Analysis

  • max time kernel
    600s
  • max time network
    603s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/10/2022, 04:50

General

  • Target
    de3317c552ada9ecd8833549010fd97147a64c63d2bc55aba814acd65e7189c9.exe
  • Size 227KB
  • Sample221027-fgjp7aagc8
  • SHA256 de3317c552ada9ecd8833549010fd97147a64c63d2bc55aba814acd65e7189c9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • phorphiex

C2
  • http://185.215.113.66/twizt/

Wallets
  • 12SJv5p8xUHeiKnXPCDaKCMpqvXj7TABT5BSxGt3csz9Beuc

  • 1A6utf8R2zfLL7X31T5QRHdQyAx16BjdFD

  • 3PFzu8Rw8aDNhDT6d5FMrZ3ckE4dEHzogfg

  • 3BJS4zYwrnfcJMm4xLxRcsa69ght8n6QWz

  • qpzj59cm0dcyxy9597x927fx0wzu75nns5lsm2452k

  • XgWbWpuyPGney7hcS9vZ7eNhkj7WcvGcj8

  • DPcSSyFAYLu4aEB4s1Yotb8ANwtx6bZEQG

  • 0xb899fC445a1b61Cdd62266795193203aa72351fE

  • LRDpmP5wHZ82LZimzWDLHVqJPDSpkM1gZ7

  • r1eZ7W1fmUT9tiUZwK6rr3g6RNiE4QpU1

  • TBdEh7r35ywUD5omutc2kDTX7rXhnFkxy5

  • t1T7mBRBgTYPEL9RPPBnAVgcftiWUPBFWyy

  • AGUqhQzF52Qwbvun5wQSrpokPtCC4b9yiX

  • bitcoincash:qpzj59cm0dcyxy9597x927fx0wzu75nns5lsm2452k

  • 4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK

  • GCVFMTUKNLFBGHE3AHRJH4IJDRZGWOJ6JD2FQTFQAAIQR64ALD7QJHUY

  • bnb1rcg9mnkzna2tw4u8ughyaj6ja8feyj87hss9ky

  • bc1qzs2hs5dvyx04h0erq4ea72sctcre2rcwadsq2v

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • Phorphiex

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

  • Windows security bypass 2 TTPs 12 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 7 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de3317c552ada9ecd8833549010fd97147a64c63d2bc55aba814acd65e7189c9.exe
    "C:\Users\Admin\AppData\Local\Temp\de3317c552ada9ecd8833549010fd97147a64c63d2bc55aba814acd65e7189c9.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:868
    • C:\Windows\405006066094030\winsvcs.exe
      C:\Windows\405006066094030\winsvcs.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Windows security bypass
      • Executes dropped EXE
      • Checks computer location settings
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5028
      • C:\Users\Admin\AppData\Local\Temp\3667337065.exe
        C:\Users\Admin\AppData\Local\Temp\3667337065.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:5104
        • C:\Windows\winrecsv.exe
          C:\Windows\winrecsv.exe
          4⤵
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          PID:4620
      • C:\Users\Admin\AppData\Local\Temp\3679937881.exe
        C:\Users\Admin\AppData\Local\Temp\3679937881.exe
        3⤵
        • Executes dropped EXE
        PID:4492
      • C:\Users\Admin\AppData\Local\Temp\3140438596.exe
        C:\Users\Admin\AppData\Local\Temp\3140438596.exe
        3⤵
        • Executes dropped EXE
        PID:3872
      • C:\Users\Admin\AppData\Local\Temp\4263440023.exe
        C:\Users\Admin\AppData\Local\Temp\4263440023.exe
        3⤵
        • Executes dropped EXE
        PID:3188
      • C:\Users\Admin\AppData\Local\Temp\3560740492.exe
        C:\Users\Admin\AppData\Local\Temp\3560740492.exe
        3⤵
        • Executes dropped EXE
        PID:4752
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 868 -s 572
      2⤵
      • Program crash
      PID:5000
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 868 -ip 868
    1⤵
      PID:4952

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          3140438596.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3140438596.exe
          • Size 75KB
          • SHA256 22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092
          • MD5 SHA1 SHA512 SSDEEP

          3140438596.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3140438596.exe
          • Size 75KB
          • SHA256 22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092
          • MD5 SHA1 SHA512 SSDEEP

          3560740492.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3560740492.exe
          • Size 75KB
          • SHA256 22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092
          • MD5 SHA1 SHA512 SSDEEP

          3560740492.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3560740492.exe
          • Size 75KB
          • SHA256 22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092
          • MD5 SHA1 SHA512 SSDEEP

          3667337065.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3667337065.exe
          • Size 75KB
          • SHA256 22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092
          • MD5 SHA1 SHA512 SSDEEP

          3667337065.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3667337065.exe
          • Size 75KB
          • SHA256 22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092
          • MD5 SHA1 SHA512 SSDEEP

          3679937881.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3679937881.exe
          • Size 75KB
          • SHA256 22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092
          • MD5 SHA1 SHA512 SSDEEP

          3679937881.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3679937881.exe
          • Size 75KB
          • SHA256 22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092
          • MD5 SHA1 SHA512 SSDEEP

          4263440023.exe

          • Path C:\Users\Admin\AppData\Local\Temp\4263440023.exe
          • Size 75KB
          • SHA256 22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092
          • MD5 SHA1 SHA512 SSDEEP

          4263440023.exe

          • Path C:\Users\Admin\AppData\Local\Temp\4263440023.exe
          • Size 75KB
          • SHA256 22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092
          • MD5 SHA1 SHA512 SSDEEP

          winsvcs.exe

          • Path C:\Windows\405006066094030\winsvcs.exe
          • Size 227KB
          • SHA256 de3317c552ada9ecd8833549010fd97147a64c63d2bc55aba814acd65e7189c9
          • MD5 SHA1 SHA512 SSDEEP

          winsvcs.exe

          • Path C:\Windows\405006066094030\winsvcs.exe
          • Size 227KB
          • SHA256 de3317c552ada9ecd8833549010fd97147a64c63d2bc55aba814acd65e7189c9
          • MD5 SHA1 SHA512 SSDEEP

          winrecsv.exe

          • Path C:\Windows\winrecsv.exe
          • Size 75KB
          • SHA256 22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092
          • MD5 SHA1 SHA512 SSDEEP

          winrecsv.exe

          • Path C:\Windows\winrecsv.exe
          • Size 75KB
          • SHA256 22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092
          • MD5 SHA1 SHA512 SSDEEP

          memory/868-142-0x00000000004E6000-0x00000000004EB000-memory.dmp

          memory/868-132-0x0000000000400000-0x0000000000445000-memory.dmp

          memory/868-141-0x0000000000400000-0x0000000000445000-memory.dmp

          memory/868-135-0x0000000000400000-0x0000000000445000-memory.dmp

          memory/868-134-0x00000000004E6000-0x00000000004EB000-memory.dmp

          memory/868-133-0x00000000004E6000-0x00000000004EB000-memory.dmp

          memory/5028-145-0x0000000000400000-0x0000000000445000-memory.dmp

          memory/5028-144-0x0000000000400000-0x0000000000445000-memory.dmp

          memory/5028-143-0x00000000004C5000-0x00000000004CA000-memory.dmp

          memory/5028-140-0x00000000004C5000-0x00000000004CA000-memory.dmp

          memory/5028-139-0x0000000000400000-0x0000000000445000-memory.dmp