Analysis

  • max time kernel
    187s
  • max time network
    99s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 08:42

General

  • Target

    918262180108f962670a5b413a00e8ff193fe50873a176f68241960dc62480d4.exe

  • Size

    23KB

  • MD5

    7195a553b760af0b64a685f8dea1900d

  • SHA1

    6c50a8f5357135e7f738664bf633e8bbc2cbeee8

  • SHA256

    918262180108f962670a5b413a00e8ff193fe50873a176f68241960dc62480d4

  • SHA512

    d67c1a715182dfc4945a210e64a305f02b227d78adf5731601bb774ed62fe9b91b547ad2a8f9fd4d331ccba1d347590cb8812b2e9af83b785925e59ca3e616f9

  • SSDEEP

    384:E4Q+SAN7uprgvM5OSUswZXg69gbm4hfpFmRvR6JZlbw8hqIusZzZ4dJ:GOaxVULRpcnut

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

hacke

C2

yusifhacker123.no-ip.biz:5552

Mutex

b5fa757354bbe4709ff7d91d5edc7795

Attributes
  • reg_key

    b5fa757354bbe4709ff7d91d5edc7795

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\918262180108f962670a5b413a00e8ff193fe50873a176f68241960dc62480d4.exe
    "C:\Users\Admin\AppData\Local\Temp\918262180108f962670a5b413a00e8ff193fe50873a176f68241960dc62480d4.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1292
    • C:\Users\Admin\AppData\Local\Temp\trojan.exe
      "C:\Users\Admin\AppData\Local\Temp\trojan.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:572
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\trojan.exe" "trojan.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1036

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\trojan.exe
    Filesize

    23KB

    MD5

    7195a553b760af0b64a685f8dea1900d

    SHA1

    6c50a8f5357135e7f738664bf633e8bbc2cbeee8

    SHA256

    918262180108f962670a5b413a00e8ff193fe50873a176f68241960dc62480d4

    SHA512

    d67c1a715182dfc4945a210e64a305f02b227d78adf5731601bb774ed62fe9b91b547ad2a8f9fd4d331ccba1d347590cb8812b2e9af83b785925e59ca3e616f9

  • C:\Users\Admin\AppData\Local\Temp\trojan.exe
    Filesize

    23KB

    MD5

    7195a553b760af0b64a685f8dea1900d

    SHA1

    6c50a8f5357135e7f738664bf633e8bbc2cbeee8

    SHA256

    918262180108f962670a5b413a00e8ff193fe50873a176f68241960dc62480d4

    SHA512

    d67c1a715182dfc4945a210e64a305f02b227d78adf5731601bb774ed62fe9b91b547ad2a8f9fd4d331ccba1d347590cb8812b2e9af83b785925e59ca3e616f9

  • \Users\Admin\AppData\Local\Temp\trojan.exe
    Filesize

    23KB

    MD5

    7195a553b760af0b64a685f8dea1900d

    SHA1

    6c50a8f5357135e7f738664bf633e8bbc2cbeee8

    SHA256

    918262180108f962670a5b413a00e8ff193fe50873a176f68241960dc62480d4

    SHA512

    d67c1a715182dfc4945a210e64a305f02b227d78adf5731601bb774ed62fe9b91b547ad2a8f9fd4d331ccba1d347590cb8812b2e9af83b785925e59ca3e616f9

  • memory/572-58-0x0000000000000000-mapping.dmp
  • memory/572-63-0x0000000074820000-0x0000000074DCB000-memory.dmp
    Filesize

    5.7MB

  • memory/572-65-0x0000000074820000-0x0000000074DCB000-memory.dmp
    Filesize

    5.7MB

  • memory/1036-64-0x0000000000000000-mapping.dmp
  • memory/1292-54-0x0000000075531000-0x0000000075533000-memory.dmp
    Filesize

    8KB

  • memory/1292-55-0x0000000074820000-0x0000000074DCB000-memory.dmp
    Filesize

    5.7MB

  • memory/1292-56-0x0000000074820000-0x0000000074DCB000-memory.dmp
    Filesize

    5.7MB

  • memory/1292-62-0x0000000074820000-0x0000000074DCB000-memory.dmp
    Filesize

    5.7MB