Analysis

  • max time kernel
    44s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    19-01-2023 16:38

General

  • Target

    1b6e1188112772c78051e25d51e97db0aba461f6e031cdb98af8f2279731444d.exe

  • Size

    825KB

  • MD5

    30316fe7b005a9290642487257f5d272

  • SHA1

    9853434d6fd84e02caf658b3df7ec9c67f706df4

  • SHA256

    1b6e1188112772c78051e25d51e97db0aba461f6e031cdb98af8f2279731444d

  • SHA512

    d62e86094c9468edea83e2f506c970fe51c29d09f3c893a1233828e277d76278842de0f9737ab6dbe467e979da709a34f78ea5006d54bc2e2e9100e56fa62613

  • SSDEEP

    24576:UEqUtbqFIaESpE8uhmTapaUZoluIaxrwiS2:UVUt5XS4cUZo0zr62

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b6e1188112772c78051e25d51e97db0aba461f6e031cdb98af8f2279731444d.exe
    "C:\Users\Admin\AppData\Local\Temp\1b6e1188112772c78051e25d51e97db0aba461f6e031cdb98af8f2279731444d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\1b6e1188112772c78051e25d51e97db0aba461f6e031cdb98af8f2279731444d.exe
      "C:\Users\Admin\AppData\Local\Temp\1b6e1188112772c78051e25d51e97db0aba461f6e031cdb98af8f2279731444d.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:980
      • C:\Users\Admin\AppData\Local\Temp\1b6e1188112772c78051e25d51e97db0aba461f6e031cdb98af8f2279731444d.exe
        "C:\Users\Admin\AppData\Local\Temp\1b6e1188112772c78051e25d51e97db0aba461f6e031cdb98af8f2279731444d.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1692
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
          dw20.exe -x -s 856
          4⤵
            PID:1160

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\nst4CEA.tmp\System.dll

      Filesize

      11KB

      MD5

      883eff06ac96966270731e4e22817e11

      SHA1

      523c87c98236cbc04430e87ec19b977595092ac8

      SHA256

      44e5dfd551b38e886214bd6b9c8ee913c4c4d1f085a6575d97c3e892b925da82

      SHA512

      60333253342476911c84bbc1d9bf8a29f811207787fdd6107dce8d2b6e031669303f28133ffc811971ed7792087fe90fb1faabc0af4e91c298ba51e28109a390

    • \Users\Admin\AppData\Roaming\IP.dll

      Filesize

      85KB

      MD5

      3ce12db61d191b38ecedfee86120698a

      SHA1

      1712a069b6a6824cc60ec52c073ba1475854e640

      SHA256

      e0fcb0b7da1c78124836b7fdd521bb4978a784c56613f807d17de905320df443

      SHA512

      91d988a69188ed371916e0d096bd165c95f7ae991d2e8113646475226c579ed59a5d4cde6d7189ce72dbde973bd1206974185c1e3449a7ec220b8f47cf3ddbb6

    • memory/980-69-0x0000000000400000-0x00000000004A6000-memory.dmp

      Filesize

      664KB

    • memory/980-58-0x0000000000400000-0x00000000004A6000-memory.dmp

      Filesize

      664KB

    • memory/980-59-0x0000000000400000-0x00000000004A6000-memory.dmp

      Filesize

      664KB

    • memory/980-61-0x0000000000400000-0x00000000004A6000-memory.dmp

      Filesize

      664KB

    • memory/980-62-0x0000000000400000-0x00000000004A6000-memory.dmp

      Filesize

      664KB

    • memory/980-64-0x0000000000400000-0x00000000004A6000-memory.dmp

      Filesize

      664KB

    • memory/980-66-0x0000000000400000-0x00000000004A6000-memory.dmp

      Filesize

      664KB

    • memory/980-67-0x00000000004081F6-mapping.dmp

    • memory/1160-90-0x0000000000000000-mapping.dmp

    • memory/1692-74-0x0000000000400000-0x0000000000524000-memory.dmp

      Filesize

      1.1MB

    • memory/1692-85-0x0000000000400000-0x0000000000524000-memory.dmp

      Filesize

      1.1MB

    • memory/1692-72-0x0000000000400000-0x0000000000524000-memory.dmp

      Filesize

      1.1MB

    • memory/1692-93-0x0000000074C50000-0x00000000751FB000-memory.dmp

      Filesize

      5.7MB

    • memory/1692-76-0x0000000000400000-0x0000000000524000-memory.dmp

      Filesize

      1.1MB

    • memory/1692-77-0x0000000000400000-0x0000000000524000-memory.dmp

      Filesize

      1.1MB

    • memory/1692-80-0x0000000000400000-0x0000000000524000-memory.dmp

      Filesize

      1.1MB

    • memory/1692-81-0x0000000000472B6E-mapping.dmp

    • memory/1692-84-0x0000000000400000-0x0000000000524000-memory.dmp

      Filesize

      1.1MB

    • memory/1692-70-0x0000000000400000-0x0000000000524000-memory.dmp

      Filesize

      1.1MB

    • memory/1692-86-0x0000000000402000-0x0000000000472C00-memory.dmp

      Filesize

      451KB

    • memory/1692-87-0x0000000000402000-0x0000000000472C00-memory.dmp

      Filesize

      451KB

    • memory/1692-88-0x0000000000400000-0x0000000000524000-memory.dmp

      Filesize

      1.1MB

    • memory/1692-89-0x0000000074C50000-0x00000000751FB000-memory.dmp

      Filesize

      5.7MB

    • memory/1692-92-0x0000000000400000-0x0000000000524000-memory.dmp

      Filesize

      1.1MB

    • memory/2028-57-0x0000000000540000-0x000000000055B000-memory.dmp

      Filesize

      108KB

    • memory/2028-54-0x0000000075A71000-0x0000000075A73000-memory.dmp

      Filesize

      8KB