808d7f007b08df177a480dfafd3cb2f8e69a5c9fd467dc66262616aeefad3b4d

Analysis

max time kernel
98s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-08-2024 06:03

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General

Target

19405f7736d00f0b061a833dd0ff92e0N.exe
Size

79KB
MD5

19405f7736d00f0b061a833dd0ff92e0
SHA1

14672b911f451db7e91494f18b72e9f5a2134419
SHA256

808d7f007b08df177a480dfafd3cb2f8e69a5c9fd467dc66262616aeefad3b4d
SHA512

a57ed0208c275dd8a5771ad43ca75088f03fd4bfeb3acb55e1f0aaad89e37b3b249903e3e1177eef9ae16114b1211c185687774d4100ade60d9a82c88b48b954
SSDEEP

1536:abSshapMJgKJUuxGmfJPtOgqm1s/XZSWcH5:K25KJFjfJPtOgqm2/XZXg

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3696	winlgon.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"	19405f7736d00f0b061a833dd0ff92e0N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlgon.exe = "c:\\users\\admin\\appdata\\local\\temp\\winlgon.exe"	19405f7736d00f0b061a833dd0ff92e0N.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1568	3696	WerFault.exe	84
4232	2264	WerFault.exe	83

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	19405f7736d00f0b061a833dd0ff92e0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlgon.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2264	19405f7736d00f0b061a833dd0ff92e0N.exe
3696	winlgon.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 3696	2264	19405f7736d00f0b061a833dd0ff92e0N.exe	84
PID 2264 wrote to memory of 3696	2264	19405f7736d00f0b061a833dd0ff92e0N.exe	84
PID 2264 wrote to memory of 3696	2264	19405f7736d00f0b061a833dd0ff92e0N.exe	84

C:\Users\Admin\AppData\Local\Temp\19405f7736d00f0b061a833dd0ff92e0N.exe
"C:\Users\Admin\AppData\Local\Temp\19405f7736d00f0b061a833dd0ff92e0N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2264
- \??\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
  PID:3696
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 688
    3⤵
    - Program crash
    PID:1568
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 556
  2⤵
  - Program crash
  PID:4232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3696 -ip 3696
1⤵
PID:3192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2264 -ip 2264
1⤵
PID:2136

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

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Downloads

\??\c:\users\admin\appdata\local\temp\winlgon.exe

Filesize
79KB

MD5
d79eb8d2bd1a35c0867bc0e6fe9d4e63

SHA1
91250d4f4aaa68571d5760afa5b1419d242ea917

SHA256
ca6dd57c356f2072cfb64ec1bbbe8eda0bdfef5815fb5efe6a4242360b957b77

SHA512
0321bcd288ef518ca66929d2c19d7291788785bf0740d1f0d68504b199ef01e9290734794dfdeace7fc093b1a3f991ead282ce26fac4ff952740cdf36c85a39a

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads