Analysis

  • max time kernel
    189s
  • max time network
    187s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 03:22

General

  • Target

    c04a2b4326fb00c59056100a6fd47b84ca026e4a7cd737a517183b959e27999a.exe

  • Size

    308KB

  • MD5

    0f53a0fd64fb5846e9fb7a4d46351f44

  • SHA1

    5b1338e737a5eafeadfdad442b34ebb9ec4a6c14

  • SHA256

    c04a2b4326fb00c59056100a6fd47b84ca026e4a7cd737a517183b959e27999a

  • SHA512

    2799edafd745316be2f079ad749533f3f4b4fa2e2d83fcb7603cff1048237a56e5705f6b6d22f4612cad273b8c57d1cc7f8a51eeda3d55c3e0f35a818fd96da1

  • SSDEEP

    6144:1i0EDc6DTmfihzwoLApr8E8bHTTlK+effWfmqkE0d3:1RT6nfi8bHTCffWuCo

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 29 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c04a2b4326fb00c59056100a6fd47b84ca026e4a7cd737a517183b959e27999a.exe
    "C:\Users\Admin\AppData\Local\Temp\c04a2b4326fb00c59056100a6fd47b84ca026e4a7cd737a517183b959e27999a.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Users\Admin\xkfid.exe
      "C:\Users\Admin\xkfid.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1912

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\xkfid.exe

    Filesize

    308KB

    MD5

    0f53a0fd64fb5846e9fb7a4d46351f44

    SHA1

    5b1338e737a5eafeadfdad442b34ebb9ec4a6c14

    SHA256

    c04a2b4326fb00c59056100a6fd47b84ca026e4a7cd737a517183b959e27999a

    SHA512

    2799edafd745316be2f079ad749533f3f4b4fa2e2d83fcb7603cff1048237a56e5705f6b6d22f4612cad273b8c57d1cc7f8a51eeda3d55c3e0f35a818fd96da1

  • C:\Users\Admin\xkfid.exe

    Filesize

    308KB

    MD5

    0f53a0fd64fb5846e9fb7a4d46351f44

    SHA1

    5b1338e737a5eafeadfdad442b34ebb9ec4a6c14

    SHA256

    c04a2b4326fb00c59056100a6fd47b84ca026e4a7cd737a517183b959e27999a

    SHA512

    2799edafd745316be2f079ad749533f3f4b4fa2e2d83fcb7603cff1048237a56e5705f6b6d22f4612cad273b8c57d1cc7f8a51eeda3d55c3e0f35a818fd96da1

  • \Users\Admin\xkfid.exe

    Filesize

    308KB

    MD5

    0f53a0fd64fb5846e9fb7a4d46351f44

    SHA1

    5b1338e737a5eafeadfdad442b34ebb9ec4a6c14

    SHA256

    c04a2b4326fb00c59056100a6fd47b84ca026e4a7cd737a517183b959e27999a

    SHA512

    2799edafd745316be2f079ad749533f3f4b4fa2e2d83fcb7603cff1048237a56e5705f6b6d22f4612cad273b8c57d1cc7f8a51eeda3d55c3e0f35a818fd96da1

  • \Users\Admin\xkfid.exe

    Filesize

    308KB

    MD5

    0f53a0fd64fb5846e9fb7a4d46351f44

    SHA1

    5b1338e737a5eafeadfdad442b34ebb9ec4a6c14

    SHA256

    c04a2b4326fb00c59056100a6fd47b84ca026e4a7cd737a517183b959e27999a

    SHA512

    2799edafd745316be2f079ad749533f3f4b4fa2e2d83fcb7603cff1048237a56e5705f6b6d22f4612cad273b8c57d1cc7f8a51eeda3d55c3e0f35a818fd96da1

  • memory/1488-56-0x0000000075F01000-0x0000000075F03000-memory.dmp

    Filesize

    8KB

  • memory/1488-65-0x0000000074221000-0x0000000074223000-memory.dmp

    Filesize

    8KB