9bd6ac740f14d705d42547c16660905090307179696a814d34c1887649a0a624

Analysis

max time kernel
150s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
14-10-2022 09:43

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General

Target

9bd6ac740f14d705d42547c16660905090307179696a814d34c1887649a0a624.exe
Size

108KB
MD5

708a212a9f142d9ee4306a99488959d5
SHA1

44c9df0ee615bea35f19a053f3bd16e49e7e9fd1
SHA256

9bd6ac740f14d705d42547c16660905090307179696a814d34c1887649a0a624
SHA512

32cad6fac8fc5f1270af7bc503c5290de3b22ff2dc311ceaf983de9979159246ddba8de20db7cf6d94a6815adeb86d05f04e6e504553b374f0b47ddd0dbafaf1
SSDEEP

1536:Q5eGqiOaTV+BA5uIpZo/QGoGG8betK4pkSQsVEj:Q5eRiO7GSuGGJ0V+Vm

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	9bd6ac740f14d705d42547c16660905090307179696a814d34c1887649a0a624.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	lsass.exe

Executes dropped EXE 1 IoCs

pid	Process
4792	lsass.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4748	netsh.exe

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	9bd6ac740f14d705d42547c16660905090307179696a814d34c1887649a0a624.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	9bd6ac740f14d705d42547c16660905090307179696a814d34c1887649a0a624.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	9bd6ac740f14d705d42547c16660905090307179696a814d34c1887649a0a624.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	9bd6ac740f14d705d42547c16660905090307179696a814d34c1887649a0a624.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	lsass.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	lsass.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	lsass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1264	9bd6ac740f14d705d42547c16660905090307179696a814d34c1887649a0a624.exe
4792	lsass.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 4748	1264	9bd6ac740f14d705d42547c16660905090307179696a814d34c1887649a0a624.exe	82
PID 1264 wrote to memory of 4748	1264	9bd6ac740f14d705d42547c16660905090307179696a814d34c1887649a0a624.exe	82
PID 1264 wrote to memory of 4748	1264	9bd6ac740f14d705d42547c16660905090307179696a814d34c1887649a0a624.exe	82
PID 1264 wrote to memory of 4792	1264	9bd6ac740f14d705d42547c16660905090307179696a814d34c1887649a0a624.exe	84
PID 1264 wrote to memory of 4792	1264	9bd6ac740f14d705d42547c16660905090307179696a814d34c1887649a0a624.exe	84
PID 1264 wrote to memory of 4792	1264	9bd6ac740f14d705d42547c16660905090307179696a814d34c1887649a0a624.exe	84

C:\Users\Admin\AppData\Local\Temp\9bd6ac740f14d705d42547c16660905090307179696a814d34c1887649a0a624.exe
"C:\Users\Admin\AppData\Local\Temp\9bd6ac740f14d705d42547c16660905090307179696a814d34c1887649a0a624.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\lsass.exe" CityScape Enable
  2⤵
  - Modifies Windows Firewall
  PID:4748
- C:\Users\Admin\AppData\Roaming\lsass.exe
  /d C:\Users\Admin\AppData\Local\Temp\9bd6ac740f14d705d42547c16660905090307179696a814d34c1887649a0a624.exe
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetWindowsHookEx
  PID:4792

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\lsass.exe

Filesize
108KB

MD5
ea2f870152e046f97678d9e4f3145859

SHA1
2913dbdfd32e9ce01c5545589280a6d46efc198f

SHA256
8982176c0f45e405c02f96bdc3e765d4e789f9110e0f9213a32f99e0826d8375

SHA512
9e3ceca914081b78f622751c4aaa5706fc35d82c78ab7829aa700143f31f77f9a09c02f6e999a9f651be3bb955074a71ae14aec1623218ec262b05fb74ee2253

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C:\Users\Admin\AppData\Roaming\lsass.exe

Filesize
108KB

MD5
ea2f870152e046f97678d9e4f3145859

SHA1
2913dbdfd32e9ce01c5545589280a6d46efc198f

SHA256
8982176c0f45e405c02f96bdc3e765d4e789f9110e0f9213a32f99e0826d8375

SHA512
9e3ceca914081b78f622751c4aaa5706fc35d82c78ab7829aa700143f31f77f9a09c02f6e999a9f651be3bb955074a71ae14aec1623218ec262b05fb74ee2253

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads