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Analysis

  • max time kernel
    138s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 15:16

General

  • Target

    a7140dc76632fd7de60b4f83b0be552774b4f71ab58d215a99b905d3fb258cc3.exe

  • Size

    2.2MB

  • MD5

    e598450e72082c9e7456abbc5ec2792a

  • SHA1

    65b004025ac5aa0210db8037ffe7315df2ab33c1

  • SHA256

    a7140dc76632fd7de60b4f83b0be552774b4f71ab58d215a99b905d3fb258cc3

  • SHA512

    3f83e537fa387d536d6a58c95230c1d78494123e5dcfa964181108a27bbed865427e168c7cb78f94a1bef26a7f36a564a8cbc655c147e865158c360d112352a2

  • SSDEEP

    12288:x10P7S7UgCDBR+RM42znzqzsY6hCyTyc8J97gqSBSrfR6IoSBIp9Z+4/rHAuFoeB:gqSBSrfR6KUZ+4D7Foe27wATj0uu

Score
8/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 1 IoCs

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

  • Checks computer location settings 2 TTPs 2 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.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a7140dc76632fd7de60b4f83b0be552774b4f71ab58d215a99b905d3fb258cc3.exe
    "C:\Users\Admin\AppData\Local\Temp\a7140dc76632fd7de60b4f83b0be552774b4f71ab58d215a99b905d3fb258cc3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4520
    • C:\Users\Admin\AppData\Local\Temp\6AC5.tmp\b2e.exe
      "C:\Users\Admin\AppData\Local\Temp\6AC5.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\6AC5.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\a7140dc76632fd7de60b4f83b0be552774b4f71ab58d215a99b905d3fb258cc3.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4716
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\71AA.tmp\batchfile.bat" "
        3⤵
          PID:4372

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\6AC5.tmp\b2e.exe

      Filesize

      1.3MB

      MD5

      47e45b199565c2f2d597b2702d013a3a

      SHA1

      fd2fbc0879d23470a60ce08d8843174d02cb3a94

      SHA256

      68d672fa81a2138adc21556cb8110ad245d4ede355e65640d69c183786331de9

      SHA512

      1010648969c682213bc1dd27e62b2a03da5509ab2c45e167f5b5926419b69d28f5f5b1568a4e2f53b18b0b00f85dc831bc5aeb8e9e368309ce52f1b46f7843a1

    • C:\Users\Admin\AppData\Local\Temp\6AC5.tmp\b2e.exe

      Filesize

      1.3MB

      MD5

      47e45b199565c2f2d597b2702d013a3a

      SHA1

      fd2fbc0879d23470a60ce08d8843174d02cb3a94

      SHA256

      68d672fa81a2138adc21556cb8110ad245d4ede355e65640d69c183786331de9

      SHA512

      1010648969c682213bc1dd27e62b2a03da5509ab2c45e167f5b5926419b69d28f5f5b1568a4e2f53b18b0b00f85dc831bc5aeb8e9e368309ce52f1b46f7843a1

    • C:\Users\Admin\AppData\Local\Temp\71AA.tmp\batchfile.bat

      Filesize

      982KB

      MD5

      6290edca6b627eb2b88807f4ad67d198

      SHA1

      b095d76b94930f15b1b35901162c2cf8f79d667f

      SHA256

      e7dbb644dd7a082132799df7373ad8f6355454c415146a9e10dba00e5e0078af

      SHA512

      42d275a6fbd5d7e0773e836722fc46d5520586c7b10575e96372f8e47c5a8c54ea72b58abee1cd89aff69a0341d711767dd75c4f7428566fe733160ab85f6fdc

    • memory/4520-132-0x0000000000400000-0x0000000000628000-memory.dmp

      Filesize

      2.2MB

    • memory/4716-137-0x0000000000400000-0x0000000000405000-memory.dmp

      Filesize

      20KB