Analysis

  • max time kernel
    118s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    12/11/2024, 11:51

General

  • Target

    9e5a41afa9428ac0083d29a5b08c1ef7e6ad8f589f28631ba759bb97c9143d6e.exe

  • Size

    233KB

  • MD5

    2478d552a2c96eb945dae48f392f986a

  • SHA1

    aee5cf376ec62b0d101df0850bc90dc102474b63

  • SHA256

    9e5a41afa9428ac0083d29a5b08c1ef7e6ad8f589f28631ba759bb97c9143d6e

  • SHA512

    db37581c254898c452985a9afbf23fc88271b1a6cc306c21e1678b9c5de8ce9ee89f30ec8b703ee0fa5279533f395ac8c7cb88a1b79fadf16cf75b9646104d0d

  • SSDEEP

    3072:fs5jAp7XSXDHAGjTmwoI+2Msl1gwW/ZJK7bJ1A50MW5UtU88q/S2jbxWGqJsV:fsapAL/jTroImi1ArWOtU8J/SbGqJU

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • 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.

  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9e5a41afa9428ac0083d29a5b08c1ef7e6ad8f589f28631ba759bb97c9143d6e.exe
    "C:\Users\Admin\AppData\Local\Temp\9e5a41afa9428ac0083d29a5b08c1ef7e6ad8f589f28631ba759bb97c9143d6e.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    PID:388
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {4D8C61EE-3338-4361-AB22-73D376A9C833} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2488
    • C:\PROGRA~3\Mozilla\yofzeuh.exe
      C:\PROGRA~3\Mozilla\yofzeuh.exe -qmgjyzc
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      PID:1976

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\PROGRA~3\Mozilla\yofzeuh.exe

          Filesize

          233KB

          MD5

          5c6d56caf5b651f2c38af4bb5b4335c0

          SHA1

          d7a139c7a68de491cf7c04332b5303e3eb5b8bc6

          SHA256

          58d00238ea6ad7aee2d5697f66419eb4804dffbe0f1ea5fbeb4e0f2f4f6c66f7

          SHA512

          91e88004001eec09f91d3026ce1b4e4485f3d6bcff1acb5739d9142ef4fd879d04c72958fbeee59bbfb0dd926f73c7a4629fe658c6172faf94e343391c1aaa10

        • memory/388-0-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/388-1-0x0000000000460000-0x00000000004BC000-memory.dmp

          Filesize

          368KB

        • memory/388-2-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/388-4-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/388-5-0x0000000000460000-0x00000000004BC000-memory.dmp

          Filesize

          368KB

        • memory/1976-8-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/1976-9-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/1976-11-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB