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Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2022, 13:37

General

  • Target

    c2c12f037eaed386f44de67d0aa4a6c9ebce4cf884f51711f5774d630f59b639.exe

  • Size

    909KB

  • MD5

    49d7aa485f5bc619fab70018135fe746

  • SHA1

    35d6bc56d95159fa0b2052d3476433c4eb44915b

  • SHA256

    c2c12f037eaed386f44de67d0aa4a6c9ebce4cf884f51711f5774d630f59b639

  • SHA512

    30c7d79ff9000b55f300a0cef99433f11cdd2468903ae9892f482c0224891a9eca8cf0cec03b23889488c95e0ef74d686d65622c71f6a89321d50c925b22f8a8

  • SSDEEP

    3072:ngv9bqpaMausTDYBh7SYmdULiiLnEKhf0TTE5jk/RtRlHAkAtzfKtLy8YFqhctm5:KZu5Zh7ydGnEIjagkAtzuNcdtxEUvLIT

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c2c12f037eaed386f44de67d0aa4a6c9ebce4cf884f51711f5774d630f59b639.exe
    "C:\Users\Admin\AppData\Local\Temp\c2c12f037eaed386f44de67d0aa4a6c9ebce4cf884f51711f5774d630f59b639.exe"
    1⤵
    • Adds policy Run key to start application
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4324
    • C:\Windows\SysWOW64\eudceditg.exe
      C:\Windows\SysWOW64\eudceditg.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3496
    • C:\Windows\SysWOW64\cmd.exe
      /c C:\Users\Admin\AppData\Local\Temp\~unins1189.bat "C:\Users\Admin\AppData\Local\Temp\c2c12f037eaed386f44de67d0aa4a6c9ebce4cf884f51711f5774d630f59b639.exe"
      2⤵
        PID:4596

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~unins1189.bat

      Filesize

      49B

      MD5

      9e0a2f5ab30517809b95a1ff1dd98c53

      SHA1

      5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

      SHA256

      97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

      SHA512

      e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

    • C:\Windows\SysWOW64\eudceditg.exe

      Filesize

      206KB

      MD5

      104b2719ab3feffe10e606063f77bc08

      SHA1

      5f80d2a57c2faa0b36cffe8a0f39e285faf1644a

      SHA256

      c0a9fb84c2216200d999316217404849d58328d2af30b9e7f41793f71c6ced44

      SHA512

      f17944ed0133fdb7d268c45818166c59186ee13c93013147bd2fa367cc3620ea01884c25e1f3dea9aa63e89e87d2176b0961ec403f1b107c6ed4fbd2b7355b2c

    • C:\Windows\SysWOW64\eudceditg.exe

      Filesize

      206KB

      MD5

      104b2719ab3feffe10e606063f77bc08

      SHA1

      5f80d2a57c2faa0b36cffe8a0f39e285faf1644a

      SHA256

      c0a9fb84c2216200d999316217404849d58328d2af30b9e7f41793f71c6ced44

      SHA512

      f17944ed0133fdb7d268c45818166c59186ee13c93013147bd2fa367cc3620ea01884c25e1f3dea9aa63e89e87d2176b0961ec403f1b107c6ed4fbd2b7355b2c

    • memory/3496-146-0x0000000074370000-0x0000000074921000-memory.dmp

      Filesize

      5.7MB

    • memory/3496-147-0x0000000074370000-0x0000000074921000-memory.dmp

      Filesize

      5.7MB

    • memory/4324-138-0x00000000021F0000-0x00000000022A1000-memory.dmp

      Filesize

      708KB

    • memory/4324-139-0x0000000002252000-0x00000000022A0000-memory.dmp

      Filesize

      312KB

    • memory/4324-140-0x00000000021F1000-0x0000000002252000-memory.dmp

      Filesize

      388KB

    • memory/4324-137-0x00000000021F0000-0x00000000022A1000-memory.dmp

      Filesize

      708KB

    • memory/4324-134-0x00000000021F0000-0x00000000022A1000-memory.dmp

      Filesize

      708KB

    • memory/4324-133-0x0000000000690000-0x00000000006DE000-memory.dmp

      Filesize

      312KB

    • memory/4324-132-0x0000000000630000-0x0000000000640000-memory.dmp

      Filesize

      64KB

    • memory/4324-148-0x0000000002252000-0x00000000022A0000-memory.dmp

      Filesize

      312KB

    • memory/4324-149-0x00000000021F1000-0x0000000002252000-memory.dmp

      Filesize

      388KB