Resubmissions

06-05-2024 16:38

240506-t5chnsde69 10

06-05-2024 16:25

240506-txd2jadc59 10

Analysis

  • max time kernel
    58s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06-05-2024 16:38

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 8 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 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
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 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 whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1276
    • 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
      • 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:860
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\mstwain32.exe

    Filesize

    270KB

    MD5

    1d5e6f06b05e39f726439c058ff11ebf

    SHA1

    5a6f3293d1980a7220ec3c264f4c87e5f5c4ba4f

    SHA256

    70668c180217f0354ad3da0b852948423b4217cbc8f3cffb986430bd5e5d910c

    SHA512

    f2ec95c96315d687cf8db05e1cf360e77e6bb84659e19ea5029b51d6ec6814b8aafe6e3deadb9bd0fc332b0794283d1f650494cec79dd4f7a4f2f8e3f4e4c1f0

  • memory/860-19-0x0000000000380000-0x0000000000388000-memory.dmp

    Filesize

    32KB

  • memory/860-18-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/860-13-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/860-14-0x0000000001D00000-0x0000000001D0E000-memory.dmp

    Filesize

    56KB

  • memory/860-16-0x00000000753C0000-0x00000000753C1000-memory.dmp

    Filesize

    4KB

  • memory/860-17-0x00000000753B0000-0x00000000754A0000-memory.dmp

    Filesize

    960KB

  • memory/860-32-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/860-29-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/860-20-0x0000000001D00000-0x0000000001D0E000-memory.dmp

    Filesize

    56KB

  • memory/860-21-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/860-24-0x00000000753B0000-0x00000000754A0000-memory.dmp

    Filesize

    960KB

  • memory/860-25-0x00000000753B0000-0x00000000754A0000-memory.dmp

    Filesize

    960KB

  • memory/860-26-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/1276-0-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/1276-9-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB