Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-05-2024 13:52

General

  • Target

    1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe

  • Size

    274KB

  • MD5

    1cccfd3f39c93723923010dd9a9770ec

  • SHA1

    6ee38483a40755644e151b77161ba5f25389d6de

  • SHA256

    263395ea613f77e2632304baacad0f464f47a38eb88f1c3884fab91f3ec9fa3c

  • SHA512

    a1bc687b1022fcdf583c0b595f7e42fc8b92901076546893036b91f9f763c96da492cc8830b1ec633fe72355e01b17587f7bc3c055417e82296fd342147b0950

  • SSDEEP

    6144:KGyjnBSkuV1d4eZd88ORJIf/wTB4b53Vpc:ZYnBSkuVUeZdYqwTc

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).

  • 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\1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_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:1368
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_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
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:1492
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    32KB

    MD5

    f39690b9351cfe6d4264efc0d9039dcf

    SHA1

    82e4808c635a9bfda88102d87379e2d16927f11c

    SHA256

    681d3afa7d42376d7f8c22da43dceb53cb7b3060181c431a7f49b55bdcef2c42

    SHA512

    44b97e001a4cb61217a0f8731a1cf6ad00ebc5e8cb6bc865b28e04fa17ec0f4b6fb8215eb1f2c3b91514f2042bb01e23651a4dafc9f6d12f8119f632a26e86b2

  • C:\Windows\mstwain32.exe

    Filesize

    274KB

    MD5

    1cccfd3f39c93723923010dd9a9770ec

    SHA1

    6ee38483a40755644e151b77161ba5f25389d6de

    SHA256

    263395ea613f77e2632304baacad0f464f47a38eb88f1c3884fab91f3ec9fa3c

    SHA512

    a1bc687b1022fcdf583c0b595f7e42fc8b92901076546893036b91f9f763c96da492cc8830b1ec633fe72355e01b17587f7bc3c055417e82296fd342147b0950

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/1368-12-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1368-0-0x0000000000620000-0x0000000000621000-memory.dmp

    Filesize

    4KB

  • memory/1492-34-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1492-40-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1492-27-0x0000000002480000-0x0000000002481000-memory.dmp

    Filesize

    4KB

  • memory/1492-28-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1492-30-0x0000000002490000-0x000000000249E000-memory.dmp

    Filesize

    56KB

  • memory/1492-29-0x0000000000970000-0x0000000000978000-memory.dmp

    Filesize

    32KB

  • memory/1492-31-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1492-20-0x0000000000920000-0x0000000000921000-memory.dmp

    Filesize

    4KB

  • memory/1492-37-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1492-24-0x0000000002490000-0x000000000249E000-memory.dmp

    Filesize

    56KB

  • memory/1492-43-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1492-46-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1492-49-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1492-52-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1492-55-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1492-58-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1492-61-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1492-64-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1492-67-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB