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Analysis

  • max time kernel
    120s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/09/2024, 14:31

General

  • Target

    icudtl.dat

  • Size

    9.9MB

  • MD5

    70499b58dc18e7ee1d7452a1d7a8bc6e

  • SHA1

    41c5382f08c6a88670ce73a20c0dcdb3822f19e9

  • SHA256

    02db39ba465fc8b7a4cd280732760f29911edde87b331bf7cea7677e94d483e0

  • SHA512

    a80939e9809bb7d20f00ad685c94d5c182fa729616c975e605abf09afb58376be73a49fefa35b75ed1a284eccf208af7656c8df44c5959df7eaf51367d232dc6

  • SSDEEP

    196608:uUGwSv9AAQnt6liXUxR0rHa93WhlU6t7CLhl:uoKlQnAliXUxR0rHa93WhlU6t+Ln

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Modifies registry class 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\icudtl.dat
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\icudtl.dat
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2604
      • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
        "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\icudtl.dat"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:2568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

    Filesize

    3KB

    MD5

    490eff41b5e7cb3c79421adf50d82ad9

    SHA1

    651eefad915a148b942af3c3fc516d7ca2ff6852

    SHA256

    5c5d06635ad01530917ea8d7784ea3df90232a2fce1958bf172b73491988dca5

    SHA512

    4bfd1d3698cef0f6d9244a59c45f5e0e5c9556e0a0515c2bb2a3cd60bbfde44efc26ff529672edc6d4e1293157335eda62f317c1f368e9febdfded3da6837643