Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/08/2026, 00:59

General

  • Target
    a2c39f701e6c700feb46e59ce5d3e4b42670f35193309a592608c478942bb18e.exe
  • Size 3.0MB
  • Sample260817-bb2lla1ake
  • SHA256 a2c39f701e6c700feb46e59ce5d3e4b42670f35193309a592608c478942bb18e
  • 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2c39f701e6c700feb46e59ce5d3e4b42670f35193309a592608c478942bb18e.exe
    "C:\Users\Admin\AppData\Local\Temp\a2c39f701e6c700feb46e59ce5d3e4b42670f35193309a592608c478942bb18e.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:3856
    • C:\Windows\SysWOW64\sc.exe
      sc.exe start ie98nzLFcqggv
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4428
  • C:\Windows\Syswow64\ffc1031c
    C:\Windows\Syswow64\ffc1031c
    1⤵
    • Executes dropped EXE
    PID:5232
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5232 -s 148
      2⤵
      • Program crash
      PID:1132
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5232 -ip 5232
    1⤵
      PID:4436
    • C:\Windows\Syswow64\ffc1031c
      C:\Windows\Syswow64\ffc1031c
      1⤵
      • Executes dropped EXE
      PID:5096
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 148
        2⤵
        • Program crash
        PID:1480
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 5096 -ip 5096
      1⤵
        PID:5132
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k GPSvcGroup
        1⤵
          PID:260

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              ffc1031c

              • Path C:\Windows\SysWOW64\ffc1031c
              • Size 3.0MB
              • SHA256 eaf6f0ffd5ec834260e67e68a4e2960f7eac9ba2c7ef3a1d404130a2a9a9f659
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/3856-0-0x00000000005F0000-0x00000000008F5000-memory.dmp

              memory/3856-8-0x00000000005F0000-0x00000000008F5000-memory.dmp

              memory/5096-6-0x0000000000380000-0x0000000000685000-memory.dmp

              memory/5096-7-0x0000000000380000-0x0000000000685000-memory.dmp

              memory/5232-3-0x0000000000380000-0x0000000000685000-memory.dmp

              memory/5232-4-0x0000000000380000-0x0000000000685000-memory.dmp