Analysis

  • max time kernel
    143s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 06:33

General

  • Target

    28bb49f631945369f436b1ba38f8833d_JaffaCakes118.exe

  • Size

    270KB

  • MD5

    28bb49f631945369f436b1ba38f8833d

  • SHA1

    b68e28aae33cbc48a7795b85ad5ae30ffc984b64

  • SHA256

    f22746491359bd806f2bddd36be6b09b0b64344d1b318ec1aad4132f3f62344e

  • SHA512

    db2351386d4e983276b8416ccb9aa8fe860667ee89a71d52271d24a4ce2b72bf0dabc36686e86452036f91d47cb34dde7c489d1e8a169c515e394cef7a63fa1b

  • SSDEEP

    6144:KG377xS2Vp2CeiorXhwTBOz53IpcCJJvH:Zr7xS2Vp6FwTnbJJvH

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).

  • 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\28bb49f631945369f436b1ba38f8833d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\28bb49f631945369f436b1ba38f8833d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1572
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      2⤵
      • UAC bypass
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:2140
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    7c3ff4d4d394fde7c693d04c488a55f8

    SHA1

    ae2b2acc7e91a910f9075e0e095b528e97827ba4

    SHA256

    4878bf71fd37ffac1fd6f5153357298544d0ef1f3a114c1f0451befcb85c59a8

    SHA512

    33c601d9e706cff0c3dce8280b040c361aa51004fd20b51946469b6a02453def5a7aad1e5f58bec3435cc6e25470155d07f71dc0f81ec642efc53215d7be316a

  • C:\Windows\mstwain32.exe

    Filesize

    270KB

    MD5

    28bb49f631945369f436b1ba38f8833d

    SHA1

    b68e28aae33cbc48a7795b85ad5ae30ffc984b64

    SHA256

    f22746491359bd806f2bddd36be6b09b0b64344d1b318ec1aad4132f3f62344e

    SHA512

    db2351386d4e983276b8416ccb9aa8fe860667ee89a71d52271d24a4ce2b72bf0dabc36686e86452036f91d47cb34dde7c489d1e8a169c515e394cef7a63fa1b

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/1572-10-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1572-9-0x00000000005E0000-0x00000000005E1000-memory.dmp

    Filesize

    4KB

  • memory/2140-32-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2140-38-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2140-25-0x0000000002250000-0x0000000002251000-memory.dmp

    Filesize

    4KB

  • memory/2140-26-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2140-28-0x0000000002260000-0x000000000226E000-memory.dmp

    Filesize

    56KB

  • memory/2140-27-0x0000000002120000-0x0000000002128000-memory.dmp

    Filesize

    32KB

  • memory/2140-29-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2140-18-0x00000000006F0000-0x00000000006F1000-memory.dmp

    Filesize

    4KB

  • memory/2140-35-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2140-22-0x0000000002260000-0x000000000226E000-memory.dmp

    Filesize

    56KB

  • memory/2140-41-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2140-44-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2140-47-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2140-50-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2140-53-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2140-56-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2140-59-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2140-62-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2140-65-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB