Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 23:25

General

  • Target

    91a5dcbe155ba98a4921d00b5011ef53a303fde1a4d4033deef897788596074f.exe

  • Size

    184KB

  • MD5

    dbc767e687183f87b77c8e6c30374117

  • SHA1

    bd1402933c18ff4c3e1ad023ff022c6a896c137b

  • SHA256

    91a5dcbe155ba98a4921d00b5011ef53a303fde1a4d4033deef897788596074f

  • SHA512

    e1f0dd5fef925f6c755d2ee36810601ebe76788e280ebbc3c3308d15f50cc793d7967c62de90382a4a5ec49b40be61fd01463ff980940af58d491d4d535341f2

  • SSDEEP

    3072:bjbLl/gvQoutgbqKo4L1Tj4mYWR/R4nkPR/1fplCbcqiDqmgeCGrHgPQ6YFjvBKG:bjluQoSsqaxIo5R4nM/sbx+qmgeCWgPc

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 1 IoCs
  • UPX dump on OEP (original entry point) 4 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 4 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 18 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91a5dcbe155ba98a4921d00b5011ef53a303fde1a4d4033deef897788596074f.exe
    "C:\Users\Admin\AppData\Local\Temp\91a5dcbe155ba98a4921d00b5011ef53a303fde1a4d4033deef897788596074f.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4880
    • C:\Users\Admin\AppData\Local\Temp\91a5dcbe155ba98a4921d00b5011ef53a303fde1a4d4033deef897788596074f.exe
      "C:\Users\Admin\AppData\Local\Temp\91a5dcbe155ba98a4921d00b5011ef53a303fde1a4d4033deef897788596074f.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1784
      • C:\Users\Admin\AppData\Local\Temp\91a5dcbe155ba98a4921d00b5011ef53a303fde1a4d4033deef897788596074f.exe
        "C:\Users\Admin\AppData\Local\Temp\91a5dcbe155ba98a4921d00b5011ef53a303fde1a4d4033deef897788596074f.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\lingerie voyeur feet sweet .mpg.exe

    Filesize

    1.1MB

    MD5

    ccac77b13a185b338482ffe4ebcf0ab3

    SHA1

    c0403ebaf4fb452d2f7e27b78613dbf2aa81d1af

    SHA256

    2276bbb86b773e3a0b8348f41d437feadb993aeb12e8d1627f8f991d28564da1

    SHA512

    1a6aa80f846512a5f209d7a79d427fc4759d7e593464432f63d6a5b2fe4a47ffc4fb779a7cc22c9346d5aa2a2082ad9e46520d5d9579b4e2c73db30f7c7234ca

  • memory/1784-72-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/3536-166-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/4880-0-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB