Analysis

  • max time kernel
    156s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2022 23:19

General

  • Target

    709e16f8f800feca0956d7f05b1801dc6dbd2a505c32aa23a88c7b51fd3a8d36.exe

  • Size

    108KB

  • MD5

    1acec9e0a3e1e628fbee19a35aaca8f0

  • SHA1

    1479e4b998bfef7b5ae0a29af1fc00c162674be8

  • SHA256

    709e16f8f800feca0956d7f05b1801dc6dbd2a505c32aa23a88c7b51fd3a8d36

  • SHA512

    38b0591ab1e4e65615e32eb1987ac318f982e7708a47fa556637e300413d30f3d015800931fbfd6345d64a52572270c8e696e760fe16e3a4582834f257114c50

  • SSDEEP

    3072:teMPpMx2wPsZtgk2f1nkjhsVlAk4NyQ/KCOZBdJe1pfJgy:s2kSgmyloDKTzTQ

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 29 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious use of SetThreadContext 2 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 SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\709e16f8f800feca0956d7f05b1801dc6dbd2a505c32aa23a88c7b51fd3a8d36.exe
    "C:\Users\Admin\AppData\Local\Temp\709e16f8f800feca0956d7f05b1801dc6dbd2a505c32aa23a88c7b51fd3a8d36.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2736
    • C:\Users\Admin\AppData\Local\Temp\709e16f8f800feca0956d7f05b1801dc6dbd2a505c32aa23a88c7b51fd3a8d36.exe
      74
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Checks computer location settings
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2244
      • C:\Users\Admin\teiip.exe
        "C:\Users\Admin\teiip.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3500
        • C:\Users\Admin\teiip.exe
          74
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Maps connected drives based on registry
          • Drops autorun.inf file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:372

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\teiip.exe

    Filesize

    108KB

    MD5

    1acec9e0a3e1e628fbee19a35aaca8f0

    SHA1

    1479e4b998bfef7b5ae0a29af1fc00c162674be8

    SHA256

    709e16f8f800feca0956d7f05b1801dc6dbd2a505c32aa23a88c7b51fd3a8d36

    SHA512

    38b0591ab1e4e65615e32eb1987ac318f982e7708a47fa556637e300413d30f3d015800931fbfd6345d64a52572270c8e696e760fe16e3a4582834f257114c50

  • C:\Users\Admin\teiip.exe

    Filesize

    108KB

    MD5

    1acec9e0a3e1e628fbee19a35aaca8f0

    SHA1

    1479e4b998bfef7b5ae0a29af1fc00c162674be8

    SHA256

    709e16f8f800feca0956d7f05b1801dc6dbd2a505c32aa23a88c7b51fd3a8d36

    SHA512

    38b0591ab1e4e65615e32eb1987ac318f982e7708a47fa556637e300413d30f3d015800931fbfd6345d64a52572270c8e696e760fe16e3a4582834f257114c50

  • C:\Users\Admin\teiip.exe

    Filesize

    108KB

    MD5

    1acec9e0a3e1e628fbee19a35aaca8f0

    SHA1

    1479e4b998bfef7b5ae0a29af1fc00c162674be8

    SHA256

    709e16f8f800feca0956d7f05b1801dc6dbd2a505c32aa23a88c7b51fd3a8d36

    SHA512

    38b0591ab1e4e65615e32eb1987ac318f982e7708a47fa556637e300413d30f3d015800931fbfd6345d64a52572270c8e696e760fe16e3a4582834f257114c50

  • memory/372-154-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/372-155-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/2244-135-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/2244-137-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/2244-140-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/2244-141-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB