Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    09-05-2024 01:45

General

  • Target

    8a3d0e96ab670914b932cdd86254db25e5e45c5f6a540e331bdc9370863542d9.exe

  • Size

    491KB

  • MD5

    1aa85e7264a5b41dea1dc1347c21c6e4

  • SHA1

    0673529b1f6635f1d6bf652f78bd95b615a7fc62

  • SHA256

    8a3d0e96ab670914b932cdd86254db25e5e45c5f6a540e331bdc9370863542d9

  • SHA512

    05e126fd810007191ddf41aaf85ae521d2d0303fe26a56aff82c420238beb329b40436252873f970038144a239d44d8c29b428dda09835ba1341d6b6b1e0fa62

  • SSDEEP

    12288:pyQHwt3dGClR6NsJw0lp1BUiFJx75otHbHc:Gt3MCwsJwgPx75c

Malware Config

Extracted

Family

snakekeylogger

Credentials
C2

https://scratchdreams.tk

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables with potential process hoocking 5 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8a3d0e96ab670914b932cdd86254db25e5e45c5f6a540e331bdc9370863542d9.exe
    "C:\Users\Admin\AppData\Local\Temp\8a3d0e96ab670914b932cdd86254db25e5e45c5f6a540e331bdc9370863542d9.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2820
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\8a3d0e96ab670914b932cdd86254db25e5e45c5f6a540e331bdc9370863542d9.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype.exe'
      2⤵
      • Drops startup file
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2884
    • C:\Users\Admin\AppData\Local\Temp\8a3d0e96ab670914b932cdd86254db25e5e45c5f6a540e331bdc9370863542d9.exe
      "C:\Users\Admin\AppData\Local\Temp\8a3d0e96ab670914b932cdd86254db25e5e45c5f6a540e331bdc9370863542d9.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2640 -s 1096
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:1704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\8a3d0e96ab670914b932cdd86254db25e5e45c5f6a540e331bdc9370863542d9.exe

    Filesize

    491KB

    MD5

    1aa85e7264a5b41dea1dc1347c21c6e4

    SHA1

    0673529b1f6635f1d6bf652f78bd95b615a7fc62

    SHA256

    8a3d0e96ab670914b932cdd86254db25e5e45c5f6a540e331bdc9370863542d9

    SHA512

    05e126fd810007191ddf41aaf85ae521d2d0303fe26a56aff82c420238beb329b40436252873f970038144a239d44d8c29b428dda09835ba1341d6b6b1e0fa62

  • memory/2640-15-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2640-17-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2640-18-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2640-20-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2640-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2640-24-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2640-27-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2640-29-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2820-13-0x0000000000410000-0x0000000000418000-memory.dmp

    Filesize

    32KB

  • memory/2820-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

    Filesize

    4KB

  • memory/2820-12-0x0000000000760000-0x00000000007A0000-memory.dmp

    Filesize

    256KB

  • memory/2820-2-0x0000000000710000-0x0000000000764000-memory.dmp

    Filesize

    336KB

  • memory/2820-1-0x0000000000F70000-0x0000000000FF2000-memory.dmp

    Filesize

    520KB

  • memory/2884-11-0x0000000070240000-0x00000000707EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2884-9-0x0000000070240000-0x00000000707EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2884-8-0x0000000070240000-0x00000000707EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2884-7-0x0000000070240000-0x00000000707EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2884-6-0x0000000070240000-0x00000000707EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2884-5-0x0000000070241000-0x0000000070242000-memory.dmp

    Filesize

    4KB