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 23:11

General

  • Target

    8c3945782e4a134b5be7f5a3d8480c904b3accbdce48c8be15a74a0cbdccf224.exe

  • Size

    595KB

  • MD5

    9084a911d55c10be0a70173ff30513e0

  • SHA1

    4c147f645052b595d6e251abb51cf8d0b72f2be0

  • SHA256

    8c3945782e4a134b5be7f5a3d8480c904b3accbdce48c8be15a74a0cbdccf224

  • SHA512

    da9150e2cbf395594edecc284efca5adcb2f8e981b91ff2e7e056e899cd75c5f252c9e00d9a631b293592c51c1ae4c37ce8366fd9cdf2b392a38aeec7502774d

  • SSDEEP

    12288:A8EQoSMKgZfSCeLnU/I31AcWKsiLBK7+n7/rC9FeUSg+/kOtJpGu:A872011A1Kvsw7e9FeNg4rGu

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\8c3945782e4a134b5be7f5a3d8480c904b3accbdce48c8be15a74a0cbdccf224.exe
    "C:\Users\Admin\AppData\Local\Temp\8c3945782e4a134b5be7f5a3d8480c904b3accbdce48c8be15a74a0cbdccf224.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:3028
    • C:\Users\Admin\AppData\Local\Temp\8c3945782e4a134b5be7f5a3d8480c904b3accbdce48c8be15a74a0cbdccf224.exe
      "C:\Users\Admin\AppData\Local\Temp\8c3945782e4a134b5be7f5a3d8480c904b3accbdce48c8be15a74a0cbdccf224.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4952
      • C:\Users\Admin\AppData\Local\Temp\8c3945782e4a134b5be7f5a3d8480c904b3accbdce48c8be15a74a0cbdccf224.exe
        "C:\Users\Admin\AppData\Local\Temp\8c3945782e4a134b5be7f5a3d8480c904b3accbdce48c8be15a74a0cbdccf224.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2672
    • C:\Users\Admin\AppData\Local\Temp\8c3945782e4a134b5be7f5a3d8480c904b3accbdce48c8be15a74a0cbdccf224.exe
      "C:\Users\Admin\AppData\Local\Temp\8c3945782e4a134b5be7f5a3d8480c904b3accbdce48c8be15a74a0cbdccf224.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\nude gay lesbian high heels .avi.exe

    Filesize

    121KB

    MD5

    9f73ee8c4f8758888882873fe36ab8a1

    SHA1

    1c2f21f91eea2f0ff3d38e18389447e8ace03bdc

    SHA256

    55b0c008c355bb95fca215b7eab950986cc2e4da35f8e881ddb8de39cf21ae5a

    SHA512

    1778e9f23a9c675f5d59a0ce06704ae3335235603a5812ffc2939e946c14db27de73aab0968875ea6562ebc5278b9ed0d5cdf1754616cdfdcb12c705c9bf0785

  • memory/1520-182-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/1520-161-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2672-162-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3028-201-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3028-214-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3028-242-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3028-238-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3028-185-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3028-191-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3028-0-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3028-205-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3028-210-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3028-180-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3028-218-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3028-222-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3028-226-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3028-230-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3028-234-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/4952-118-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/4952-181-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB