Analysis

  • max time kernel
    151s
  • max time network
    101s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-09-2022 09:11

General

  • Target

    a8d0ac5762f61683d7cbcbfc53e0b650e632625d7ffabf08b45986908891ee96.exe

  • Size

    9KB

  • MD5

    fe304e909fb1f67c4d9030fc74d0a2f1

  • SHA1

    1102fb973b3b83bbd5749db3ceb9405443c09dfe

  • SHA256

    a8d0ac5762f61683d7cbcbfc53e0b650e632625d7ffabf08b45986908891ee96

  • SHA512

    46f797b30affdc7bc2291b2b1fb064246a7aa2359072380468abce1423b338859c0ad45b02c2dc5623d167ef51c65414e06890c7c9dfe4b9e305a0b70257f1aa

  • SSDEEP

    192:oeJbEZ11AsLvRP1oynfUOMNc1Fu669tk2Hv:BJwZ11T51BUOMNqF96s

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 6 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a8d0ac5762f61683d7cbcbfc53e0b650e632625d7ffabf08b45986908891ee96.exe
    "C:\Users\Admin\AppData\Local\Temp\a8d0ac5762f61683d7cbcbfc53e0b650e632625d7ffabf08b45986908891ee96.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Users\Admin\AppData\Local\Temp\155217673.scr
      C:\Users\Admin\AppData\Local\Temp\155217673.scr
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:304
      • C:\Windows\winuedrvs.exe
        C:\Windows\winuedrvs.exe
        3⤵
        • Windows security bypass
        • Executes dropped EXE
        • Loads dropped DLL
        • Windows security modification
        • Suspicious use of WriteProcessMemory
        PID:1068
        • C:\Users\Admin\AppData\Local\Temp\34748149.exe
          C:\Users\Admin\AppData\Local\Temp\34748149.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1940
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "User Configuration" /f
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1724
            • C:\Windows\system32\reg.exe
              reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "User Configuration" /f
              6⤵
                PID:1900
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "User Configuration"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:436
              • C:\Windows\system32\schtasks.exe
                schtasks /delete /f /tn "User Configuration"
                6⤵
                  PID:796
            • C:\Users\Admin\AppData\Local\Temp\222168598.exe
              C:\Users\Admin\AppData\Local\Temp\222168598.exe
              4⤵
              • Executes dropped EXE
              PID:1600

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Disabling Security Tools

      2
      T1089

      Modify Registry

      3
      T1112

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\155217673.scr
        Filesize

        75KB

        MD5

        96de9c78028eaec7cd06d8e3e755ffc4

        SHA1

        612d1261bce41723b0a981c92bf9f186c9d46fe2

        SHA256

        d560cfb59c61c87d0d4b33aecc98b74c58475c6dd8a3cf6f3bcff2ee05d4c45f

        SHA512

        5906efdbf22af2ca3dc9f75accb4bb1f50ad0ddd792a14f5f891975a8e2b5632ce9e7e0e987b216851fef66a4e9bf9c03d847631093382dae79d0d132a41264f

      • C:\Users\Admin\AppData\Local\Temp\155217673.scr
        Filesize

        75KB

        MD5

        96de9c78028eaec7cd06d8e3e755ffc4

        SHA1

        612d1261bce41723b0a981c92bf9f186c9d46fe2

        SHA256

        d560cfb59c61c87d0d4b33aecc98b74c58475c6dd8a3cf6f3bcff2ee05d4c45f

        SHA512

        5906efdbf22af2ca3dc9f75accb4bb1f50ad0ddd792a14f5f891975a8e2b5632ce9e7e0e987b216851fef66a4e9bf9c03d847631093382dae79d0d132a41264f

      • C:\Users\Admin\AppData\Local\Temp\222168598.exe
        Filesize

        6KB

        MD5

        f99a026691957a1490c606890021a4db

        SHA1

        4eca65b16ce9b8284f3fc54344f8ae15b406b4e1

        SHA256

        db23276681cfb7d843bfc35b96e40dcb77b3bafcb87aa211d3fa6910da6937bd

        SHA512

        e4d9f869e4c12667a91af5792213350b9205a6fd3a2175e3af39571f2066ffa6a4b398a010497f428310b91033b4d5555835ede6669793f5cfd79ae47321421f

      • C:\Users\Admin\AppData\Local\Temp\34748149.exe
        Filesize

        8KB

        MD5

        66bbb99fb92a3688d31a899992f73cdf

        SHA1

        836fad08d9de8ea28c35d1885496af8e1284a6e7

        SHA256

        1d6be0622c56551a30c4bf5560050b226ff0f30dc2c05c5496e389efe51c62b6

        SHA512

        6a710765a53d68f1ab91b460dc16b59e273b1ddab43df01886d5ffd54d35c06f399038a6bb07b63d59933ed3c190d00ba9b59506cd0cd94fbb6ea0949d92ca36

      • C:\Users\Admin\AppData\Local\Temp\34748149.exe
        Filesize

        8KB

        MD5

        66bbb99fb92a3688d31a899992f73cdf

        SHA1

        836fad08d9de8ea28c35d1885496af8e1284a6e7

        SHA256

        1d6be0622c56551a30c4bf5560050b226ff0f30dc2c05c5496e389efe51c62b6

        SHA512

        6a710765a53d68f1ab91b460dc16b59e273b1ddab43df01886d5ffd54d35c06f399038a6bb07b63d59933ed3c190d00ba9b59506cd0cd94fbb6ea0949d92ca36

      • C:\Windows\winuedrvs.exe
        Filesize

        75KB

        MD5

        96de9c78028eaec7cd06d8e3e755ffc4

        SHA1

        612d1261bce41723b0a981c92bf9f186c9d46fe2

        SHA256

        d560cfb59c61c87d0d4b33aecc98b74c58475c6dd8a3cf6f3bcff2ee05d4c45f

        SHA512

        5906efdbf22af2ca3dc9f75accb4bb1f50ad0ddd792a14f5f891975a8e2b5632ce9e7e0e987b216851fef66a4e9bf9c03d847631093382dae79d0d132a41264f

      • C:\Windows\winuedrvs.exe
        Filesize

        75KB

        MD5

        96de9c78028eaec7cd06d8e3e755ffc4

        SHA1

        612d1261bce41723b0a981c92bf9f186c9d46fe2

        SHA256

        d560cfb59c61c87d0d4b33aecc98b74c58475c6dd8a3cf6f3bcff2ee05d4c45f

        SHA512

        5906efdbf22af2ca3dc9f75accb4bb1f50ad0ddd792a14f5f891975a8e2b5632ce9e7e0e987b216851fef66a4e9bf9c03d847631093382dae79d0d132a41264f

      • \Users\Admin\AppData\Local\Temp\155217673.scr
        Filesize

        75KB

        MD5

        96de9c78028eaec7cd06d8e3e755ffc4

        SHA1

        612d1261bce41723b0a981c92bf9f186c9d46fe2

        SHA256

        d560cfb59c61c87d0d4b33aecc98b74c58475c6dd8a3cf6f3bcff2ee05d4c45f

        SHA512

        5906efdbf22af2ca3dc9f75accb4bb1f50ad0ddd792a14f5f891975a8e2b5632ce9e7e0e987b216851fef66a4e9bf9c03d847631093382dae79d0d132a41264f

      • \Users\Admin\AppData\Local\Temp\155217673.scr
        Filesize

        75KB

        MD5

        96de9c78028eaec7cd06d8e3e755ffc4

        SHA1

        612d1261bce41723b0a981c92bf9f186c9d46fe2

        SHA256

        d560cfb59c61c87d0d4b33aecc98b74c58475c6dd8a3cf6f3bcff2ee05d4c45f

        SHA512

        5906efdbf22af2ca3dc9f75accb4bb1f50ad0ddd792a14f5f891975a8e2b5632ce9e7e0e987b216851fef66a4e9bf9c03d847631093382dae79d0d132a41264f

      • \Users\Admin\AppData\Local\Temp\222168598.exe
        Filesize

        6KB

        MD5

        f99a026691957a1490c606890021a4db

        SHA1

        4eca65b16ce9b8284f3fc54344f8ae15b406b4e1

        SHA256

        db23276681cfb7d843bfc35b96e40dcb77b3bafcb87aa211d3fa6910da6937bd

        SHA512

        e4d9f869e4c12667a91af5792213350b9205a6fd3a2175e3af39571f2066ffa6a4b398a010497f428310b91033b4d5555835ede6669793f5cfd79ae47321421f

      • \Users\Admin\AppData\Local\Temp\34748149.exe
        Filesize

        8KB

        MD5

        66bbb99fb92a3688d31a899992f73cdf

        SHA1

        836fad08d9de8ea28c35d1885496af8e1284a6e7

        SHA256

        1d6be0622c56551a30c4bf5560050b226ff0f30dc2c05c5496e389efe51c62b6

        SHA512

        6a710765a53d68f1ab91b460dc16b59e273b1ddab43df01886d5ffd54d35c06f399038a6bb07b63d59933ed3c190d00ba9b59506cd0cd94fbb6ea0949d92ca36

      • memory/304-57-0x0000000000000000-mapping.dmp
      • memory/436-73-0x0000000000000000-mapping.dmp
      • memory/796-74-0x0000000000000000-mapping.dmp
      • memory/1068-61-0x0000000000000000-mapping.dmp
      • memory/1416-54-0x0000000075E81000-0x0000000075E83000-memory.dmp
        Filesize

        8KB

      • memory/1600-76-0x0000000000000000-mapping.dmp
      • memory/1724-71-0x0000000000000000-mapping.dmp
      • memory/1900-72-0x0000000000000000-mapping.dmp
      • memory/1940-70-0x000007FEFB9F1000-0x000007FEFB9F3000-memory.dmp
        Filesize

        8KB

      • memory/1940-69-0x000000013FAA0000-0x000000013FAA6000-memory.dmp
        Filesize

        24KB

      • memory/1940-66-0x0000000000000000-mapping.dmp