Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2024 10:20

General

  • Target

    187b18b2f899560b7a11e8e8d9532fca975f881ef23007576474dcf087903dc9.exe

  • Size

    713KB

  • MD5

    5b764e745be569a5dfb883e255080fa9

  • SHA1

    f1bd0c7798776bbead416b2feab3ecb2a1b433c1

  • SHA256

    187b18b2f899560b7a11e8e8d9532fca975f881ef23007576474dcf087903dc9

  • SHA512

    29baa8d16acbd4b40ae912c040cdca524749a24d760722bd8ad21f5295aa295bd11052c8bb600dbe860dc4d14d6e1209daf8c8f53925dbb68755e4a43f58de79

  • SSDEEP

    12288:u8XPrixlaIH2qwgSUOagJ3mDdcbk9gPikwsbeo4saWC8hZ:u4uxlaIGgVOaUWqo9Eikwau8

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8183422874:AAGqcPtzxPUU2hrA-VMQ9I_vPVTL-SZlwpo/sendMessage?chat_id=2135869667

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\187b18b2f899560b7a11e8e8d9532fca975f881ef23007576474dcf087903dc9.exe
    "C:\Users\Admin\AppData\Local\Temp\187b18b2f899560b7a11e8e8d9532fca975f881ef23007576474dcf087903dc9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4760
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nfYAIYYVCvPz.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3588
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nfYAIYYVCvPz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9D78.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2172
    • C:\Users\Admin\AppData\Local\Temp\187b18b2f899560b7a11e8e8d9532fca975f881ef23007576474dcf087903dc9.exe
      "C:\Users\Admin\AppData\Local\Temp\187b18b2f899560b7a11e8e8d9532fca975f881ef23007576474dcf087903dc9.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4092
      • 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\187b18b2f899560b7a11e8e8d9532fca975f881ef23007576474dcf087903dc9.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1264
        • C:\Windows\SysWOW64\choice.exe
          choice /C Y /N /D Y /T 3
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\187b18b2f899560b7a11e8e8d9532fca975f881ef23007576474dcf087903dc9.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v4r55pbz.m3j.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp9D78.tmp

    Filesize

    1KB

    MD5

    4e85a4da5a434f8c4cdf7bedace9f0ef

    SHA1

    77937f4773a62a0e11467f6ce2d49a47c5bdfde7

    SHA256

    8829c173c7c5d91ced2b3907318032e5cdc1565c7d37cc962a7b861e8435c5b2

    SHA512

    2ecfc2e6dca0b93076dcbecf04a2966a83e15ab9e57eb3cf99efb9985921ef3a0be372d22bd32c924ec3d1b45f33cb9869916edf7b49963425955d3fdd02cb10

  • memory/3588-52-0x0000000007540000-0x00000000075E3000-memory.dmp

    Filesize

    652KB

  • memory/3588-59-0x0000000007880000-0x0000000007891000-memory.dmp

    Filesize

    68KB

  • memory/3588-66-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/3588-63-0x00000000079A0000-0x00000000079A8000-memory.dmp

    Filesize

    32KB

  • memory/3588-62-0x00000000079C0000-0x00000000079DA000-memory.dmp

    Filesize

    104KB

  • memory/3588-61-0x00000000078C0000-0x00000000078D4000-memory.dmp

    Filesize

    80KB

  • memory/3588-28-0x0000000005C90000-0x0000000005CF6000-memory.dmp

    Filesize

    408KB

  • memory/3588-60-0x00000000078B0000-0x00000000078BE000-memory.dmp

    Filesize

    56KB

  • memory/3588-15-0x0000000002A30000-0x0000000002A66000-memory.dmp

    Filesize

    216KB

  • memory/3588-58-0x0000000007900000-0x0000000007996000-memory.dmp

    Filesize

    600KB

  • memory/3588-17-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/3588-18-0x00000000055F0000-0x0000000005C18000-memory.dmp

    Filesize

    6.2MB

  • memory/3588-55-0x00000000076F0000-0x00000000076FA000-memory.dmp

    Filesize

    40KB

  • memory/3588-20-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/3588-54-0x0000000007680000-0x000000000769A000-memory.dmp

    Filesize

    104KB

  • memory/3588-53-0x0000000007CC0000-0x000000000833A000-memory.dmp

    Filesize

    6.5MB

  • memory/3588-24-0x00000000054A0000-0x00000000054C2000-memory.dmp

    Filesize

    136KB

  • memory/3588-51-0x0000000006920000-0x000000000693E000-memory.dmp

    Filesize

    120KB

  • memory/3588-41-0x0000000070910000-0x000000007095C000-memory.dmp

    Filesize

    304KB

  • memory/3588-40-0x0000000007500000-0x0000000007532000-memory.dmp

    Filesize

    200KB

  • memory/3588-29-0x0000000005D00000-0x0000000005D66000-memory.dmp

    Filesize

    408KB

  • memory/3588-37-0x0000000005D70000-0x00000000060C4000-memory.dmp

    Filesize

    3.3MB

  • memory/3588-38-0x0000000006330000-0x000000000634E000-memory.dmp

    Filesize

    120KB

  • memory/3588-39-0x0000000006370000-0x00000000063BC000-memory.dmp

    Filesize

    304KB

  • memory/4092-22-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4092-27-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4092-19-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/4092-57-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4760-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

    Filesize

    4KB

  • memory/4760-23-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4760-3-0x0000000005800000-0x0000000005892000-memory.dmp

    Filesize

    584KB

  • memory/4760-9-0x0000000006CF0000-0x0000000006D58000-memory.dmp

    Filesize

    416KB

  • memory/4760-4-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4760-2-0x0000000005DB0000-0x0000000006354000-memory.dmp

    Filesize

    5.6MB

  • memory/4760-1-0x0000000000D60000-0x0000000000E18000-memory.dmp

    Filesize

    736KB

  • memory/4760-10-0x0000000009400000-0x000000000949C000-memory.dmp

    Filesize

    624KB

  • memory/4760-8-0x0000000074EB0000-0x0000000075660000-memory.dmp

    Filesize

    7.7MB

  • memory/4760-7-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

    Filesize

    4KB

  • memory/4760-6-0x0000000006A90000-0x0000000006AA2000-memory.dmp

    Filesize

    72KB

  • memory/4760-5-0x00000000058C0000-0x00000000058CA000-memory.dmp

    Filesize

    40KB