Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11/09/2024, 04:16

General

  • Target
    d998151c5f135ab73d6336c1f1d2512d_JaffaCakes118.exe
  • Size 157KB
  • Sample240911-evtxmssbqp
  • SHA256 dca6e2b783dab78c14ddf9091de65952665a614ecdc8124d9ffe02cca3315dbb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2017

C2
  • http://dogewareservice.ru/

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 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: MapViewOfSection 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d998151c5f135ab73d6336c1f1d2512d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d998151c5f135ab73d6336c1f1d2512d_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Users\Admin\AppData\Local\Temp\d998151c5f135ab73d6336c1f1d2512d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d998151c5f135ab73d6336c1f1d2512d_JaffaCakes118.exe"
      2⤵
      • Maps connected drives based on registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3052
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
        • Deletes itself
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:1752

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 342B
        • SHA256 aaef37756de421c36b702c99554b7a14ffc3ba9ce253ce12a97a312e804a4152
        • MD5 SHA1 SHA512

        Cab5B1D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Cab5B1D.tmp
        • Size 70KB
        • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
        • MD5 SHA1 SHA512 SSDEEP

        Tar5B6E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tar5B6E.tmp
        • Size 181KB
        • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nsp235B.tmp\System.dll
        • Size 11KB
        • SHA256 fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e
        • MD5 SHA1 SHA512 SSDEEP

        memory/1752-27-0x0000000000350000-0x000000000035A000-memory.dmp

        memory/1752-14-0x0000000000090000-0x0000000000311000-memory.dmp

        memory/1752-15-0x0000000000090000-0x0000000000311000-memory.dmp

        memory/1752-16-0x0000000000350000-0x000000000035A000-memory.dmp

        memory/1752-29-0x0000000000350000-0x000000000035A000-memory.dmp

        memory/2276-7-0x00000000004D0000-0x00000000004D9000-memory.dmp

        memory/2276-9-0x00000000004D0000-0x00000000004D9000-memory.dmp

        memory/3052-10-0x0000000000400000-0x0000000000405000-memory.dmp

        memory/3052-20-0x0000000000030000-0x000000000003A000-memory.dmp

        memory/3052-11-0x0000000000030000-0x000000000003A000-memory.dmp

        memory/3052-8-0x0000000000400000-0x0000000000405000-memory.dmp