Analysis

  • max time kernel
    87s
  • max time network
    96s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21-10-2022 16:52

General

  • Target

    c6b95535489c39f300913847787e90718b3ca12814eceb83a68113f68487d1d4.exe

  • Size

    1.4MB

  • MD5

    4a6f683017a0ebdb331567c11c82a900

  • SHA1

    db4bf2b739aa96dae00a4594c2866dae76cb39b8

  • SHA256

    c6b95535489c39f300913847787e90718b3ca12814eceb83a68113f68487d1d4

  • SHA512

    b3d735109c45d5d81a622cfcc42131fc0ee8d5564069bd34afb649b62e74566a7b20f64a785044d1e1b46061f9bb5bdbc6e537ae70c1fe751a549202c4b2bf04

  • SSDEEP

    24576:UNmF/mnBoDM5f7F2JQRKZk+61i5cCPWZj+VhL8OamPRKplJfVXT24WTEvzHJDsl:UYVZo5TcJQqk+61i5cYWZjSTDPYtfVj2

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Possible privilege escalation attempt 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 37 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6b95535489c39f300913847787e90718b3ca12814eceb83a68113f68487d1d4.exe
    "C:\Users\Admin\AppData\Local\Temp\c6b95535489c39f300913847787e90718b3ca12814eceb83a68113f68487d1d4.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Users\Admin\AppData\Local\Temp\ms.exe
      C:\Users\Admin\AppData\Local\Temp\ms.exe k
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1048
      • C:\Windows\system32\takeown.exe
        takeown /f "C:\WINDOWS\system32\Sens.dll"
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:1812
      • C:\Windows\system32\icacls.exe
        icacls "C:\WINDOWS\system32\Sens.dll" /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:1820

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Permissions Modification

1
T1222

Discovery

Query Registry

1
T1012

Replay Monitor

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Downloads

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

    424KB

    MD5

    a6c6dc74d7f061d01ef9b2cc4451a760

    SHA1

    46158a4b95126d95e0187ce066126c9482b44568

    SHA256

    c63e23d1efe9bbb79cb80def879c087fafe4ee4dfb4e8918cb0bc9ac72db0915

    SHA512

    800236114c6f9a5a25b425a2ba1f118250b6ecc7d935fa980b2e9408c0d8d1991c2be5fc698ca951375c0fb0d79edd878c323bd230bb7084c2fe7f1362deb3bd

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

    424KB

    MD5

    a6c6dc74d7f061d01ef9b2cc4451a760

    SHA1

    46158a4b95126d95e0187ce066126c9482b44568

    SHA256

    c63e23d1efe9bbb79cb80def879c087fafe4ee4dfb4e8918cb0bc9ac72db0915

    SHA512

    800236114c6f9a5a25b425a2ba1f118250b6ecc7d935fa980b2e9408c0d8d1991c2be5fc698ca951375c0fb0d79edd878c323bd230bb7084c2fe7f1362deb3bd

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

    424KB

    MD5

    a6c6dc74d7f061d01ef9b2cc4451a760

    SHA1

    46158a4b95126d95e0187ce066126c9482b44568

    SHA256

    c63e23d1efe9bbb79cb80def879c087fafe4ee4dfb4e8918cb0bc9ac72db0915

    SHA512

    800236114c6f9a5a25b425a2ba1f118250b6ecc7d935fa980b2e9408c0d8d1991c2be5fc698ca951375c0fb0d79edd878c323bd230bb7084c2fe7f1362deb3bd

  • memory/1048-56-0x0000000000000000-mapping.dmp
  • memory/1648-54-0x0000000076121000-0x0000000076123000-memory.dmp
    Filesize

    8KB

  • memory/1812-60-0x0000000000000000-mapping.dmp
  • memory/1820-61-0x0000000000000000-mapping.dmp