Analysis

  • max time kernel
    171s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 08:43

General

  • Target

    e28cfd7aef8ae38135952c1ba27dbd51801da4c07835372fd386cab4d63246cd.exe

  • Size

    48KB

  • MD5

    cd5e33044d36cb14c0167c9a14f05d79

  • SHA1

    6e6bdf661c30a61c2cdc44d0f2ab4c3606975627

  • SHA256

    e28cfd7aef8ae38135952c1ba27dbd51801da4c07835372fd386cab4d63246cd

  • SHA512

    55cc6a9dbe897ff224c0853d28a25bca87fc20d5bc7ef15c638850248ffd0868df7d8e55b679b673a8045bd3d01440bd7b17862928457406f52813810372129d

  • SSDEEP

    768:lYjnd8qhYjHSu2UPmrW96Te2+p5U1R6HkjHXeqvtK18vEb1zjQNlunfHCCjPka46:Em6HJ0s5WF/QQHCCrk

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • 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
  • 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 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e28cfd7aef8ae38135952c1ba27dbd51801da4c07835372fd386cab4d63246cd.exe
    "C:\Users\Admin\AppData\Local\Temp\e28cfd7aef8ae38135952c1ba27dbd51801da4c07835372fd386cab4d63246cd.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3188
    • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      "C:\Users\Admin\AppData\Local\Temp\Trojan.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:1532
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4420

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

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    48KB

    MD5

    cd5e33044d36cb14c0167c9a14f05d79

    SHA1

    6e6bdf661c30a61c2cdc44d0f2ab4c3606975627

    SHA256

    e28cfd7aef8ae38135952c1ba27dbd51801da4c07835372fd386cab4d63246cd

    SHA512

    55cc6a9dbe897ff224c0853d28a25bca87fc20d5bc7ef15c638850248ffd0868df7d8e55b679b673a8045bd3d01440bd7b17862928457406f52813810372129d

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

    48KB

    MD5

    cd5e33044d36cb14c0167c9a14f05d79

    SHA1

    6e6bdf661c30a61c2cdc44d0f2ab4c3606975627

    SHA256

    e28cfd7aef8ae38135952c1ba27dbd51801da4c07835372fd386cab4d63246cd

    SHA512

    55cc6a9dbe897ff224c0853d28a25bca87fc20d5bc7ef15c638850248ffd0868df7d8e55b679b673a8045bd3d01440bd7b17862928457406f52813810372129d

  • memory/1532-133-0x0000000000000000-mapping.dmp
  • memory/1532-138-0x00000000751A0000-0x0000000075751000-memory.dmp
    Filesize

    5.7MB

  • memory/1532-139-0x00000000751A0000-0x0000000075751000-memory.dmp
    Filesize

    5.7MB

  • memory/3188-132-0x00000000751A0000-0x0000000075751000-memory.dmp
    Filesize

    5.7MB

  • memory/3188-136-0x00000000751A0000-0x0000000075751000-memory.dmp
    Filesize

    5.7MB

  • memory/4420-137-0x0000000000000000-mapping.dmp