Resubmissions

06-05-2024 16:38

240506-t5chnsde69 10

06-05-2024 16:25

240506-txd2jadc59 10

Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-05-2024 16:25

General

  • Target

    1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exe

  • Size

    270KB

  • MD5

    1d5e6f06b05e39f726439c058ff11ebf

  • SHA1

    5a6f3293d1980a7220ec3c264f4c87e5f5c4ba4f

  • SHA256

    70668c180217f0354ad3da0b852948423b4217cbc8f3cffb986430bd5e5d910c

  • SHA512

    f2ec95c96315d687cf8db05e1cf360e77e6bb84659e19ea5029b51d6ec6814b8aafe6e3deadb9bd0fc332b0794283d1f650494cec79dd4f7a4f2f8e3f4e4c1f0

  • SSDEEP

    6144:KG377xS2Vp2CeiorXhwTBOz53QpcCJJvH:Zr7xS2Vp6FwT/bJJvH

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\1d5e6f06b05e39f726439c058ff11ebf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1d5e6f06b05e39f726439c058ff11ebf_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:4200
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\1d5e6f06b05e39f726439c058ff11ebf_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:2736
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    8487712c028dabaa68ac525b18561443

    SHA1

    ba264866badd556380bd3dd954feec03a9a5203c

    SHA256

    fe829e5b09cf72699ddc93223d03811f9ffa7a8c56efa8aaf125b59e2c048792

    SHA512

    99b213176ecfac4f427268a19762e8d19e427e4857bc951b28ce3fd82f6b05459cb4add95e11a97c7278a45702b1dce36c03db4a1a28a64c0bb0a0b52b9fda75

  • C:\Windows\mstwain32.exe

    Filesize

    270KB

    MD5

    1d5e6f06b05e39f726439c058ff11ebf

    SHA1

    5a6f3293d1980a7220ec3c264f4c87e5f5c4ba4f

    SHA256

    70668c180217f0354ad3da0b852948423b4217cbc8f3cffb986430bd5e5d910c

    SHA512

    f2ec95c96315d687cf8db05e1cf360e77e6bb84659e19ea5029b51d6ec6814b8aafe6e3deadb9bd0fc332b0794283d1f650494cec79dd4f7a4f2f8e3f4e4c1f0

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/2736-32-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2736-38-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2736-65-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2736-22-0x0000000002A20000-0x0000000002A2E000-memory.dmp

    Filesize

    56KB

  • memory/2736-25-0x00000000028D0000-0x00000000028D1000-memory.dmp

    Filesize

    4KB

  • memory/2736-26-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2736-28-0x0000000002A20000-0x0000000002A2E000-memory.dmp

    Filesize

    56KB

  • memory/2736-27-0x0000000002130000-0x0000000002138000-memory.dmp

    Filesize

    32KB

  • memory/2736-29-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2736-62-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2736-35-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2736-18-0x00000000020D0000-0x00000000020D1000-memory.dmp

    Filesize

    4KB

  • memory/2736-41-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2736-44-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2736-47-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2736-50-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2736-53-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2736-56-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2736-59-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/4200-0-0x00000000021D0000-0x00000000021D1000-memory.dmp

    Filesize

    4KB

  • memory/4200-10-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB