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Analysis

  • max time kernel
    93s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2024, 02:31

General

  • Target

    JaffaCakes118_01270e1e915fd900ef6fe2f1c1a0c207.exe

  • Size

    437KB

  • MD5

    01270e1e915fd900ef6fe2f1c1a0c207

  • SHA1

    e1ac4684f4bdd8c3663b9fe414e6886174df2a6e

  • SHA256

    e64a2b9124c44c00657ab903cc5408aa1d43f0f0b8a4d748cae5230f6cc89491

  • SHA512

    b8f98b1c9ae4badddc9e8bcef11c9416c4b2b20f9e310c7a39f62e2c473e95c4d25963a762a55eb1a79a02cca36477a693dc15a2cc70587b90690e7fac4188d4

  • SSDEEP

    6144:UnVwm2i+mKaN68U8Wdvym8fXZkc/L07IkX/c6MVO4zXUdn1NwBLDmFBF3UN:9ri+m/A4Wx3UB/LzARMVO4sNyDm3F3U

Malware Config

Signatures

  • Expiro family
  • Expiro, m0yv

    Expiro aka m0yv is a multi-functional backdoor written in C++.

  • Expiro payload 4 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_01270e1e915fd900ef6fe2f1c1a0c207.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_01270e1e915fd900ef6fe2f1c1a0c207.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:32
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 32 -s 476
      2⤵
      • Program crash
      PID:388
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 32 -ip 32
    1⤵
      PID:3680

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/32-0-0x00000000002A0000-0x0000000000334000-memory.dmp

      Filesize

      592KB

    • memory/32-1-0x0000000000230000-0x0000000000334000-memory.dmp

      Filesize

      1.0MB

    • memory/32-2-0x00000000002A0000-0x0000000000334000-memory.dmp

      Filesize

      592KB

    • memory/32-3-0x0000000000230000-0x0000000000334000-memory.dmp

      Filesize

      1.0MB