Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 22:31

General

  • Target

    JaffaCakes118_7c7112065f4022dd47ef69e39ba2caf0.exe

  • Size

    607KB

  • MD5

    7c7112065f4022dd47ef69e39ba2caf0

  • SHA1

    09cc3c987aade05e1004adea1af7c5b287951b37

  • SHA256

    24a0d73a194b3ad3f22e4fb1de1d5f27597ab7dfc8e79089760739509a6c4513

  • SHA512

    d4c5eaa061101c71486c736dd1f8d0960765b7e5a80242b932aa9ce2bed4c711ae2c68ab008e176f9ec580e26d0b767e10e1f9d2c666e2c97473baf7b933f1a0

  • SSDEEP

    12288:JBwmc9bj45zYAekJWIHSEGYOhrOH2HyFWrkHzR9cQCIHFU8//OZH:0mcaJXeWWIHSlhjHycgHzRNHFB

Malware Config

Signatures

  • Expiro family
  • Expiro, m0yv

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

  • Expiro payload 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.

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: LoadsDriver 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7c7112065f4022dd47ef69e39ba2caf0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7c7112065f4022dd47ef69e39ba2caf0.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:2228
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0 /state0:0xa392a055 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2228-0-0x0000000001000000-0x0000000001262000-memory.dmp

    Filesize

    2.4MB

  • memory/2228-1-0x0000000001003000-0x0000000001004000-memory.dmp

    Filesize

    4KB

  • memory/2228-2-0x0000000001000000-0x0000000001262000-memory.dmp

    Filesize

    2.4MB