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Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/01/2024, 10:10

General

  • Target

    6d094c28983399f4e67187df97acb68e.exe

  • Size

    624KB

  • MD5

    6d094c28983399f4e67187df97acb68e

  • SHA1

    7fd102da844cc18501ba536222e4192aaa4f2f64

  • SHA256

    66d97c4d0bbce8d037eac53dab2c813863517a1e85fe8c06277a5bef1b6d6a7d

  • SHA512

    e5d64676b0d85acdc3d2412b7f2dfd791c17ac13b9246602c46d7d655f85aaf243703c34c4a3233b39ee5c3f30a0340856ff716c51a4cf183ba0ae549b73d4bc

  • SSDEEP

    3072:tSq4n6wVOvf2cxuIMMcxuIMLb8YZCuFqa/wnHCKK8GgiY:tSqoVm2cTcY8WYRcznY

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://archive.org/download/runpe2_20210708/runpe2.iso

ps1.dropper

https://archive.org/download/runpe1_20210708/runpe1.iso

Extracted

Family

njrat

Version

v2.0

Botnet

HacKed

C2

yytht4t444.ddns.net:2222

Mutex

Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Blocklisted process makes network request 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d094c28983399f4e67187df97acb68e.exe
    "C:\Users\Admin\AppData\Local\Temp\6d094c28983399f4e67187df97acb68e.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4224
    • C:\Users\Admin\Pictures\cc.exe
      "C:\Users\Admin\Pictures\cc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5096
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
        dw20.exe -x -s 1172
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:5060
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\Pictures\Defender32.vbs"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3872
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -windowstyle hidden -noexit -command C:\Users\Public\Datax.ps1;
        3⤵
        • Blocklisted process makes network request
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1952
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hbpdvjrh.n3f.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\Pictures\Defender32.vbs

    Filesize

    15KB

    MD5

    3e440309fcf0deb8219c7f97bfbb2141

    SHA1

    ac8188052c50230b10451140a4e4ae53a07aa60b

    SHA256

    f34dc24cdbd5dba5de9ed0cfc5c7e3ce5a504c12e6631ec2aec7cd749007b11f

    SHA512

    03729f0bb30920e4d6045dce97fab5e984eca0572009bd412166376cc676a6b1336b12daf3649d53edbc9012349b54923e3cef4faed7c5d794c1aeb8228c3945

  • C:\Users\Admin\Pictures\cc.exe

    Filesize

    563KB

    MD5

    b3e4312db76b35663728f2ce7fae143a

    SHA1

    b3884a89f4ecd469ebaad3a03ff7e89145cc427b

    SHA256

    68fe607aa500c33f3b69d274bcf770622594df431cd25780090f3ef5a7f75539

    SHA512

    7f0a7a57385990390c949724b166c1683833150bb892881a4d7b171a970e0649a9d7206b9b2d0a88b607d16105cdd9c1dec1a761872bc17c16e559f9c27b9a95

  • C:\Users\Public\Datax.ps1

    Filesize

    613B

    MD5

    36d123f188849666f11e983230b62722

    SHA1

    76d8c01a5de6d397aea011e011df032a1a3bab6c

    SHA256

    512514eae37973872640a41cce70e6b825a6d7e4da50ee25d35d37e352f67514

    SHA512

    0977f7eb3eeed46d778e3467ea9115bae82caf9f2664f3f76e762a099bb1daa098520af590b6c030f36ae2516707be6f84eae1788d76492e800ae3e2df27f632

  • memory/1952-66-0x00000206F0930000-0x00000206F0940000-memory.dmp

    Filesize

    64KB

  • memory/1952-58-0x00000206F1560000-0x00000206F156A000-memory.dmp

    Filesize

    40KB

  • memory/1952-64-0x00007FFCBEFE0000-0x00007FFCBFAA1000-memory.dmp

    Filesize

    10.8MB

  • memory/1952-56-0x00000206F15A0000-0x00000206F15E4000-memory.dmp

    Filesize

    272KB

  • memory/1952-55-0x00000206F0930000-0x00000206F0940000-memory.dmp

    Filesize

    64KB

  • memory/1952-54-0x00000206F0930000-0x00000206F0940000-memory.dmp

    Filesize

    64KB

  • memory/1952-53-0x00000206F0930000-0x00000206F0940000-memory.dmp

    Filesize

    64KB

  • memory/1952-42-0x00000206F07B0000-0x00000206F07D2000-memory.dmp

    Filesize

    136KB

  • memory/1952-52-0x00007FFCBEFE0000-0x00007FFCBFAA1000-memory.dmp

    Filesize

    10.8MB

  • memory/1952-67-0x00000206F0930000-0x00000206F0940000-memory.dmp

    Filesize

    64KB

  • memory/4040-59-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/4040-70-0x0000000075610000-0x0000000075BC1000-memory.dmp

    Filesize

    5.7MB

  • memory/4040-69-0x0000000000AD0000-0x0000000000AE0000-memory.dmp

    Filesize

    64KB

  • memory/4040-68-0x0000000075610000-0x0000000075BC1000-memory.dmp

    Filesize

    5.7MB

  • memory/4040-61-0x0000000000AD0000-0x0000000000AE0000-memory.dmp

    Filesize

    64KB

  • memory/4040-60-0x0000000075610000-0x0000000075BC1000-memory.dmp

    Filesize

    5.7MB

  • memory/4224-0-0x000001E931700000-0x000001E9317A4000-memory.dmp

    Filesize

    656KB

  • memory/4224-37-0x00007FFCBEFE0000-0x00007FFCBFAA1000-memory.dmp

    Filesize

    10.8MB

  • memory/4224-1-0x00007FFCBEFE0000-0x00007FFCBFAA1000-memory.dmp

    Filesize

    10.8MB

  • memory/5096-16-0x000000001BE90000-0x000000001C35E000-memory.dmp

    Filesize

    4.8MB

  • memory/5096-17-0x00007FFCBB2D0000-0x00007FFCBBC71000-memory.dmp

    Filesize

    9.6MB

  • memory/5096-31-0x00007FFCBB2D0000-0x00007FFCBBC71000-memory.dmp

    Filesize

    9.6MB

  • memory/5096-15-0x0000000001210000-0x0000000001220000-memory.dmp

    Filesize

    64KB

  • memory/5096-18-0x000000001C440000-0x000000001C4DC000-memory.dmp

    Filesize

    624KB

  • memory/5096-19-0x000000001B930000-0x000000001B938000-memory.dmp

    Filesize

    32KB

  • memory/5096-20-0x000000001C5A0000-0x000000001C5EC000-memory.dmp

    Filesize

    304KB

  • memory/5096-14-0x00007FFCBB2D0000-0x00007FFCBBC71000-memory.dmp

    Filesize

    9.6MB

  • memory/5096-13-0x000000001B880000-0x000000001B926000-memory.dmp

    Filesize

    664KB

  • memory/5096-21-0x0000000001210000-0x0000000001220000-memory.dmp

    Filesize

    64KB

  • memory/5096-23-0x0000000001210000-0x0000000001220000-memory.dmp

    Filesize

    64KB

  • memory/5096-22-0x0000000001210000-0x0000000001220000-memory.dmp

    Filesize

    64KB

  • memory/5096-24-0x0000000001210000-0x0000000001220000-memory.dmp

    Filesize

    64KB