Analysis

  • max time kernel
    119s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-01-2025 10:58

General

  • Target

    Contract_0103.exe

  • Size

    705KB

  • MD5

    c83ee1a2f029b861a6a66ea25e2ae356

  • SHA1

    97b083bf9f6b797d328bc37f43eabcfdd007c3eb

  • SHA256

    e4f2a7707dc8781db5279fef6f56adf628981b82c6b9640f82af0f7decce8626

  • SHA512

    113764c1599dafc25b5e3d5ab1aafe5dfc62cf1b832e6f6794f19cace61cb9ac5b35f3c19e25a0f536f2539ed07d3a462ebb3bfc04bd293ad7f62e39a337cd96

  • SSDEEP

    12288:wIq4E6mfJiLl9yWcbQkpClSxCxC61F9SDc8GFXDfL16T3gu+kx0TpvpKRZNi2L:DEkD+pCljC6X9WG6T3g1JRw

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Snakekeylogger family
  • 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.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 3 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 4 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Contract_0103.exe
    "C:\Users\Admin\AppData\Local\Temp\Contract_0103.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1816
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aRoqpToBa.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:568
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aRoqpToBa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF815.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2764
    • C:\Users\Admin\AppData\Local\Temp\Contract_0103.exe
      "C:\Users\Admin\AppData\Local\Temp\Contract_0103.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF815.tmp

    Filesize

    1KB

    MD5

    61bbc5e8fb9aa81b93e8c71641958181

    SHA1

    74ea982748c0faab6b9c2d2e3ab284e360cc28da

    SHA256

    66ff9b130e5bb2ac86d3e386e1ceec5c2b0a2068b81a3e563a3be10a08dba26d

    SHA512

    3a9d420a721ae194cc2131e3e1ff0b7f76884a9857598d095385f151de9447f74cdb2aff72f511f96c88bc865edd8208ddaf071327011b6607ce39cfa5098210

  • memory/1816-27-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/1816-1-0x00000000012F0000-0x00000000013A6000-memory.dmp

    Filesize

    728KB

  • memory/1816-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/1816-3-0x0000000000480000-0x000000000049C000-memory.dmp

    Filesize

    112KB

  • memory/1816-4-0x000000007463E000-0x000000007463F000-memory.dmp

    Filesize

    4KB

  • memory/1816-5-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/1816-6-0x0000000005CB0000-0x0000000005D1C000-memory.dmp

    Filesize

    432KB

  • memory/1816-0-0x000000007463E000-0x000000007463F000-memory.dmp

    Filesize

    4KB

  • memory/3052-26-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3052-23-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3052-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3052-20-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3052-18-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3052-16-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3052-14-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3052-24-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB