Analysis

  • max time kernel
    137s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 17:24

General

  • Target

    1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1.exe

  • Size

    31KB

  • MD5

    9d8383a43f08f41fefb1b24a7a872aa4

  • SHA1

    04133f5b737c9d017755fda7bf9adff80b7d57a5

  • SHA256

    1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1

  • SHA512

    8367b876a3ede613345abf361ed6c369f35bd7d506f1e79765ec327fe084e59c850bb8258e01ee0081fc82cc3961dd4d3eba9e080dece7f257e94b9fce445c14

  • SSDEEP

    768:gOaHYlZQQ4BeUySXCQGPL4vzZq2o9W7GsxBbPr:4qZqBeUySXxGCq2iW7z

Malware Config

Signatures

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • 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.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1.exe
    "C:\Users\Admin\AppData\Local\Temp\1dbc7ea38e544f3c7736983420d60182104fb2768608f3507c0a7e70aa5534f1.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3680
    • C:\Users\Admin\AppData\Local\Temp\DTGdMk.exe
      C:\Users\Admin\AppData\Local\Temp\DTGdMk.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\264517b3.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3680 -s 236
      2⤵
      • Program crash
      PID:1164
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3680 -ip 3680
    1⤵
      PID:2576

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MQYRE6E5\k2[1].rar

      Filesize

      4B

      MD5

      d3b07384d113edec49eaa6238ad5ff00

      SHA1

      f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

      SHA256

      b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

      SHA512

      0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

    • C:\Users\Admin\AppData\Local\Temp\264517b3.bat

      Filesize

      187B

      MD5

      0798b7268572acc9e01ae637b70a16ab

      SHA1

      898b5dd96567f622d5477b5493d88b02d26a14b3

      SHA256

      09f24d6e357e375ecb7d31590e965a6d0fb807afda2383197aafcbc4bba3c628

      SHA512

      3eb1c06ea57df4522d9b5fc4ed51f588916b7650ced6d49c93a7ecfbad4c7508fe22a5bef3d6ba79468f53ba03fb588326924d39c54764f1832c1e132602c867

    • C:\Users\Admin\AppData\Local\Temp\354A4D3C.exe

      Filesize

      4B

      MD5

      20879c987e2f9a916e578386d499f629

      SHA1

      c7b33ddcc42361fdb847036fc07e880b81935d5d

      SHA256

      9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

      SHA512

      bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

    • C:\Users\Admin\AppData\Local\Temp\DTGdMk.exe

      Filesize

      15KB

      MD5

      f7d21de5c4e81341eccd280c11ddcc9a

      SHA1

      d4e9ef10d7685d491583c6fa93ae5d9105d815bd

      SHA256

      4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

      SHA512

      e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

    • memory/1772-5-0x0000000000A60000-0x0000000000A69000-memory.dmp

      Filesize

      36KB

    • memory/1772-47-0x0000000000A60000-0x0000000000A69000-memory.dmp

      Filesize

      36KB

    • memory/3680-0-0x0000000000D90000-0x0000000000D9D000-memory.dmp

      Filesize

      52KB

    • memory/3680-7-0x0000000000D90000-0x0000000000D9D000-memory.dmp

      Filesize

      52KB