Overview

overview

10

Static

static

3

e87bd5de0d...18.exe

windows7-x64

10

e87bd5de0d...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/04/2024, 21:43

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General

  • Target

    e87bd5de0d9542afa5f0c850913e397f_JaffaCakes118.exe

  • Size

    692KB

  • MD5

    e87bd5de0d9542afa5f0c850913e397f

  • SHA1

    dc783112ce98460660267a87111302745662fa67

  • SHA256

    411b208b31f28b5feb2a560f2966ca93f6000949b9f78325baf2f16261989cfb

  • SHA512

    5567dafc833d603eb3cde4b5bd22f62d1ab3590a7d7d89bc5adecbe4cfd4877a45cfc7b610cb51b62bb011c10a47df320e51a3d68f4275b9c9232a73023a7009

  • SSDEEP

    6144:U9kbpoDtM1nM91o/CwxTmqNbGU3ffiP51Ca3uuHGEmY+iurSP0dq8VQy1+zromwH:Vo6S8/CwJYUvWzuuy7iuWYr6oBD92iD

Score
10/10
expirobackdoor

Malware Config

Signatures

  • Expiro, m0yv

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

    backdoorexpiro
  • Expiro payload 4 IoCs
    backdoor
  • Drops file in System32 directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e87bd5de0d9542afa5f0c850913e397f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e87bd5de0d9542afa5f0c850913e397f_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:740
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 276
      2⤵
      • Program crash
      PID:4448
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 740 -ip 740
    1⤵
      PID:1728

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\pnbjdjjq\addokdcg.tmp
            Filesize

            625KB

            MD5

            a48e03f4b544d4c38a20dfea60e53541

            SHA1

            feeb06620dfebe37e7afe91f901a4271770d106d

            SHA256

            55c97ac22be11253f141e7dadf2ecdd9798334dcc91e6947d9844f1935308a85

            SHA512

            3fc1ad33c06ede33b1d52d4a5220f38dc79af6d063ea7e36b66fea3508f5ac72311055f2ae7bbfbb67462951ab0cd06d7a3c58ef52f0832c2883f5456ccb946c

            Download Submit

          • memory/740-0-0x000000004A1B0000-0x000000004A2F3000-memory.dmp

            Filesize

            1.3MB

            Download

          • memory/740-1-0x000000004A1B0000-0x000000004A2F3000-memory.dmp

            Filesize

            1.3MB

            Download

          • memory/740-3-0x000000004A1B0000-0x000000004A2F3000-memory.dmp

            Filesize

            1.3MB

            Download

          • memory/740-12-0x000000004A1B0000-0x000000004A2F3000-memory.dmp

            Filesize

            1.3MB

            Download