expiro | 4546a38a4b8503240544aaa6c46acda7c8b5f721a18dba4f7018b1cb3446b530

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 10:41

Target

0dc40400c4ab8011d9c3bf1c32e9062b_JaffaCakes118.exe
Size

437KB
MD5

0dc40400c4ab8011d9c3bf1c32e9062b
SHA1

ef7349cd25c0ccbbee4ae69fb5a269e50bd8e541
SHA256

4546a38a4b8503240544aaa6c46acda7c8b5f721a18dba4f7018b1cb3446b530
SHA512

5f8ae9bcd63ab0fb86e98ab36139a9c1f9cdf5fc9dc3f025ec8558b87c25db0178d6bdf6ef098b26009a0987d49105faa995555ea9c539960ececdd065907e7e
SSDEEP

6144:UfVwm2i+mKaN68U8Wdvym8fXZke/L07IkX/c6MVO4zXUdn1NwBLDmFBF3UN:Bri+m/A4Wx3UP/LzARMVO4sNyDm3F3U

Score

10^/10

expiro backdoor

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

Expiro payload 3 IoCs

backdoor

resource	yara_rule
behavioral1/memory/2416-0-0x0000000000A00000-0x0000000000A94000-memory.dmp	family_expiro1
behavioral1/memory/2416-1-0x0000000000990000-0x0000000000A94000-memory.dmp	family_expiro1
behavioral1/memory/2416-2-0x0000000000A00000-0x0000000000A94000-memory.dmp	family_expiro1

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1948	2416	WerFault.exe	27

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 1948	2416	0dc40400c4ab8011d9c3bf1c32e9062b_JaffaCakes118.exe	28
PID 2416 wrote to memory of 1948	2416	0dc40400c4ab8011d9c3bf1c32e9062b_JaffaCakes118.exe	28
PID 2416 wrote to memory of 1948	2416	0dc40400c4ab8011d9c3bf1c32e9062b_JaffaCakes118.exe	28
PID 2416 wrote to memory of 1948	2416	0dc40400c4ab8011d9c3bf1c32e9062b_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\0dc40400c4ab8011d9c3bf1c32e9062b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0dc40400c4ab8011d9c3bf1c32e9062b_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 160
  2⤵
  - Program crash
  PID:1948

memory/2416-0-0x0000000000A00000-0x0000000000A94000-memory.dmp

Filesize
592KB

Download
memory/2416-1-0x0000000000990000-0x0000000000A94000-memory.dmp

Filesize
1.0MB

Download
memory/2416-2-0x0000000000A00000-0x0000000000A94000-memory.dmp

Filesize
592KB

Download