Analysis

  • max time kernel
    142s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 04:21

General

  • Target

    1f6dd8abec7ed164e5663c9324f68839_JaffaCakes118.exe

  • Size

    270KB

  • MD5

    1f6dd8abec7ed164e5663c9324f68839

  • SHA1

    1c0fa8ed470522a45c9b06e1a614d7cf877ee1a9

  • SHA256

    b902253ab20c158fbec990c5335d1609a2f467ccc74fa40ab91b6f36cd126a2c

  • SHA512

    36c8b92dc77caa00ea961ce2b806e35db3d9157a86ed62fa857489800130f2120aea14d686481520639cc3633104dba142e03aad67e27316f69173d911435e13

  • SSDEEP

    6144:KG377xS2Vp2CeiorXhwTBOz53VpcCJJvH:Zr7xS2Vp6FwTObJJvH

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\1f6dd8abec7ed164e5663c9324f68839_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1f6dd8abec7ed164e5663c9324f68839_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:1056
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\1f6dd8abec7ed164e5663c9324f68839_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:2648
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    c3db761f339e38c7f3fbf9693fec7f46

    SHA1

    77d91c8cd2bd9284c63f6b03673a013c7d4b12f1

    SHA256

    a87a2ca3d6499981f0767c9459d773d658c85f852ea811f5a1374dcab17d3d12

    SHA512

    e4b03052cef0b0e749bd78297fdfee86390fcf1bd84e552538a94401b515fe7fc4881dc3ac8024847ff007aa90a9f74413bb653f7bf37ddd40dc109640652bbe

  • C:\Windows\mstwain32.exe

    Filesize

    270KB

    MD5

    1f6dd8abec7ed164e5663c9324f68839

    SHA1

    1c0fa8ed470522a45c9b06e1a614d7cf877ee1a9

    SHA256

    b902253ab20c158fbec990c5335d1609a2f467ccc74fa40ab91b6f36cd126a2c

    SHA512

    36c8b92dc77caa00ea961ce2b806e35db3d9157a86ed62fa857489800130f2120aea14d686481520639cc3633104dba142e03aad67e27316f69173d911435e13

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/1056-10-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1056-9-0x0000000000550000-0x0000000000551000-memory.dmp

    Filesize

    4KB

  • memory/2648-32-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2648-38-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2648-25-0x0000000002490000-0x0000000002491000-memory.dmp

    Filesize

    4KB

  • memory/2648-26-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2648-28-0x00000000024E0000-0x00000000024EE000-memory.dmp

    Filesize

    56KB

  • memory/2648-27-0x0000000000870000-0x0000000000878000-memory.dmp

    Filesize

    32KB

  • memory/2648-29-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2648-18-0x0000000000820000-0x0000000000821000-memory.dmp

    Filesize

    4KB

  • memory/2648-35-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2648-22-0x00000000024E0000-0x00000000024EE000-memory.dmp

    Filesize

    56KB

  • memory/2648-41-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2648-44-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2648-47-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2648-50-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2648-53-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2648-56-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2648-59-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2648-62-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2648-65-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB