24ffc9be8fffa0524984a90a71492d1a7c458cead1a419ff983dbf343fa1be06

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/05/2024, 17:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

virussign.com_cdd6acb0f24454c0bcde978d2c694600.exe
Size

74KB
MD5

cdd6acb0f24454c0bcde978d2c694600
SHA1

63c691abb35c636f3b6bc231e4a366bd01f8562a
SHA256

24ffc9be8fffa0524984a90a71492d1a7c458cead1a419ff983dbf343fa1be06
SHA512

3e2eeecc6551660f7b02a492449cc9e957ae1365d64a9d528744374a8c9252031e2f86eb592b3216eb0454939495a3ecf3357a5066b657600a3e2fe72ab563cb
SSDEEP

1536:kP6RJLbSshapMJgK+hxaZUux1imfJPtOrqm1s/XZydNg:06RJz25KnZFvVfJPtOrqm2/XZuu

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2888	winlgon.exe

Loads dropped DLL 2 IoCs

pid	Process
1984	virussign.com_cdd6acb0f24454c0bcde978d2c694600.exe
1984	virussign.com_cdd6acb0f24454c0bcde978d2c694600.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	virussign.com_cdd6acb0f24454c0bcde978d2c694600.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	virussign.com_cdd6acb0f24454c0bcde978d2c694600.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1884	1984	WerFault.exe	27

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1984	virussign.com_cdd6acb0f24454c0bcde978d2c694600.exe
2888	winlgon.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2888	1984	virussign.com_cdd6acb0f24454c0bcde978d2c694600.exe	28
PID 1984 wrote to memory of 2888	1984	virussign.com_cdd6acb0f24454c0bcde978d2c694600.exe	28
PID 1984 wrote to memory of 2888	1984	virussign.com_cdd6acb0f24454c0bcde978d2c694600.exe	28
PID 1984 wrote to memory of 2888	1984	virussign.com_cdd6acb0f24454c0bcde978d2c694600.exe	28
PID 1984 wrote to memory of 1884	1984	virussign.com_cdd6acb0f24454c0bcde978d2c694600.exe	29
PID 1984 wrote to memory of 1884	1984	virussign.com_cdd6acb0f24454c0bcde978d2c694600.exe	29
PID 1984 wrote to memory of 1884	1984	virussign.com_cdd6acb0f24454c0bcde978d2c694600.exe	29
PID 1984 wrote to memory of 1884	1984	virussign.com_cdd6acb0f24454c0bcde978d2c694600.exe	29

C:\Users\Admin\AppData\Local\Temp\virussign.com_cdd6acb0f24454c0bcde978d2c694600.exe
"C:\Users\Admin\AppData\Local\Temp\virussign.com_cdd6acb0f24454c0bcde978d2c694600.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1984
- \??\c:\users\admin\appdata\local\temp\winlgon.exe
  c:\users\admin\appdata\local\temp\winlgon.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2888
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 204
  2⤵
  - Program crash
  PID:1884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\winlgon.exe

Filesize
74KB

MD5
3f6aa48ac2b95dc2f3a2eb880eaa01ea

SHA1
b339c3abe7635897fc462bdf6abace7ad34b9704

SHA256
93d60b545ba9d198c29adc81f1cca5282039fa48c841ee71d6288b7fdf2d9e5e

SHA512
fec912c9739c16c758fdafe3daef7faab652f132dab4256aef936802e24951f55b4d039bd08ee068ae3071193247a5b1e38dc3e65593d68bc6e720f2869efe38

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads