Analysis

  • max time kernel
    148s
  • max time network
    154s
  • 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 20:59

General

  • Target

    fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe

  • Size

    310KB

  • MD5

    fd227e5e5f9799009c8083cda973328f

  • SHA1

    7ae40e2f914c11f08b7429b42e2b6033b377f518

  • SHA256

    971c9ff8289a5b4dab6d4bc7f89416828a5292ef26a6e6ae0fabed9d03c4c0bf

  • SHA512

    59fbb4bcab51bbbfb1fbdefba7533a75e80396eecdf33155b5379d64fbaebba9c83ebe5e99fb6848f24c100454b8299994e0d3717131297bfee8c8343c84993b

  • SSDEEP

    6144:1G377xS2Vp2CeiorXhwTBN53LdpcCJJvHq0JoS:Yr7xS2Vp6FwTfbJJvHjJoS

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • UPX packed file 4 IoCs

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

  • 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 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd227e5e5f9799009c8083cda973328f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd227e5e5f9799009c8083cda973328f_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:3528
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      2⤵
      • UAC bypass
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • 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:3032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    d2b20db3f5352befbf6d2a38f3dd8d5c

    SHA1

    25cdc577ac81bca03def5b34916d4ffd81444604

    SHA256

    ef61b13e879b9ddacff5a073a53640b485951931fc68c6399fa6ffacaa91c5f6

    SHA512

    474a35c11a80f6bfb3718a520b89f8d747f4ac1e0ca9bda66c34a0692e08d8e0d4841c1931035faa4ccebc14fa26dac660331278d4a0696b59d8704092771435

  • C:\Windows\mstwain32.exe

    Filesize

    310KB

    MD5

    fd227e5e5f9799009c8083cda973328f

    SHA1

    7ae40e2f914c11f08b7429b42e2b6033b377f518

    SHA256

    971c9ff8289a5b4dab6d4bc7f89416828a5292ef26a6e6ae0fabed9d03c4c0bf

    SHA512

    59fbb4bcab51bbbfb1fbdefba7533a75e80396eecdf33155b5379d64fbaebba9c83ebe5e99fb6848f24c100454b8299994e0d3717131297bfee8c8343c84993b

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/3032-19-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/3032-23-0x0000000003220000-0x000000000322E000-memory.dmp

    Filesize

    56KB

  • memory/3032-26-0x00000000030D0000-0x00000000030D1000-memory.dmp

    Filesize

    4KB

  • memory/3032-27-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/3032-28-0x0000000000520000-0x0000000000528000-memory.dmp

    Filesize

    32KB

  • memory/3032-29-0x0000000003220000-0x000000000322E000-memory.dmp

    Filesize

    56KB

  • memory/3528-0-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/3528-1-0x0000000000A20000-0x0000000000A21000-memory.dmp

    Filesize

    4KB

  • memory/3528-11-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB