Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • 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
  • Suspicious Office macro 1 IoCs

    Office document equipped with macros.

  • Loads dropped DLL 3 IoCs
  • 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.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c995d02e91582a73515e37d63c7eff6b838415646f0ffa1841ce55712f0a04e7.exe
    "C:\Users\Admin\AppData\Local\Temp\c995d02e91582a73515e37d63c7eff6b838415646f0ffa1841ce55712f0a04e7.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Local\Temp\._cache_c995d02e91582a73515e37d63c7eff6b838415646f0ffa1841ce55712f0a04e7.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_c995d02e91582a73515e37d63c7eff6b838415646f0ffa1841ce55712f0a04e7.exe"
      2⤵
      • Executes dropped EXE
      PID:1844
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1540
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:928

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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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\T8KVomJZ.xlsm

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • \ProgramData\Synaptics\Synaptics.exe

    MD5

    3d0450af38d8b1ab8b0be533e8890b59

    SHA1

    77afad6e7a7b32b3f065918db350bf3a3a1df4dd

    SHA256

    1713fd8e2558876f817866634b657e6b8dd53466c500385d39d3c6706b18de3d

    SHA512

    05a40ef76e29d5bff6b15cf2bfd27cbee31b729f562609306ea13b76138ab6d0dc96ba6cc4d38cfab54042e09c54572c4864ff79b4079d3b357966c3a3aaf7aa

  • \ProgramData\Synaptics\Synaptics.exe

    MD5

    3d0450af38d8b1ab8b0be533e8890b59

    SHA1

    77afad6e7a7b32b3f065918db350bf3a3a1df4dd

    SHA256

    1713fd8e2558876f817866634b657e6b8dd53466c500385d39d3c6706b18de3d

    SHA512

    05a40ef76e29d5bff6b15cf2bfd27cbee31b729f562609306ea13b76138ab6d0dc96ba6cc4d38cfab54042e09c54572c4864ff79b4079d3b357966c3a3aaf7aa

  • \Users\Admin\AppData\Local\Temp\._cache_c995d02e91582a73515e37d63c7eff6b838415646f0ffa1841ce55712f0a04e7.exe

    MD5

    7da88bfd5f05abd5a4ec0171c6bb4d8d

    SHA1

    b7069bf20f17d29fe7ca57ed6ff83603387dd7af

    SHA256

    2de06403ce98b86e7f30ae609a3e5c6d0fc37529b8382bbbb859c7ab25af635a

    SHA512

    91e35ca63a25a7fb8f51825f145a54bb55d76c35afe66493539b7035205c795a37557d3c3eac16ee6b9c0f8bfd2efcba2ade38e0b8a7d5f9755ebba922740348

  • memory/928-70-0x000000002F391000-0x000000002F394000-memory.dmp

    Filesize

    12KB

  • memory/928-72-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/928-71-0x0000000071B91000-0x0000000071B93000-memory.dmp

    Filesize

    8KB

  • memory/1540-69-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/1540-66-0x0000000000000000-mapping.dmp

  • memory/1844-62-0x0000000000000000-mapping.dmp

  • memory/1992-59-0x0000000075B31000-0x0000000075B33000-memory.dmp

    Filesize

    8KB

  • memory/1992-60-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB