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Analysis

  • max time kernel
    95s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/09/2024, 05:30

General

  • Target

    997a5c705e9f2761962ac35ebcdd88a0N.exe

  • Size

    1.1MB

  • MD5

    997a5c705e9f2761962ac35ebcdd88a0

  • SHA1

    ab637b8c25b4e5677a9eb89c2d649400ff1314fe

  • SHA256

    b2ee5bd5b0e3cc0f9309ff42323f66f638542301d33beefa600a23a90ed94801

  • SHA512

    719a9c6406e5f598af03c543bd63dedae2e6e11478419c515fe251f9c2729e29ee9a0e0283e0bd959c6af7b23b81bcf7ff67b935583ff38798df533c8e3f1430

  • SSDEEP

    24576:Sq5TfcdHj4fmbo2q40MmV0VMXfGqcnUsG0Eh3lWaUnfnnO/sWv5:SUTsamsxw3nhwlonnO/l

Malware Config

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • RevengeRat Executable 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\997a5c705e9f2761962ac35ebcdd88a0N.exe
    "C:\Users\Admin\AppData\Local\Temp\997a5c705e9f2761962ac35ebcdd88a0N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4072
    • C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe
      "C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54424000 -chipde -3d028f571a294c49bf4fc1a757ae8e8c - -BLUB2 -mauixztajqghjdko -4072
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:5048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe

    Filesize

    375KB

    MD5

    a00dc5a8831c076ff536b072415fcee3

    SHA1

    47b19ab97028d8925579bed54efee88c8107d6b6

    SHA256

    c9d8f7c9bcfa4758e17808dd79673ac10c22f37ccd37549543b16028b43dfe79

    SHA512

    642dbe332ab25ef7e3dfb9e29ca545312c339efa373f1a8da16686e26eda6c0219526b82989c65ead6a74e9ecbe9eca0de0283129832dd59394969c4b2886a4b

  • C:\Users\Admin\AppData\Local\Temp\DMR\mauixztajqghjdko.dat

    Filesize

    163B

    MD5

    f2f3ab77e7330e37810228d664104210

    SHA1

    4fa79cc5a9b61484c2fbdc0bd2b08a031a17eec7

    SHA256

    3bccb8c3f6cac6b52fb2e92e8b8e52e7e795dc9130b263293aca08dace98f1e4

    SHA512

    0d143246ee4031e67ab69e25591a86f8bdead99564d4dba72a59cfa5fda5c3ea74691b394e71277e27378c53cba8786481ccb35bb268309ab3d1f8ded7c13713

  • memory/4072-0-0x0000000000760000-0x00000000009D8000-memory.dmp

    Filesize

    2.5MB

  • memory/4072-20-0x0000000000760000-0x00000000009D8000-memory.dmp

    Filesize

    2.5MB

  • memory/5048-13-0x00007FF9F8BA3000-0x00007FF9F8BA5000-memory.dmp

    Filesize

    8KB

  • memory/5048-14-0x0000000000BA0000-0x0000000000C02000-memory.dmp

    Filesize

    392KB

  • memory/5048-16-0x00007FF9F8BA0000-0x00007FF9F9661000-memory.dmp

    Filesize

    10.8MB

  • memory/5048-17-0x00007FF9F8BA0000-0x00007FF9F9661000-memory.dmp

    Filesize

    10.8MB

  • memory/5048-18-0x00007FF9F8BA0000-0x00007FF9F9661000-memory.dmp

    Filesize

    10.8MB

  • memory/5048-19-0x00007FF9F8BA0000-0x00007FF9F9661000-memory.dmp

    Filesize

    10.8MB

  • memory/5048-22-0x00007FF9F8BA0000-0x00007FF9F9661000-memory.dmp

    Filesize

    10.8MB