Analysis

  • max time kernel
    114s
  • max time network
    119s
  • 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, 11:49

General

  • Target

    42c7bd1fa6cd872dcddfee0223c58720N.dll

  • Size

    76KB

  • MD5

    42c7bd1fa6cd872dcddfee0223c58720

  • SHA1

    7671f71fbd8d94fa6f80fb71f26004dd8eaad1fb

  • SHA256

    bb43ab4efdc568377e8c21af005fadecdbdfea7a35cffc2a868a20b4349612aa

  • SHA512

    119175b3af24577d56a8b4064882242287078e5e708f3f372302a07bba9a5bab06f1f6ce8fd7d8fadb2822e6b2c60f0d84acc603aa71ed73836c93270a01c7f6

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZaGrRF:c8y93KQjy7G55riF1cMo03bF

Score
7/10

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • Program crash 1 IoCs
  • 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.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c7bd1fa6cd872dcddfee0223c58720N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\42c7bd1fa6cd872dcddfee0223c58720N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4740
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 712
        3⤵
        • Program crash
        PID:2388
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4740 -ip 4740
    1⤵
      PID:3788
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4340,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=1904 /prefetch:8
      1⤵
        PID:4916

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4740-0-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/4740-1-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB