Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    18/10/2022, 03:00

General

  • Target

    0bc4bc968bb669c68d0626c72a9f37831f8caf7051f3d3aacc5a266a468f989f.exe

  • Size

    284KB

  • MD5

    bda317186134c0564290f2c3a9040f4d

  • SHA1

    88907b0dd91e826359eec729de5cd13dc68fa1f0

  • SHA256

    0bc4bc968bb669c68d0626c72a9f37831f8caf7051f3d3aacc5a266a468f989f

  • SHA512

    cda85f83978c0a7f972ee767405975c29acf8e8c9d8fe66bd3b9560e973c3eaa4fe996d2edfdbd99e6ae375fd27495a6af41ed76d04bfe72ec99913866c68b00

  • SSDEEP

    3072:mSQ0EWVwZhKxC5Rt+k60Zh+qw6PYSsszfHZTZJ2lC:mPA6wxmuJspr2l

Score
8/10

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 10 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0bc4bc968bb669c68d0626c72a9f37831f8caf7051f3d3aacc5a266a468f989f.exe
    "C:\Users\Admin\AppData\Local\Temp\0bc4bc968bb669c68d0626c72a9f37831f8caf7051f3d3aacc5a266a468f989f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1244
    • C:\Users\Admin\AppData\Local\Temp\0bc4bc968bb669c68d0626c72a9f37831f8caf7051f3d3aacc5a266a468f989f.exe
      "C:\Users\Admin\AppData\Local\Temp\0bc4bc968bb669c68d0626c72a9f37831f8caf7051f3d3aacc5a266a468f989f.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1332
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\KSGQH.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:280
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Skype" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe" /f
          4⤵
          • Adds Run key to start application
          PID:584
      • C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
        "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1740
        • C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
          "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1116
        • C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
          "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:1248
          • C:\Windows\syswow64\svchost.exe
            C:\Windows\syswow64\svchost.exe
            5⤵
            • Adds policy Run key to start application
            • Drops file in Program Files directory
            PID:1872

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\KSGQH.bat

    Filesize

    139B

    MD5

    0654f004b2e314bad7f75867e91da37d

    SHA1

    4232c22e7340b12108d86e3cb35ed288a3dbc7f1

    SHA256

    ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249

    SHA512

    dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553

  • C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe

    Filesize

    284KB

    MD5

    6b6a3b03bfd845b444f2f045033bc3ad

    SHA1

    5a4845b0d4f588d5722a5149c6799d592f1a9887

    SHA256

    3c151b3a89df5bc25a6d638d8d0813afa4331898a24f55532ea9e6d045744e85

    SHA512

    72b5823976e918f5dd191b2bf981e2c25309b1d283c30692c7bb20d3a4e8b278324e38050f009b93733c8b4b191560bd123465ec9bc1f17f59df1a2bf76c3bd7

  • C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe

    Filesize

    284KB

    MD5

    6b6a3b03bfd845b444f2f045033bc3ad

    SHA1

    5a4845b0d4f588d5722a5149c6799d592f1a9887

    SHA256

    3c151b3a89df5bc25a6d638d8d0813afa4331898a24f55532ea9e6d045744e85

    SHA512

    72b5823976e918f5dd191b2bf981e2c25309b1d283c30692c7bb20d3a4e8b278324e38050f009b93733c8b4b191560bd123465ec9bc1f17f59df1a2bf76c3bd7

  • C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe

    Filesize

    284KB

    MD5

    6b6a3b03bfd845b444f2f045033bc3ad

    SHA1

    5a4845b0d4f588d5722a5149c6799d592f1a9887

    SHA256

    3c151b3a89df5bc25a6d638d8d0813afa4331898a24f55532ea9e6d045744e85

    SHA512

    72b5823976e918f5dd191b2bf981e2c25309b1d283c30692c7bb20d3a4e8b278324e38050f009b93733c8b4b191560bd123465ec9bc1f17f59df1a2bf76c3bd7

  • C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe

    Filesize

    284KB

    MD5

    6b6a3b03bfd845b444f2f045033bc3ad

    SHA1

    5a4845b0d4f588d5722a5149c6799d592f1a9887

    SHA256

    3c151b3a89df5bc25a6d638d8d0813afa4331898a24f55532ea9e6d045744e85

    SHA512

    72b5823976e918f5dd191b2bf981e2c25309b1d283c30692c7bb20d3a4e8b278324e38050f009b93733c8b4b191560bd123465ec9bc1f17f59df1a2bf76c3bd7

  • \Users\Admin\AppData\Roaming\skype\skyrpe.exe

    Filesize

    284KB

    MD5

    6b6a3b03bfd845b444f2f045033bc3ad

    SHA1

    5a4845b0d4f588d5722a5149c6799d592f1a9887

    SHA256

    3c151b3a89df5bc25a6d638d8d0813afa4331898a24f55532ea9e6d045744e85

    SHA512

    72b5823976e918f5dd191b2bf981e2c25309b1d283c30692c7bb20d3a4e8b278324e38050f009b93733c8b4b191560bd123465ec9bc1f17f59df1a2bf76c3bd7

  • \Users\Admin\AppData\Roaming\skype\skyrpe.exe

    Filesize

    284KB

    MD5

    6b6a3b03bfd845b444f2f045033bc3ad

    SHA1

    5a4845b0d4f588d5722a5149c6799d592f1a9887

    SHA256

    3c151b3a89df5bc25a6d638d8d0813afa4331898a24f55532ea9e6d045744e85

    SHA512

    72b5823976e918f5dd191b2bf981e2c25309b1d283c30692c7bb20d3a4e8b278324e38050f009b93733c8b4b191560bd123465ec9bc1f17f59df1a2bf76c3bd7

  • \Users\Admin\AppData\Roaming\skype\skyrpe.exe

    Filesize

    284KB

    MD5

    6b6a3b03bfd845b444f2f045033bc3ad

    SHA1

    5a4845b0d4f588d5722a5149c6799d592f1a9887

    SHA256

    3c151b3a89df5bc25a6d638d8d0813afa4331898a24f55532ea9e6d045744e85

    SHA512

    72b5823976e918f5dd191b2bf981e2c25309b1d283c30692c7bb20d3a4e8b278324e38050f009b93733c8b4b191560bd123465ec9bc1f17f59df1a2bf76c3bd7

  • \Users\Admin\AppData\Roaming\skype\skyrpe.exe

    Filesize

    284KB

    MD5

    6b6a3b03bfd845b444f2f045033bc3ad

    SHA1

    5a4845b0d4f588d5722a5149c6799d592f1a9887

    SHA256

    3c151b3a89df5bc25a6d638d8d0813afa4331898a24f55532ea9e6d045744e85

    SHA512

    72b5823976e918f5dd191b2bf981e2c25309b1d283c30692c7bb20d3a4e8b278324e38050f009b93733c8b4b191560bd123465ec9bc1f17f59df1a2bf76c3bd7

  • \Users\Admin\AppData\Roaming\skype\skyrpe.exe

    Filesize

    284KB

    MD5

    6b6a3b03bfd845b444f2f045033bc3ad

    SHA1

    5a4845b0d4f588d5722a5149c6799d592f1a9887

    SHA256

    3c151b3a89df5bc25a6d638d8d0813afa4331898a24f55532ea9e6d045744e85

    SHA512

    72b5823976e918f5dd191b2bf981e2c25309b1d283c30692c7bb20d3a4e8b278324e38050f009b93733c8b4b191560bd123465ec9bc1f17f59df1a2bf76c3bd7

  • memory/1116-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1116-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1248-91-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/1248-103-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/1248-97-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/1248-92-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/1332-63-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1332-57-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1332-59-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1332-56-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1332-81-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1332-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1332-64-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1332-68-0x00000000752B1000-0x00000000752B3000-memory.dmp

    Filesize

    8KB

  • memory/1332-101-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1332-67-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1872-104-0x0000000000080000-0x0000000000085000-memory.dmp

    Filesize

    20KB

  • memory/1872-105-0x0000000000020000-0x0000000000025000-memory.dmp

    Filesize

    20KB

  • memory/1872-108-0x0000000000020000-0x0000000000025000-memory.dmp

    Filesize

    20KB