Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 14:24

General

  • Target

    bb76efebcd4a82f8a51e25e2bb4bd63625db2e6f03d07452d1cfa060918c62f0.exe

  • Size

    651KB

  • MD5

    bd1e1c32c0d45c1a6c0c70a8b83740e2

  • SHA1

    9a33ffe797f9318289b10e41d4ed10d966cfd578

  • SHA256

    bb76efebcd4a82f8a51e25e2bb4bd63625db2e6f03d07452d1cfa060918c62f0

  • SHA512

    534cc7c29dd7a15d6b8e29ba15c3a44baeb315f7826da19877d12052418899d9093403f2bd5800594d885e30ab7790fc1faea254d79fd42ed7f88beafed3947f

  • SSDEEP

    12288:Ue69UNW+A0BroXA2u9pAxzJxj2hCGXbmBoznolq5Ic:Uer5rcu9gNxjMvrmBoznoMu

Malware Config

Extracted

Family

snakekeylogger

C2

http://varders.kozow.com:8081

http://aborters.duckdns.org:8081

http://anotherarmy.dns.army:8081

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb76efebcd4a82f8a51e25e2bb4bd63625db2e6f03d07452d1cfa060918c62f0.exe
    "C:\Users\Admin\AppData\Local\Temp\bb76efebcd4a82f8a51e25e2bb4bd63625db2e6f03d07452d1cfa060918c62f0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4428
    • C:\Users\Admin\AppData\Local\Temp\bb76efebcd4a82f8a51e25e2bb4bd63625db2e6f03d07452d1cfa060918c62f0.exe
      "C:\Users\Admin\AppData\Local\Temp\bb76efebcd4a82f8a51e25e2bb4bd63625db2e6f03d07452d1cfa060918c62f0.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3352
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\bb76efebcd4a82f8a51e25e2bb4bd63625db2e6f03d07452d1cfa060918c62f0.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3872
        • C:\Windows\SysWOW64\choice.exe
          choice /C Y /N /D Y /T 3
          4⤵
            PID:4984

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bb76efebcd4a82f8a51e25e2bb4bd63625db2e6f03d07452d1cfa060918c62f0.exe.log

      Filesize

      706B

      MD5

      f8bcaf312de8591707436c1dcebba8e4

      SHA1

      a1269828e5f644601622f4a7a611aec8f2eda0b2

      SHA256

      f0f5a90777c70cdceea22bd66b33c1703a318acc45cb012d0b01585a1ac12b29

      SHA512

      3a714f5950584abbc94a27bbd4623bfc5acb1135c8c9fca4d74e70c8481b71ace7dbc1dfbf101dd07c76a050acfb4852f31dd57fc7ae196382336c5edc9e6413

    • memory/3352-15-0x00000000746C0000-0x0000000074E70000-memory.dmp

      Filesize

      7.7MB

    • memory/3352-14-0x0000000004A80000-0x0000000004A90000-memory.dmp

      Filesize

      64KB

    • memory/3352-11-0x00000000746C0000-0x0000000074E70000-memory.dmp

      Filesize

      7.7MB

    • memory/3352-13-0x0000000000610000-0x000000000062C000-memory.dmp

      Filesize

      112KB

    • memory/4428-2-0x00000000052D0000-0x000000000531A000-memory.dmp

      Filesize

      296KB

    • memory/4428-6-0x0000000005590000-0x000000000562C000-memory.dmp

      Filesize

      624KB

    • memory/4428-7-0x00000000053F0000-0x00000000053F8000-memory.dmp

      Filesize

      32KB

    • memory/4428-5-0x0000000005450000-0x00000000054E2000-memory.dmp

      Filesize

      584KB

    • memory/4428-4-0x0000000005960000-0x0000000005F04000-memory.dmp

      Filesize

      5.6MB

    • memory/4428-12-0x00000000746C0000-0x0000000074E70000-memory.dmp

      Filesize

      7.7MB

    • memory/4428-1-0x00000000746C0000-0x0000000074E70000-memory.dmp

      Filesize

      7.7MB

    • memory/4428-3-0x00000000053A0000-0x00000000053B0000-memory.dmp

      Filesize

      64KB

    • memory/4428-0-0x00000000008C0000-0x000000000096A000-memory.dmp

      Filesize

      680KB