139174a2bd30566c5c3d2d65da55dcfbf013e23359c9424590ba83cb0576d719

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 02:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

139174a2bd30566c5c3d2d65da55dcfbf013e23359c9424590ba83cb0576d719.exe
Size

78KB
MD5

d5ae0008032818e51abe3d53868d9c06
SHA1

aa7993aa73f323b35fe5468a3872d7c786e42d5d
SHA256

139174a2bd30566c5c3d2d65da55dcfbf013e23359c9424590ba83cb0576d719
SHA512

793d8119e5328132752dca6f0b6d7491ab72f18f8083d1d36743d6ee22e10ba8097d881803a2f4f1f5d27eb9e737fb42de54d4304b681736c225ea9a120426a4
SSDEEP

1536:abSshapMJgKJUuxGmfJPtOgqm1s/XZSWcH5:K25KJFjfJPtOgqm2/XZXk

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2432	winlgon.exe

Loads dropped DLL 9 IoCs

pid	Process
2136	139174a2bd30566c5c3d2d65da55dcfbf013e23359c9424590ba83cb0576d719.exe
2136	139174a2bd30566c5c3d2d65da55dcfbf013e23359c9424590ba83cb0576d719.exe
2316	WerFault.exe
2316	WerFault.exe
2316	WerFault.exe
2316	WerFault.exe
2316	WerFault.exe
2316	WerFault.exe
2316	WerFault.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	139174a2bd30566c5c3d2d65da55dcfbf013e23359c9424590ba83cb0576d719.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	139174a2bd30566c5c3d2d65da55dcfbf013e23359c9424590ba83cb0576d719.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2316	2432	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	139174a2bd30566c5c3d2d65da55dcfbf013e23359c9424590ba83cb0576d719.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlgon.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2136	139174a2bd30566c5c3d2d65da55dcfbf013e23359c9424590ba83cb0576d719.exe
2432	winlgon.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2432	2136	139174a2bd30566c5c3d2d65da55dcfbf013e23359c9424590ba83cb0576d719.exe	30
PID 2136 wrote to memory of 2432	2136	139174a2bd30566c5c3d2d65da55dcfbf013e23359c9424590ba83cb0576d719.exe	30
PID 2136 wrote to memory of 2432	2136	139174a2bd30566c5c3d2d65da55dcfbf013e23359c9424590ba83cb0576d719.exe	30
PID 2136 wrote to memory of 2432	2136	139174a2bd30566c5c3d2d65da55dcfbf013e23359c9424590ba83cb0576d719.exe	30
PID 2432 wrote to memory of 2316	2432	winlgon.exe	31
PID 2432 wrote to memory of 2316	2432	winlgon.exe	31
PID 2432 wrote to memory of 2316	2432	winlgon.exe	31
PID 2432 wrote to memory of 2316	2432	winlgon.exe	31

C:\Users\Admin\AppData\Local\Temp\139174a2bd30566c5c3d2d65da55dcfbf013e23359c9424590ba83cb0576d719.exe
"C:\Users\Admin\AppData\Local\Temp\139174a2bd30566c5c3d2d65da55dcfbf013e23359c9424590ba83cb0576d719.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2136
- \??\c:\users\admin\appdata\local\temp\winlgon.exe
  c:\users\admin\appdata\local\temp\winlgon.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2432
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 256
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2316

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
78KB

MD5
b822bbd3b2ace841c424fa62074014fd

SHA1
f4fc701149c0f2eb6e0f40696148c7effbc237c7

SHA256
6e7ac5f82a87172139c497bf07fd139338f6b00f7dd562f8b38def3c9a033eab

SHA512
8e4cc1d479fc37447e0ad6a56aebc643e9a28efd059841f84c62b5efa4d0ac18bbb9c0dddaa0a23540365fe299fe1451037c10e2b83e961e1071a96fdaf6e8e8

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads