Resubmissions

23-03-2023 06:25

230323-g61wfaga2x 10

22-03-2023 20:46

230322-zkhf3sbc39 10

22-03-2023 20:43

230322-zhj7wsbc28 4

Analysis

  • max time kernel
    60s
  • max time network
    64s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-03-2023 06:25

General

  • Target

    INVOICE000274.one

  • Size

    261KB

  • MD5

    3f34d4a7fcd41506b1361167549f842b

  • SHA1

    503d219a20212eed5a7963543d9afc101ecb3620

  • SHA256

    11f7b6b11a624c7a09ccc40a99e1221598107fec68ff41e9a19a6d46ce56652d

  • SHA512

    b225a6794e4a1ca6bd5c8bbe0ada62314caf40c03a5352ec838d661de2dd79ff0a612b4e66380aafb0d1b4e882fecc80a04da7f4455761e902a5a04a5f305b12

  • SSDEEP

    3072:xXzeHrBwsHzUfxJ3mY2IsGllOb3HPWaBtOzUfxJ3mY2IsGllOb3HPWaBtuXE:FeHrBwsYXm5ZGa3vRXm5ZGa3vN

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 7 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Script User-Agent 7 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\ONENOTE.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\ONENOTE.EXE" "C:\Users\Admin\AppData\Local\Temp\INVOICE000274.one"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\OneNote\16.0\Exported\{99F9D949-F8AF-48D3-B335-5F937186EC71}\NT\0\press to unblock document.vbs"
      2⤵
      • Process spawned unexpected child process
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1092
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" //E:vbscript C:\Users\Admin\AppData\Local\Temp\radF5E0C5ADAdarrad6AA13DD15dar.txt
        3⤵
        • Blocklisted process makes network request
        PID:3980
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 460 -p 4308 -ip 4308
    1⤵
      PID:4228
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 4308 -s 1584
      1⤵
      • Program crash
      PID:2936

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\tmp\000000BL.bin

      Filesize

      89KB

      MD5

      7559f0ff4f7e58ed031fe0b4438f4c57

      SHA1

      e2225573a8877c057319e10029fd85b0a51375a8

      SHA256

      73527befbcc1ec6716003fc875d578c40e3dfe619349ff288008bab33c90e5d2

      SHA512

      252d0a52c3b7bca5ea56a14c7ad1e27967b03e3dccfc3b8d79b8e1c474ed625937719af314e74f62583c708b45b937091e8fae7f1e40e56bf261d0f839f94e4a

    • C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\tmp\000000BM.bin

      Filesize

      75KB

      MD5

      f776dd0f1ae059fcf295ade6c5495080

      SHA1

      ed270bfe2edb7e571ba4acf4b4088aa2a111e57e

      SHA256

      2130a3bc8050310a7474be0b17a4ea8584e2105cb17316cb463d732665745749

      SHA512

      2558ab6465af8a782ad02295744cd2d554d03c1ee7aa1689f13e3507a0cec4e73b9f86d1ec9aef346b831ab58758285a8ceda63dc0f834e1378dfa0504490f65

    • C:\Users\Admin\AppData\Local\Temp\OneNote\16.0\Exported\{99F9D949-F8AF-48D3-B335-5F937186EC71}\NT\0\press to unblock document.vbs

      Filesize

      89KB

      MD5

      7559f0ff4f7e58ed031fe0b4438f4c57

      SHA1

      e2225573a8877c057319e10029fd85b0a51375a8

      SHA256

      73527befbcc1ec6716003fc875d578c40e3dfe619349ff288008bab33c90e5d2

      SHA512

      252d0a52c3b7bca5ea56a14c7ad1e27967b03e3dccfc3b8d79b8e1c474ed625937719af314e74f62583c708b45b937091e8fae7f1e40e56bf261d0f839f94e4a

    • C:\Users\Admin\AppData\Local\Temp\rad9710D.tmp.zip

      Filesize

      10B

      MD5

      7605968e79d0ca095ab1231486d2b814

      SHA1

      a007b420d19ceefa840f0373e050e3b51a4ab480

      SHA256

      493fda53120050f85836032324409be6c6484f90a0755ae0c6a673ba7626818b

      SHA512

      769249da7ed6c6bf5671bbc2371a6453b433226ceb8c4c2aa3604000d66647bcec83dee1ab64c0262fa40f923d77e23bad2c47274d339effc51d904ce77072a6

    • C:\Users\Admin\AppData\Local\Temp\radF5E0C5ADAdarrad6AA13DD15dar.txt

      Filesize

      61KB

      MD5

      958eb4fa0bfca295216cd6027977fcb8

      SHA1

      0bc88fb4229a73152b2c33750dd5b5be52fcf287

      SHA256

      9b32ca5d8a34ae2351bc68500fb6929468c42d0ddda53fba5676410beab6d498

      SHA512

      4e4e2d84ce82eaa222180e86a2feaa7fdb19108d227ca922c69d30e30ef1ed463c41d540c25f604edd04be86f8490ae8570d2b67a97e0f9f45d048954d32787f

    • C:\Users\Admin\AppData\Local\Temp\{84FA18D5-52D9-4EFD-B24A-D2F13E089DA6}

      Filesize

      567B

      MD5

      d055ce625528e448c61315eaaef5bb71

      SHA1

      029df4c872b1c154f32e7fe94f434547c3ba6192

      SHA256

      85bf1e672b4e86e9af0c7874681ec9620dfdc78e0335b83eef38c17d813b6705

      SHA512

      705b6b729e967fa946469571109aa892f5cb55a01c74d40ae02140d10cbf9b65dd5e511c06ebfe494e407742f8c6f4fbbe88664b78b37abfb2f19db1f66f4247

    • memory/1248-137-0x00007FFB242D0000-0x00007FFB242E0000-memory.dmp

      Filesize

      64KB

    • memory/1248-140-0x00007FFB21AB0000-0x00007FFB21AC0000-memory.dmp

      Filesize

      64KB

    • memory/1248-139-0x00007FFB21AB0000-0x00007FFB21AC0000-memory.dmp

      Filesize

      64KB

    • memory/1248-138-0x00007FFB242D0000-0x00007FFB242E0000-memory.dmp

      Filesize

      64KB

    • memory/1248-134-0x00007FFB242D0000-0x00007FFB242E0000-memory.dmp

      Filesize

      64KB

    • memory/1248-136-0x00007FFB242D0000-0x00007FFB242E0000-memory.dmp

      Filesize

      64KB

    • memory/1248-135-0x00007FFB242D0000-0x00007FFB242E0000-memory.dmp

      Filesize

      64KB