Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-01-2024 21:38

General

  • Target

    cd53a1eb080ca977a40f0d2f33dea711ac0b6ed4fc0a6102fe64a2b41c91f7f2.exe

  • Size

    37KB

  • MD5

    e42eb443fd6bf40ef9d7f2bfc76a1acb

  • SHA1

    467365bb0ef682d45c3f1664edd1690d89d56abc

  • SHA256

    cd53a1eb080ca977a40f0d2f33dea711ac0b6ed4fc0a6102fe64a2b41c91f7f2

  • SHA512

    64521ad80f984166efbbd2b2357678a6956b13607da080c1ca7c04d466b1f643abcecb56e89da7a69c57cf3bfbc672e441c023503d3e3ab2c410548a4c55ed11

  • SSDEEP

    384:7R6Iiu5jtD+P3V+y0bzif2tH5ssumTErAF+rMRTyN/0L+EcoinblneHQM3epzXtq:lRmV10bzif2tSNmorM+rMRa8NubOt

Score
8/10

Malware Config

Signatures

  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops autorun.inf file 1 TTPs 5 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd53a1eb080ca977a40f0d2f33dea711ac0b6ed4fc0a6102fe64a2b41c91f7f2.exe
    "C:\Users\Admin\AppData\Local\Temp\cd53a1eb080ca977a40f0d2f33dea711ac0b6ed4fc0a6102fe64a2b41c91f7f2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4608
    • C:\Users\Admin\AppData\Roaming\svhost.exe
      "C:\Users\Admin\AppData\Roaming\svhost.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops autorun.inf file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4748
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svhost.exe" "svhost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1184

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\svhost.exe

    Filesize

    37KB

    MD5

    e42eb443fd6bf40ef9d7f2bfc76a1acb

    SHA1

    467365bb0ef682d45c3f1664edd1690d89d56abc

    SHA256

    cd53a1eb080ca977a40f0d2f33dea711ac0b6ed4fc0a6102fe64a2b41c91f7f2

    SHA512

    64521ad80f984166efbbd2b2357678a6956b13607da080c1ca7c04d466b1f643abcecb56e89da7a69c57cf3bfbc672e441c023503d3e3ab2c410548a4c55ed11

  • memory/4608-0-0x0000000074FF0000-0x00000000755A1000-memory.dmp

    Filesize

    5.7MB

  • memory/4608-1-0x0000000001920000-0x0000000001930000-memory.dmp

    Filesize

    64KB

  • memory/4608-2-0x0000000074FF0000-0x00000000755A1000-memory.dmp

    Filesize

    5.7MB

  • memory/4608-12-0x0000000074FF0000-0x00000000755A1000-memory.dmp

    Filesize

    5.7MB

  • memory/4748-13-0x0000000074FF0000-0x00000000755A1000-memory.dmp

    Filesize

    5.7MB

  • memory/4748-23-0x0000000074FF0000-0x00000000755A1000-memory.dmp

    Filesize

    5.7MB