Analysis

  • max time kernel
    175s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 00:34

General

  • Target

    29c57fc54ee37bc7d88c15b49256425aad78deec0b4f2623663a598f56c47e14.exe

  • Size

    490KB

  • MD5

    04fcc0dd7e3f251d2e914f1fe4c2cc10

  • SHA1

    13e3970173c1f8ba8b27b47a628f653fcb3e85a7

  • SHA256

    29c57fc54ee37bc7d88c15b49256425aad78deec0b4f2623663a598f56c47e14

  • SHA512

    65c7ea4441238f8afd15bd8b836fea6498b3ee9aefa458194b9e28f71d076cbcf6df03fce87226944bd5e461612d6d5843aeb3627c7a31de2aafe40bf02382cf

  • SSDEEP

    6144:AN6OxLfPcvgKV9Mo2b0XXuj09nl+D9HiuFA95FkW3lhwyjenNpb4d48NDao+nDpz:ARzKPMoFXuRncJO

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\29c57fc54ee37bc7d88c15b49256425aad78deec0b4f2623663a598f56c47e14.exe
    "C:\Users\Admin\AppData\Local\Temp\29c57fc54ee37bc7d88c15b49256425aad78deec0b4f2623663a598f56c47e14.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3344
    • C:\Documents and Settings\tazebama.dl_
      "C:\Documents and Settings\tazebama.dl_"
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      PID:2232
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 728
        3⤵
        • Program crash
        PID:5016
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2232 -ip 2232
    1⤵
      PID:4200

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Replication Through Removable Media

    1
    T1091

    Persistence

    Hidden Files and Directories

    1
    T1158

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Hidden Files and Directories

    1
    T1158

    Modify Registry

    2
    T1112

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Lateral Movement

    Replication Through Removable Media

    1
    T1091

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Documents and Settings\tazebama.dl_
      Filesize

      151KB

      MD5

      655ffda21cdbbe884aea27a344cd9349

      SHA1

      56900feedecbafe02d3ab1cda016e54b00384414

      SHA256

      c0775bd0f8eeaa0aee704dccb63130719a463c6bdb7b8389b92a1e9ff3787ea5

      SHA512

      e563358fec088b51736b66149505953eab64ac863c754b12895949b967fa30ae0a1c2fe98427bbc63d219ababd4188e454e9e61d4e835979be73382b9b4101f1

    • C:\Users\tazebama.dl_
      Filesize

      151KB

      MD5

      655ffda21cdbbe884aea27a344cd9349

      SHA1

      56900feedecbafe02d3ab1cda016e54b00384414

      SHA256

      c0775bd0f8eeaa0aee704dccb63130719a463c6bdb7b8389b92a1e9ff3787ea5

      SHA512

      e563358fec088b51736b66149505953eab64ac863c754b12895949b967fa30ae0a1c2fe98427bbc63d219ababd4188e454e9e61d4e835979be73382b9b4101f1

    • C:\Users\tazebama.dll
      Filesize

      32KB

      MD5

      b6a03576e595afacb37ada2f1d5a0529

      SHA1

      d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8

      SHA256

      1707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad

      SHA512

      181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c

    • memory/2232-134-0x0000000000000000-mapping.dmp
    • memory/2232-137-0x0000000000400000-0x0000000000417000-memory.dmp
      Filesize

      92KB

    • memory/3344-132-0x0000000000400000-0x0000000000453000-memory.dmp
      Filesize

      332KB

    • memory/3344-138-0x0000000000400000-0x0000000000453000-memory.dmp
      Filesize

      332KB

    • memory/3344-139-0x0000000000400000-0x0000000000453000-memory.dmp
      Filesize

      332KB