Resubmissions

24/11/2022, 20:56

221124-zq55bshe78 10

24/11/2022, 20:52

221124-zn5qsace3t 8

Analysis

  • max time kernel
    107s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24/11/2022, 20:52

General

  • Target

    11d284da38a3e8a66b68d6d80dcb6d307f8c8fc263ef460e7860fdad4fc76f20.exe

  • Size

    2.3MB

  • MD5

    060eb923702159f7e6c52e7cc1ccb806

  • SHA1

    01dd985cc05a78a34708168a0a3c679b26992177

  • SHA256

    11d284da38a3e8a66b68d6d80dcb6d307f8c8fc263ef460e7860fdad4fc76f20

  • SHA512

    306f8adea85d0dbe3df9b76c620fbd70dd4e1ba7ec8cacad4c2564f89be8e893c09e995304fca54da43c60da8697106463607d674b3f1d32d2dec1922b7f52f1

  • SSDEEP

    49152:PHlfU0WtYPWn0mWZhjzXbJKMXKL1i9kjpPSaodI8WHVakO4mVSb+KuGLU:PN5ktELIBlPSpWROv/Ke

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\11d284da38a3e8a66b68d6d80dcb6d307f8c8fc263ef460e7860fdad4fc76f20.exe
    "C:\Users\Admin\AppData\Local\Temp\11d284da38a3e8a66b68d6d80dcb6d307f8c8fc263ef460e7860fdad4fc76f20.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\ProgramData\Decoder.exe
      "C:\ProgramData\Decoder.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1820
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\.cmd""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1804
      • C:\Windows\SysWOW64\timeout.exe
        timeout 4
        3⤵
        • Delays execution with timeout.exe
        PID:1068

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\Decoder.exe

    Filesize

    490KB

    MD5

    c29c0d495ed13e703f433d53bdffdab8

    SHA1

    74ed36e6b6027b61abcfe2956670ffd9de7fd71a

    SHA256

    20309707aa6fc678963aace7685a37839d439c850b1ba399bdbfbbeddc10ed4b

    SHA512

    fea4c1066ee6df3ebb29a354678a3d0f1398cd216b92b261296fcff580b00e19cefe24d975beebcc41854cceef3df2702d569811358dae4203a924fb52cf5426

  • C:\Users\Admin\AppData\Local\Temp\.cmd

    Filesize

    28B

    MD5

    217407484aac2673214337def8886072

    SHA1

    0f8c4c94064ce1f7538c43987feb5bb2d7fec0c6

    SHA256

    467c28ed423f513128575b1c8c6674ee5671096ff1b14bc4c32deebd89fc1797

    SHA512

    8466383a1cb71ea8b049548fd5a41aaf01c0423743b886cd3cb5007f66bff87d8d5cfa67344451f4490c8f26e4ebf9e306075d5cfc655dc62f0813a456cf1330

  • \ProgramData\Decoder.exe

    Filesize

    490KB

    MD5

    c29c0d495ed13e703f433d53bdffdab8

    SHA1

    74ed36e6b6027b61abcfe2956670ffd9de7fd71a

    SHA256

    20309707aa6fc678963aace7685a37839d439c850b1ba399bdbfbbeddc10ed4b

    SHA512

    fea4c1066ee6df3ebb29a354678a3d0f1398cd216b92b261296fcff580b00e19cefe24d975beebcc41854cceef3df2702d569811358dae4203a924fb52cf5426

  • memory/1820-63-0x0000000004890000-0x000000000492C000-memory.dmp

    Filesize

    624KB

  • memory/1820-66-0x00000000046F0000-0x000000000478A000-memory.dmp

    Filesize

    616KB

  • memory/2008-54-0x0000000075B11000-0x0000000075B13000-memory.dmp

    Filesize

    8KB

  • memory/2008-58-0x0000000000FD0000-0x00000000014B8000-memory.dmp

    Filesize

    4.9MB

  • memory/2008-57-0x0000000005490000-0x0000000005506000-memory.dmp

    Filesize

    472KB

  • memory/2008-65-0x0000000000FD0000-0x00000000014B8000-memory.dmp

    Filesize

    4.9MB

  • memory/2008-56-0x0000000000FD0000-0x00000000014B8000-memory.dmp

    Filesize

    4.9MB

  • memory/2008-55-0x0000000000FD0000-0x00000000014B8000-memory.dmp

    Filesize

    4.9MB