Analysis

  • max time kernel
    206s
  • max time network
    266s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 04:14

General

  • Target

    d226c99e9bc6a828927219aa1be52eaa9e0b2ead749b2cc92cde8eb145725add.dll

  • Size

    447KB

  • MD5

    66f6540c01e1be01cb78879eff8b219f

  • SHA1

    2cb6c156da4b09ecb4913ef08ca533b3b21b9404

  • SHA256

    d226c99e9bc6a828927219aa1be52eaa9e0b2ead749b2cc92cde8eb145725add

  • SHA512

    9ab83331a81c28aed641b2aefe55942c01f5572f5d05fe9f9beaafaa9a8e3a9a9905a30e284145e77eba506a5446be684f724e56e6406eaf2c76314a2e6bf737

  • SSDEEP

    6144:VL9/cggP/6CEZ9pC7dEmv5woTewAAFbS1XJ0nQKk8i2vRbeRi+mEH+ELLe+5h//K:V5/i8CJEmvDTbSxJmOr7+EXe++ZOg

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Adds Run key to start application 2 TTPs 2 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 WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d226c99e9bc6a828927219aa1be52eaa9e0b2ead749b2cc92cde8eb145725add.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d226c99e9bc6a828927219aa1be52eaa9e0b2ead749b2cc92cde8eb145725add.dll,#1
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1516
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\d226c99e9bc6a828927219aa1be52eaa9e0b2ead749b2cc92cde8eb145725add.dll",watch
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:540
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\d226c99e9bc6a828927219aa1be52eaa9e0b2ead749b2cc92cde8eb145725add.dll",xserve
        3⤵
        • Blocklisted process makes network request
        PID:1940

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/540-60-0x0000000000000000-mapping.dmp

  • memory/540-72-0x0000000000310000-0x0000000000410000-memory.dmp

    Filesize

    1024KB

  • memory/540-74-0x0000000000310000-0x0000000000410000-memory.dmp

    Filesize

    1024KB

  • memory/1516-54-0x0000000000000000-mapping.dmp

  • memory/1516-55-0x0000000076931000-0x0000000076933000-memory.dmp

    Filesize

    8KB

  • memory/1516-56-0x0000000074F30000-0x0000000074FEE000-memory.dmp

    Filesize

    760KB

  • memory/1940-66-0x0000000000000000-mapping.dmp

  • memory/1940-73-0x00000000009B0000-0x0000000000AB0000-memory.dmp

    Filesize

    1024KB