Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/04/2024, 18:55

General

  • Target
    16f57fec906660d12fd7350d48b339c852379a22c1a7117de9573b5b44a38bad.exe
  • Size 2.4MB
  • Sample240407-xk4cfabe4v
  • SHA256 16f57fec906660d12fd7350d48b339c852379a22c1a7117de9573b5b44a38bad
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • phorphiex

C2
  • http://185.215.113.66/

Wallets
  • 0xA42dE5fc50c61De5AcDD14f041fE696Ed94bbb14

  • TGsfvJd3kQ3YA3YA6xmYS5jLPF7AQvb1eE

  • 17hgMFyLDwMjxWqw5GhijhnPdJDyFDqecY

  • qrajga9dps5tuyhwgszh0rq0km5f7r045qu9t85f5r

  • Xh9rjRuZDzxT6CYAjp25jTLzCW3ytvFSSC

  • LLeT2zkStY3cvxMBFhoWXkG5VuZPoezduv

  • rwc4LVd9ABpULQ1CuCpDkgX2xVB1fUijyb

  • 48jYpFT6bT8MTeph7VsyzCQeDsGHqdQNc2kUkRFJPzfRHHjarBvBtudPUtParMkDzZbYBrd3yntWBQcsnVBNeeMbN9EXifg

  • 3P3b5VYMiyZqj2DjoTfZiqTs8Xg8ePKQT6o

  • 3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3

  • DAzhSWyyRBUztammG99AzfjoPPZwZiBAH1

  • t1PRGb2xuep37oE214DPfmYTSdt6d2fxvhq

  • bnb1epx67ne4vckqmaj4gwke8m322f4yjr6eh52wqw

  • bc1qg9l3gdg6pt7p4xcnf6k2trcqk97we3wernlrxt

  • bitcoincash:qrajga9dps5tuyhwgszh0rq0km5f7r045qu9t85f5r

  • GAUCC7ZBSU2KJMHXOZD6AP5LOBGKNDPCDNRYP2CO2ACR63YCSUBNT5QE

Signatures

  • Phorphiex

    Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 20 IoCs
  • UPX dump on OEP (original entry point) 5 IoCs
  • Downloads MZ/PE file
  • Drops file in Drivers directory 2 IoCs
  • Executes dropped EXE 9 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 23 IoCs
  • Adds Run key to start application 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Drops file in Windows directory 6 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16f57fec906660d12fd7350d48b339c852379a22c1a7117de9573b5b44a38bad.exe
    "C:\Users\Admin\AppData\Local\Temp\16f57fec906660d12fd7350d48b339c852379a22c1a7117de9573b5b44a38bad.exe"
    1⤵
    • UAC bypass
    • Windows security bypass
    • Windows security modification
    • Checks whether UAC is enabled
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3648
    • C:\Users\Admin\AppData\Local\Temp\444C.exe
      "C:\Users\Admin\AppData\Local\Temp\444C.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4784
      • C:\Users\Admin\AppData\Local\Temp\561926112.exe
        C:\Users\Admin\AppData\Local\Temp\561926112.exe
        3⤵
        • Windows security bypass
        • Executes dropped EXE
        • Windows security modification
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:3044
        • C:\Users\Admin\AppData\Local\Temp\1946830542.exe
          C:\Users\Admin\AppData\Local\Temp\1946830542.exe
          4⤵
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Adds Run key to start application
          • Drops file in Windows directory
          • Suspicious behavior: SetClipboardViewer
          • Suspicious use of WriteProcessMemory
          PID:2680
          • C:\Users\Admin\AppData\Local\Temp\255594601.exe
            C:\Users\Admin\AppData\Local\Temp\255594601.exe
            5⤵
            • Executes dropped EXE
            PID:4292
          • C:\Users\Admin\AppData\Local\Temp\2361827767.exe
            C:\Users\Admin\AppData\Local\Temp\2361827767.exe
            5⤵
            • Executes dropped EXE
            PID:1504
        • C:\Users\Admin\AppData\Local\Temp\2875622367.exe
          C:\Users\Admin\AppData\Local\Temp\2875622367.exe
          4⤵
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Adds Run key to start application
          • Drops file in Windows directory
          PID:4460
    • C:\Users\Admin\AppData\Roaming\MusaLLaT.exe
      C:\Users\Admin\AppData\Roaming\MusaLLaT.exe
      2⤵
      • UAC bypass
      • Windows security bypass
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Windows security modification
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:4060
      • C:\Users\Admin\AppData\Local\Temp\467F.exe
        "C:\Users\Admin\AppData\Local\Temp\467F.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4992
        • C:\Users\Admin\AppData\Local\Temp\574426928.exe
          C:\Users\Admin\AppData\Local\Temp\574426928.exe
          4⤵
          • Executes dropped EXE
          PID:2368

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        1[1]

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\IGS2C121\1[1]
        • Size 74KB
        • SHA256 a57b4656cea0fd8f13c01790a8696a8aa98c9e34514ae8537ece9182c6bb5a3a
        • MD5 SHA1 SHA512 SSDEEP

        2[1]

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PL0BY74L\2[1]
        • Size 14KB
        • SHA256 8064029f17c1460cc96b7baaefe0d07a638f1e23292adbd4fee00450b72e2954
        • MD5 SHA1 SHA512 SSDEEP

        1946830542.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1946830542.exe
        • Size 74KB
        • SHA256 b5b2bf900e374cd072ee613dc3171aee67158a84a7a920da62e66cce1bf86f0b
        • MD5 SHA1 SHA512 SSDEEP

        2875622367.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2875622367.exe
        • Size 14KB
        • SHA256 fca998a5e8a3814608ced450ace50399712490c78c178a0c163e7049707fa8cd
        • MD5 SHA1 SHA512 SSDEEP

        444C.exe

        • Path C:\Users\Admin\AppData\Local\Temp\444C.exe
        • Size 9KB
        • SHA256 e172537adcee1fcdc8f16c23e43a5ac82c56a0347fa0197c08be979438a534ab
        • MD5 SHA1 SHA512 SSDEEP

        561926112.exe

        • Path C:\Users\Admin\AppData\Local\Temp\561926112.exe
        • Size 84KB
        • SHA256 98fb81423a107a5359e5fc86f1c4d81ff2d4bc73b79f55a5bf827fdb8e620c54
        • MD5 SHA1 SHA512 SSDEEP

        MusaLLaT.exe

        • Path C:\Users\Admin\AppData\Roaming\MusaLLaT.exe
        • Size 2.4MB
        • SHA256 16f57fec906660d12fd7350d48b339c852379a22c1a7117de9573b5b44a38bad
        • MD5 SHA1 SHA512 SSDEEP

        tbtnds.dat

        • Path C:\Users\Admin\tbtnds.dat
        • Size 4KB
        • SHA256 bfcb5f4589729deeeb57b92842933b144322a672cfe3ce11586f1aec83472781
        • MD5 SHA1 SHA512

        memory/3648-0-0x0000000000400000-0x00000000004A7DB0-memory.dmp

        memory/3648-26-0x0000000000400000-0x00000000004A7DB0-memory.dmp

        memory/4060-16-0x0000000000400000-0x00000000004A7DB0-memory.dmp

        memory/4060-44-0x0000000000400000-0x00000000004A7DB0-memory.dmp