Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    28/05/2026, 10:43

General

  • Target
    bbe88278f5f4b2b7f90df7cab44d9a6eda28e1c2ec66bd02e9772c79bee7104c.exe
  • Size 3.0MB
  • Sample260528-msjynac19m
  • SHA256 bbe88278f5f4b2b7f90df7cab44d9a6eda28e1c2ec66bd02e9772c79bee7104c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Unexpected DNS network traffic destination 2 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in System32 directory 1 IoCs
  • UPX packed file 7 IoCs

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

  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bbe88278f5f4b2b7f90df7cab44d9a6eda28e1c2ec66bd02e9772c79bee7104c.exe
    "C:\Users\Admin\AppData\Local\Temp\bbe88278f5f4b2b7f90df7cab44d9a6eda28e1c2ec66bd02e9772c79bee7104c.exe"
    1⤵
    • Unexpected DNS network traffic destination
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5280
    • C:\Windows\SysWOW64\sc.exe
      sc.exe start GDfEUcLUNF
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4936
  • C:\Windows\Syswow64\fdab103
    C:\Windows\Syswow64\fdab103
    1⤵
    • Executes dropped EXE
    PID:4508
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4508 -s 136
      2⤵
      • Program crash
      PID:5896
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4508 -ip 4508
    1⤵
      PID:1596
    • C:\Windows\Syswow64\fdab103
      C:\Windows\Syswow64\fdab103
      1⤵
      • Executes dropped EXE
      PID:1032
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1032 -s 136
        2⤵
        • Program crash
        PID:4220
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1032 -ip 1032
      1⤵
        PID:5680

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            fdab103

            • Path C:\Windows\SysWOW64\fdab103
            • Size 3.0MB
            • SHA256 997cd4646e7cfc494762629b2b59755910e86806cac0f27df062b95a9ed075ee
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1032-6-0x0000000000150000-0x0000000000455000-memory.dmp

            memory/1032-7-0x0000000000150000-0x0000000000455000-memory.dmp

            memory/4508-3-0x0000000000150000-0x0000000000455000-memory.dmp

            memory/4508-4-0x0000000000150000-0x0000000000455000-memory.dmp

            memory/5280-0-0x0000000000560000-0x0000000000865000-memory.dmp

            memory/5280-11-0x0000000000560000-0x0000000000865000-memory.dmp