Analysis

  • max time kernel
    140s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/07/2024, 01:45

General

  • Target

    1f0399899fa16b89773167d87b10d2add2364e2ad9a1e32da537220ad0253c50.exe

  • Size

    1.4MB

  • MD5

    a8f847d3f2d2e79599884ec078cbbd8e

  • SHA1

    1b5c86c5e1352bda849e0ac6e16872a7eb46e931

  • SHA256

    1f0399899fa16b89773167d87b10d2add2364e2ad9a1e32da537220ad0253c50

  • SHA512

    1e6117708cb7dee60f2dfb0d1687a52d65e7c8632d35fab305a999d281cf0ab17c252828556526753c4e8bff2d5bb7a1dfb10d91f2c8ee75dc6a3b87e8d273ab

  • SSDEEP

    12288:WZgSKWk54jeg6lL5assQHtzV2KoLJ+PwXxwuLSJ8slf1zMr6iL/KNDx2PIXe2Q:KgoLetlLS8tz6V+PwD0XVMrXCNDxtK

Malware Config

Signatures

  • Troldesh, Shade, Encoder.858

    Troldesh is a ransomware spread by malspam.

  • 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
  • UPX packed file 7 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f0399899fa16b89773167d87b10d2add2364e2ad9a1e32da537220ad0253c50.exe
    "C:\Users\Admin\AppData\Local\Temp\1f0399899fa16b89773167d87b10d2add2364e2ad9a1e32da537220ad0253c50.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:384
    • C:\Users\Admin\AppData\Local\Temp\DyiyjG.exe
      C:\Users\Admin\AppData\Local\Temp\DyiyjG.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:380
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2e301823.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4372

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\5G8JI3LV\k2[1].rar

          Filesize

          4B

          MD5

          d3b07384d113edec49eaa6238ad5ff00

          SHA1

          f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

          SHA256

          b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

          SHA512

          0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

        • C:\Users\Admin\AppData\Local\Temp\0B8936DE.exe

          Filesize

          4B

          MD5

          20879c987e2f9a916e578386d499f629

          SHA1

          c7b33ddcc42361fdb847036fc07e880b81935d5d

          SHA256

          9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

          SHA512

          bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

        • C:\Users\Admin\AppData\Local\Temp\2e301823.bat

          Filesize

          187B

          MD5

          601f5f31a188d2a5ef9840cb49d91e5f

          SHA1

          ea68d37d2468261f3c18e80214f03ab500a3f3b1

          SHA256

          4cb850cbb4a7ff38ea2e299ae51fb44281e6a05ad71e8d4d158107a3bcdc26c1

          SHA512

          ac8cb10166134c75c1604e986ea4c29a64032c2c33eabe626feedce8451b2653839eedcfb42a31dc21e65c374d699647602be72c1487de622156d34e41462217

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

          Filesize

          15KB

          MD5

          f7d21de5c4e81341eccd280c11ddcc9a

          SHA1

          d4e9ef10d7685d491583c6fa93ae5d9105d815bd

          SHA256

          4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

          SHA512

          e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

        • memory/380-4-0x0000000000BB0000-0x0000000000BB9000-memory.dmp

          Filesize

          36KB

        • memory/380-55-0x0000000000BB0000-0x0000000000BB9000-memory.dmp

          Filesize

          36KB

        • memory/384-7-0x0000000002300000-0x00000000023CE000-memory.dmp

          Filesize

          824KB

        • memory/384-18-0x0000000000400000-0x00000000005DE000-memory.dmp

          Filesize

          1.9MB

        • memory/384-20-0x0000000000400000-0x00000000005DE000-memory.dmp

          Filesize

          1.9MB

        • memory/384-17-0x0000000000400000-0x00000000005DE000-memory.dmp

          Filesize

          1.9MB

        • memory/384-9-0x0000000000400000-0x00000000005DE000-memory.dmp

          Filesize

          1.9MB

        • memory/384-8-0x0000000000400000-0x00000000005DE000-memory.dmp

          Filesize

          1.9MB

        • memory/384-0-0x0000000000400000-0x00000000005E3000-memory.dmp

          Filesize

          1.9MB

        • memory/384-58-0x0000000000400000-0x00000000005E3000-memory.dmp

          Filesize

          1.9MB

        • memory/384-60-0x0000000000400000-0x00000000005DE000-memory.dmp

          Filesize

          1.9MB