Analysis

  • max time kernel
    1s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2023 01:02

General

  • Target

    0967209acb6af811572b6576a90abd19.exe

  • Size

    3.1MB

  • MD5

    0967209acb6af811572b6576a90abd19

  • SHA1

    a5385c87600986a612a03d26ea1e9ff37ffdcc31

  • SHA256

    e72d1282f30fed67d34ed0eb66169c20d3744ab2d2bc1361d178412a8801da60

  • SHA512

    208d5740902ba0ee1afdfee46d1445fc2edd0579d2c0e50a742121fee0b10a174ed3e32f7ddf9f6239a3398d1adc154015eaf56da2a174f3d4a2fd9cac7c6a46

  • SSDEEP

    98304:T6YGnLzxmAf4GxIAfxmYPirQZRLzxmAf4GxIAfxmYPG:TCxmAf4vAOr2xxmAf4vAK

Score
7/10
upx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 33 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies data under HKEY_USERS 9 IoCs
  • Runs net.exe
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0967209acb6af811572b6576a90abd19.exe
    "C:\Users\Admin\AppData\Local\Temp\0967209acb6af811572b6576a90abd19.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4812
    • C:\Windows\SysWOW64\net.exe
      "C:\Windows\System32\net.exe" start winnet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2312
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 start winnet
        3⤵
          PID:3720
      • C:\Users\Admin\AppData\Local\Temp\CMD.exe
        "C:\Users\Admin\AppData\Local\Temp\CMD.exe" /C SET MXHOME=%cd%&SET MXBIN=%cd%&firedaemon -i winnet "%cd%" "%cd%\Winnet.exe" "Winnet.dll" Y 0 0 N Y>>debug.txt
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2460
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 376
      1⤵
      • Program crash
      PID:3356
    • C:\Users\Admin\AppData\Local\Temp\Winnet.exe
      C:\Users\Admin\AppData\Local\Temp\Winnet.exe
      1⤵
        PID:5104
      • C:\Users\Admin\AppData\Local\Temp\Winnet.exe
        C:\Users\Admin\AppData\Local\Temp\Winnet.exe
        1⤵
          PID:1824
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3208 -ip 3208
          1⤵
            PID:1852
          • C:\Users\Admin\AppData\Local\Temp\Winnet.exe
            C:\Users\Admin\AppData\Local\Temp\Winnet.exe Winnet.dll
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Modifies data under HKEY_USERS
            PID:2828
          • C:\Users\Admin\AppData\Local\Temp\Winnet.exe
            C:\Users\Admin\AppData\Local\Temp\Winnet.exe Winnet.dll
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Modifies data under HKEY_USERS
            PID:740
          • C:\Users\Admin\AppData\Local\Temp\FireDaemon.EXE
            C:\Users\Admin\AppData\Local\Temp\FireDaemon.EXE
            1⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3208
          • C:\Users\Admin\AppData\Local\Temp\firedaemon.exe
            firedaemon -i winnet "C:\Users\Admin\AppData\Local\Temp" "C:\Users\Admin\AppData\Local\Temp\Winnet.exe" "Winnet.dll" Y 0 0 N Y
            1⤵
            • Executes dropped EXE
            PID:1916

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/740-50-0x0000000061000000-0x0000000061162000-memory.dmp

            Filesize

            1.4MB

          • memory/740-37-0x0000000061000000-0x0000000061162000-memory.dmp

            Filesize

            1.4MB

          • memory/740-29-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/740-47-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/1824-63-0x0000000061000000-0x0000000061162000-memory.dmp

            Filesize

            1.4MB

          • memory/1824-82-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/1824-106-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/1824-62-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/1824-102-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/1824-98-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/1824-94-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/1824-45-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/1824-90-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/1824-86-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/1824-78-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/1824-74-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/1824-70-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/1824-66-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/1824-55-0x0000000061000000-0x0000000061162000-memory.dmp

            Filesize

            1.4MB

          • memory/1824-54-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/1824-58-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/1824-51-0x0000000061000000-0x0000000061162000-memory.dmp

            Filesize

            1.4MB

          • memory/1916-19-0x0000000000400000-0x0000000000416000-memory.dmp

            Filesize

            88KB

          • memory/1916-20-0x0000000000400000-0x0000000000416000-memory.dmp

            Filesize

            88KB

          • memory/2828-48-0x0000000061000000-0x0000000061162000-memory.dmp

            Filesize

            1.4MB

          • memory/2828-46-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/2828-36-0x0000000061000000-0x0000000061162000-memory.dmp

            Filesize

            1.4MB

          • memory/3208-24-0x0000000000400000-0x0000000000416000-memory.dmp

            Filesize

            88KB

          • memory/3208-53-0x0000000000400000-0x0000000000416000-memory.dmp

            Filesize

            88KB

          • memory/4812-22-0x0000000000400000-0x0000000000463000-memory.dmp

            Filesize

            396KB

          • memory/5104-108-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/5104-92-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/5104-80-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/5104-64-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/5104-65-0x0000000061000000-0x0000000061162000-memory.dmp

            Filesize

            1.4MB

          • memory/5104-72-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/5104-88-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/5104-68-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/5104-56-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/5104-76-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/5104-96-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/5104-57-0x0000000061000000-0x0000000061162000-memory.dmp

            Filesize

            1.4MB

          • memory/5104-60-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/5104-100-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/5104-49-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/5104-104-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/5104-52-0x0000000061000000-0x0000000061162000-memory.dmp

            Filesize

            1.4MB

          • memory/5104-84-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB