Resubmissions

19-01-2022 16:33

220119-t2qk5abeck 10

25-11-2021 12:40

211125-pv9m7sfbhq 8

Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    25-11-2021 12:40

General

  • Target

    716ce7fe411f352686b4071074aa96e1456ab7a67445b3cf1c475e18a4e5ac25.exe

  • Size

    7.5MB

  • MD5

    4ec77eb8280485764b6bc22f6cf7d57e

  • SHA1

    85215638743eeb6800aaada5d057e96032db6906

  • SHA256

    716ce7fe411f352686b4071074aa96e1456ab7a67445b3cf1c475e18a4e5ac25

  • SHA512

    770b14b133ac0a7bfee3a973d43a5342cd021a731f1be4d557a332aa4945dbb9be6b25909291feeb766c3fd640ff943780d4172e2fe6f6c77a128585e7914954

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 11 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Drops file in Windows directory 11 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\716ce7fe411f352686b4071074aa96e1456ab7a67445b3cf1c475e18a4e5ac25.exe
    "C:\Users\Admin\AppData\Local\Temp\716ce7fe411f352686b4071074aa96e1456ab7a67445b3cf1c475e18a4e5ac25.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:764
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\JDesktop Integration Components (JDIC) Project\JDesktop Tools 3.4.0.2\install\0CE0CF4\adv.msi" AI_SETUPEXEPATH=C:\Users\Admin\AppData\Local\Temp\716ce7fe411f352686b4071074aa96e1456ab7a67445b3cf1c475e18a4e5ac25.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ EXE_CMD_LINE="/exenoupdates /forcecleanup /wintime 1637584428 " AI_EUIMSI=""
      2⤵
      • Blocklisted process makes network request
      • Enumerates connected drives
      • Suspicious use of FindShellTrayWindow
      PID:1152
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 865CF8C0C1FC5176321C4E3CDB18313F C
      2⤵
      • Loads dropped DLL
      PID:2008
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 2E2A330396B420D98E5FB71502B1D454
      2⤵
      • Loads dropped DLL
      PID:1820
    • C:\Users\Admin\AppData\Roaming\JDesktop Integration Components (JDIC) Project\JDesktop Tools\plcd-player.exe
      "C:\Users\Admin\AppData\Roaming\JDesktop Integration Components (JDIC) Project\JDesktop Tools\plcd-player.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1600

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/764-55-0x0000000076A21000-0x0000000076A23000-memory.dmp

    Filesize

    8KB

  • memory/1888-58-0x000007FEFC3C1000-0x000007FEFC3C3000-memory.dmp

    Filesize

    8KB