Overview

overview

10

Static

static

3

7fb855a7a2...a5.dll

windows7-x64

10

7fb855a7a2...a5.dll

windows10-2004-x64

10

Analysis

  • max time kernel
    26s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    16/07/2024, 07:05

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General

  • Target

    7fb855a7a2d4a2e2be9c1b6a1a87ca57aa8fc927df628d48be54156661de70a5.dll

  • Size

    163KB

  • MD5

    7bb455ea4a77b24478fba4de145115eb

  • SHA1

    c3d4becb6dbf94e948f7a3a81a73507d99a762b4

  • SHA256

    7fb855a7a2d4a2e2be9c1b6a1a87ca57aa8fc927df628d48be54156661de70a5

  • SHA512

    8f2c7b918fe88f15b2b750e746d8d787e4ce62e65c98ce7a0963601064b616a83aedc36900b576f8309556634105830da37ecc971f03000231668a8bd2c7ec9d

  • SSDEEP

    3072:1t71jK3BcHPJvFQPsCK3U7nEyewA4JSoOYM0hRbuJrbJAkio/7+F7Vxq:nmkBFQPsCK3UwlwSoOahxuJrd/ioiBVs

Score
10/10
evasion

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1204
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7fb855a7a2d4a2e2be9c1b6a1a87ca57aa8fc927df628d48be54156661de70a5.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2076
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\7fb855a7a2d4a2e2be9c1b6a1a87ca57aa8fc927df628d48be54156661de70a5.dll,#1
        3⤵
        • Modifies visibility of file extensions in Explorer
        • Enumerates connected drives
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2120
        • C:\Windows\SysWOW64\explorer.exe
          explorer C:\Users\Admin\AppData
          4⤵
            PID:2956
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\7fb855a7a2d4a2e2be9c1b6a1a87ca57aa8fc927df628d48be54156661de70a5.dll
        2⤵
          PID:2860

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • memory/1204-5-0x00000000029B0000-0x00000000029B1000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2120-1-0x00000000003B0000-0x00000000003D1000-memory.dmp

        Filesize

        132KB

        Download

      • memory/2120-3-0x00000000003B0000-0x00000000003D1000-memory.dmp

        Filesize

        132KB

        Download

      • memory/2120-6-0x00000000003B0000-0x00000000003D1000-memory.dmp

        Filesize

        132KB

        Download

      • memory/2120-7-0x000000007778F000-0x0000000077790000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2120-8-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2536-9-0x0000000003A10000-0x0000000003A20000-memory.dmp

        Filesize

        64KB

        Download