Analysis

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

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/02/2024, 09:20

General

  • Target
    a003466a5853264b01f92a6f1b0e906d.exe
  • Size 334KB
  • Sample240216-la335sfc7z
  • SHA256 0cb5c42907f6ef9990a4ae9b1cb9d2e0d3517316bd371ee860988f3a753c1b4f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • phorphiex

C2
  • http://185.215.113.66/

Wallets
  • 0xAa3ea4838e8E3F6a1922c6B67E3cD6efD1ff175b

  • THRUoPK7oYqF7YyKZJvPYwTH35JsPZVPto

  • 1Hw9tx4KyTq4oRoLVhPb4hjDJcLhEa4Tn6

  • qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut

  • XtxFdsKkRN3oVDXtN2ipcHeNi87basT2sL

  • LXMNcn9D8FQKzGNLjdSyR9dEM8Rsh9NzyX

  • rwn7tb5KQjXEjH42GgdHWHec5PPhVgqhSH

  • ARML6g7zynrwUHJbFJCCzMPiysUFXYBGgQ

  • 48jYpFT6bT8MTeph7VsyzCQeDsGHqdQNc2kUkRFJPzfRHHjarBvBtudPUtParMkDzZbYBrd3yntWBQcsnVBNeeMbN9EXifg

  • 3PL7YCa4akNYzuScqQwiSbtTP9q9E9PLreC

  • 3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3

  • D9AJWrbYsidS9rAU146ifLRu1fzX9oQYSH

  • t1gvVWHnjbGTsoWXEyoTFojc2GqEzBgvbEn

  • bnb1cgttf7t5hu7ud3c436ufhcmy59qnkd09adqczd

  • bc1q0fusmmgycnhsd5cadsuz2hk8d4maausjfjypqg

  • bitcoincash:qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut

  • GAUCC7ZBSU2KJMHXOZD6AP5LOBGKNDPCDNRYP2CO2ACR63YCSUBNT5QE

Signatures

  • Phorphiex

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

  • Phorphiex payload 1 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 7 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Drops file in Windows directory 6 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: SetClipboardViewer 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a003466a5853264b01f92a6f1b0e906d.exe
    "C:\Users\Admin\AppData\Local\Temp\a003466a5853264b01f92a6f1b0e906d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3992
    • C:\Users\Admin\AppData\Local\Temp\490F.exe
      "C:\Users\Admin\AppData\Local\Temp\490F.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:3056
      • C:\Windows\sylsplvc.exe
        C:\Windows\sylsplvc.exe
        3⤵
        • Windows security bypass
        • Executes dropped EXE
        • Windows security modification
        • Suspicious use of WriteProcessMemory
        PID:944
        • C:\Users\Admin\AppData\Local\Temp\91802470.exe
          C:\Users\Admin\AppData\Local\Temp\91802470.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:4504
          • C:\Users\Admin\AppData\Local\Temp\317719193.exe
            C:\Users\Admin\AppData\Local\Temp\317719193.exe
            5⤵
            • Executes dropped EXE
            PID:4728
          • C:\Users\Admin\AppData\Local\Temp\2983032359.exe
            C:\Users\Admin\AppData\Local\Temp\2983032359.exe
            5⤵
            • Executes dropped EXE
            PID:5064
          • C:\Users\Admin\AppData\Local\Temp\3125915572.exe
            C:\Users\Admin\AppData\Local\Temp\3125915572.exe
            5⤵
            • Executes dropped EXE
            PID:4704
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4704 -s 324
              6⤵
              • Program crash
              PID:3456
        • C:\Users\Admin\AppData\Local\Temp\1585527112.exe
          C:\Users\Admin\AppData\Local\Temp\1585527112.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
          PID:1892
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4704 -ip 4704
    1⤵
      PID:2244

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          1[1]

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\SB302YPZ\1[1]
          • Size 86KB
          • SHA256 86b717189b01aa5db7f367a6bb926f55379db91c757d50f3eab278750f405c1f
          • MD5 SHA1 SHA512 SSDEEP

          3[1]

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\SB302YPZ\3[1]
          • Size 86KB
          • SHA256 2906e7f0b36cced4343b5aaa17fc04e85ca0d4258b90bf3c2b31f4914a1b068e
          • MD5 SHA1 SHA512 SSDEEP

          2[1]

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\W8BIYKF7\2[1]
          • Size 23KB
          • SHA256 4ecc3858eb5f437af29b9a7ed8fce1b2b6650573f06df09e551e77b1e599195b
          • MD5 SHA1 SHA512 SSDEEP

          5[1]

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\W8BIYKF7\5[1]
          • Size 18KB
          • SHA256 0367572142c5d7aa36047009d9f45e0d30436ecbcfe8910167cf8f39c678d3d9
          • MD5 SHA1 SHA512 SSDEEP

          1585527112.exe

          • Path C:\Users\Admin\AppData\Local\Temp\1585527112.exe
          • Size 23KB
          • SHA256 84daa9d52f759af343741880a3b66a3abb886310de7f552743d99e69741c6450
          • MD5 SHA1 SHA512 SSDEEP

          3125915572.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3125915572.exe
          • Size 18KB
          • SHA256 fd4c89d7b2d30000e6893e880c948d7f11fa2f8c5053997f746722ec9fff0eec
          • MD5 SHA1 SHA512 SSDEEP

          490F.exe

          • Path C:\Users\Admin\AppData\Local\Temp\490F.exe
          • Size 79KB
          • SHA256 3f16f4550826076b2c8cd7b392ee649aeb06740328658a2d30c3d2002c6b7879
          • MD5 SHA1 SHA512 SSDEEP

          91802470.exe

          • Path C:\Users\Admin\AppData\Local\Temp\91802470.exe
          • Size 86KB
          • SHA256 a8454ee4d51de8582746091a406dd659324d2f7330552431c130f72baedc1266
          • MD5 SHA1 SHA512 SSDEEP

          tbnds.dat

          • Path C:\Users\Admin\tbnds.dat
          • Size 3KB
          • SHA256 96ac186bd3b186abacfb6af72e945de2c8794466ecf6c31020a56a0ed12c2494
          • MD5 SHA1 SHA512

          memory/3992-7-0x0000000002FF0000-0x0000000002FF1000-memory.dmp

          memory/3992-13-0x0000000000400000-0x0000000000457DA0-memory.dmp

          memory/3992-34-0x0000000002FF0000-0x0000000002FF1000-memory.dmp