Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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 23:18

General

  • Target

    8e8bf7a5c1b9b9c9ea150a72574b9b6c8e52715c1d1af937ad3e443c45c22a62.exe

  • Size

    1.2MB

  • MD5

    de5e5c1b46f8e29fd54194774cc568d6

  • SHA1

    57fd099cf119960c9dac673739745eb7e32fe320

  • SHA256

    8e8bf7a5c1b9b9c9ea150a72574b9b6c8e52715c1d1af937ad3e443c45c22a62

  • SHA512

    b8d56f6160eec22cb74479f302968f5be03d584fe2459f5aaa59b032638baa0c327588ab60cc51ab5b2038a03e00ac19c4275c8bc267c5b16b08f84ac7bc1775

  • SSDEEP

    24576:0DMezrZee9E7ZdxbvQ3dp1qAMfxgIIHeDEtpPC4RbqG:yrLE77xjQ3FqAHIIH4cpjWG

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 19 IoCs
  • UPX dump on OEP (original entry point) 21 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 21 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e8bf7a5c1b9b9c9ea150a72574b9b6c8e52715c1d1af937ad3e443c45c22a62.exe
    "C:\Users\Admin\AppData\Local\Temp\8e8bf7a5c1b9b9c9ea150a72574b9b6c8e52715c1d1af937ad3e443c45c22a62.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:1092
    • C:\Users\Admin\AppData\Local\Temp\8e8bf7a5c1b9b9c9ea150a72574b9b6c8e52715c1d1af937ad3e443c45c22a62.exe
      "C:\Users\Admin\AppData\Local\Temp\8e8bf7a5c1b9b9c9ea150a72574b9b6c8e52715c1d1af937ad3e443c45c22a62.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4600
      • C:\Users\Admin\AppData\Local\Temp\8e8bf7a5c1b9b9c9ea150a72574b9b6c8e52715c1d1af937ad3e443c45c22a62.exe
        "C:\Users\Admin\AppData\Local\Temp\8e8bf7a5c1b9b9c9ea150a72574b9b6c8e52715c1d1af937ad3e443c45c22a62.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1952
    • C:\Users\Admin\AppData\Local\Temp\8e8bf7a5c1b9b9c9ea150a72574b9b6c8e52715c1d1af937ad3e443c45c22a62.exe
      "C:\Users\Admin\AppData\Local\Temp\8e8bf7a5c1b9b9c9ea150a72574b9b6c8e52715c1d1af937ad3e443c45c22a62.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3560

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\american fetish beast big .avi.exe

    Filesize

    1.3MB

    MD5

    b974a907218bc9279603825878bd32cf

    SHA1

    e9581c7a8defdbc5cbc64a026216a0566254af2c

    SHA256

    418b4ea406d0d6856d9dd90d5020056c8df037903a8fee3bdf21ad765bebb4ba

    SHA512

    0ceba30caa8f3468340c53d2f408830befc89969d2a30102c41441831881864f34a77a2778912532002fb83d40162933c8f09e33a8faaad24d35378c040c4e77

  • memory/1092-223-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1092-219-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1092-192-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1092-180-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1092-239-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1092-202-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1092-185-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1092-206-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1092-243-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1092-235-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1092-186-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1092-211-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1092-215-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1092-231-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1092-0-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1092-227-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1952-161-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/3560-160-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/3560-182-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/4600-181-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB