Analysis

  • max time kernel
    150s
  • max time network
    147s
  • 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 21:01

General

  • Target

    5103c77d87b036647faa0fb674dedab0f07ec48bd8fa9e2264a7c56e6296c2d7.exe

  • Size

    396KB

  • MD5

    0921286de85bd59e9f3285122027b14f

  • SHA1

    e0c43b12b9000ab393b9c368d51e6e57eda07444

  • SHA256

    5103c77d87b036647faa0fb674dedab0f07ec48bd8fa9e2264a7c56e6296c2d7

  • SHA512

    202c25a6560661e159c95bcc8f75b486c7ad5fd13eecc5338e05e06e5504c54c3f2d5744b6735b9564be67266b7cb5587d704fefd364376dc4fdbfc09786f80e

  • SSDEEP

    12288:7EQoSaqhTHzItN4fGbNyikSQXYjJoPXTAW91Ad4cN:7rLCzKJI4dAj

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 6 IoCs
  • UPX dump on OEP (original entry point) 9 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 9 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 19 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5103c77d87b036647faa0fb674dedab0f07ec48bd8fa9e2264a7c56e6296c2d7.exe
    "C:\Users\Admin\AppData\Local\Temp\5103c77d87b036647faa0fb674dedab0f07ec48bd8fa9e2264a7c56e6296c2d7.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:4468
    • C:\Users\Admin\AppData\Local\Temp\5103c77d87b036647faa0fb674dedab0f07ec48bd8fa9e2264a7c56e6296c2d7.exe
      "C:\Users\Admin\AppData\Local\Temp\5103c77d87b036647faa0fb674dedab0f07ec48bd8fa9e2264a7c56e6296c2d7.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5056
      • C:\Users\Admin\AppData\Local\Temp\5103c77d87b036647faa0fb674dedab0f07ec48bd8fa9e2264a7c56e6296c2d7.exe
        "C:\Users\Admin\AppData\Local\Temp\5103c77d87b036647faa0fb674dedab0f07ec48bd8fa9e2264a7c56e6296c2d7.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4992
    • C:\Users\Admin\AppData\Local\Temp\5103c77d87b036647faa0fb674dedab0f07ec48bd8fa9e2264a7c56e6296c2d7.exe
      "C:\Users\Admin\AppData\Local\Temp\5103c77d87b036647faa0fb674dedab0f07ec48bd8fa9e2264a7c56e6296c2d7.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\brasilian gay masturbation balls (Samantha,Sylvia).mpg.exe

    Filesize

    2.0MB

    MD5

    6254448306bcf32ae115dea5f79dfe34

    SHA1

    a26ce42587fb6d95570fac914bea22311e29336b

    SHA256

    0e7d80cbb83783ef13ccc8105e2aae7dbf0cc7230000164d57ab0d20d8136e37

    SHA512

    7db09cf732a9c936267d99fa958afbfc465b85c68a6d20188358eb550247bc5e1da4721689d2b8ab9fe89aed19082caa56f9f34820cb4db600d58de60f0c01c4

  • memory/2232-164-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2232-205-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4468-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4468-201-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4992-163-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4992-204-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/5056-63-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/5056-202-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB