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Analysis

  • max time kernel
    142s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/11/2023, 14:43

General

  • Target

    69e51bf920c10656414267472cb522f5902e927ba30a23b21618f88d03462d1c.exe

  • Size

    649KB

  • MD5

    28de107917541a6b1f59b687c5a88c0d

  • SHA1

    82132408e1c1f09d0a2fff0507fef11f6545a151

  • SHA256

    69e51bf920c10656414267472cb522f5902e927ba30a23b21618f88d03462d1c

  • SHA512

    1b39ba9adb55f636ea8524c231053dd0e53b1845ec4cb99f2c4d425fe8c5b9ee85b97f4e3e7f7b65137ad26ea659d86e9dd8b2030403504da894bd20b591ab0d

  • SSDEEP

    12288:pC6wyk1nvfBP0FQoOd/566f81qjbravk7o3xLWAB8TMfo+aqwFtaif8dHOqPNspL:pC6wp1vfhboOb66Uyavk8hdo+g8BOONO

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 2 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\69e51bf920c10656414267472cb522f5902e927ba30a23b21618f88d03462d1c.exe
    "C:\Users\Admin\AppData\Local\Temp\69e51bf920c10656414267472cb522f5902e927ba30a23b21618f88d03462d1c.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Checks SCSI registry key(s)
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2264
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 2528
      2⤵
      • Program crash
      PID:3264
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2264 -ip 2264
    1⤵
      PID:1820

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2264-0-0x0000000000400000-0x00000000005AC000-memory.dmp

      Filesize

      1.7MB

    • memory/2264-2-0x000000006DEC0000-0x000000006DED0000-memory.dmp

      Filesize

      64KB

    • memory/2264-40-0x0000000000400000-0x00000000005AC000-memory.dmp

      Filesize

      1.7MB