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Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 20:43

General

  • Target

    17b3b3ab6abfd697dbef20be374d736a3e5997d606678a91b16b92935a7f3243.exe

  • Size

    208KB

  • MD5

    7afa320722d53e647956d52b50e0a7a0

  • SHA1

    dcdfe35bb90ba5b031532c3bd483328027cf21ce

  • SHA256

    17b3b3ab6abfd697dbef20be374d736a3e5997d606678a91b16b92935a7f3243

  • SHA512

    abb5c26a77d42ea20c6ae53ef6c0805cf3fa30845a9dd8b74b3ac919f81d0c7c4a18fc3922ad58c1c685efeae0e8a55f608ca0c90f1297f5eb55962dd167ffab

  • SSDEEP

    6144:UBDrWZrQ+ONFDTIvgte8R2rHFllXgDMWd65QXoHqxVDTG/r1pAa+/mf2X+AxJ9:UBXWZrQ+ONFDTIvgte8R2rHFllXgDMWV

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 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 53 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 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17b3b3ab6abfd697dbef20be374d736a3e5997d606678a91b16b92935a7f3243.exe
    "C:\Users\Admin\AppData\Local\Temp\17b3b3ab6abfd697dbef20be374d736a3e5997d606678a91b16b92935a7f3243.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Users\Admin\tuueme.exe
      "C:\Users\Admin\tuueme.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3592

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\tuueme.exe

    Filesize

    208KB

    MD5

    d2e7517514ac3e4da9aa7044636be369

    SHA1

    8484dc5034498fe0fd0a7a516cbab689d3b561a0

    SHA256

    37ca8b064243657cfb4bb687a2fb5c80896db7633600cdd189c7ba2c5e2b3f9e

    SHA512

    e70416275334d8991bbff3d372fdac317eb2be1d9689c59d2991bd5f90ca7e08c6167330b8fb0e28395edb37ea9648f2a88f2155718337a0c0808dcd3fc848bf

  • C:\Users\Admin\tuueme.exe

    Filesize

    208KB

    MD5

    d2e7517514ac3e4da9aa7044636be369

    SHA1

    8484dc5034498fe0fd0a7a516cbab689d3b561a0

    SHA256

    37ca8b064243657cfb4bb687a2fb5c80896db7633600cdd189c7ba2c5e2b3f9e

    SHA512

    e70416275334d8991bbff3d372fdac317eb2be1d9689c59d2991bd5f90ca7e08c6167330b8fb0e28395edb37ea9648f2a88f2155718337a0c0808dcd3fc848bf