Analysis

  • max time kernel
    123s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    09-05-2021 19:23

General

  • Target

    c995d02e91582a73515e37d63c7eff6b838415646f0ffa1841ce55712f0a04e7.exe

  • Size

    920KB

  • MD5

    b029be4945669ea7ad292bf63cea4b59

  • SHA1

    494e33885a3496d619c8d565b94cddc776647a35

  • SHA256

    c995d02e91582a73515e37d63c7eff6b838415646f0ffa1841ce55712f0a04e7

  • SHA512

    ed387aa0113eeae43ea51508aafef34e638054e28bb82477d9d7751adac50c18584b4db640f42134c34302a065fc06902d8e35bbc51ba5ce446346366e854c41

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c995d02e91582a73515e37d63c7eff6b838415646f0ffa1841ce55712f0a04e7.exe
    "C:\Users\Admin\AppData\Local\Temp\c995d02e91582a73515e37d63c7eff6b838415646f0ffa1841ce55712f0a04e7.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Users\Admin\AppData\Local\Temp\._cache_c995d02e91582a73515e37d63c7eff6b838415646f0ffa1841ce55712f0a04e7.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_c995d02e91582a73515e37d63c7eff6b838415646f0ffa1841ce55712f0a04e7.exe"
      2⤵
      • Executes dropped EXE
      PID:1312
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:2292

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe
    MD5

    3d0450af38d8b1ab8b0be533e8890b59

    SHA1

    77afad6e7a7b32b3f065918db350bf3a3a1df4dd

    SHA256

    1713fd8e2558876f817866634b657e6b8dd53466c500385d39d3c6706b18de3d

    SHA512

    05a40ef76e29d5bff6b15cf2bfd27cbee31b729f562609306ea13b76138ab6d0dc96ba6cc4d38cfab54042e09c54572c4864ff79b4079d3b357966c3a3aaf7aa

  • C:\ProgramData\Synaptics\Synaptics.exe
    MD5

    3d0450af38d8b1ab8b0be533e8890b59

    SHA1

    77afad6e7a7b32b3f065918db350bf3a3a1df4dd

    SHA256

    1713fd8e2558876f817866634b657e6b8dd53466c500385d39d3c6706b18de3d

    SHA512

    05a40ef76e29d5bff6b15cf2bfd27cbee31b729f562609306ea13b76138ab6d0dc96ba6cc4d38cfab54042e09c54572c4864ff79b4079d3b357966c3a3aaf7aa

  • C:\Users\Admin\AppData\Local\Temp\._cache_c995d02e91582a73515e37d63c7eff6b838415646f0ffa1841ce55712f0a04e7.exe
    MD5

    7da88bfd5f05abd5a4ec0171c6bb4d8d

    SHA1

    b7069bf20f17d29fe7ca57ed6ff83603387dd7af

    SHA256

    2de06403ce98b86e7f30ae609a3e5c6d0fc37529b8382bbbb859c7ab25af635a

    SHA512

    91e35ca63a25a7fb8f51825f145a54bb55d76c35afe66493539b7035205c795a37557d3c3eac16ee6b9c0f8bfd2efcba2ade38e0b8a7d5f9755ebba922740348

  • C:\Users\Admin\AppData\Local\Temp\._cache_c995d02e91582a73515e37d63c7eff6b838415646f0ffa1841ce55712f0a04e7.exe
    MD5

    7da88bfd5f05abd5a4ec0171c6bb4d8d

    SHA1

    b7069bf20f17d29fe7ca57ed6ff83603387dd7af

    SHA256

    2de06403ce98b86e7f30ae609a3e5c6d0fc37529b8382bbbb859c7ab25af635a

    SHA512

    91e35ca63a25a7fb8f51825f145a54bb55d76c35afe66493539b7035205c795a37557d3c3eac16ee6b9c0f8bfd2efcba2ade38e0b8a7d5f9755ebba922740348

  • memory/1312-115-0x0000000000000000-mapping.dmp
  • memory/1824-114-0x0000000000540000-0x00000000005EE000-memory.dmp
    Filesize

    696KB

  • memory/2292-118-0x0000000000000000-mapping.dmp
  • memory/2292-121-0x0000000000640000-0x0000000000641000-memory.dmp
    Filesize

    4KB