Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-07-2024 07:52

General

  • Target

    5b0db0b46dd8bb01d245802b62172ed9_JaffaCakes118.exe

  • Size

    270KB

  • MD5

    5b0db0b46dd8bb01d245802b62172ed9

  • SHA1

    238211f37041dd4e8090b594c5d93eb7509ebe48

  • SHA256

    1f114a13ebe6d7ef8e45540482f01632f27f2a618e3c09dd337df955de331f64

  • SHA512

    c8504a5f5a037075cf4b0c76551d014baa205edbe8cea1dd5899a361110ce3adb3e802542968e3bc032b5e827ec0294a0f96e545ea048f052c3343f948319059

  • SSDEEP

    6144:NG377xS2Vp2CeiorXdwTBgWx4v53HpcCJJvHS:wr7xS2Vp6RwTyC2bJJvHS

Malware Config

Extracted

Family

latentbot

C2

arciajacinto.zapto.org

Signatures

  • LatentBot

    Modular trojan written in Delphi which has been in-the-wild since 2013.

  • 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\5b0db0b46dd8bb01d245802b62172ed9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5b0db0b46dd8bb01d245802b62172ed9_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:4056
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\5b0db0b46dd8bb01d245802b62172ed9_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:4356
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    0545bd70066de4b352ed055275aa0813

    SHA1

    97d750f8d3b17ef7270254a5535a947cd1d52944

    SHA256

    f042daa9ab1f4a742185e1938952620fd4dadec2f7c2bf44721d819c77ce478e

    SHA512

    c0fc31006dd004a12d50a447e5fb179a4869b247be2570ddd9e48761595f2da34a92714e88711ff30a84a4dff562748358e3376801cb0da018e1967e71e2937c

  • C:\Windows\mstwain32.exe

    Filesize

    270KB

    MD5

    5b0db0b46dd8bb01d245802b62172ed9

    SHA1

    238211f37041dd4e8090b594c5d93eb7509ebe48

    SHA256

    1f114a13ebe6d7ef8e45540482f01632f27f2a618e3c09dd337df955de331f64

    SHA512

    c8504a5f5a037075cf4b0c76551d014baa205edbe8cea1dd5899a361110ce3adb3e802542968e3bc032b5e827ec0294a0f96e545ea048f052c3343f948319059

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/4056-10-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4056-0-0x0000000002090000-0x0000000002091000-memory.dmp

    Filesize

    4KB

  • memory/4356-32-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4356-38-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4356-25-0x0000000000A30000-0x0000000000A31000-memory.dmp

    Filesize

    4KB

  • memory/4356-26-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4356-28-0x00000000028E0000-0x00000000028EE000-memory.dmp

    Filesize

    56KB

  • memory/4356-27-0x0000000000970000-0x0000000000978000-memory.dmp

    Filesize

    32KB

  • memory/4356-29-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4356-18-0x00000000005E0000-0x00000000005E1000-memory.dmp

    Filesize

    4KB

  • memory/4356-35-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4356-22-0x00000000028E0000-0x00000000028EE000-memory.dmp

    Filesize

    56KB

  • memory/4356-41-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4356-44-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4356-47-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4356-50-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4356-53-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4356-56-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4356-59-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4356-62-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4356-65-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB