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Analysis

  • max time kernel
    90s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 13:36

General

  • Target

    1e2754b3cdcf417cf8a396df60f61b3f75f10cc61d27807991882c5149e9c681.exe

  • Size

    560KB

  • MD5

    0c84a5727488a29d79506aad7b9e8fca

  • SHA1

    71bb901c18f2c9cf8514e9bfb9c9462398ad30c6

  • SHA256

    1e2754b3cdcf417cf8a396df60f61b3f75f10cc61d27807991882c5149e9c681

  • SHA512

    82fecbd6eaa17ce089bdd851272ff254114b28e37c46cb565f05d5868fa956221a558c68482cc2fccd43dfdf4c2b2244e6801009b36f086b1e1718f78b9c5888

  • SSDEEP

    12288:1bQNl/WqCYWjgAXty1e6AhQn/rXuoW+sr6RfO12K8Q0:1bmbWjgktYnzvdKcI2K8Q0

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.stpgig.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Stpgig#Login21
C2

https://scratchdreams.tk

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\1e2754b3cdcf417cf8a396df60f61b3f75f10cc61d27807991882c5149e9c681.exe
    "C:\Users\Admin\AppData\Local\Temp\1e2754b3cdcf417cf8a396df60f61b3f75f10cc61d27807991882c5149e9c681.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5084
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ffVsTPS.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2520
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ffVsTPS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA047.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1728
    • C:\Users\Admin\AppData\Local\Temp\1e2754b3cdcf417cf8a396df60f61b3f75f10cc61d27807991882c5149e9c681.exe
      C:\Users\Admin\AppData\Local\Temp\1e2754b3cdcf417cf8a396df60f61b3f75f10cc61d27807991882c5149e9c681.exe
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2936
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\1e2754b3cdcf417cf8a396df60f61b3f75f10cc61d27807991882c5149e9c681.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4700
        • C:\Windows\system32\choice.exe
          choice /C Y /N /D Y /T 3
          4⤵
            PID:2172

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\1e2754b3cdcf417cf8a396df60f61b3f75f10cc61d27807991882c5149e9c681.exe.log

      Filesize

      1KB

      MD5

      00e11b196d5ba77191cba469e8925764

      SHA1

      f1546b803f20c8b4010f862843edc0b0771a681b

      SHA256

      abfc56372bee93b3c083a66ac449e55f824c5ef64cbb87d656011cc0ff1ec6c1

      SHA512

      985bd5a4d4f516701e54a4c361dd3a454cb107694cd240336e32365822f49b47f0a2e0cc04ae7866bfd4d142175540bb329f02f3e1b990e9a09c63c2e258f0a7

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fc00l0pp.41h.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpA047.tmp

      Filesize

      1KB

      MD5

      5a077b2fac5d4eebca01150bacec0f16

      SHA1

      a418cb93fb5479b79c4741c7d88d0bfb818ebc85

      SHA256

      5d07bbefcd50210e998ee83d3a9ce734b34566a570f8de7c62fbd522e8965d13

      SHA512

      7888535a83f8a0d18b5865b9b9b61ca901db27e0a1fdf7ff2eb5ed70e6a0f6678acc148f97b3ab2614cfde22fc17d47823b48f3484dcb5738ae97aa8a19a6e2a

    • memory/2520-15-0x00007FF9CC9B0000-0x00007FF9CD471000-memory.dmp

      Filesize

      10.8MB

    • memory/2520-16-0x0000013C44990000-0x0000013C449A0000-memory.dmp

      Filesize

      64KB

    • memory/2520-33-0x00007FF9CC9B0000-0x00007FF9CD471000-memory.dmp

      Filesize

      10.8MB

    • memory/2520-29-0x0000013C2C510000-0x0000013C2C532000-memory.dmp

      Filesize

      136KB

    • memory/2520-17-0x0000013C44990000-0x0000013C449A0000-memory.dmp

      Filesize

      64KB

    • memory/2936-35-0x00007FF9CC9B0000-0x00007FF9CD471000-memory.dmp

      Filesize

      10.8MB

    • memory/2936-30-0x00007FF9CC9B0000-0x00007FF9CD471000-memory.dmp

      Filesize

      10.8MB

    • memory/2936-13-0x0000000140000000-0x0000000140024000-memory.dmp

      Filesize

      144KB

    • memory/2936-19-0x000000001C1C0000-0x000000001C1D0000-memory.dmp

      Filesize

      64KB

    • memory/5084-3-0x00000000015E0000-0x00000000015FA000-memory.dmp

      Filesize

      104KB

    • memory/5084-18-0x00007FF9CC9B0000-0x00007FF9CD471000-memory.dmp

      Filesize

      10.8MB

    • memory/5084-0-0x0000000000B00000-0x0000000000B8C000-memory.dmp

      Filesize

      560KB

    • memory/5084-2-0x000000001C6D0000-0x000000001C6E0000-memory.dmp

      Filesize

      64KB

    • memory/5084-4-0x00007FF9CC9B0000-0x00007FF9CD471000-memory.dmp

      Filesize

      10.8MB

    • memory/5084-7-0x000000001DCA0000-0x000000001DD06000-memory.dmp

      Filesize

      408KB

    • memory/5084-6-0x000000001C6E0000-0x000000001C6F0000-memory.dmp

      Filesize

      64KB

    • memory/5084-1-0x00007FF9CC9B0000-0x00007FF9CD471000-memory.dmp

      Filesize

      10.8MB

    • memory/5084-5-0x000000001C6C0000-0x000000001C6D2000-memory.dmp

      Filesize

      72KB