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Analysis

  • max time kernel
    185s
  • max time network
    185s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2022, 21:56

General

  • Target

    8c6ca3d758576ecacd9d78369991a1742e50be47c1536abacb1d18d8c6083ad6.exe

  • Size

    34KB

  • MD5

    6fed99d64bde908c165066c570ccb693

  • SHA1

    6f9d025088456a85dfbf4bc893fb7310d45aaba5

  • SHA256

    8c6ca3d758576ecacd9d78369991a1742e50be47c1536abacb1d18d8c6083ad6

  • SHA512

    8c367d69fd1b19a1ba2d52c6192766b74427be1bfb84c195296c1c54641c050a30aefe15e36907e87163e2a058df316c1581129a3c461284eb7295093a18af2f

  • SSDEEP

    768:mzQYScGrIubHuYtvdxwYHw5FAe2Q0ncwxZ:gQTIubHy5wQ0N

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in Program Files directory 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 WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c6ca3d758576ecacd9d78369991a1742e50be47c1536abacb1d18d8c6083ad6.exe
    "C:\Users\Admin\AppData\Local\Temp\8c6ca3d758576ecacd9d78369991a1742e50be47c1536abacb1d18d8c6083ad6.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:3124
    • C:\Program Files (x86)\83538b91\jusched.exe
      "C:\Program Files (x86)\83538b91\jusched.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:4396

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\83538b91\83538b91

    Filesize

    13B

    MD5

    f253efe302d32ab264a76e0ce65be769

    SHA1

    768685ca582abd0af2fbb57ca37752aa98c9372b

    SHA256

    49dca65f362fee401292ed7ada96f96295eab1e589c52e4e66bf4aedda715fdd

    SHA512

    1990d20b462406bbadb22ba43f1ed9d0db6b250881d4ac89ad8cf6e43ca92b2fd31c3a15be1e6e149e42fdb46e58122c15bc7869a82c9490656c80df69fa77c4

  • C:\Program Files (x86)\83538b91\jusched.exe

    Filesize

    34KB

    MD5

    6a59cf11aac76e90e520b30583549a7e

    SHA1

    29d10bf5cf464e87312284be6b44d324c07cbde5

    SHA256

    1a5e0b1f9e8f72bfafe55c83d667360be5597c8d7ddb31b4b975ffdfcdfd1d64

    SHA512

    fd7fb65be30fc5f94acf6e8297b83d1b29bf5462ac8882982ec0bf9bb6d1559e6cf6ee913b3c01abc274b3e3ced20355408d72980fe9d0fa3ded1e77228c3825

  • C:\Program Files (x86)\83538b91\jusched.exe

    Filesize

    34KB

    MD5

    6a59cf11aac76e90e520b30583549a7e

    SHA1

    29d10bf5cf464e87312284be6b44d324c07cbde5

    SHA256

    1a5e0b1f9e8f72bfafe55c83d667360be5597c8d7ddb31b4b975ffdfcdfd1d64

    SHA512

    fd7fb65be30fc5f94acf6e8297b83d1b29bf5462ac8882982ec0bf9bb6d1559e6cf6ee913b3c01abc274b3e3ced20355408d72980fe9d0fa3ded1e77228c3825