Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2024 19:49

General

  • Target

    3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe

  • Size

    524KB

  • MD5

    43fbab667475e2717bbfa907ac2b6786

  • SHA1

    8d5af9836a8713aeed86424189d2cdb8b4318a8d

  • SHA256

    3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061

  • SHA512

    620ed0f8bbe926d4cce8474f4f70e29011bbcef2e3f7be74a6590d134a34f2781f478c4283626f9b53d8cf9054ae3ac83b1ff4d3ccdd67b94c6c24d43f79c474

  • SSDEEP

    12288:irOj+Ri3AgFdNfsuqW8BDSkiqD7hWw+OwZkT:UQ3AgFsuqBXDPj

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 32 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe
    "C:\Users\Admin\AppData\Local\Temp\3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.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:772
    • 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\3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4952
    • 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:4972
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GhImdAUxyGDCFQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD7EE.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:220
    • C:\Users\Admin\AppData\Local\Temp\3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe
      "C:\Users\Admin\AppData\Local\Temp\3f3bada42f1509f4e1e64c0a84ceaf8d1a96db9c6254330d51c2e150c86eb061.exe"
      2⤵
      • Drops startup file
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

    Filesize

    18KB

    MD5

    f7054167d648df03f92a314ee1fbea3a

    SHA1

    e4dc20fa8957b13b79f76f56bddd19ead48e4c25

    SHA256

    dda78ae0abe43fd5785427f2fccb5b68904859132ecba68bab097a8f706268ef

    SHA512

    5975a043dffe5acd0d2ac8061ee49c928637563d13e8ff9af55ec196c7a4d297c53a9df493d25c43776253d0715fc748c141b9b1d5efc0650c065db1f636f940

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pu4jufot.xzg.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpD7EE.tmp

    Filesize

    1KB

    MD5

    5492ec64658088f2df4436d23a52ebca

    SHA1

    dab9202cad46d19c68a7ecf6379c32125a53d818

    SHA256

    9a531ed30a101e40d19bd5e46780ac8560995ee7879cf1f957e3f14bbcadb139

    SHA512

    89ad557620958629b054c5c26f3630b7fe7b64c43315ee1e696633eef8c15fecc9ac60e9835804104c1d884792824af7e8c072e93e975d4cd4b7808c2bb5b761

  • memory/772-4-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/772-5-0x0000000005A70000-0x0000000005A7A000-memory.dmp

    Filesize

    40KB

  • memory/772-6-0x0000000005B80000-0x0000000005C1C000-memory.dmp

    Filesize

    624KB

  • memory/772-7-0x00000000752CE000-0x00000000752CF000-memory.dmp

    Filesize

    4KB

  • memory/772-8-0x0000000005B70000-0x0000000005B82000-memory.dmp

    Filesize

    72KB

  • memory/772-9-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/772-10-0x00000000071F0000-0x0000000007242000-memory.dmp

    Filesize

    328KB

  • memory/772-3-0x00000000058E0000-0x0000000005972000-memory.dmp

    Filesize

    584KB

  • memory/772-2-0x0000000005E90000-0x0000000006434000-memory.dmp

    Filesize

    5.6MB

  • memory/772-38-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/772-1-0x0000000000FA0000-0x0000000001024000-memory.dmp

    Filesize

    528KB

  • memory/772-0-0x00000000752CE000-0x00000000752CF000-memory.dmp

    Filesize

    4KB

  • memory/3864-26-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/4952-34-0x0000000005E20000-0x0000000006174000-memory.dmp

    Filesize

    3.3MB

  • memory/4952-74-0x0000000007630000-0x00000000076D3000-memory.dmp

    Filesize

    652KB

  • memory/4952-89-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/4952-25-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/4952-23-0x0000000005C10000-0x0000000005C76000-memory.dmp

    Filesize

    408KB

  • memory/4952-15-0x0000000004E70000-0x0000000004EA6000-memory.dmp

    Filesize

    216KB

  • memory/4952-18-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/4952-16-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/4952-22-0x0000000005B70000-0x0000000005B92000-memory.dmp

    Filesize

    136KB

  • memory/4952-50-0x00000000063F0000-0x000000000640E000-memory.dmp

    Filesize

    120KB

  • memory/4952-51-0x0000000006480000-0x00000000064CC000-memory.dmp

    Filesize

    304KB

  • memory/4952-82-0x0000000007A50000-0x0000000007A6A000-memory.dmp

    Filesize

    104KB

  • memory/4952-54-0x0000000075B50000-0x0000000075B9C000-memory.dmp

    Filesize

    304KB

  • memory/4952-72-0x00000000069A0000-0x00000000069BE000-memory.dmp

    Filesize

    120KB

  • memory/4952-52-0x00000000069C0000-0x00000000069F2000-memory.dmp

    Filesize

    200KB

  • memory/4952-24-0x0000000005DB0000-0x0000000005E16000-memory.dmp

    Filesize

    408KB

  • memory/4952-79-0x0000000007910000-0x0000000007921000-memory.dmp

    Filesize

    68KB

  • memory/4952-78-0x0000000007990000-0x0000000007A26000-memory.dmp

    Filesize

    600KB

  • memory/4972-77-0x0000000007340000-0x000000000734A000-memory.dmp

    Filesize

    40KB

  • memory/4972-75-0x0000000007920000-0x0000000007F9A000-memory.dmp

    Filesize

    6.5MB

  • memory/4972-76-0x00000000072D0000-0x00000000072EA000-memory.dmp

    Filesize

    104KB

  • memory/4972-80-0x0000000007500000-0x000000000750E000-memory.dmp

    Filesize

    56KB

  • memory/4972-81-0x0000000007510000-0x0000000007524000-memory.dmp

    Filesize

    80KB

  • memory/4972-53-0x0000000075B50000-0x0000000075B9C000-memory.dmp

    Filesize

    304KB

  • memory/4972-83-0x00000000075F0000-0x00000000075F8000-memory.dmp

    Filesize

    32KB

  • memory/4972-17-0x0000000005180000-0x00000000057A8000-memory.dmp

    Filesize

    6.2MB

  • memory/4972-19-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/4972-21-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB

  • memory/4972-90-0x00000000752C0000-0x0000000075A70000-memory.dmp

    Filesize

    7.7MB