Analysis

  • max time kernel
    78s
  • max time network
    104s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 19:10

General

  • Target

    0f7fd979073bae9a08c0dad21fa4408e1ff83b4ea8d6cc1178d5f03db44d85b9.exe

  • Size

    96KB

  • MD5

    44263a40c05bd699278669879bc48400

  • SHA1

    ad63fbe8a0574618fe054ad5af736c0e1f307d57

  • SHA256

    0f7fd979073bae9a08c0dad21fa4408e1ff83b4ea8d6cc1178d5f03db44d85b9

  • SHA512

    3606aae76d1f9a6957f5abbdcecf0c20371297af5276163cb90759eb1e5d4942ff910d6f852ab6e9fe967af4f3dce54db0706c7644095f152489fcb96db534f3

  • SSDEEP

    1536:eLHM8BA4FC1uuo3pRGtqcyNl9kJw0w0WxIC98m4v0Omt7clhPiacslt35GWNps:x8/3pYaNMJw0JWxIC9Y7Pcslt35HN6

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 2 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer Phishing Filter 1 TTPs 4 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f7fd979073bae9a08c0dad21fa4408e1ff83b4ea8d6cc1178d5f03db44d85b9.exe
    "C:\Users\Admin\AppData\Local\Temp\0f7fd979073bae9a08c0dad21fa4408e1ff83b4ea8d6cc1178d5f03db44d85b9.exe"
    1⤵
    • Modifies firewall policy service
    • UAC bypass
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Modifies Internet Explorer Phishing Filter
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1676
    • C:\Windows\SysWOW64\shutdown.exe
      "C:\Windows\System32\shutdown.exe" -r -f -t 600
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:920

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/920-58-0x0000000000000000-mapping.dmp

  • memory/1676-57-0x0000000075B11000-0x0000000075B13000-memory.dmp

    Filesize

    8KB