Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    24-01-2025 08:47

General

  • Target

    JaffaCakes118_1fc8a045d27bb49066562441be908997.exe

  • Size

    124KB

  • MD5

    1fc8a045d27bb49066562441be908997

  • SHA1

    a04b9dd5f27932f6cdb6ddfcecb36f15e73041ed

  • SHA256

    36d3b50ffe4f63ad56648c586d76b80094c625db7c2c0309b9848dd95972f123

  • SHA512

    9e4f2c7c535626fb1a9560229658966c1affba2d24652721905ee590cba338a9fb58ae1ff019a20a37e9596d78c000e263fc687c67f1219ded799d59b35b6cec

  • SSDEEP

    3072:vDSKiauBZz/DhceNw1OTw+XIU5jwaaHw7Koj4rBV:rSKbwhdcqYIhXNA

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • UAC bypass 3 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 3 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fc8a045d27bb49066562441be908997.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fc8a045d27bb49066562441be908997.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2848
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2744
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Checks BIOS information in registry
      • Drops startup file
      • Impair Defenses: Safe Mode Boot
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2808
    • C:\Users\Admin\AppData\Local\Temp\arsdreqiqvbodjdl.exe
      "C:\Users\Admin\AppData\Local\Temp\arsdreqiqvbodjdl.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\aggvccii\imximfoy.exe

    Filesize

    124KB

    MD5

    1fc8a045d27bb49066562441be908997

    SHA1

    a04b9dd5f27932f6cdb6ddfcecb36f15e73041ed

    SHA256

    36d3b50ffe4f63ad56648c586d76b80094c625db7c2c0309b9848dd95972f123

    SHA512

    9e4f2c7c535626fb1a9560229658966c1affba2d24652721905ee590cba338a9fb58ae1ff019a20a37e9596d78c000e263fc687c67f1219ded799d59b35b6cec

  • memory/964-94-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/964-93-0x0000000000400000-0x000000000043A20C-memory.dmp

    Filesize

    232KB

  • memory/964-88-0x00000000003B0000-0x00000000003B2000-memory.dmp

    Filesize

    8KB

  • memory/964-89-0x0000000000400000-0x000000000043A20C-memory.dmp

    Filesize

    232KB

  • memory/964-90-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2744-18-0x0000000000070000-0x0000000000071000-memory.dmp

    Filesize

    4KB

  • memory/2744-10-0x0000000000050000-0x0000000000051000-memory.dmp

    Filesize

    4KB

  • memory/2744-14-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2744-20-0x0000000000060000-0x0000000000061000-memory.dmp

    Filesize

    4KB

  • memory/2744-19-0x0000000000050000-0x0000000000051000-memory.dmp

    Filesize

    4KB

  • memory/2744-8-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2744-23-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2744-22-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2744-21-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2808-45-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2808-101-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2808-104-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2808-27-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2808-35-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2808-102-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2808-103-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2808-51-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2808-95-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2808-44-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2808-99-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2808-57-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2808-63-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2808-98-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2808-97-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2808-96-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2848-33-0x0000000077DD0000-0x0000000077DD1000-memory.dmp

    Filesize

    4KB

  • memory/2848-86-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2848-0-0x0000000000400000-0x000000000043A20C-memory.dmp

    Filesize

    232KB

  • memory/2848-4-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2848-6-0x0000000000400000-0x000000000043A20C-memory.dmp

    Filesize

    232KB

  • memory/2848-5-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2848-2-0x0000000000400000-0x000000000043A20C-memory.dmp

    Filesize

    232KB

  • memory/2848-83-0x0000000002330000-0x000000000236B000-memory.dmp

    Filesize

    236KB

  • memory/2848-70-0x0000000077DCF000-0x0000000077DD0000-memory.dmp

    Filesize

    4KB

  • memory/2848-75-0x0000000002330000-0x000000000236B000-memory.dmp

    Filesize

    236KB

  • memory/2848-76-0x0000000002330000-0x000000000236B000-memory.dmp

    Filesize

    236KB

  • memory/2848-56-0x0000000000400000-0x000000000043A20C-memory.dmp

    Filesize

    232KB

  • memory/2848-53-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2848-54-0x0000000077DD0000-0x0000000077DD1000-memory.dmp

    Filesize

    4KB

  • memory/2848-34-0x0000000077DCF000-0x0000000077DD0000-memory.dmp

    Filesize

    4KB

  • memory/2848-1-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB