General

  • Target

    b3219a26698ad2826dcb475dd47efc5e018191c1abec6e10b6469c7a04749de4_NeikiAnalytics.exe

  • Size

    10.0MB

  • Sample

    240629-tx6fsa1dme

  • MD5

    ef7867eb7e9b5be895b1978d2c388fa0

  • SHA1

    665f43533d1fb49da13d7919e34aa5f60987f638

  • SHA256

    b3219a26698ad2826dcb475dd47efc5e018191c1abec6e10b6469c7a04749de4

  • SHA512

    a5525d28ef1a99d4ca798f132b120850e7a9293e11df84fcc814ae4413edfcf70631aac556df57927ee82ee24f99da3a7f77a06cc516835d20a7231f2d5b6203

  • SSDEEP

    196608:oaBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBX:9BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Targets

    • Target

      b3219a26698ad2826dcb475dd47efc5e018191c1abec6e10b6469c7a04749de4_NeikiAnalytics.exe

    • Size

      10.0MB

    • MD5

      ef7867eb7e9b5be895b1978d2c388fa0

    • SHA1

      665f43533d1fb49da13d7919e34aa5f60987f638

    • SHA256

      b3219a26698ad2826dcb475dd47efc5e018191c1abec6e10b6469c7a04749de4

    • SHA512

      a5525d28ef1a99d4ca798f132b120850e7a9293e11df84fcc814ae4413edfcf70631aac556df57927ee82ee24f99da3a7f77a06cc516835d20a7231f2d5b6203

    • SSDEEP

      196608:oaBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBX:9BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Windows security bypass

    • Creates new service(s)

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks