Analysis

  • max time kernel
    151s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04-10-2022 01:36

General

  • Target

    a030539de58c3d9e18f770feb17270399b6641f5cbcb14a78db10c4055a8ce8d.exe

  • Size

    244KB

  • MD5

    36539f9812df8ba44239578a6b1337f0

  • SHA1

    9fc68b455c20524ec84de1dc229d679c35fb815b

  • SHA256

    a030539de58c3d9e18f770feb17270399b6641f5cbcb14a78db10c4055a8ce8d

  • SHA512

    54e1b41f049d9fc82c18e5ec02918a43d3958d94cf0f32950f3545d10b6dde0a10e10605bf1c1c9bf73f7f320f108bf93821b5d11c285bd2ecfa247b3db493d7

  • SSDEEP

    6144:0txyKPuUW/1FT6AGG+adsw7OtQSGUh+Yc8XRGzVL:xKGT/1FTt399ShhGGqV

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

mohamedtota.no-ip.biz:5552

Mutex

687fa46eb30322ccea811da1aed2fce9

Attributes
  • reg_key

    687fa46eb30322ccea811da1aed2fce9

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 2 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Loads dropped DLL 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 19 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a030539de58c3d9e18f770feb17270399b6641f5cbcb14a78db10c4055a8ce8d.exe
    "C:\Users\Admin\AppData\Local\Temp\a030539de58c3d9e18f770feb17270399b6641f5cbcb14a78db10c4055a8ce8d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Users\Admin\AppData\LocalYnTyCadSkq.exe
      "C:\Users\Admin\AppData\LocalYnTyCadSkq.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1348
      • C:\Users\Admin\AppData\Local\Temp\server.exe
        "C:\Users\Admin\AppData\Local\Temp\server.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1620
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          PID:1996
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:1284

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalYnTyCadSkq.exe

    Filesize

    23KB

    MD5

    4d13b110f8b5427d53f85c66df13f60f

    SHA1

    c37aab049642d1250e6d8d0112ce1aa1e44c2346

    SHA256

    cd7a69b8c5d0ca7e893c6a5bd36357dbf036a64fbb56203df72063da2dd16371

    SHA512

    69ff478d3c8d6ac4ae4cb36d19f6d5b3e9ea13d6c6aa70ac277e6e18703caf4db8e76c418627d43e66e51e24aa49588f9cb327b5f016cf88afd9dc72f5ebf3de

  • C:\Users\Admin\AppData\LocalYnTyCadSkq.exe

    Filesize

    23KB

    MD5

    4d13b110f8b5427d53f85c66df13f60f

    SHA1

    c37aab049642d1250e6d8d0112ce1aa1e44c2346

    SHA256

    cd7a69b8c5d0ca7e893c6a5bd36357dbf036a64fbb56203df72063da2dd16371

    SHA512

    69ff478d3c8d6ac4ae4cb36d19f6d5b3e9ea13d6c6aa70ac277e6e18703caf4db8e76c418627d43e66e51e24aa49588f9cb327b5f016cf88afd9dc72f5ebf3de

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

    Filesize

    23KB

    MD5

    4d13b110f8b5427d53f85c66df13f60f

    SHA1

    c37aab049642d1250e6d8d0112ce1aa1e44c2346

    SHA256

    cd7a69b8c5d0ca7e893c6a5bd36357dbf036a64fbb56203df72063da2dd16371

    SHA512

    69ff478d3c8d6ac4ae4cb36d19f6d5b3e9ea13d6c6aa70ac277e6e18703caf4db8e76c418627d43e66e51e24aa49588f9cb327b5f016cf88afd9dc72f5ebf3de

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

    Filesize

    23KB

    MD5

    4d13b110f8b5427d53f85c66df13f60f

    SHA1

    c37aab049642d1250e6d8d0112ce1aa1e44c2346

    SHA256

    cd7a69b8c5d0ca7e893c6a5bd36357dbf036a64fbb56203df72063da2dd16371

    SHA512

    69ff478d3c8d6ac4ae4cb36d19f6d5b3e9ea13d6c6aa70ac277e6e18703caf4db8e76c418627d43e66e51e24aa49588f9cb327b5f016cf88afd9dc72f5ebf3de

  • C:\Users\Admin\AppData\LocalfHbRTMXqXE..jpg

    Filesize

    33KB

    MD5

    c55884de0ecf75040719aa5d9ac23187

    SHA1

    55a32f54a33608995f09738e2b81b1939f34a785

    SHA256

    ab880f9da78700ece46926d3c87f6f68ac84340e524f05bd56bce4237580cd6e

    SHA512

    8f2584e1a7b072d0306d7bef43ba46434281b135024f50ca81b73d55db3d3378d226e55a006fd05a0e72159714529f25fe5ed0316a433952dbe66b0e7982e5bb

  • \Users\Admin\AppData\LocalYnTyCadSkq.exe

    Filesize

    23KB

    MD5

    4d13b110f8b5427d53f85c66df13f60f

    SHA1

    c37aab049642d1250e6d8d0112ce1aa1e44c2346

    SHA256

    cd7a69b8c5d0ca7e893c6a5bd36357dbf036a64fbb56203df72063da2dd16371

    SHA512

    69ff478d3c8d6ac4ae4cb36d19f6d5b3e9ea13d6c6aa70ac277e6e18703caf4db8e76c418627d43e66e51e24aa49588f9cb327b5f016cf88afd9dc72f5ebf3de

  • \Users\Admin\AppData\Local\Temp\server.exe

    Filesize

    23KB

    MD5

    4d13b110f8b5427d53f85c66df13f60f

    SHA1

    c37aab049642d1250e6d8d0112ce1aa1e44c2346

    SHA256

    cd7a69b8c5d0ca7e893c6a5bd36357dbf036a64fbb56203df72063da2dd16371

    SHA512

    69ff478d3c8d6ac4ae4cb36d19f6d5b3e9ea13d6c6aa70ac277e6e18703caf4db8e76c418627d43e66e51e24aa49588f9cb327b5f016cf88afd9dc72f5ebf3de

  • memory/1348-70-0x0000000073F70000-0x000000007451B000-memory.dmp

    Filesize

    5.7MB

  • memory/1348-63-0x0000000073F70000-0x000000007451B000-memory.dmp

    Filesize

    5.7MB

  • memory/1348-57-0x0000000000000000-mapping.dmp

  • memory/1620-66-0x0000000000000000-mapping.dmp

  • memory/1620-71-0x0000000073F70000-0x000000007451B000-memory.dmp

    Filesize

    5.7MB

  • memory/1620-74-0x0000000073F70000-0x000000007451B000-memory.dmp

    Filesize

    5.7MB

  • memory/1668-62-0x0000000073F70000-0x000000007451B000-memory.dmp

    Filesize

    5.7MB

  • memory/1668-55-0x0000000073F70000-0x000000007451B000-memory.dmp

    Filesize

    5.7MB

  • memory/1668-54-0x0000000075071000-0x0000000075073000-memory.dmp

    Filesize

    8KB

  • memory/1996-72-0x0000000000000000-mapping.dmp