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Analysis

  • max time kernel
    151s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28/10/2022, 19:51

General

  • Target

    d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a.exe

  • Size

    311KB

  • MD5

    0bcdbfdc66ce046ab767dad307077ce0

  • SHA1

    00c91667408c4540223fb4e867b6212ccdf91151

  • SHA256

    d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a

  • SHA512

    0e9a523c6684dbe4133d27045d30223cd1299e6fff6d36a128b09d208f9477eb19464064296c01113e0b363e4a076643502cf6f0ca933af3aa09ac054397f2e1

  • SSDEEP

    6144:lZMDl+rVwlMu9O2Q72iWTzAt2t3NYXtzAbxWpfO:lZm+rVwH9+SXAt2/xWpfO

Malware Config

Signatures

  • Gh0st RAT payload 5 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a.exe
    "C:\Users\Admin\AppData\Local\Temp\d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1348
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\D727CD~1.EXE > nul
      2⤵
      • Deletes itself
      PID:1960
  • C:\Windows\SysWOW64\svchest.exe
    C:\Windows\SysWOW64\svchest.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:2032

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\svchest.exe

    Filesize

    311KB

    MD5

    0bcdbfdc66ce046ab767dad307077ce0

    SHA1

    00c91667408c4540223fb4e867b6212ccdf91151

    SHA256

    d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a

    SHA512

    0e9a523c6684dbe4133d27045d30223cd1299e6fff6d36a128b09d208f9477eb19464064296c01113e0b363e4a076643502cf6f0ca933af3aa09ac054397f2e1

  • C:\Windows\SysWOW64\svchest.exe

    Filesize

    311KB

    MD5

    0bcdbfdc66ce046ab767dad307077ce0

    SHA1

    00c91667408c4540223fb4e867b6212ccdf91151

    SHA256

    d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a

    SHA512

    0e9a523c6684dbe4133d27045d30223cd1299e6fff6d36a128b09d208f9477eb19464064296c01113e0b363e4a076643502cf6f0ca933af3aa09ac054397f2e1

  • \Users\Admin\AppData\Local\Temp\rzkFEAA.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • \Windows\Temp\ack1804.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • memory/1348-57-0x0000000001DA0000-0x0000000001E13000-memory.dmp

    Filesize

    460KB

  • memory/1348-54-0x0000000075601000-0x0000000075603000-memory.dmp

    Filesize

    8KB

  • memory/1348-56-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/1348-63-0x0000000001DA0000-0x0000000001E13000-memory.dmp

    Filesize

    460KB

  • memory/2032-64-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2032-65-0x0000000000430000-0x00000000004A3000-memory.dmp

    Filesize

    460KB

  • memory/2032-66-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/2032-67-0x0000000000430000-0x00000000004A3000-memory.dmp

    Filesize

    460KB