Analysis

  • max time kernel
    44s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 02:05

General

  • Target

    83b7f1b41ae2379abf8cecf94a949a9a57184c40fa3e053db2855ab2f32bfd65.exe

  • Size

    38KB

  • MD5

    e03461de7843d3e5f33d87f20a6ef854

  • SHA1

    ef9ac0970ab2f177c62b46809b97fad4fb7660a1

  • SHA256

    83b7f1b41ae2379abf8cecf94a949a9a57184c40fa3e053db2855ab2f32bfd65

  • SHA512

    3ea03a88689b5d3856b830d943fbaf0d6c12a9101a9a965306d191eef112b69102c6fcf56231448d1152fb6c57bed9f36570702e534f2ce9bb6607816ad70647

  • SSDEEP

    384:W5Q2vDE/Hh3W6HW4N0w0MAm3hQwe3kKnjIGhXez44wxhPuZ7CzItmB1X/2JTNIYN:Wi2qGiR037j/ek3E04Nf7FIt+dI1s0q

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Stops running service(s) 3 TTPs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Launches sc.exe 4 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\83b7f1b41ae2379abf8cecf94a949a9a57184c40fa3e053db2855ab2f32bfd65.exe
    "C:\Users\Admin\AppData\Local\Temp\83b7f1b41ae2379abf8cecf94a949a9a57184c40fa3e053db2855ab2f32bfd65.exe"
    1⤵
    • Drops file in Drivers directory
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Windows\SysWOW64\reg.exe
      "C:\Windows\System32\reg.exe" import C:\Windows\3120.mp4
      2⤵
        PID:992
      • C:\Windows\SysWOW64\sc.exe
        "C:\Windows\System32\sc.exe" config PolicyAgent start= auto
        2⤵
        • Launches sc.exe
        PID:1332
      • C:\Windows\SysWOW64\sc.exe
        "C:\Windows\System32\sc.exe" stop PolicyAgent
        2⤵
        • Launches sc.exe
        PID:1040
      • C:\Windows\SysWOW64\sc.exe
        "C:\Windows\System32\sc.exe" start PolicyAgent
        2⤵
        • Launches sc.exe
        PID:868
      • C:\Windows\SysWOW64\sc.exe
        "C:\Windows\System32\sc.exe" stop PolicyAgent
        2⤵
        • Launches sc.exe
        PID:1692
      • C:\Users\Admin\AppData\Local\Temp\7112038Dnf.exe
        "C:\Users\Admin\AppData\Local\Temp\7112038Dnf.exe"
        2⤵
        • Executes dropped EXE
        PID:596
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 672
        2⤵
        • Program crash
        PID:1516
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1736

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\7112038Dnf.exe

      Filesize

      13KB

      MD5

      338caf39c9fc27a552ee0f33a6e8c71f

      SHA1

      59bc35086386aecccc0192e4c86c41fbc2d5e379

      SHA256

      2e1335a50db5be03463e4ae0d91bbd598df40ebc6950cf9951bd15dc454ccd40

      SHA512

      a9c0aa62d21f10ea35bc7202c4a830ec4fbd61ce79b1fb716d63190bab6d27be60bd2875bdfa01e874d1ed8c44d12a8b8c0e5a6e32186d74d0bca18e5d18e93e

    • C:\Users\Admin\AppData\Local\Temp\7112038Dnf.exe

      Filesize

      13KB

      MD5

      338caf39c9fc27a552ee0f33a6e8c71f

      SHA1

      59bc35086386aecccc0192e4c86c41fbc2d5e379

      SHA256

      2e1335a50db5be03463e4ae0d91bbd598df40ebc6950cf9951bd15dc454ccd40

      SHA512

      a9c0aa62d21f10ea35bc7202c4a830ec4fbd61ce79b1fb716d63190bab6d27be60bd2875bdfa01e874d1ed8c44d12a8b8c0e5a6e32186d74d0bca18e5d18e93e

    • C:\Windows\3120.mp4

      Filesize

      56KB

      MD5

      bc8025bc98da7f4ed891c9f9991d3ff1

      SHA1

      70a69a7fcebe9b43f00a1fa713e3a0621bf3ac6d

      SHA256

      59b9dc39d69f8b0aa350f550e42e632b396237865776d0ce75477f8fe3f9016f

      SHA512

      7f772261e003d2df9162ae4aeaab2bda674ee2721b3300cc8b2a2f4904af6bc9c565c7f2c3e67a7394eb1a387860a2544fc5bdc3e6de384b664f8d232ad6acf5

    • \PROGRA~1\1en0v0\One.dll

      Filesize

      9KB

      MD5

      7d0879ba2a26f0a81b9d7e19e15a3580

      SHA1

      5c7ecf332f62a9944ec8bcff4d8cc8f40d41dbfe

      SHA256

      091c7d651115c5a5793b7ac0b234ac9247c191584a06c19d358b7a87c6e4f477

      SHA512

      e646aa3143f776725977a30e82fc807eacc30fc2006fed22e139728b666c888017e098b36ae6f33e953f3d575fc47372803ba53e4841878285dead7e0e859b96

    • \Users\Admin\AppData\Local\Temp\7112038Dnf.exe

      Filesize

      13KB

      MD5

      338caf39c9fc27a552ee0f33a6e8c71f

      SHA1

      59bc35086386aecccc0192e4c86c41fbc2d5e379

      SHA256

      2e1335a50db5be03463e4ae0d91bbd598df40ebc6950cf9951bd15dc454ccd40

      SHA512

      a9c0aa62d21f10ea35bc7202c4a830ec4fbd61ce79b1fb716d63190bab6d27be60bd2875bdfa01e874d1ed8c44d12a8b8c0e5a6e32186d74d0bca18e5d18e93e

    • \Users\Admin\AppData\Local\Temp\7112038Dnf.exe

      Filesize

      13KB

      MD5

      338caf39c9fc27a552ee0f33a6e8c71f

      SHA1

      59bc35086386aecccc0192e4c86c41fbc2d5e379

      SHA256

      2e1335a50db5be03463e4ae0d91bbd598df40ebc6950cf9951bd15dc454ccd40

      SHA512

      a9c0aa62d21f10ea35bc7202c4a830ec4fbd61ce79b1fb716d63190bab6d27be60bd2875bdfa01e874d1ed8c44d12a8b8c0e5a6e32186d74d0bca18e5d18e93e

    • \Windows\SysWOW64\acdnfe.dat

      Filesize

      16KB

      MD5

      add4832059173fcdb135d949194ad52b

      SHA1

      33f1dfd83e76e0897bd134d380fd56431a7cde6b

      SHA256

      2f9b075862a8509928a48c20bd988215c4f754d2ee3171cf15320ffe6f77f957

      SHA512

      ac04e7ec33592423a85dbcd0aa7a40e5e63671ad712101f007db8551be49b407c508e17d80fd3dcdece2a9d0a8cf9980aae5aa76e8452af73485fd62f31ad0d5

    • memory/1184-63-0x0000000000400000-0x000000000042D000-memory.dmp

      Filesize

      180KB

    • memory/1184-62-0x0000000010000000-0x0000000010004000-memory.dmp

      Filesize

      16KB

    • memory/1184-54-0x0000000000400000-0x000000000042D000-memory.dmp

      Filesize

      180KB

    • memory/1184-55-0x0000000075A11000-0x0000000075A13000-memory.dmp

      Filesize

      8KB

    • memory/1184-71-0x0000000002520000-0x0000000002526000-memory.dmp

      Filesize

      24KB

    • memory/1184-73-0x0000000002520000-0x0000000002526000-memory.dmp

      Filesize

      24KB