Analysis

  • max time kernel
    92s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-10-2024 10:14

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:3008
    • 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:2344
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nfYAIYYVCvPz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE704.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:320
    • 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:4500
      • 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:2756
        • C:\Windows\SysWOW64\choice.exe
          choice /C Y /N /D Y /T 3
          4⤵
          • System Location Discovery: System Language Discovery
          PID:456

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_2us120an.shw.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpE704.tmp

    Filesize

    1KB

    MD5

    685fc740ae5aae46367f4bc1d890b519

    SHA1

    f4def569ec4bee67c6fcd069bd9bd9b3c82fa066

    SHA256

    0a7a367f47bf79b862f3eae584c11b99c8c3488aadf19d018f4fffce6f245c19

    SHA512

    ee9dc4b5eb6ffb8d0e099de33cfa5641ee69a849a93b0178231e66f509d55b0a89006b069555830d71151fa5aa16d950c3c7dcfc8b83209c6a7d1d182ea8f86b

  • memory/2344-52-0x00000000069F0000-0x0000000006A93000-memory.dmp

    Filesize

    652KB

  • memory/2344-59-0x0000000006F70000-0x0000000006F84000-memory.dmp

    Filesize

    80KB

  • memory/2344-64-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/2344-61-0x0000000007050000-0x0000000007058000-memory.dmp

    Filesize

    32KB

  • memory/2344-60-0x0000000007070000-0x000000000708A000-memory.dmp

    Filesize

    104KB

  • memory/2344-58-0x0000000006F60000-0x0000000006F6E000-memory.dmp

    Filesize

    56KB

  • memory/2344-26-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/2344-57-0x0000000006F30000-0x0000000006F41000-memory.dmp

    Filesize

    68KB

  • memory/2344-15-0x0000000002120000-0x0000000002156000-memory.dmp

    Filesize

    216KB

  • memory/2344-16-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/2344-18-0x0000000004BD0000-0x00000000051F8000-memory.dmp

    Filesize

    6.2MB

  • memory/2344-56-0x0000000006FB0000-0x0000000007046000-memory.dmp

    Filesize

    600KB

  • memory/2344-19-0x0000000004A30000-0x0000000004A52000-memory.dmp

    Filesize

    136KB

  • memory/2344-55-0x0000000006DA0000-0x0000000006DAA000-memory.dmp

    Filesize

    40KB

  • memory/2344-21-0x0000000004B40000-0x0000000004BA6000-memory.dmp

    Filesize

    408KB

  • memory/2344-20-0x0000000004AD0000-0x0000000004B36000-memory.dmp

    Filesize

    408KB

  • memory/2344-24-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/2344-54-0x0000000006D30000-0x0000000006D4A000-memory.dmp

    Filesize

    104KB

  • memory/2344-53-0x0000000007370000-0x00000000079EA000-memory.dmp

    Filesize

    6.5MB

  • memory/2344-51-0x0000000005FC0000-0x0000000005FDE000-memory.dmp

    Filesize

    120KB

  • memory/2344-25-0x00000000053C0000-0x0000000005714000-memory.dmp

    Filesize

    3.3MB

  • memory/2344-41-0x0000000071240000-0x000000007128C000-memory.dmp

    Filesize

    304KB

  • memory/2344-38-0x0000000005A10000-0x0000000005A2E000-memory.dmp

    Filesize

    120KB

  • memory/2344-39-0x0000000005D60000-0x0000000005DAC000-memory.dmp

    Filesize

    304KB

  • memory/2344-40-0x0000000006000000-0x0000000006032000-memory.dmp

    Filesize

    200KB

  • memory/3008-5-0x0000000005A10000-0x0000000005A1A000-memory.dmp

    Filesize

    40KB

  • memory/3008-4-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/3008-0-0x00000000753AE000-0x00000000753AF000-memory.dmp

    Filesize

    4KB

  • memory/3008-10-0x0000000009670000-0x000000000970C000-memory.dmp

    Filesize

    624KB

  • memory/3008-2-0x0000000006000000-0x00000000065A4000-memory.dmp

    Filesize

    5.6MB

  • memory/3008-27-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/3008-3-0x0000000005A50000-0x0000000005AE2000-memory.dmp

    Filesize

    584KB

  • memory/3008-9-0x0000000006DF0000-0x0000000006E58000-memory.dmp

    Filesize

    416KB

  • memory/3008-8-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/3008-1-0x0000000000F60000-0x0000000001018000-memory.dmp

    Filesize

    736KB

  • memory/3008-7-0x00000000753AE000-0x00000000753AF000-memory.dmp

    Filesize

    4KB

  • memory/3008-6-0x0000000007090000-0x00000000070A2000-memory.dmp

    Filesize

    72KB

  • memory/4500-22-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/4500-33-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/4500-66-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB