Analysis

  • max time kernel
    152s
  • max time network
    86s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2022 00:10

General

  • Target

    b6ff7c624cfb67c94be3e75975b10c51fdb669139cde1ed2967909942304c24a.exe

  • Size

    192KB

  • MD5

    67b2b6cce293a771abb7ae7e34961d90

  • SHA1

    aa30a055d122db851759d4a91996c2ee0b29e11c

  • SHA256

    b6ff7c624cfb67c94be3e75975b10c51fdb669139cde1ed2967909942304c24a

  • SHA512

    0897f10d4a042bd5b7547c076acc26c68086f3ba02efac800a8c4a74dc352a2c6d5408d5a7330c2b07be535b54da77c59a106dad15f57fb87e3c01e0202b9b29

  • SSDEEP

    3072:mwBJObh+RH5UL1iUG3KgKLKRKoVqR5VxerayK/fObT/bGicFgvXb6jGJBXX:mwBJ8cRZSgKgKLKRKoVqRTxEpK/fObTR

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 53 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b6ff7c624cfb67c94be3e75975b10c51fdb669139cde1ed2967909942304c24a.exe
    "C:\Users\Admin\AppData\Local\Temp\b6ff7c624cfb67c94be3e75975b10c51fdb669139cde1ed2967909942304c24a.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:900
    • C:\Users\Admin\cjtit.exe
      "C:\Users\Admin\cjtit.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2012

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\cjtit.exe

    Filesize

    192KB

    MD5

    326f8b46eeaff6f42a8019cb17c03609

    SHA1

    68c8ed11ce96ca9bdb5a25251820ace470568bae

    SHA256

    4d4c2c0a27f0213eb1358c483c54a1b94e252db83e9dbe753076863a87d14bad

    SHA512

    f34e9ef9c13e767cd36df77803be1aac435f4e5ba3bc930a95c10a2db2bb53e0b4279b5083e5cb2f36aeb48aeedf7e1805bca3979a5a1731b5e225b4dd5a5a8c

  • C:\Users\Admin\cjtit.exe

    Filesize

    192KB

    MD5

    326f8b46eeaff6f42a8019cb17c03609

    SHA1

    68c8ed11ce96ca9bdb5a25251820ace470568bae

    SHA256

    4d4c2c0a27f0213eb1358c483c54a1b94e252db83e9dbe753076863a87d14bad

    SHA512

    f34e9ef9c13e767cd36df77803be1aac435f4e5ba3bc930a95c10a2db2bb53e0b4279b5083e5cb2f36aeb48aeedf7e1805bca3979a5a1731b5e225b4dd5a5a8c

  • \Users\Admin\cjtit.exe

    Filesize

    192KB

    MD5

    326f8b46eeaff6f42a8019cb17c03609

    SHA1

    68c8ed11ce96ca9bdb5a25251820ace470568bae

    SHA256

    4d4c2c0a27f0213eb1358c483c54a1b94e252db83e9dbe753076863a87d14bad

    SHA512

    f34e9ef9c13e767cd36df77803be1aac435f4e5ba3bc930a95c10a2db2bb53e0b4279b5083e5cb2f36aeb48aeedf7e1805bca3979a5a1731b5e225b4dd5a5a8c

  • \Users\Admin\cjtit.exe

    Filesize

    192KB

    MD5

    326f8b46eeaff6f42a8019cb17c03609

    SHA1

    68c8ed11ce96ca9bdb5a25251820ace470568bae

    SHA256

    4d4c2c0a27f0213eb1358c483c54a1b94e252db83e9dbe753076863a87d14bad

    SHA512

    f34e9ef9c13e767cd36df77803be1aac435f4e5ba3bc930a95c10a2db2bb53e0b4279b5083e5cb2f36aeb48aeedf7e1805bca3979a5a1731b5e225b4dd5a5a8c

  • memory/900-56-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/900-57-0x0000000076071000-0x0000000076073000-memory.dmp

    Filesize

    8KB

  • memory/900-65-0x0000000002E40000-0x0000000002E82000-memory.dmp

    Filesize

    264KB

  • memory/900-66-0x0000000002E40000-0x0000000002E82000-memory.dmp

    Filesize

    264KB

  • memory/900-69-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2012-60-0x0000000000000000-mapping.dmp

  • memory/2012-67-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB