Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-06-2024 08:21

General

  • Target

    9119343541f019abda58b8cd8924211b_JaffaCakes118.dll

  • Size

    1.9MB

  • MD5

    9119343541f019abda58b8cd8924211b

  • SHA1

    10d1721b9f19f78c242b08e285735f65b3f95b92

  • SHA256

    e79e6a963a8a24b8b0583d705743877b389ef6a460fec86c4ad5edb99df1be85

  • SHA512

    d31a627396fc2df83525d269cd48c6eb4adbd59bafe01619927c8a2c1b3c5dda803b9cb4f0141365a70e3c2fb02057487750fd10b31ccd8a438ebbeb9a4453f7

  • SSDEEP

    49152:r5BWhpdeXXyaYCfR8Vce56VegLU5MIXqocCYK:dBWhveHP3fSBYVfU5MIXttYK

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\9119343541f019abda58b8cd8924211b_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9119343541f019abda58b8cd8924211b_JaffaCakes118.dll,#1
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Identifies Wine through registry keys
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:2252
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2252 -s 684
        3⤵
        • Program crash
        PID:3020
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2252 -ip 2252
    1⤵
      PID:2848

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2252-0-0x0000000074B30000-0x0000000075056000-memory.dmp

      Filesize

      5.1MB

    • memory/2252-1-0x00000000775F4000-0x00000000775F6000-memory.dmp

      Filesize

      8KB

    • memory/2252-2-0x00000000031A0000-0x00000000031A1000-memory.dmp

      Filesize

      4KB

    • memory/2252-5-0x0000000074B31000-0x0000000074B3E000-memory.dmp

      Filesize

      52KB

    • memory/2252-4-0x00000000031B0000-0x00000000031B1000-memory.dmp

      Filesize

      4KB

    • memory/2252-3-0x0000000001590000-0x0000000001591000-memory.dmp

      Filesize

      4KB

    • memory/2252-6-0x0000000074B30000-0x0000000075056000-memory.dmp

      Filesize

      5.1MB