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
    20-09-2024 21:09

General

  • Target

    ee6dd3e734fd3984fe06f36c1d899c8a_JaffaCakes118.exe

  • Size

    312KB

  • MD5

    ee6dd3e734fd3984fe06f36c1d899c8a

  • SHA1

    b2112136ca92dd45ac51b4155f8a82bb629f91ad

  • SHA256

    9646eb19397ed3bf1db4a9ba674ffb9a8373efdc1d4d3f043daa3c82e1daadca

  • SHA512

    92d68a81db1d798ff1a05ab152c35701dd8d289412cace29c52938c2b3fcfc69df6763aa062333d73e7d0752671001106627a3193fa115687aa87420a1c88b30

  • SSDEEP

    6144:HG377xS2Vp2CeiorXhwTBN536pcCJJvHX1oS:mr7xS2Vp6FwTQbJJvHloS

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 4 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
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\ee6dd3e734fd3984fe06f36c1d899c8a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ee6dd3e734fd3984fe06f36c1d899c8a_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:2180
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:2536
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    7a407316335ce07efbbe72a2cac5bcaf

    SHA1

    694e601de52e514df30bb1d86de644fca4b7f4ff

    SHA256

    903cd78449bf2a75c9a5070c5ddc07eae6eb34dc431a48d943c910b948088ee1

    SHA512

    9231159796519a0150126745d8ea5beccc517c2e4bf84dfae5fbb3700e118924ef8e41b3bb1b7fd29ff08c7b401fa4cddd35889b7bcb6dcc60c3629aabe661cb

  • C:\Windows\mstwain32.exe

    Filesize

    312KB

    MD5

    ee6dd3e734fd3984fe06f36c1d899c8a

    SHA1

    b2112136ca92dd45ac51b4155f8a82bb629f91ad

    SHA256

    9646eb19397ed3bf1db4a9ba674ffb9a8373efdc1d4d3f043daa3c82e1daadca

    SHA512

    92d68a81db1d798ff1a05ab152c35701dd8d289412cace29c52938c2b3fcfc69df6763aa062333d73e7d0752671001106627a3193fa115687aa87420a1c88b30

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/2180-0-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2180-8-0x0000000000A20000-0x0000000000A21000-memory.dmp

    Filesize

    4KB

  • memory/2180-11-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2536-19-0x00000000004C0000-0x00000000004C1000-memory.dmp

    Filesize

    4KB

  • memory/2536-23-0x0000000002260000-0x000000000226E000-memory.dmp

    Filesize

    56KB

  • memory/2536-26-0x0000000002250000-0x0000000002251000-memory.dmp

    Filesize

    4KB

  • memory/2536-27-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/2536-28-0x00000000005B0000-0x00000000005B8000-memory.dmp

    Filesize

    32KB

  • memory/2536-29-0x0000000002260000-0x000000000226E000-memory.dmp

    Filesize

    56KB