Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/02/2024, 19:32

General

  • Target
    2024-02-18_db5bfeaab000128bf8240ee52b2afebf_magniber_revil.exe
  • Size 5.2MB
  • Sample240218-x8w82aec99
  • SHA256 bc5eec6fc9465453794a5a9db3bfea1fd498d6bd1f1428a674a465afe703eb94
  • 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
  • Contacts a large (1233) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 10 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Windows directory 6 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: SetClipboardViewer 2 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-02-18_db5bfeaab000128bf8240ee52b2afebf_magniber_revil.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-18_db5bfeaab000128bf8240ee52b2afebf_magniber_revil.exe"
    1⤵
    • Checks computer location settings
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Users\Admin\AppData\Local\Temp\923.exe
      "C:\Users\Admin\AppData\Local\Temp\923.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4688
      • C:\Users\Admin\AppData\Local\Temp\3053210185.exe
        C:\Users\Admin\AppData\Local\Temp\3053210185.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:3052
        • C:\Users\Admin\AppData\Local\Temp\2823715327.exe
          C:\Users\Admin\AppData\Local\Temp\2823715327.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:3196
          • C:\Users\Admin\AppData\Local\Temp\2887122461.exe
            C:\Users\Admin\AppData\Local\Temp\2887122461.exe
            5⤵
            • Executes dropped EXE
            PID:3876
          • C:\Users\Admin\AppData\Local\Temp\2431612908.exe
            C:\Users\Admin\AppData\Local\Temp\2431612908.exe
            5⤵
            • Executes dropped EXE
            PID:4456
          • C:\Users\Admin\AppData\Local\Temp\297578827.exe
            C:\Users\Admin\AppData\Local\Temp\297578827.exe
            5⤵
            • Executes dropped EXE
            PID:5864
        • C:\Users\Admin\AppData\Local\Temp\184137306.exe
          C:\Users\Admin\AppData\Local\Temp\184137306.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:1972
          • C:\Users\Admin\AppData\Local\Temp\2233822114.exe
            C:\Users\Admin\AppData\Local\Temp\2233822114.exe
            5⤵
            • Executes dropped EXE
            PID:2168
          • C:\Users\Admin\AppData\Local\Temp\2610613838.exe
            C:\Users\Admin\AppData\Local\Temp\2610613838.exe
            5⤵
            • Executes dropped EXE
            PID:312
        • C:\Users\Admin\AppData\Local\Temp\221304726.exe
          C:\Users\Admin\AppData\Local\Temp\221304726.exe
          4⤵
          • Executes dropped EXE
          PID:3828
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 228
            5⤵
            • Program crash
            PID:4952
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3828 -ip 3828
    1⤵
      PID:3180

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          2[1]

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\L3T8W3B4\2[1]
          • Size 23KB
          • SHA256 4ecc3858eb5f437af29b9a7ed8fce1b2b6650573f06df09e551e77b1e599195b
          • MD5 SHA1 SHA512 SSDEEP

          5[1]

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\L3T8W3B4\5[1]
          • Size 18KB
          • SHA256 0367572142c5d7aa36047009d9f45e0d30436ecbcfe8910167cf8f39c678d3d9
          • MD5 SHA1 SHA512 SSDEEP

          1[1]

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M8F18HYR\1[1]
          • Size 86KB
          • SHA256 86b717189b01aa5db7f367a6bb926f55379db91c757d50f3eab278750f405c1f
          • MD5 SHA1 SHA512 SSDEEP

          3[1]

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M8F18HYR\3[1]
          • Size 86KB
          • SHA256 2906e7f0b36cced4343b5aaa17fc04e85ca0d4258b90bf3c2b31f4914a1b068e
          • MD5 SHA1 SHA512 SSDEEP

          184137306.exe

          • Path C:\Users\Admin\AppData\Local\Temp\184137306.exe
          • Size 23KB
          • SHA256 84daa9d52f759af343741880a3b66a3abb886310de7f552743d99e69741c6450
          • MD5 SHA1 SHA512 SSDEEP

          221304726.exe

          • Path C:\Users\Admin\AppData\Local\Temp\221304726.exe
          • Size 18KB
          • SHA256 fd4c89d7b2d30000e6893e880c948d7f11fa2f8c5053997f746722ec9fff0eec
          • MD5 SHA1 SHA512 SSDEEP

          2233822114.exe

          • Path C:\Users\Admin\AppData\Local\Temp\2233822114.exe
          • Size 26KB
          • SHA256 205f3db571d52403015b26412b6e45647a47b0f118bb9ce42074b4e02b33bf22
          • MD5 SHA1 SHA512 SSDEEP

          2610613838.exe

          • Path C:\Users\Admin\AppData\Local\Temp\2610613838.exe
          • Size 21KB
          • SHA256 4b12137d744d3bde0b6bd4b253bea3c099dea6f2a6d6e4868a735531ff6dc87b
          • MD5 SHA1 SHA512 SSDEEP

          2823715327.exe

          • Path C:\Users\Admin\AppData\Local\Temp\2823715327.exe
          • Size 86KB
          • SHA256 a8454ee4d51de8582746091a406dd659324d2f7330552431c130f72baedc1266
          • MD5 SHA1 SHA512 SSDEEP

          3053210185.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3053210185.exe
          • Size 79KB
          • SHA256 94a66eea65edd08ca19bf6db266058e81714312b6a51892298b461ffd8b90161
          • MD5 SHA1 SHA512 SSDEEP

          923.exe

          • Path C:\Users\Admin\AppData\Local\Temp\923.exe
          • Size 9KB
          • SHA256 e172537adcee1fcdc8f16c23e43a5ac82c56a0347fa0197c08be979438a534ab
          • MD5 SHA1 SHA512 SSDEEP

          tbnds.dat

          • Path C:\Users\Admin\tbnds.dat
          • Size 4KB
          • SHA256 64bcb1de60d2e5b1f471cc4ea18137c7ddb6903293e346bfc4765afc34a0467b
          • MD5 SHA1 SHA512