Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/01/2024, 18:29

General

  • Target

    87bc02114ccbac49b90aca860fa12186.exe

  • Size

    227KB

  • MD5

    87bc02114ccbac49b90aca860fa12186

  • SHA1

    e0ae0bc513125379e1a110c6350061ae2a138a65

  • SHA256

    e983456a1a1e3aea56c3eb4e982ce90daa1ad4e77b7948c71c3dae3b83ae0a99

  • SHA512

    d74f11b4127491cf8ba7ab809f03993f33033e96a1bb9fbb2f641605ac7da6946f5ecb98beb89b3215d3f329d6687cdb0581e58ab7a9672be321af1d0b848ad9

  • SSDEEP

    3072:gjbLl/gvQoutp1Tj4mYWR/RMvaw3PWsiCs1qiBeLNlO8hAg4pAXqmoaBUFCIGGmm:gjluQoS3Io5RJW4ATJHupAgaZGjRSjI

Malware Config

Signatures

  • 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 18 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 28 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\87bc02114ccbac49b90aca860fa12186.exe
    "C:\Users\Admin\AppData\Local\Temp\87bc02114ccbac49b90aca860fa12186.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:4836
    • C:\Users\Admin\AppData\Local\Temp\87bc02114ccbac49b90aca860fa12186.exe
      "C:\Users\Admin\AppData\Local\Temp\87bc02114ccbac49b90aca860fa12186.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4808
      • C:\Users\Admin\AppData\Local\Temp\87bc02114ccbac49b90aca860fa12186.exe
        "C:\Users\Admin\AppData\Local\Temp\87bc02114ccbac49b90aca860fa12186.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3852
    • C:\Users\Admin\AppData\Local\Temp\87bc02114ccbac49b90aca860fa12186.exe
      "C:\Users\Admin\AppData\Local\Temp\87bc02114ccbac49b90aca860fa12186.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    92KB

    MD5

    c9e7af3137e8bee2bf766f7e4e29bdcf

    SHA1

    5e554f52ab55d6142ea1c662ff0131e56c7d8fce

    SHA256

    bdc7386f4200e23d034ba77d9d65fd813342eed524f669509390ea4917f67825

    SHA512

    e990d4aa120b361463c08cb4a80c580c08da7fc4613ad842840746f5ab310fa227f7fe21f4a5dfe7dad568410ebfbd042e84a4093711ed79b77253549900e867

  • memory/1544-85-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1544-15-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3852-86-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4808-13-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4836-103-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4836-21-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4836-83-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4836-0-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4836-14-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4836-88-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4836-12-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4836-114-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4836-180-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4836-192-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4836-214-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4836-225-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4836-233-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB