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Analysis

  • max time kernel
    152s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 22:57

General

  • Target

    7184fbf90c60cd27311eaa98fb6fb24764b8144da74099c3248b158c73f51555.exe

  • Size

    447KB

  • MD5

    4373d593663c8a9bbe7879cb795c6b5d

  • SHA1

    57c807c68ae0faa7fb5c3a6d51769b6381e134e3

  • SHA256

    7184fbf90c60cd27311eaa98fb6fb24764b8144da74099c3248b158c73f51555

  • SHA512

    9141ddda68bcc3e70f4f25326d4dad9f87ce911c0d44e956a7ae49f73b27ffd8a5a2df4e9a8d9037d91ce123b62c958f62fafefa384bf47e44c4940b420d162e

  • SSDEEP

    12288:v6Wq4aaE6KwyF5L0Y2D1PqLDoQZwTaFOGz:tthEVaPqLsdGB

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 1 IoCs

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

  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops autorun.inf file 1 TTPs 2 IoCs

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

  • 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 use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7184fbf90c60cd27311eaa98fb6fb24764b8144da74099c3248b158c73f51555.exe
    "C:\Users\Admin\AppData\Local\Temp\7184fbf90c60cd27311eaa98fb6fb24764b8144da74099c3248b158c73f51555.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Documents and Settings\tazebama.dl_
      "C:\Documents and Settings\tazebama.dl_"
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      PID:1104

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Documents and Settings\tazebama.dl_

    Filesize

    151KB

    MD5

    6c5ada91a7f24a87f87c731b8c534959

    SHA1

    0b58433e64e4e0aaf52828306bf7104d95a39827

    SHA256

    97a15ea727eab7c1a55924ea680f57ccfea6835bb7de0abe6d1fdb0ae08de0e7

    SHA512

    200d67e890195e246855289909254e56a13b85f3645af39069ee28c7ec255b2578b2a62a99bf6298da84f0cf608e03eb9f02c6164d7eb4568fe2645841cd7891

  • C:\Users\tazebama.dl_

    Filesize

    151KB

    MD5

    6c5ada91a7f24a87f87c731b8c534959

    SHA1

    0b58433e64e4e0aaf52828306bf7104d95a39827

    SHA256

    97a15ea727eab7c1a55924ea680f57ccfea6835bb7de0abe6d1fdb0ae08de0e7

    SHA512

    200d67e890195e246855289909254e56a13b85f3645af39069ee28c7ec255b2578b2a62a99bf6298da84f0cf608e03eb9f02c6164d7eb4568fe2645841cd7891

  • \Users\tazebama.dl_

    Filesize

    151KB

    MD5

    6c5ada91a7f24a87f87c731b8c534959

    SHA1

    0b58433e64e4e0aaf52828306bf7104d95a39827

    SHA256

    97a15ea727eab7c1a55924ea680f57ccfea6835bb7de0abe6d1fdb0ae08de0e7

    SHA512

    200d67e890195e246855289909254e56a13b85f3645af39069ee28c7ec255b2578b2a62a99bf6298da84f0cf608e03eb9f02c6164d7eb4568fe2645841cd7891

  • \Users\tazebama.dl_

    Filesize

    151KB

    MD5

    6c5ada91a7f24a87f87c731b8c534959

    SHA1

    0b58433e64e4e0aaf52828306bf7104d95a39827

    SHA256

    97a15ea727eab7c1a55924ea680f57ccfea6835bb7de0abe6d1fdb0ae08de0e7

    SHA512

    200d67e890195e246855289909254e56a13b85f3645af39069ee28c7ec255b2578b2a62a99bf6298da84f0cf608e03eb9f02c6164d7eb4568fe2645841cd7891

  • \Users\tazebama.dll

    Filesize

    32KB

    MD5

    b6a03576e595afacb37ada2f1d5a0529

    SHA1

    d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8

    SHA256

    1707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad

    SHA512

    181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c

  • memory/1104-62-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/1652-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

    Filesize

    8KB

  • memory/1652-63-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1652-64-0x0000000000150000-0x0000000000166000-memory.dmp

    Filesize

    88KB

  • memory/1652-65-0x0000000000150000-0x0000000000166000-memory.dmp

    Filesize

    88KB