Analysis

  • max time kernel
    150s
  • max time network
    15s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    12/11/2020, 14:04

General

  • Target
    f9911b3afb169b55efa561019120d2a33ba6b1485fe70e16a70833725b6a3242.exe
  • Size 13.9MB
  • Sample201112-5gff8afpvs
  • SHA256 f9911b3afb169b55efa561019120d2a33ba6b1485fe70e16a70833725b6a3242
  • MD5 SHA1 SHA512
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 5 IoCs
  • Enumerates connected drives 3 TTPs 72 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • JavaScript code in executable 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 179 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9911b3afb169b55efa561019120d2a33ba6b1485fe70e16a70833725b6a3242.exe
    "C:\Users\Admin\AppData\Local\Temp\f9911b3afb169b55efa561019120d2a33ba6b1485fe70e16a70833725b6a3242.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\HyperSnap 8.15\HyperSnap 8.15 (X86) 8.15\install\HyperSnap 8.15 (X86).msi" AI_SETUPEXEPATH=C:\Users\Admin\AppData\Local\Temp\f9911b3afb169b55efa561019120d2a33ba6b1485fe70e16a70833725b6a3242.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ EXE_CMD_LINE="/exenoupdates "
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      PID:1728
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1444
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 332731BB9038F1DB9F8620CCDCC2B2F3 C
      2⤵
      • Loads dropped DLL
      PID:2000
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding E918291B5124494EC0856BFC5163B79F C
      2⤵
      • Loads dropped DLL
      PID:2044

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1724-0-0x0000000003890000-0x0000000003894000-memory.dmp

        memory/1724-5-0x0000000004770000-0x0000000004774000-memory.dmp

        memory/1724-4-0x0000000004770000-0x0000000004774000-memory.dmp

        memory/1724-2-0x0000000003A90000-0x0000000003A94000-memory.dmp

        memory/1724-1-0x0000000003890000-0x0000000003894000-memory.dmp

        memory/1728-12-0x0000000003240000-0x0000000003244000-memory.dmp