Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/10/2022, 11:52

General

  • Target
    3f95af6c2c4f6b152276ad2160ee9dc09f32c9cee99a1215778102c1a1670b2c.exe
  • Size 254KB
  • Sample221006-n1qa3shcc8
  • SHA256 3f95af6c2c4f6b152276ad2160ee9dc09f32c9cee99a1215778102c1a1670b2c
  • 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

  • 43ABGVDKXksdy7UTP8aHqkRf4xAVDmKKXBYDRevAadwaLJhHzH4ubZHGLjVpLc5ZWk7TVmHbHHAWUBF78mx1YG4eNbww6fr

  • GCVFMTUKNLFBGHE3AHRJH4IJDRZGWOJ6JD2FQTFQAAIQR64ALD7QJHUY

  • bnb1rcg9mnkzna2tw4u8ughyaj6ja8feyj87hss9ky

  • bc1qzs2hs5dvyx04h0erq4ea72sctcre2rcwadsq2v

Signatures

  • 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 9 IoCs
  • Checks computer location settings 2 TTPs 2 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 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f95af6c2c4f6b152276ad2160ee9dc09f32c9cee99a1215778102c1a1670b2c.exe
    "C:\Users\Admin\AppData\Local\Temp\3f95af6c2c4f6b152276ad2160ee9dc09f32c9cee99a1215778102c1a1670b2c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5044
    • C:\Users\Admin\AppData\Local\Temp\646C.exe
      "C:\Users\Admin\AppData\Local\Temp\646C.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:544
      • C:\Users\Admin\AppData\Local\Temp\319176469.scr
        C:\Users\Admin\AppData\Local\Temp\319176469.scr
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4888
        • C:\Windows\winuedrvs.exe
          C:\Windows\winuedrvs.exe
          4⤵
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Suspicious use of WriteProcessMemory
          PID:4744
          • C:\Users\Admin\AppData\Local\Temp\197983589.exe
            C:\Users\Admin\AppData\Local\Temp\197983589.exe
            5⤵
            • Executes dropped EXE
            • Checks computer location settings
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1300
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "User Configuration" /f
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:4424
              • C:\Windows\system32\reg.exe
                reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "User Configuration" /f
                7⤵
                  PID:5084
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "User Configuration"
                6⤵
                • Suspicious use of WriteProcessMemory
                PID:3664
                • C:\Windows\system32\schtasks.exe
                  schtasks /delete /f /tn "User Configuration"
                  7⤵
                    PID:5104
              • C:\Users\Admin\AppData\Local\Temp\1196024205.exe
                C:\Users\Admin\AppData\Local\Temp\1196024205.exe
                5⤵
                • Executes dropped EXE
                PID:1656
              • C:\Users\Admin\AppData\Local\Temp\3315218173.exe
                C:\Users\Admin\AppData\Local\Temp\3315218173.exe
                5⤵
                • Executes dropped EXE
                • Adds Run key to start application
                • Drops file in Windows directory
                • Suspicious use of WriteProcessMemory
                PID:3036
                • C:\Windows\sysrdsvms.exe
                  C:\Windows\sysrdsvms.exe
                  6⤵
                  • Windows security bypass
                  • Executes dropped EXE
                  • Windows security modification
                  • Suspicious use of WriteProcessMemory
                  PID:3336
                  • C:\Users\Admin\AppData\Local\Temp\270961875.exe
                    C:\Users\Admin\AppData\Local\Temp\270961875.exe
                    7⤵
                    • Executes dropped EXE
                    • Checks computer location settings
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    PID:3112
                    • C:\Windows\System32\cmd.exe
                      "C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "User Configuration" /f
                      8⤵
                      • Suspicious use of WriteProcessMemory
                      PID:3080
                      • C:\Windows\system32\reg.exe
                        reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "User Configuration" /f
                        9⤵
                          PID:4596
                      • C:\Windows\System32\cmd.exe
                        "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "User Configuration"
                        8⤵
                        • Suspicious use of WriteProcessMemory
                        PID:2664
                        • C:\Windows\system32\schtasks.exe
                          schtasks /delete /f /tn "User Configuration"
                          9⤵
                            PID:4068
                      • C:\Users\Admin\AppData\Local\Temp\2515525041.exe
                        C:\Users\Admin\AppData\Local\Temp\2515525041.exe
                        7⤵
                        • Executes dropped EXE
                        PID:3404

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                Downloads

                1[1]

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\26HZJLHZ\1[1]
                • Size 8KB
                • SHA256 8f7fce104fa87321cd25d98bd3b26579eedd314487369d7e18a9009f5fb7b5a6
                • MD5 SHA1 SHA512 SSDEEP

                2[1]

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\48VMALJK\2[1]
                • Size 6KB
                • SHA256 74769851ee802da9f7fce48c4dfadc1fb55fbdf99affa309b76050cb52c3afac
                • MD5 SHA1 SHA512 SSDEEP

                1196024205.exe

                • Path C:\Users\Admin\AppData\Local\Temp\1196024205.exe
                • Size 6KB
                • SHA256 db23276681cfb7d843bfc35b96e40dcb77b3bafcb87aa211d3fa6910da6937bd
                • MD5 SHA1 SHA512 SSDEEP

                1196024205.exe

                • Path C:\Users\Admin\AppData\Local\Temp\1196024205.exe
                • Size 6KB
                • SHA256 db23276681cfb7d843bfc35b96e40dcb77b3bafcb87aa211d3fa6910da6937bd
                • MD5 SHA1 SHA512 SSDEEP

                197983589.exe

                • Path C:\Users\Admin\AppData\Local\Temp\197983589.exe
                • Size 8KB
                • SHA256 1d6be0622c56551a30c4bf5560050b226ff0f30dc2c05c5496e389efe51c62b6
                • MD5 SHA1 SHA512 SSDEEP

                197983589.exe

                • Path C:\Users\Admin\AppData\Local\Temp\197983589.exe
                • Size 8KB
                • SHA256 1d6be0622c56551a30c4bf5560050b226ff0f30dc2c05c5496e389efe51c62b6
                • MD5 SHA1 SHA512 SSDEEP

                2515525041.exe

                • Path C:\Users\Admin\AppData\Local\Temp\2515525041.exe
                • Size 6KB
                • SHA256 db23276681cfb7d843bfc35b96e40dcb77b3bafcb87aa211d3fa6910da6937bd
                • MD5 SHA1 SHA512 SSDEEP

                2515525041.exe

                • Path C:\Users\Admin\AppData\Local\Temp\2515525041.exe
                • Size 6KB
                • SHA256 db23276681cfb7d843bfc35b96e40dcb77b3bafcb87aa211d3fa6910da6937bd
                • MD5 SHA1 SHA512 SSDEEP

                270961875.exe

                • Path C:\Users\Admin\AppData\Local\Temp\270961875.exe
                • Size 8KB
                • SHA256 1d6be0622c56551a30c4bf5560050b226ff0f30dc2c05c5496e389efe51c62b6
                • MD5 SHA1 SHA512 SSDEEP

                270961875.exe

                • Path C:\Users\Admin\AppData\Local\Temp\270961875.exe
                • Size 8KB
                • SHA256 1d6be0622c56551a30c4bf5560050b226ff0f30dc2c05c5496e389efe51c62b6
                • MD5 SHA1 SHA512 SSDEEP

                319176469.scr

                • Path C:\Users\Admin\AppData\Local\Temp\319176469.scr
                • Size 75KB
                • SHA256 d560cfb59c61c87d0d4b33aecc98b74c58475c6dd8a3cf6f3bcff2ee05d4c45f
                • MD5 SHA1 SHA512 SSDEEP

                319176469.scr

                • Path C:\Users\Admin\AppData\Local\Temp\319176469.scr
                • Size 75KB
                • SHA256 d560cfb59c61c87d0d4b33aecc98b74c58475c6dd8a3cf6f3bcff2ee05d4c45f
                • MD5 SHA1 SHA512 SSDEEP

                3315218173.exe

                • Path C:\Users\Admin\AppData\Local\Temp\3315218173.exe
                • Size 73KB
                • SHA256 93d7749054f314b948a99012fd930ea8a0c4124a72d98746bd21fcd17eb7219c
                • MD5 SHA1 SHA512 SSDEEP

                3315218173.exe

                • Path C:\Users\Admin\AppData\Local\Temp\3315218173.exe
                • Size 73KB
                • SHA256 93d7749054f314b948a99012fd930ea8a0c4124a72d98746bd21fcd17eb7219c
                • MD5 SHA1 SHA512 SSDEEP

                646C.exe

                • Path C:\Users\Admin\AppData\Local\Temp\646C.exe
                • Size 9KB
                • SHA256 a8d0ac5762f61683d7cbcbfc53e0b650e632625d7ffabf08b45986908891ee96
                • MD5 SHA1 SHA512 SSDEEP

                646C.exe

                • Path C:\Users\Admin\AppData\Local\Temp\646C.exe
                • Size 9KB
                • SHA256 a8d0ac5762f61683d7cbcbfc53e0b650e632625d7ffabf08b45986908891ee96
                • MD5 SHA1 SHA512 SSDEEP

                tncmds.dat

                • Path C:\Users\Admin\tncmds.dat
                • Size 299B
                • SHA256 896ce7dac39bb013ef24d3ad0aa67b7871ee676b0951613f9a0a31686adea34c
                • MD5 SHA1 SHA512

                tnnodes.dat

                • Path C:\Users\Admin\tnnodes.dat
                • Size 4KB
                • SHA256 e3daaacb553e2b7716de8438b8654e833d5736a8db90cd9c186e824e99bc1303
                • MD5 SHA1 SHA512

                sysrdsvms.exe

                • Path C:\Windows\sysrdsvms.exe
                • Size 73KB
                • SHA256 93d7749054f314b948a99012fd930ea8a0c4124a72d98746bd21fcd17eb7219c
                • MD5 SHA1 SHA512 SSDEEP

                sysrdsvms.exe

                • Path C:\Windows\sysrdsvms.exe
                • Size 73KB
                • SHA256 93d7749054f314b948a99012fd930ea8a0c4124a72d98746bd21fcd17eb7219c
                • MD5 SHA1 SHA512 SSDEEP

                winuedrvs.exe

                • Path C:\Windows\winuedrvs.exe
                • Size 75KB
                • SHA256 d560cfb59c61c87d0d4b33aecc98b74c58475c6dd8a3cf6f3bcff2ee05d4c45f
                • MD5 SHA1 SHA512 SSDEEP

                winuedrvs.exe

                • Path C:\Windows\winuedrvs.exe
                • Size 75KB
                • SHA256 d560cfb59c61c87d0d4b33aecc98b74c58475c6dd8a3cf6f3bcff2ee05d4c45f
                • MD5 SHA1 SHA512 SSDEEP

                memory/1300-150-0x00007FFEE7A10000-0x00007FFEE84D1000-memory.dmp

                memory/1300-148-0x00007FFEE7A10000-0x00007FFEE84D1000-memory.dmp

                memory/1300-144-0x00000000006F0000-0x00000000006F6000-memory.dmp

                memory/3112-171-0x00007FFEE7B30000-0x00007FFEE85F1000-memory.dmp

                memory/3112-164-0x00007FFEE7B30000-0x00007FFEE85F1000-memory.dmp