Analysis

  • max time kernel
    260s
  • max time network
    336s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 23:02

General

  • Target

    1c1e6128738f90d0a77248880efd9bc9b9255d5a5625b05fe609ced943de900a.exe

  • Size

    641KB

  • MD5

    0f90df5bc5729687c185b625c884173a

  • SHA1

    5c313bd0d43e9fc04de3be43546bf598a741c86b

  • SHA256

    1c1e6128738f90d0a77248880efd9bc9b9255d5a5625b05fe609ced943de900a

  • SHA512

    012a1d3160cac0f076d2ca00ba0a01f6e6d99f42e184cc3dfd5f5366d44642cb1fe0995bf7311f0428cad472df58544fd89265ff0865cbdca2117f0c015eeaa6

  • SSDEEP

    6144:zYQT9dfbLIqMIgGkQ5wwa4RoqQtvlsOk0pM/SbURs4joY5iyk4AAoOQATLo:Ecdfbsq7bip4RdSSEF4Dib4z

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed By Mohamed Hany

C2

bondok12.no-ip.biz:1177

Mutex

ccaba534c83a00018d8c7c4e6116f22c

Attributes
  • reg_key

    ccaba534c83a00018d8c7c4e6116f22c

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c1e6128738f90d0a77248880efd9bc9b9255d5a5625b05fe609ced943de900a.exe
    "C:\Users\Admin\AppData\Local\Temp\1c1e6128738f90d0a77248880efd9bc9b9255d5a5625b05fe609ced943de900a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Users\Admin\AppData\Local\Temp\winlogon.exe
      "C:\Users\Admin\AppData\Local\Temp\winlogon.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1092
      • C:\Windows\system32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\winlogon.exe" "winlogon.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1560

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\winlogon.exe

    Filesize

    641KB

    MD5

    0f90df5bc5729687c185b625c884173a

    SHA1

    5c313bd0d43e9fc04de3be43546bf598a741c86b

    SHA256

    1c1e6128738f90d0a77248880efd9bc9b9255d5a5625b05fe609ced943de900a

    SHA512

    012a1d3160cac0f076d2ca00ba0a01f6e6d99f42e184cc3dfd5f5366d44642cb1fe0995bf7311f0428cad472df58544fd89265ff0865cbdca2117f0c015eeaa6

  • C:\Users\Admin\AppData\Local\Temp\winlogon.exe

    Filesize

    641KB

    MD5

    0f90df5bc5729687c185b625c884173a

    SHA1

    5c313bd0d43e9fc04de3be43546bf598a741c86b

    SHA256

    1c1e6128738f90d0a77248880efd9bc9b9255d5a5625b05fe609ced943de900a

    SHA512

    012a1d3160cac0f076d2ca00ba0a01f6e6d99f42e184cc3dfd5f5366d44642cb1fe0995bf7311f0428cad472df58544fd89265ff0865cbdca2117f0c015eeaa6

  • memory/1092-59-0x0000000000000000-mapping.dmp

  • memory/1092-62-0x0000000001310000-0x00000000013B6000-memory.dmp

    Filesize

    664KB

  • memory/1516-54-0x0000000000920000-0x00000000009C6000-memory.dmp

    Filesize

    664KB

  • memory/1516-55-0x0000000000150000-0x0000000000178000-memory.dmp

    Filesize

    160KB

  • memory/1516-56-0x00000000004F0000-0x000000000056A000-memory.dmp

    Filesize

    488KB

  • memory/1516-57-0x0000000000570000-0x000000000058A000-memory.dmp

    Filesize

    104KB

  • memory/1516-58-0x00000000008B0000-0x0000000000916000-memory.dmp

    Filesize

    408KB

  • memory/1560-63-0x0000000000000000-mapping.dmp

  • memory/1560-64-0x000007FEFB6F1000-0x000007FEFB6F3000-memory.dmp

    Filesize

    8KB