Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    31-03-2024 03:49

General

  • Target

    4c5870829f2be67e77e9831e25893c1d_JaffaCakes118.exe

  • Size

    174KB

  • MD5

    4c5870829f2be67e77e9831e25893c1d

  • SHA1

    951d4f8b4723381256e8584f6ef80b5649754dde

  • SHA256

    c3134451e6ef2212f832ceb0757d14a4d078771ec045bf195a66d40275542a1b

  • SHA512

    a625e1b4714ecccb1bc6949174d5f9318daf946316d43fedda83cb86f8875ecce0ac443571487f63b1d484e68ddbe80a2ff9fb9f78183a06ff0803a15b54831b

  • SSDEEP

    3072:L12oiRvrfhG8H44Eeh9yyhHqgEoS9D98aShyuymqhtig0e3E:woiRTfhFH4g9yynEVx98aCOtig7E

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://linavanandr11.club/

http://iselaharty12.club/

http://giovaninardo13.club/

http://zayneliann14.club/

http://zorinosali15.club/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c5870829f2be67e77e9831e25893c1d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4c5870829f2be67e77e9831e25893c1d_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Users\Admin\AppData\Local\Temp\4c5870829f2be67e77e9831e25893c1d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\4c5870829f2be67e77e9831e25893c1d_JaffaCakes118.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2492
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {73705C53-0209-47BD-B915-2836266EF201} S-1-5-21-406356229-2805545415-1236085040-1000:IKJSPGIM\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Users\Admin\AppData\Roaming\tvgdudr
      C:\Users\Admin\AppData\Roaming\tvgdudr
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2976
      • C:\Users\Admin\AppData\Roaming\tvgdudr
        C:\Users\Admin\AppData\Roaming\tvgdudr
        3⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious behavior: MapViewOfSection
        PID:2388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\tvgdudr

    Filesize

    174KB

    MD5

    4c5870829f2be67e77e9831e25893c1d

    SHA1

    951d4f8b4723381256e8584f6ef80b5649754dde

    SHA256

    c3134451e6ef2212f832ceb0757d14a4d078771ec045bf195a66d40275542a1b

    SHA512

    a625e1b4714ecccb1bc6949174d5f9318daf946316d43fedda83cb86f8875ecce0ac443571487f63b1d484e68ddbe80a2ff9fb9f78183a06ff0803a15b54831b

  • memory/1280-8-0x00000000026C0000-0x00000000026D6000-memory.dmp

    Filesize

    88KB

  • memory/1280-24-0x00000000026F0000-0x0000000002706000-memory.dmp

    Filesize

    88KB

  • memory/2208-1-0x0000000000550000-0x0000000000650000-memory.dmp

    Filesize

    1024KB

  • memory/2208-4-0x0000000000020000-0x0000000000029000-memory.dmp

    Filesize

    36KB

  • memory/2388-25-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2492-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2492-5-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2492-6-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2492-7-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2492-9-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2976-19-0x00000000004C0000-0x00000000005C0000-memory.dmp

    Filesize

    1024KB