Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/02/2023, 08:02

General

  • Target
    57bfcea7679658da748400b3083a5da4.exe
  • Size 731KB
  • Sample230207-jw7mcade2y
  • SHA256 dfce3d45a141a90bb1dda531b99447c1c8ce99be74c704d888af79f2a444c1d4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\57bfcea7679658da748400b3083a5da4.exe
    "C:\Users\Admin\AppData\Local\Temp\57bfcea7679658da748400b3083a5da4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Users\Admin\AppData\Local\Temp\57bfcea7679658da748400b3083a5da4.exe
      "C:\Users\Admin\AppData\Local\Temp\57bfcea7679658da748400b3083a5da4.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2600
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 1544
        3⤵
        • Program crash
        PID:1700
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2600 -ip 2600
    1⤵
      PID:4484

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          57bfcea7679658da748400b3083a5da4.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\57bfcea7679658da748400b3083a5da4.exe.log
          • Size 1KB
          • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
          • MD5 SHA1 SHA512

          memory/2220-132-0x0000000000750000-0x000000000080C000-memory.dmp

          memory/2220-133-0x0000000005660000-0x0000000005C04000-memory.dmp

          memory/2220-134-0x00000000051A0000-0x0000000005232000-memory.dmp

          memory/2220-135-0x0000000005360000-0x000000000536A000-memory.dmp

          memory/2220-136-0x0000000008E20000-0x0000000008EBC000-memory.dmp

          memory/2600-138-0x0000000000400000-0x0000000000426000-memory.dmp