Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 06:37

General

  • Target

    b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe

  • Size

    524KB

  • MD5

    e19a457d27cf5a4fc46c013f5f35ae40

  • SHA1

    1683c3ac27076dabcd41fcc69d4ee9c00c5b5ef2

  • SHA256

    b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886

  • SHA512

    b6ddbd1b1e9bb3c430593da4da3fc77c553bf2b8f8e188a88f11389f2192268f1ed9007a95d81095a29be7d68e0f9081de13f1e17fa13f2edb5307ec466c3448

  • SSDEEP

    12288:irOj+Ri3AgFdNfsuqW8BDSkiqD7hWw+OwZkR:UQ3AgFsuqBXDPh

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

HacKed

C2

103.186.117.182:7788

Mutex

Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe
    "C:\Users\Admin\AppData\Local\Temp\b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1120
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:668
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GhImdAUxyGDCFQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4876
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GhImdAUxyGDCFQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp24E8.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4404
    • C:\Users\Admin\AppData\Local\Temp\b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe
      "C:\Users\Admin\AppData\Local\Temp\b1d263d591940c834ef1db52e6927c26c6666a5ec57bb73d083244438195c886N.exe"
      2⤵
      • Drops startup file
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3204

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    2ed9f41b347c61bc8fa5828266493d9d

    SHA1

    962185338618fc852edec7a94a467a879462408f

    SHA256

    e7dfadf7f558a7b8735f3dbe02199a392e85329a6919ce51b9b06ca16c41ba82

    SHA512

    d6807480f2892071003adfb8e06b0b6e25288f9a3d92097f0c27d426471f3af847b97edc72be0c2ff6985e77243c250e09fd6980ec43e0f61f303ad23bc5d530

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_w3dxuke0.2lr.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp24E8.tmp

    Filesize

    1KB

    MD5

    81547a0ae60a1e410a013d5d5db0d211

    SHA1

    ef3d50bbb9ca8b33ec356e2b04d9cf9c2abb5e3e

    SHA256

    30816725c87263743528286693f03382a335000decd7cb9abc3916dbd7f9e9b8

    SHA512

    e8505d217f19170fa494c88a003bde493a9fba6939577ab3350ab7edafca1f1919cd4a6062f8d86ad29fc60bca622ca8a58e3380b14a83de087bce2c7802278f

  • memory/668-29-0x0000000004AF0000-0x0000000004B56000-memory.dmp

    Filesize

    408KB

  • memory/668-76-0x0000000007380000-0x00000000079FA000-memory.dmp

    Filesize

    6.5MB

  • memory/668-45-0x0000000005570000-0x00000000058C4000-memory.dmp

    Filesize

    3.3MB

  • memory/668-83-0x0000000007080000-0x000000000709A000-memory.dmp

    Filesize

    104KB

  • memory/668-82-0x0000000006F80000-0x0000000006F94000-memory.dmp

    Filesize

    80KB

  • memory/668-79-0x0000000006FC0000-0x0000000007056000-memory.dmp

    Filesize

    600KB

  • memory/668-78-0x0000000006DB0000-0x0000000006DBA000-memory.dmp

    Filesize

    40KB

  • memory/668-15-0x00000000020F0000-0x0000000002126000-memory.dmp

    Filesize

    216KB

  • memory/668-16-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/668-17-0x0000000004D40000-0x0000000005368000-memory.dmp

    Filesize

    6.2MB

  • memory/668-18-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/668-19-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/668-55-0x000000006F580000-0x000000006F5CC000-memory.dmp

    Filesize

    304KB

  • memory/668-23-0x0000000004A50000-0x0000000004A72000-memory.dmp

    Filesize

    136KB

  • memory/668-91-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/668-50-0x00000000059F0000-0x0000000005A0E000-memory.dmp

    Filesize

    120KB

  • memory/668-30-0x0000000004C90000-0x0000000004CF6000-memory.dmp

    Filesize

    408KB

  • memory/1120-51-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/1120-5-0x0000000005060000-0x00000000050FC000-memory.dmp

    Filesize

    624KB

  • memory/1120-3-0x0000000004DC0000-0x0000000004E52000-memory.dmp

    Filesize

    584KB

  • memory/1120-1-0x0000000000300000-0x0000000000384000-memory.dmp

    Filesize

    528KB

  • memory/1120-7-0x00000000746AE000-0x00000000746AF000-memory.dmp

    Filesize

    4KB

  • memory/1120-2-0x0000000005370000-0x0000000005914000-memory.dmp

    Filesize

    5.6MB

  • memory/1120-8-0x0000000005010000-0x0000000005022000-memory.dmp

    Filesize

    72KB

  • memory/1120-9-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/1120-4-0x0000000004D90000-0x0000000004D9A000-memory.dmp

    Filesize

    40KB

  • memory/1120-10-0x0000000006320000-0x0000000006372000-memory.dmp

    Filesize

    328KB

  • memory/1120-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

    Filesize

    4KB

  • memory/1120-6-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/3204-46-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/4876-90-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/4876-44-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/4876-74-0x0000000006DB0000-0x0000000006DCE000-memory.dmp

    Filesize

    120KB

  • memory/4876-53-0x0000000007990000-0x00000000079C2000-memory.dmp

    Filesize

    200KB

  • memory/4876-80-0x0000000007D00000-0x0000000007D11000-memory.dmp

    Filesize

    68KB

  • memory/4876-81-0x0000000007D30000-0x0000000007D3E000-memory.dmp

    Filesize

    56KB

  • memory/4876-52-0x0000000006820000-0x000000000686C000-memory.dmp

    Filesize

    304KB

  • memory/4876-77-0x0000000007B00000-0x0000000007B1A000-memory.dmp

    Filesize

    104KB

  • memory/4876-84-0x0000000007E20000-0x0000000007E28000-memory.dmp

    Filesize

    32KB

  • memory/4876-21-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/4876-22-0x00000000746A0000-0x0000000074E50000-memory.dmp

    Filesize

    7.7MB

  • memory/4876-54-0x000000006F580000-0x000000006F5CC000-memory.dmp

    Filesize

    304KB

  • memory/4876-75-0x00000000079D0000-0x0000000007A73000-memory.dmp

    Filesize

    652KB