Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-09-2024 03:44

General

  • Target

    05d1cf1d8a06c7db5b6a37a616ef6f54fb13e863e9785cb431ae060efb04185b.exe

  • Size

    1.5MB

  • MD5

    ce5aed08ef0b8c758f49605d860dfbc0

  • SHA1

    6db3aa68327bfea13dd178b4e5e4694b9e726462

  • SHA256

    05d1cf1d8a06c7db5b6a37a616ef6f54fb13e863e9785cb431ae060efb04185b

  • SHA512

    6b8af571bfa24b3ef2f3faba08dc7e4a105df7fd86b9838da50241402385108096b3788e783fb7265529120505d11c76da91849bd9c0d36f3088a2c9fc8e2db0

  • SSDEEP

    24576:P4nXubIQGyxbPV0db26fLywtAvfAc+bv8++UHavwRerOC2V:Pqe3f6yqAH+7A4avwR51

Malware Config

Signatures

  • UAC bypass 3 TTPs 2 IoCs
  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • System policy modification 1 TTPs 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05d1cf1d8a06c7db5b6a37a616ef6f54fb13e863e9785cb431ae060efb04185b.exe
    "C:\Users\Admin\AppData\Local\Temp\05d1cf1d8a06c7db5b6a37a616ef6f54fb13e863e9785cb431ae060efb04185b.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3720
    • C:\Users\Admin\AppData\Local\Temp\is-DCS5I.tmp\05d1cf1d8a06c7db5b6a37a616ef6f54fb13e863e9785cb431ae060efb04185b.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-DCS5I.tmp\05d1cf1d8a06c7db5b6a37a616ef6f54fb13e863e9785cb431ae060efb04185b.tmp" /SL5="$702CA,776704,776704,C:\Users\Admin\AppData\Local\Temp\05d1cf1d8a06c7db5b6a37a616ef6f54fb13e863e9785cb431ae060efb04185b.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2788
      • C:\Users\Admin\AppData\Local\Temp\05d1cf1d8a06c7db5b6a37a616ef6f54fb13e863e9785cb431ae060efb04185b.exe
        "C:\Users\Admin\AppData\Local\Temp\05d1cf1d8a06c7db5b6a37a616ef6f54fb13e863e9785cb431ae060efb04185b.exe" /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /FORCECLOSEAPPLICATIONS
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4080
        • C:\Users\Admin\AppData\Local\Temp\is-UHBEP.tmp\05d1cf1d8a06c7db5b6a37a616ef6f54fb13e863e9785cb431ae060efb04185b.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-UHBEP.tmp\05d1cf1d8a06c7db5b6a37a616ef6f54fb13e863e9785cb431ae060efb04185b.tmp" /SL5="$E0058,776704,776704,C:\Users\Admin\AppData\Local\Temp\05d1cf1d8a06c7db5b6a37a616ef6f54fb13e863e9785cb431ae060efb04185b.exe" /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /FORCECLOSEAPPLICATIONS
          4⤵
          • UAC bypass
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:4260
          • C:\Windows\SysWOW64\netsh.exe
            "C:\Windows\system32\netsh.exe" advfirewall firewall delete rule name="Gear"
            5⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:1732
          • C:\Windows\SysWOW64\netsh.exe
            "C:\Windows\system32\netsh.exe" advfirewall firewall add rule name="Gear" dir=in action=allow program="C:\Program Files (x86)\Gear\Gear.exe" enable=yes
            5⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:3632
          • C:\Windows\SysWOW64\taskkill.exe
            "taskkill" /F /IM Gear.exe
            5⤵
            • System Location Discovery: System Language Discovery
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-DCS5I.tmp\05d1cf1d8a06c7db5b6a37a616ef6f54fb13e863e9785cb431ae060efb04185b.tmp

    Filesize

    3.0MB

    MD5

    ab518bda5c5f5be1bc85e491ced83924

    SHA1

    40b70d1759015cf35ff9823e636184544dc15e6d

    SHA256

    7857bc438cbb8c3492e8e169ed48a9c5c84e7c1d1ead989adf0bf159e74185c6

    SHA512

    69b2a737d3398502a487a65423c840308e82cd222546cfb646ca692c99b0cc46aeb34f245181c210b31394ece44ddb4c71ae4a961a1873a75432307bbca28f1e

  • memory/2788-6-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/2788-13-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/3720-0-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/3720-2-0x0000000000401000-0x00000000004B7000-memory.dmp

    Filesize

    728KB

  • memory/3720-15-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/4080-9-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/4080-11-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/4080-21-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/4260-20-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB

  • memory/4260-23-0x0000000000400000-0x0000000000705000-memory.dmp

    Filesize

    3.0MB