Overview

overview

10

Static

static

7

a7f1e021a9...18.dll

windows7-x64

10

a7f1e021a9...18.dll

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/08/2024, 19:37

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General

  • Target

    a7f1e021a9a617cfe851b67552ca1dbe_JaffaCakes118.dll

  • Size

    154KB

  • MD5

    a7f1e021a9a617cfe851b67552ca1dbe

  • SHA1

    261400724389e07f16a84f35f03473b67c62929f

  • SHA256

    7aaface815698cd848bce04c88c62fef02232a1ae430b421e08afe7bb5802a44

  • SHA512

    34d0fb437da838524ff15c4118958c92117a20c5d51596122c8e88e03eb4a49c9da5d5fab4f8883dbd856f64cfd7087d5c78ff0db74705c5b3ffb4888e23b5b6

  • SSDEEP

    3072:xJ6Hkd6umZ9zvsMA3oXeqGsUEYdjE/ei+uYNVdMdRVvzoodmix4:RE7ZxvsMo0Klsei+RVdORxzjwn

Score
10/10
discoveryevasionupx

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
    adwarespyware
  • Modifies registry class 32 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of UnmapMainImage
    PID:3472
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7f1e021a9a617cfe851b67552ca1dbe_JaffaCakes118.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4424
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7f1e021a9a617cfe851b67552ca1dbe_JaffaCakes118.dll,#1
        3⤵
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4428
        • C:\Windows\SysWOW64\explorer.exe
          explorer C:\Users\Admin\AppData
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1784
  • 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: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:3608
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1648

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • memory/4428-0-0x0000000010000000-0x000000001001A000-memory.dmp

            Filesize

            104KB

            Download

          • memory/4428-5-0x0000000000FD0000-0x0000000000FF1000-memory.dmp

            Filesize

            132KB

            Download

          • memory/4428-4-0x0000000000FD0000-0x0000000000FF1000-memory.dmp

            Filesize

            132KB

            Download

          • memory/4428-9-0x000000007F520000-0x000000007F521000-memory.dmp

            Filesize

            4KB

            Download

          • memory/4428-8-0x0000000077E22000-0x0000000077E23000-memory.dmp

            Filesize

            4KB

            Download

          • memory/4428-7-0x0000000000FD0000-0x0000000000FF1000-memory.dmp

            Filesize

            132KB

            Download

          • memory/4428-11-0x0000000010000000-0x000000001001A000-memory.dmp

            Filesize

            104KB

            Download

          • memory/4428-12-0x0000000000FD0000-0x0000000000FF1000-memory.dmp

            Filesize

            132KB

            Download