Analysis

  • max time kernel
    144s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-09-2024 05:51

General

  • Target

    fdea3091c1ebbcbe1f1c43f90f882215_JaffaCakes118.exe

  • Size

    576KB

  • MD5

    fdea3091c1ebbcbe1f1c43f90f882215

  • SHA1

    a561efd385904ddf2f59ea274cffb65dfc84ce11

  • SHA256

    b9cf4f77f34160debd9b786a0e42cee94624971852e243f491170abf3ea3d83a

  • SHA512

    2d090c42d01eb74f6bc681a8a3222037e87dfc978b1ebbd1a543dc0a5b82a9d8b2a99b8ef2f52a27c4947e64cb45b8b7e0b3923d9b42f020db1a0a8a1431a993

  • SSDEEP

    6144:OzRHnaC6zibwzKrcRHngz9sTrex2hDQf1wm971:OzRHnaChbwPRHngzsrDUWmP

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 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 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 18 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 3 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 3 IoCs
  • Suspicious use of WriteProcessMemory 6 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\fdea3091c1ebbcbe1f1c43f90f882215_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fdea3091c1ebbcbe1f1c43f90f882215_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2836
    • C:\Users\Admin\AppData\Local\Temp\asadfg43rwaef.exe
      "C:\Users\Admin\AppData\Local\Temp\asadfg43rwaef.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • 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:4944
      • C:\Windows\mstwain32.exe
        "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\asadfg43rwaef.exe"
        3⤵
        • 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:3560
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\asadfg43rwaef.exe

    Filesize

    109KB

    MD5

    7921d16c8a533204b32f0091afc25e3b

    SHA1

    ea272dd7d3e3a48327394e9c8d2d2e1b9f10c63b

    SHA256

    70937f9bbfddd136d157ecc87b70a629fcee28613edf14dda765adf547b753d6

    SHA512

    edf785660e118364370f4b354e736210032591200908524e668abe6c2bc7ec4b62efb6db6e98045d2636d85811a330cb1f61e0543b2058c022d51d7264ce476e

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    e467bd6242926682d08d0d881bdf9f19

    SHA1

    57a590bbbfd9496db40df046804e1488f80bbdfe

    SHA256

    ab4477e8939eec0773fdb4b4c5170570145cc244958ab2f4a520e5c5e14b896d

    SHA512

    8e20e394b4ad85d740a0e693b3cd16f5312a74550106aa06dce5fd58d0ec06d900c64d6b1973096cf969a48c07e2202265177ed551db113c8305775af1818132

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/3560-42-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3560-48-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3560-31-0x0000000000820000-0x0000000000821000-memory.dmp

    Filesize

    4KB

  • memory/3560-78-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3560-35-0x0000000002260000-0x000000000226E000-memory.dmp

    Filesize

    56KB

  • memory/3560-38-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3560-39-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3560-40-0x0000000000830000-0x0000000000838000-memory.dmp

    Filesize

    32KB

  • memory/3560-41-0x0000000002260000-0x000000000226E000-memory.dmp

    Filesize

    56KB

  • memory/3560-75-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3560-45-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3560-72-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3560-51-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3560-54-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3560-57-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3560-60-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3560-63-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3560-66-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3560-69-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/4944-23-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/4944-10-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/4944-21-0x0000000000A60000-0x0000000000A61000-memory.dmp

    Filesize

    4KB