack Operations Targeting Japan (CODE BLUE 2021)

JPCERT/CC lists 1 other indicator in this source.

Disclaimer An entry here is not proof of DPRK affiliation or wrongdoing. A listed name, account or address may belong to an uninvolved person, so each entry is a lead to verify independently. What inclusion means. See the sourcing methodology.