Analysis

  • max time kernel
    136s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2022 23:04

General

  • Target

    0efd1e929bec4a98509753175bdb2bd854254a6186a20810cc69a02162dc561a.exe

  • Size

    26KB

  • MD5

    83b79a3a4a1a197c823f2b14d34d3e98

  • SHA1

    612f0834d6e83b9187c028672c6e45efe1385d2e

  • SHA256

    0efd1e929bec4a98509753175bdb2bd854254a6186a20810cc69a02162dc561a

  • SHA512

    8b6e791dcebddeebec6c3eb33dbd92f762f977b577ab9ffe892818e445b7f8fcbfb01e8efb1e16dba0fbba5cfa1e244c9cbf07909b4f56a6687f6bceec3b132d

  • SSDEEP

    384:iiB7gu/prPt0+EmT0xQfxud1ZmKAbN2W8HXVEu59uLS5U/ANpp4D2drezGKqnN/J:iifprh4xQfKZmPd8HXVEu5TWAUE/vOa

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0efd1e929bec4a98509753175bdb2bd854254a6186a20810cc69a02162dc561a.exe
    "C:\Users\Admin\AppData\Local\Temp\0efd1e929bec4a98509753175bdb2bd854254a6186a20810cc69a02162dc561a.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1384
    • 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:780
      • 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:948

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    26KB

    MD5

    83b79a3a4a1a197c823f2b14d34d3e98

    SHA1

    612f0834d6e83b9187c028672c6e45efe1385d2e

    SHA256

    0efd1e929bec4a98509753175bdb2bd854254a6186a20810cc69a02162dc561a

    SHA512

    8b6e791dcebddeebec6c3eb33dbd92f762f977b577ab9ffe892818e445b7f8fcbfb01e8efb1e16dba0fbba5cfa1e244c9cbf07909b4f56a6687f6bceec3b132d

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

    Filesize

    26KB

    MD5

    83b79a3a4a1a197c823f2b14d34d3e98

    SHA1

    612f0834d6e83b9187c028672c6e45efe1385d2e

    SHA256

    0efd1e929bec4a98509753175bdb2bd854254a6186a20810cc69a02162dc561a

    SHA512

    8b6e791dcebddeebec6c3eb33dbd92f762f977b577ab9ffe892818e445b7f8fcbfb01e8efb1e16dba0fbba5cfa1e244c9cbf07909b4f56a6687f6bceec3b132d

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

    Filesize

    26KB

    MD5

    83b79a3a4a1a197c823f2b14d34d3e98

    SHA1

    612f0834d6e83b9187c028672c6e45efe1385d2e

    SHA256

    0efd1e929bec4a98509753175bdb2bd854254a6186a20810cc69a02162dc561a

    SHA512

    8b6e791dcebddeebec6c3eb33dbd92f762f977b577ab9ffe892818e445b7f8fcbfb01e8efb1e16dba0fbba5cfa1e244c9cbf07909b4f56a6687f6bceec3b132d

  • memory/780-63-0x0000000074EC0000-0x000000007546B000-memory.dmp

    Filesize

    5.7MB

  • memory/780-65-0x0000000074EC0000-0x000000007546B000-memory.dmp

    Filesize

    5.7MB

  • memory/1384-54-0x0000000076701000-0x0000000076703000-memory.dmp

    Filesize

    8KB

  • memory/1384-55-0x0000000074EC0000-0x000000007546B000-memory.dmp

    Filesize

    5.7MB

  • memory/1384-62-0x0000000074EC0000-0x000000007546B000-memory.dmp

    Filesize

    5.7MB