Analysis

  • max time kernel
    159s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-10-2022 22:13

General

  • Target

    a48ee8ffa139b2e35437dbead32fb73859f876939a597cbe00380a56fbbc278d.exe

  • Size

    38KB

  • MD5

    83afa33b3a5c9eaf2ca4d729e5b226b4

  • SHA1

    7e4ef8c599b1d8ba61cd6f7bb42cdeabc4d1e541

  • SHA256

    a48ee8ffa139b2e35437dbead32fb73859f876939a597cbe00380a56fbbc278d

  • SHA512

    a1b1bee07caed835656af58d33ed5a554bb2ed8d6a3c0c77e32e4457898e2fc4f096f89ff8be42dbfb26f46886e839aa5238bc82cd8c97beee7433b46a35943a

  • SSDEEP

    768:/IU89GioLcKqgrTr19bWXB6hN5QpBryb0A4TDQnOA:189GQKJ6McfryAT

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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a48ee8ffa139b2e35437dbead32fb73859f876939a597cbe00380a56fbbc278d.exe
    "C:\Users\Admin\AppData\Local\Temp\a48ee8ffa139b2e35437dbead32fb73859f876939a597cbe00380a56fbbc278d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2880
    • 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:2224
      • 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:3440

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    38KB

    MD5

    83afa33b3a5c9eaf2ca4d729e5b226b4

    SHA1

    7e4ef8c599b1d8ba61cd6f7bb42cdeabc4d1e541

    SHA256

    a48ee8ffa139b2e35437dbead32fb73859f876939a597cbe00380a56fbbc278d

    SHA512

    a1b1bee07caed835656af58d33ed5a554bb2ed8d6a3c0c77e32e4457898e2fc4f096f89ff8be42dbfb26f46886e839aa5238bc82cd8c97beee7433b46a35943a

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

    Filesize

    38KB

    MD5

    83afa33b3a5c9eaf2ca4d729e5b226b4

    SHA1

    7e4ef8c599b1d8ba61cd6f7bb42cdeabc4d1e541

    SHA256

    a48ee8ffa139b2e35437dbead32fb73859f876939a597cbe00380a56fbbc278d

    SHA512

    a1b1bee07caed835656af58d33ed5a554bb2ed8d6a3c0c77e32e4457898e2fc4f096f89ff8be42dbfb26f46886e839aa5238bc82cd8c97beee7433b46a35943a

  • memory/2224-138-0x0000000074BF0000-0x00000000751A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2224-139-0x0000000074BF0000-0x00000000751A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2880-132-0x0000000074BF0000-0x00000000751A1000-memory.dmp

    Filesize

    5.7MB

  • memory/2880-136-0x0000000074BF0000-0x00000000751A1000-memory.dmp

    Filesize

    5.7MB