Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 18:31

General

  • Target

    0bc1a1d38a258906fb405e8c08aba0368ad8ed1ee04c7bcc6415ae0f8928833d.exe

  • Size

    1.9MB

  • MD5

    41716442fdae7489c3c83e6ee298340e

  • SHA1

    ce612f4b85788c634934e359e09a35de0669b812

  • SHA256

    0bc1a1d38a258906fb405e8c08aba0368ad8ed1ee04c7bcc6415ae0f8928833d

  • SHA512

    ff0c3c4003f8801c350a88c98a8463e6e5925b0a44aadafd5bbe9046f929bb6497c56399a7f97b42b498e943115d932c3a8d2179ea839aa3a0b2b7a6ac4361ce

  • SSDEEP

    49152:d9YbpbswXK+YZ/seEDzOpFbECcoOsMM2eQz6PiTra1XImPR:d9YyO8sZn6bvcJxeo6a3a1XIk

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 5 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 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\0bc1a1d38a258906fb405e8c08aba0368ad8ed1ee04c7bcc6415ae0f8928833d.exe
    "C:\Users\Admin\AppData\Local\Temp\0bc1a1d38a258906fb405e8c08aba0368ad8ed1ee04c7bcc6415ae0f8928833d.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:208
    • C:\Users\Admin\AppData\Local\Temp\0bc1a1d38a258906fb405e8c08aba0368ad8ed1ee04c7bcc6415ae0f8928833d.exe
      "C:\Users\Admin\AppData\Local\Temp\0bc1a1d38a258906fb405e8c08aba0368ad8ed1ee04c7bcc6415ae0f8928833d.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3340
      • C:\Users\Admin\AppData\Local\Temp\0bc1a1d38a258906fb405e8c08aba0368ad8ed1ee04c7bcc6415ae0f8928833d.exe
        "C:\Users\Admin\AppData\Local\Temp\0bc1a1d38a258906fb405e8c08aba0368ad8ed1ee04c7bcc6415ae0f8928833d.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4620
    • C:\Users\Admin\AppData\Local\Temp\0bc1a1d38a258906fb405e8c08aba0368ad8ed1ee04c7bcc6415ae0f8928833d.exe
      "C:\Users\Admin\AppData\Local\Temp\0bc1a1d38a258906fb405e8c08aba0368ad8ed1ee04c7bcc6415ae0f8928833d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1060

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\russian lesbian masturbation feet (Anniston,Curtney).zip.exe
    Filesize

    1.4MB

    MD5

    d15e386dd995d68013aa3714df94f8ba

    SHA1

    79f5e48cd5ee571b491654781e24bcd9c683f47d

    SHA256

    8b8ce3add43446704c9c8a219b8c9d4d6c8961afd38fed262945f01ebe57da14

    SHA512

    a98a8885b0060aff92215f848e48b1ba21a5a93e1d0716887577024ac840a8f9574d71fc3077fac6fbc756185cb71ffdcebcc3a86a1389a0275b3b9be1a26b78

  • memory/208-0-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB

  • memory/208-190-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB

  • memory/1060-164-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB

  • memory/1060-197-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB

  • memory/3340-98-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB

  • memory/3340-194-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB

  • memory/4620-165-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB

  • memory/4620-198-0x0000000000400000-0x000000000041F000-memory.dmp
    Filesize

    124KB