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Analysis

  • max time kernel
    143s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2024, 22:05

General

  • Target

    f0b39233b4eb56e39cc14b2f2261ec4a_JaffaCakes118.exe

  • Size

    270KB

  • MD5

    f0b39233b4eb56e39cc14b2f2261ec4a

  • SHA1

    b95224172693c91eb60518c14f15f169cf3fb245

  • SHA256

    fbb9cc9e48f537962d3b804efcae3efc1c0d4b1a24692ba095f2453c841d3a94

  • SHA512

    8403a8c67ed1a84089e6f790c3c548ff595f138a83ab64fc2861be33a2992c74b7fb3bb1b7079c90712cbb266a8b929de1cb49b539b2d556ade4b1469ccc5a26

  • SSDEEP

    6144:KG377xS2Vp2CeiorXhwTBOz53fpcCJJvH:Zr7xS2Vp6FwTYbJJvH

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • UAC bypass 3 TTPs 1 IoCs
  • ModiLoader Second Stage 16 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\f0b39233b4eb56e39cc14b2f2261ec4a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f0b39233b4eb56e39cc14b2f2261ec4a_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4716
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f0b39233b4eb56e39cc14b2f2261ec4a_JaffaCakes118.exe"
      2⤵
      • UAC bypass
      • Deletes itself
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:740
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    b6ec71709043c11976a8386ce010acc7

    SHA1

    099de3cf69a735718b21607626e9c4e47730c8f3

    SHA256

    d1318e719c1f28affeb57e74c9509fd151fc078d4982b0c8269ac195e4a83b1b

    SHA512

    21fb0d3861690318923d3a8bac00906dd77a8523b926181cd37aa77a9ace01da3647985255c0e86d6c42d78a1243b4e5b5f5487dde8bd928adb63b5c5e71b9bf

  • C:\Windows\mstwain32.exe

    Filesize

    270KB

    MD5

    f0b39233b4eb56e39cc14b2f2261ec4a

    SHA1

    b95224172693c91eb60518c14f15f169cf3fb245

    SHA256

    fbb9cc9e48f537962d3b804efcae3efc1c0d4b1a24692ba095f2453c841d3a94

    SHA512

    8403a8c67ed1a84089e6f790c3c548ff595f138a83ab64fc2861be33a2992c74b7fb3bb1b7079c90712cbb266a8b929de1cb49b539b2d556ade4b1469ccc5a26

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/740-32-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/740-38-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/740-65-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/740-22-0x00000000030E0000-0x00000000030EE000-memory.dmp

    Filesize

    56KB

  • memory/740-25-0x0000000002F90000-0x0000000002F91000-memory.dmp

    Filesize

    4KB

  • memory/740-26-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/740-27-0x00000000020E0000-0x00000000020E8000-memory.dmp

    Filesize

    32KB

  • memory/740-28-0x00000000030E0000-0x00000000030EE000-memory.dmp

    Filesize

    56KB

  • memory/740-29-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/740-62-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/740-35-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/740-18-0x0000000000820000-0x0000000000821000-memory.dmp

    Filesize

    4KB

  • memory/740-41-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/740-44-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/740-47-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/740-50-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/740-53-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/740-56-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/740-59-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4716-8-0x00000000005E0000-0x00000000005E1000-memory.dmp

    Filesize

    4KB

  • memory/4716-10-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB