Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-09-2024 13:30

General

  • Target

    f21d68148deff93a17a339c28c8eca38_JaffaCakes118.exe

  • Size

    288KB

  • MD5

    f21d68148deff93a17a339c28c8eca38

  • SHA1

    49cc7ac4d643340db8eca92ba1959987d2fd874c

  • SHA256

    e9f3533696cedee49be4dcbcffea540f3462c780923f424f26736a9bc8962365

  • SHA512

    3765760f36dd9804aceda46c9ff1c1a3b748b729034db00e7671248d40ff0b3a45b044cca6d8bad7ca657cb13eaac1eb3d7f5913aea6e92403819f9af3132222

  • SSDEEP

    3072:+8n5i7vlWw+IgDGD7m//iTnqpdH9kDv+p89aR4igbkgmZNTBfD7Bvg+d+3Np54:J5i7vs2MS7mirpKp8aDglSNTB3fSf54

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\f21d68148deff93a17a339c28c8eca38_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f21d68148deff93a17a339c28c8eca38_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:2120
    • C:\Windows\msngsr.exe
      "C:\Windows\msngsr.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:5004
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\msngsr.exe

    Filesize

    288KB

    MD5

    f21d68148deff93a17a339c28c8eca38

    SHA1

    49cc7ac4d643340db8eca92ba1959987d2fd874c

    SHA256

    e9f3533696cedee49be4dcbcffea540f3462c780923f424f26736a9bc8962365

    SHA512

    3765760f36dd9804aceda46c9ff1c1a3b748b729034db00e7671248d40ff0b3a45b044cca6d8bad7ca657cb13eaac1eb3d7f5913aea6e92403819f9af3132222

  • C:\Windows\olecstp.dll

    Filesize

    7KB

    MD5

    d667884e3938200ecbcda4aeb2a087ba

    SHA1

    1e34726204fd71edb5d8f1d22c63c67224feac6b

    SHA256

    42255943c850e10bab5900e3c9ebbf0da4ac1632dce4733e5e22fae3020d4d58

    SHA512

    3ed6ca048988e2e7e0dda5e31cbb116c43d007eab4428c1f94d0497bf8297606c65dd85ac148846a701a5695a89e69f64a058f4c8fe7f94de8661e1ecf7a9a85

  • C:\Windows\oletac.dll

    Filesize

    32KB

    MD5

    d5b11c8111a08adf5dcbc38d82b4b0d6

    SHA1

    718e80f3fdaf46df7b426fa915e8da41c6a891cb

    SHA256

    e0c14cee17036c09b108c3e5763b51c56c7a5cd8050b55dcb2e80f5f7d80c769

    SHA512

    7e4a3903f6fd356cb23c9fd5d28a75586a59d0c1a27a402a8ed52d1d8ac9de989767272d1eb263049df7d45a02526a241223d38e55cd03f12c11be56387a00c9

  • memory/2120-12-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2120-0-0x00000000021C0000-0x00000000021C1000-memory.dmp

    Filesize

    4KB

  • memory/5004-37-0x0000000002140000-0x0000000002148000-memory.dmp

    Filesize

    32KB

  • memory/5004-48-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/5004-28-0x0000000003460000-0x0000000003461000-memory.dmp

    Filesize

    4KB

  • memory/5004-29-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/5004-30-0x0000000002140000-0x0000000002148000-memory.dmp

    Filesize

    32KB

  • memory/5004-31-0x00000000035B0000-0x00000000035BE000-memory.dmp

    Filesize

    56KB

  • memory/5004-33-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/5004-20-0x00000000020C0000-0x00000000020C1000-memory.dmp

    Filesize

    4KB

  • memory/5004-36-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/5004-40-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/5004-43-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/5004-25-0x00000000035B0000-0x00000000035BE000-memory.dmp

    Filesize

    56KB

  • memory/5004-51-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/5004-55-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/5004-58-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/5004-61-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/5004-65-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/5004-68-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/5004-72-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/5004-76-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/5004-77-0x0000000002140000-0x0000000002148000-memory.dmp

    Filesize

    32KB