Analysis

  • max time kernel
    16s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2024 00:32

General

  • Target

    ac494205f38dc31a976d8d5e5e055a27e634625b9cf95d046ad0bf18f9a443b2N.dll

  • Size

    140KB

  • MD5

    81bbdaf7d1a9102e7dc6b07c99aae9a0

  • SHA1

    f47d1b65a127de229f283e5d4df17b4557b08682

  • SHA256

    ac494205f38dc31a976d8d5e5e055a27e634625b9cf95d046ad0bf18f9a443b2

  • SHA512

    04bf1bb3aedc12900f00736f56dbe647407b1b375413cfebd8b449c9c02bc05ccd74e6c391e5ddc3d405fb07be56f2dacc7992aa202deed3c01faaca6845c3dd

  • SSDEEP

    3072:68t1Ohg3RWQZh5zPIHVyDvhmCyaenWVo/estel5XkATa/hG:omRWQn5zaVQVenWVoWsIr6G

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 9 IoCs
  • Drops file in System32 directory 1 IoCs
  • Program crash 1 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 WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac494205f38dc31a976d8d5e5e055a27e634625b9cf95d046ad0bf18f9a443b2N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac494205f38dc31a976d8d5e5e055a27e634625b9cf95d046ad0bf18f9a443b2N.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2492
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2228
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 100
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:2084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    60KB

    MD5

    94f2f6ffbba8e7644668b51b39983916

    SHA1

    63357bbdf90101969117983dbc0d4ed0e713c4d7

    SHA256

    ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

    SHA512

    d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

  • memory/2492-0-0x00000000658D0000-0x00000000658F4000-memory.dmp

    Filesize

    144KB

  • memory/2492-2-0x00000000658D0000-0x00000000658F4000-memory.dmp

    Filesize

    144KB