Analysis

  • max time kernel
    17s
  • max time network
    22s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/09/2022, 06:41

General

  • Target
    Confirmation transfer MT103 Ref-99065001.js
  • Size 890KB
  • Sample220902-hfsb2shfdq
  • SHA256 87ea2bbf1c44a8cd20685caca933204da658f3f36c2d83ed28c0cacdfe3ae7c4
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • AdWind

    A Java-based RAT family operated as malware-as-a-service.

  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Confirmation transfer MT103 Ref-99065001.js"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3844
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\ilNZFcyrxJ.js"
      2⤵
        PID:4904
      • C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
        "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\fvvpjfcwi.txt"
        2⤵
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:480
        • C:\Program Files\Java\jre1.8.0_66\bin\java.exe
          "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.71469110286420365186707785422783767.class
          3⤵
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4112
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive3402113563728897527.vbs
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3792
            • C:\Windows\system32\cscript.exe
              cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive3402113563728897527.vbs
              5⤵
                PID:4544
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive7670177398700780527.vbs
              4⤵
                PID:2312
                • C:\Windows\system32\cscript.exe
                  cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive7670177398700780527.vbs
                  5⤵
                    PID:3544
                • C:\Windows\SYSTEM32\xcopy.exe
                  xcopy "C:\Program Files\Java\jre1.8.0_66" "C:\Users\Admin\AppData\Roaming\Oracle\" /e
                  4⤵
                    PID:1368
                • C:\Windows\SYSTEM32\cmd.exe
                  cmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive19494003054754354.vbs
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:404
                  • C:\Windows\system32\cscript.exe
                    cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive19494003054754354.vbs
                    4⤵
                      PID:1832
                  • C:\Windows\SYSTEM32\cmd.exe
                    cmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive4155403283416722607.vbs
                    3⤵
                      PID:3428
                      • C:\Windows\system32\cscript.exe
                        cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive4155403283416722607.vbs
                        4⤵
                          PID:1780
                      • C:\Windows\SYSTEM32\xcopy.exe
                        xcopy "C:\Program Files\Java\jre1.8.0_66" "C:\Users\Admin\AppData\Roaming\Oracle\" /e
                        3⤵
                          PID:3988

                    Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

                          90737d32e3aba4b.timestamp

                          • Path C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp
                          • Size 50B
                          • SHA256 2f84f083f27f8196d9c07b6c162ba0dc3ac48b9ec8e820a9c5f6a05ecfa1af5b
                          • MD5 SHA1 SHA512

                          Retrive19494003054754354.vbs

                          • Path C:\Users\Admin\AppData\Local\Temp\Retrive19494003054754354.vbs
                          • Size 276B
                          • SHA256 9da575dd2d5b7c1e9bab8b51a16cde457b3371c6dcdb0537356cf1497fa868f6
                          • MD5 SHA1 SHA512

                          Retrive3402113563728897527.vbs

                          • Path C:\Users\Admin\AppData\Local\Temp\Retrive3402113563728897527.vbs
                          • Size 276B
                          • SHA256 9da575dd2d5b7c1e9bab8b51a16cde457b3371c6dcdb0537356cf1497fa868f6
                          • MD5 SHA1 SHA512

                          Retrive4155403283416722607.vbs

                          • Path C:\Users\Admin\AppData\Local\Temp\Retrive4155403283416722607.vbs
                          • Size 281B
                          • SHA256 45bfe34aa3ef932f75101246eb53d032f5e7cf6d1f5b4e495334955a255f32e7
                          • MD5 SHA1 SHA512

                          Retrive7670177398700780527.vbs

                          • Path C:\Users\Admin\AppData\Local\Temp\Retrive7670177398700780527.vbs
                          • Size 281B
                          • SHA256 45bfe34aa3ef932f75101246eb53d032f5e7cf6d1f5b4e495334955a255f32e7
                          • MD5 SHA1 SHA512

                          _0.71469110286420365186707785422783767.class

                          • Path C:\Users\Admin\AppData\Local\Temp\_0.71469110286420365186707785422783767.class
                          • Size 241KB
                          • SHA256 97d585b6aff62fb4e43e7e6a5f816dcd7a14be11a88b109a9ba9e8cd4c456eb9
                          • MD5 SHA1 SHA512 SSDEEP

                          83aa4cc77f591dfc2374580bbd95f6ba_4b401a7f-b7c1-4c1c-a9cf-2b1aa260545d

                          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2295526160-1155304984-640977766-1000\83aa4cc77f591dfc2374580bbd95f6ba_4b401a7f-b7c1-4c1c-a9cf-2b1aa260545d
                          • Size 45B
                          • SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
                          • MD5 SHA1 SHA512

                          fvvpjfcwi.txt

                          • Path C:\Users\Admin\AppData\Roaming\fvvpjfcwi.txt
                          • Size 473KB
                          • SHA256 025387b00a64d6abbcfecb0a103e79899f874fb1df68c912d89f3335982a9cb2
                          • MD5 SHA1 SHA512 SSDEEP

                          ilNZFcyrxJ.js

                          • Path C:\Users\Admin\AppData\Roaming\ilNZFcyrxJ.js
                          • Size 4KB
                          • SHA256 53d054f135436ab35b498149acd3c363ef4678ce21af81c74c1cd0425a9bac24
                          • MD5 SHA1 SHA512 SSDEEP

                          memory/480-145-0x0000000002FE0000-0x0000000003FE0000-memory.dmp

                          memory/480-192-0x0000000002FE0000-0x0000000003FE0000-memory.dmp

                          memory/480-178-0x0000000002FE0000-0x0000000003FE0000-memory.dmp

                          memory/480-189-0x0000000002FE0000-0x0000000003FE0000-memory.dmp

                          memory/4112-167-0x0000000003360000-0x0000000004360000-memory.dmp

                          memory/4112-158-0x0000000003360000-0x0000000004360000-memory.dmp