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Analysis

  • max time kernel
    143s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/09/2024, 04:18

General

  • Target

    fb7d1c076a51b5b38f11de3747b3ec93_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    fb7d1c076a51b5b38f11de3747b3ec93

  • SHA1

    4ff46496372ab5d15d2a0d3ef7345a0d062d973b

  • SHA256

    e0dc9970bcab8579699aefa136f1ffaa1eef1100fe5b5290bd9afee1d0dac07f

  • SHA512

    084d918901454278d1f51e1d0bd8370572191e2205688ae1e02ce49113a681c8adc516b08a3f7a1e1572db6569a68ddf3ba603eb52c1f890a4eb1e5ef34ab95f

  • SSDEEP

    24576:nSiOuvRfZ+JgAj/00weVcTS7RssiRZ+VT:rRf4JD80+RZQT

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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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 FindShellTrayWindow 1 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\fb7d1c076a51b5b38f11de3747b3ec93_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fb7d1c076a51b5b38f11de3747b3ec93_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 FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Windows\mvrsynci.exe
      "C:\Windows\mvrsynci.exe"
      2⤵
      • UAC bypass
      • Executes dropped EXE
      • Loads dropped DLL
      • 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:336
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\bguiv32.dll

    Filesize

    33KB

    MD5

    de7742afca757a91dcb42ff4468d5a08

    SHA1

    5deb946923925d6b5bf35048d3ef8ea956b3826c

    SHA256

    d9e99bd16faffedc7da8916381075f80b89760fd68565ffff67c10febff95659

    SHA512

    b04654a048e3a037c1393833bb4e033046c0fc5f68cfdcad031f7f1e0797e69737b23f418d835b5024bc3e2231341b41e4bfa3eac554a24edeb4ad699a1f56b4

  • C:\Windows\drvstore.dll

    Filesize

    7KB

    MD5

    93bae90d90a7bebcc0167475c3339176

    SHA1

    e2718ed2e45fbeff7a75a5eabae3a8db0c27fda0

    SHA256

    ea2470ec435de4baab58195cbd4ac7866e61eb85d76fa5261f16c2a85e587693

    SHA512

    6f8abc03302a4a66b0ba1e3138873203e129d77a0932b766f55701efa7c3d9ab17f50dc5131d2ffe5ab035e9eb7d4ce055506830df2a5497b849171e30d35500

  • C:\Windows\mvrsynci.exe

    Filesize

    1.3MB

    MD5

    fb7d1c076a51b5b38f11de3747b3ec93

    SHA1

    4ff46496372ab5d15d2a0d3ef7345a0d062d973b

    SHA256

    e0dc9970bcab8579699aefa136f1ffaa1eef1100fe5b5290bd9afee1d0dac07f

    SHA512

    084d918901454278d1f51e1d0bd8370572191e2205688ae1e02ce49113a681c8adc516b08a3f7a1e1572db6569a68ddf3ba603eb52c1f890a4eb1e5ef34ab95f

  • memory/336-35-0x0000000000400000-0x0000000000550000-memory.dmp

    Filesize

    1.3MB

  • memory/336-42-0x0000000000400000-0x0000000000550000-memory.dmp

    Filesize

    1.3MB

  • memory/336-75-0x0000000000400000-0x0000000000550000-memory.dmp

    Filesize

    1.3MB

  • memory/336-24-0x00000000037D0000-0x00000000037DE000-memory.dmp

    Filesize

    56KB

  • memory/336-27-0x0000000002BF0000-0x0000000002BF1000-memory.dmp

    Filesize

    4KB

  • memory/336-30-0x00000000037D0000-0x00000000037DE000-memory.dmp

    Filesize

    56KB

  • memory/336-28-0x0000000000400000-0x0000000000550000-memory.dmp

    Filesize

    1.3MB

  • memory/336-29-0x0000000002490000-0x0000000002498000-memory.dmp

    Filesize

    32KB

  • memory/336-32-0x0000000000400000-0x0000000000550000-memory.dmp

    Filesize

    1.3MB

  • memory/336-71-0x0000000000400000-0x0000000000550000-memory.dmp

    Filesize

    1.3MB

  • memory/336-39-0x0000000000400000-0x0000000000550000-memory.dmp

    Filesize

    1.3MB

  • memory/336-20-0x00000000021C0000-0x00000000021C1000-memory.dmp

    Filesize

    4KB

  • memory/336-47-0x0000000000400000-0x0000000000550000-memory.dmp

    Filesize

    1.3MB

  • memory/336-50-0x0000000000400000-0x0000000000550000-memory.dmp

    Filesize

    1.3MB

  • memory/336-54-0x0000000000400000-0x0000000000550000-memory.dmp

    Filesize

    1.3MB

  • memory/336-57-0x0000000000400000-0x0000000000550000-memory.dmp

    Filesize

    1.3MB

  • memory/336-60-0x0000000000400000-0x0000000000550000-memory.dmp

    Filesize

    1.3MB

  • memory/336-64-0x0000000000400000-0x0000000000550000-memory.dmp

    Filesize

    1.3MB

  • memory/336-67-0x0000000000400000-0x0000000000550000-memory.dmp

    Filesize

    1.3MB

  • memory/2456-0-0x00000000023C0000-0x00000000023C1000-memory.dmp

    Filesize

    4KB

  • memory/2456-11-0x0000000000400000-0x0000000000550000-memory.dmp

    Filesize

    1.3MB