Analysis

  • max time kernel
    58s
  • max time network
    74s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2022 08:58

General

  • Target

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282.exe

  • Size

    600KB

  • MD5

    5a50497a16f62ecabbbf0baddf2c6730

  • SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

  • SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

  • SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • SSDEEP

    12288:lpUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqsxoFS:lpUNr6YkVRFkgbeqeo68Fhq8oFS

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
  • UAC bypass 3 TTPs 12 IoCs
  • Adds policy Run key to start application 2 TTPs 19 IoCs
  • Disables RegEdit via registry modification 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 64 IoCs
  • Checks whether UAC is enabled 1 TTPs 6 IoCs
  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 25 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 25 IoCs
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • System policy modification 1 TTPs 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282.exe
    "C:\Users\Admin\AppData\Local\Temp\83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Users\Admin\AppData\Local\Temp\yborjrewily.exe
      "C:\Users\Admin\AppData\Local\Temp\yborjrewily.exe" "c:\users\admin\appdata\local\temp\83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282.exe*"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Checks computer location settings
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:4164
      • C:\Users\Admin\AppData\Local\Temp\winobgk.exe
        "C:\Users\Admin\AppData\Local\Temp\winobgk.exe" "-C:\Users\Admin\AppData\Local\Temp\vqeokylhqihphpmz.exe"
        3⤵
        • Modifies WinLogon for persistence
        • UAC bypass
        • Adds policy Run key to start application
        • Disables RegEdit via registry modification
        • Executes dropped EXE
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • System policy modification
        PID:1260
      • C:\Users\Admin\AppData\Local\Temp\winobgk.exe
        "C:\Users\Admin\AppData\Local\Temp\winobgk.exe" "-C:\Users\Admin\AppData\Local\Temp\vqeokylhqihphpmz.exe"
        3⤵
        • Modifies WinLogon for persistence
        • UAC bypass
        • Adds policy Run key to start application
        • Disables RegEdit via registry modification
        • Executes dropped EXE
        • Adds Run key to start application
        • Checks whether UAC is enabled
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System policy modification
        PID:1288

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\cynyvkyvfyyhajhvo.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Users\Admin\AppData\Local\Temp\jiaoogxxkgjvrdevrsfe.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Users\Admin\AppData\Local\Temp\liykiynlwqrbvfetnm.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Users\Admin\AppData\Local\Temp\pqkacwprgejxvjmfdgvwqg.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Users\Admin\AppData\Local\Temp\vqeokylhqihphpmz.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Users\Admin\AppData\Local\Temp\winobgk.exe

    Filesize

    716KB

    MD5

    3d7d85e1989254d224b1123b29362f81

    SHA1

    127326f3a188e027848d42eadd900bce4dd8fbf7

    SHA256

    d45b1c181e2d2e6790e63574b5a6f8612ffe765d74bdd5618ae2196307b8a083

    SHA512

    68aa3f4bdb63523d5d20717184d21b702cd6c5f6bcf6495daa41c2a49fa91184bc1305129e0dc583445a9d7518c232204b3f11293457a4bc925ea980bc848966

  • C:\Users\Admin\AppData\Local\Temp\winobgk.exe

    Filesize

    716KB

    MD5

    3d7d85e1989254d224b1123b29362f81

    SHA1

    127326f3a188e027848d42eadd900bce4dd8fbf7

    SHA256

    d45b1c181e2d2e6790e63574b5a6f8612ffe765d74bdd5618ae2196307b8a083

    SHA512

    68aa3f4bdb63523d5d20717184d21b702cd6c5f6bcf6495daa41c2a49fa91184bc1305129e0dc583445a9d7518c232204b3f11293457a4bc925ea980bc848966

  • C:\Users\Admin\AppData\Local\Temp\winobgk.exe

    Filesize

    716KB

    MD5

    3d7d85e1989254d224b1123b29362f81

    SHA1

    127326f3a188e027848d42eadd900bce4dd8fbf7

    SHA256

    d45b1c181e2d2e6790e63574b5a6f8612ffe765d74bdd5618ae2196307b8a083

    SHA512

    68aa3f4bdb63523d5d20717184d21b702cd6c5f6bcf6495daa41c2a49fa91184bc1305129e0dc583445a9d7518c232204b3f11293457a4bc925ea980bc848966

  • C:\Users\Admin\AppData\Local\Temp\wulyxoedpkmxsddtooa.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Users\Admin\AppData\Local\Temp\yborjrewily.exe

    Filesize

    320KB

    MD5

    09c02550232a4aaac2735b3e6ab4b94e

    SHA1

    8ba1f2a27edfaaf896d99f9a29592ef34edcc9e6

    SHA256

    8b5b580bcc9162bc806f2b0b55716db66cb0ef2a0f3505779d122569a3c443b8

    SHA512

    fdca59260b12086e5e9a7d809817317c66aa91da115cba8523566bc57a5bb0ac93c00d01434b61d1936833ecdc44d7bd212960cb0e6cc53f907fcd889aed32f7

  • C:\Users\Admin\AppData\Local\Temp\yborjrewily.exe

    Filesize

    320KB

    MD5

    09c02550232a4aaac2735b3e6ab4b94e

    SHA1

    8ba1f2a27edfaaf896d99f9a29592ef34edcc9e6

    SHA256

    8b5b580bcc9162bc806f2b0b55716db66cb0ef2a0f3505779d122569a3c443b8

    SHA512

    fdca59260b12086e5e9a7d809817317c66aa91da115cba8523566bc57a5bb0ac93c00d01434b61d1936833ecdc44d7bd212960cb0e6cc53f907fcd889aed32f7

  • C:\Users\Admin\AppData\Local\Temp\yyrghastheivsfhzwymmf.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\SysWOW64\cynyvkyvfyyhajhvo.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\SysWOW64\jiaoogxxkgjvrdevrsfe.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\SysWOW64\liykiynlwqrbvfetnm.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\SysWOW64\pqkacwprgejxvjmfdgvwqg.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\SysWOW64\vqeokylhqihphpmz.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\SysWOW64\wulyxoedpkmxsddtooa.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\SysWOW64\yyrghastheivsfhzwymmf.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\cynyvkyvfyyhajhvo.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\cynyvkyvfyyhajhvo.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\jiaoogxxkgjvrdevrsfe.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\jiaoogxxkgjvrdevrsfe.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\liykiynlwqrbvfetnm.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\liykiynlwqrbvfetnm.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\pqkacwprgejxvjmfdgvwqg.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\pqkacwprgejxvjmfdgvwqg.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\vqeokylhqihphpmz.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\vqeokylhqihphpmz.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\wulyxoedpkmxsddtooa.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\wulyxoedpkmxsddtooa.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\yyrghastheivsfhzwymmf.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • C:\Windows\yyrghastheivsfhzwymmf.exe

    Filesize

    600KB

    MD5

    5a50497a16f62ecabbbf0baddf2c6730

    SHA1

    51bff4da617ba0eed283ee3103500faa4cca0813

    SHA256

    83fb78d5f00b4ba5ad247984b005c74724c0832499a301cf24899c3893962282

    SHA512

    f15a1bf957ece2616edaf12a1e1996cc20a85e942e49133f856a14a31f65b9d94950ca4c2272ab81a81a2c7caf0a20424deb81fb54f23c1a37c13762f9889e95

  • memory/1260-135-0x0000000000000000-mapping.dmp

  • memory/1288-138-0x0000000000000000-mapping.dmp

  • memory/4164-132-0x0000000000000000-mapping.dmp