Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-04-2024 10:22

General

  • Target

    386ed7ba502e7bf0e60c546476c1c762cbc951eb2a2ba1f5b505be08d60310ef.xls

  • Size

    401KB

  • MD5

    02ba9703d1f250b411ea4c868d17fd2e

  • SHA1

    27d7eab43b66abd73cdc8da304dbb2daa9842df0

  • SHA256

    386ed7ba502e7bf0e60c546476c1c762cbc951eb2a2ba1f5b505be08d60310ef

  • SHA512

    c2803749c6dd777f02312ee635c12930082343eab4153c3691cf8bcfe8ec0925d134e094bffee2ceb918a58d59176f07b43fb7b0ba8573325a63eefca487f24c

  • SSDEEP

    6144:QxEtjPOtioVjDGUU1qfDlavx+W2QnADP:e

Score
10/10

Malware Config

Extracted

Family

crimsonrat

C2

95.168.176.141

111.115.60.18

Signatures

  • CrimsonRAT main payload 1 IoCs
  • CrimsonRat

    Crimson RAT is a malware linked to a Pakistani-linked threat actor.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\386ed7ba502e7bf0e60c546476c1c762cbc951eb2a2ba1f5b505be08d60310ef.xls
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\ProgramData\Mldhrab\hargardius.exe
      C:\ProgramData\Mldhrab\hargardius.exe
      2⤵
      • Executes dropped EXE
      PID:2572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\PROGRA~3\Mldhrab\HARGAR~1.ZIP

    Filesize

    52KB

    MD5

    2bfd5f0385aa66b2a0cb2a41835a2c64

    SHA1

    228e5c6771f77734aac0198250539055a2c83dfe

    SHA256

    1bec9da6aa9e788cade70f6a62076f16ceef9a5b84cec3010bce9117dd9baea6

    SHA512

    3908cda6ce7dd72a73c89efc27999c4ce361699f08c916eefdb7f98b8739ef23b71c6b4e12f079b080cbcef341143247facb6da6ab10b42f1acb7069f69352d8

  • \ProgramData\Mldhrab\hargardius.exe

    Filesize

    9.1MB

    MD5

    80c092fa7a3558e429c0667cfe1180a1

    SHA1

    8f430367ad843012f8a0d1901103c8d7546d843d

    SHA256

    5a7a7c94eed3eea9fbc9ff1a32ea3422b46496e405f90858b1b169bb60bdbac6

    SHA512

    ce1a67abd9ff7396add8dce6379715cfdb5a6e4d59714584232438f80cfa910bf815e15bf7f47535969d830c8f3ac984fca6c5be6c52a6c2ad05a0ebdfc66863

  • memory/2412-16-0x00000000004D0000-0x00000000005D0000-memory.dmp

    Filesize

    1024KB

  • memory/2412-19-0x00000000004D0000-0x00000000005D0000-memory.dmp

    Filesize

    1024KB

  • memory/2412-7-0x00000000004D0000-0x00000000005D0000-memory.dmp

    Filesize

    1024KB

  • memory/2412-6-0x00000000004D0000-0x00000000005D0000-memory.dmp

    Filesize

    1024KB

  • memory/2412-5-0x00000000004D0000-0x00000000005D0000-memory.dmp

    Filesize

    1024KB

  • memory/2412-8-0x00000000004D0000-0x00000000005D0000-memory.dmp

    Filesize

    1024KB

  • memory/2412-9-0x00000000004D0000-0x00000000005D0000-memory.dmp

    Filesize

    1024KB

  • memory/2412-10-0x00000000004D0000-0x00000000005D0000-memory.dmp

    Filesize

    1024KB

  • memory/2412-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2412-4-0x00000000004D0000-0x00000000005D0000-memory.dmp

    Filesize

    1024KB

  • memory/2412-3-0x00000000004D0000-0x00000000005D0000-memory.dmp

    Filesize

    1024KB

  • memory/2412-1-0x000000007269D000-0x00000000726A8000-memory.dmp

    Filesize

    44KB

  • memory/2412-51-0x00000000004D0000-0x00000000005D0000-memory.dmp

    Filesize

    1024KB

  • memory/2412-50-0x000000007269D000-0x00000000726A8000-memory.dmp

    Filesize

    44KB

  • memory/2572-49-0x000000006C470000-0x000000006CA1B000-memory.dmp

    Filesize

    5.7MB

  • memory/2572-44-0x00000000005E0000-0x0000000000620000-memory.dmp

    Filesize

    256KB

  • memory/2572-43-0x000000006C470000-0x000000006CA1B000-memory.dmp

    Filesize

    5.7MB

  • memory/2572-53-0x00000000005E0000-0x0000000000620000-memory.dmp

    Filesize

    256KB

  • memory/2572-52-0x000000006C470000-0x000000006CA1B000-memory.dmp

    Filesize

    5.7MB