Analysis

  • max time kernel
    153s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 17:51

General

  • Target

    e3c4586bf39ea12a187e4259b29fcbbd9849b351d2655abed35780f7437907d6.exe

  • Size

    82KB

  • MD5

    df633f706650a4903a63a43b35cf9452

  • SHA1

    36c823faa697941c6d02ed0d424e9b842e8906e5

  • SHA256

    e3c4586bf39ea12a187e4259b29fcbbd9849b351d2655abed35780f7437907d6

  • SHA512

    e7af1210acac41e73915a3c56ba1bd9f5059c6388a8bc63e8fc79b034207d7c6c3db54d80ec6adf3311d480b1c00ec8cc118422aceb98127e68093e359ddd466

  • SSDEEP

    1536:H2fwoPQ87fs6QJ8nebN5BfLn9o9r++nu8X/phR0p8/Q:gHC8ebNbfZo9rfpPphY8/Q

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e3c4586bf39ea12a187e4259b29fcbbd9849b351d2655abed35780f7437907d6.exe
    "C:\Users\Admin\AppData\Local\Temp\e3c4586bf39ea12a187e4259b29fcbbd9849b351d2655abed35780f7437907d6.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1028
    • C:\Users\Admin\AppData\Local\Temp\torch.exe
      "C:\Users\Admin\AppData\Local\Temp\torch.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2028
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\torch.exe" "torch.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:2036

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    82KB

    MD5

    df633f706650a4903a63a43b35cf9452

    SHA1

    36c823faa697941c6d02ed0d424e9b842e8906e5

    SHA256

    e3c4586bf39ea12a187e4259b29fcbbd9849b351d2655abed35780f7437907d6

    SHA512

    e7af1210acac41e73915a3c56ba1bd9f5059c6388a8bc63e8fc79b034207d7c6c3db54d80ec6adf3311d480b1c00ec8cc118422aceb98127e68093e359ddd466

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

    82KB

    MD5

    df633f706650a4903a63a43b35cf9452

    SHA1

    36c823faa697941c6d02ed0d424e9b842e8906e5

    SHA256

    e3c4586bf39ea12a187e4259b29fcbbd9849b351d2655abed35780f7437907d6

    SHA512

    e7af1210acac41e73915a3c56ba1bd9f5059c6388a8bc63e8fc79b034207d7c6c3db54d80ec6adf3311d480b1c00ec8cc118422aceb98127e68093e359ddd466

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

    82KB

    MD5

    df633f706650a4903a63a43b35cf9452

    SHA1

    36c823faa697941c6d02ed0d424e9b842e8906e5

    SHA256

    e3c4586bf39ea12a187e4259b29fcbbd9849b351d2655abed35780f7437907d6

    SHA512

    e7af1210acac41e73915a3c56ba1bd9f5059c6388a8bc63e8fc79b034207d7c6c3db54d80ec6adf3311d480b1c00ec8cc118422aceb98127e68093e359ddd466

  • memory/1028-54-0x0000000075071000-0x0000000075073000-memory.dmp
    Filesize

    8KB

  • memory/1028-55-0x0000000073F70000-0x000000007451B000-memory.dmp
    Filesize

    5.7MB

  • memory/1028-61-0x0000000073F70000-0x000000007451B000-memory.dmp
    Filesize

    5.7MB

  • memory/2028-57-0x0000000000000000-mapping.dmp
  • memory/2028-64-0x0000000073F70000-0x000000007451B000-memory.dmp
    Filesize

    5.7MB

  • memory/2028-65-0x0000000073F70000-0x000000007451B000-memory.dmp
    Filesize

    5.7MB

  • memory/2036-62-0x0000000000000000-mapping.dmp