Overview

overview

10

Static

static

10

b826ea9117...57.exe

windows7-x64

9

b826ea9117...57.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-05-2024 02:30

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General

  • Target

    b826ea9117943353405e7e1a0971e3e86d5d05165e937bc250786423f1c5ab57.exe

  • Size

    270KB

  • MD5

    573c0c10d7cf7cf88e64ee9de8d3aa6e

  • SHA1

    a742ec55eb1442255d4ec86c030bf12405f0ecec

  • SHA256

    b826ea9117943353405e7e1a0971e3e86d5d05165e937bc250786423f1c5ab57

  • SHA512

    25d629b2a102a99f813127bc51ead697ac4d2212efbcf4e147ec5df7abe0ea30f6d6b1ed3cae8640ac6378df9c615505e5b2d57a609b39195fc1ff4b3dcd3629

  • SSDEEP

    6144:xjluQoSqIo5R4nM/40yJNFW0sHC2vRHaA32Y/hKVJkLqnr/+:xEQoS+qhG9ic1vZKfkGnr/+

Score
9/10
persistencespywarestealerupx

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 3 IoCs
  • UPX dump on OEP (original entry point) 6 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.

    spywarestealer
  • UPX packed file 6 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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\b826ea9117943353405e7e1a0971e3e86d5d05165e937bc250786423f1c5ab57.exe
    "C:\Users\Admin\AppData\Local\Temp\b826ea9117943353405e7e1a0971e3e86d5d05165e937bc250786423f1c5ab57.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:4576
    • C:\Users\Admin\AppData\Local\Temp\b826ea9117943353405e7e1a0971e3e86d5d05165e937bc250786423f1c5ab57.exe
      "C:\Users\Admin\AppData\Local\Temp\b826ea9117943353405e7e1a0971e3e86d5d05165e937bc250786423f1c5ab57.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3212
      • C:\Users\Admin\AppData\Local\Temp\b826ea9117943353405e7e1a0971e3e86d5d05165e937bc250786423f1c5ab57.exe
        "C:\Users\Admin\AppData\Local\Temp\b826ea9117943353405e7e1a0971e3e86d5d05165e937bc250786423f1c5ab57.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\trambling girls glans leather (Karin).mpg.exe
    Filesize

    1.6MB

    MD5

    669692a31ee9e82d37ac8aaed75f4ec0

    SHA1

    0074c69160d222bc6f130fbfd2b3cfc76867e71d

    SHA256

    338684e18a022e9e488a9384fdeb574020850b3e3bde193f2f9131990d741cac

    SHA512

    4f03c39fa5f354a29c0601a8e0376e5d60403a3845e58fce6ae29cc4ee91c8a5e3e8e22f6f7fc49613023fed7d36bd87ff197120437d1e3aa6e8bda39a95ddec

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  • memory/3212-33-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/4472-156-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/4472-193-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/4576-0-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download

  • memory/4576-189-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

    Download