2b7037ba3776a9d6287b224c92ac18635d2fe167637843f8e16355773c8ba799

Analysis

max time kernel
162s
max time network
211s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2022 23:31

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General

Target

2b7037ba3776a9d6287b224c92ac18635d2fe167637843f8e16355773c8ba799.exe
Size

108KB
MD5

f5160423f862d69a802b341af1d9d935
SHA1

918166b9d2702f4068ba3a9250d8bb9bd1e05535
SHA256

2b7037ba3776a9d6287b224c92ac18635d2fe167637843f8e16355773c8ba799
SHA512

56a213f2671f6d48349be2db3ced6403fe4ebedcaed58ad07b1e9c3602d5f06e2372833cc8f382a7db7f0d456ed799f928a78fb798c62024ddbfb8d520340035
SSDEEP

1536:Q5eGoiOaTV+BA5uIpZo/QGoGG8betK4pkSQsVEj:Q5eTiO7GSuGGJ0V+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\""	2b7037ba3776a9d6287b224c92ac18635d2fe167637843f8e16355773c8ba799.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
3296	lsass.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4412	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\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
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run	2b7037ba3776a9d6287b224c92ac18635d2fe167637843f8e16355773c8ba799.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	2b7037ba3776a9d6287b224c92ac18635d2fe167637843f8e16355773c8ba799.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	2b7037ba3776a9d6287b224c92ac18635d2fe167637843f8e16355773c8ba799.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	2b7037ba3776a9d6287b224c92ac18635d2fe167637843f8e16355773c8ba799.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run	lsass.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4228	2b7037ba3776a9d6287b224c92ac18635d2fe167637843f8e16355773c8ba799.exe
3296	lsass.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4228 wrote to memory of 4412	4228	2b7037ba3776a9d6287b224c92ac18635d2fe167637843f8e16355773c8ba799.exe	80
PID 4228 wrote to memory of 4412	4228	2b7037ba3776a9d6287b224c92ac18635d2fe167637843f8e16355773c8ba799.exe	80
PID 4228 wrote to memory of 4412	4228	2b7037ba3776a9d6287b224c92ac18635d2fe167637843f8e16355773c8ba799.exe	80
PID 4228 wrote to memory of 3296	4228	2b7037ba3776a9d6287b224c92ac18635d2fe167637843f8e16355773c8ba799.exe	82
PID 4228 wrote to memory of 3296	4228	2b7037ba3776a9d6287b224c92ac18635d2fe167637843f8e16355773c8ba799.exe	82
PID 4228 wrote to memory of 3296	4228	2b7037ba3776a9d6287b224c92ac18635d2fe167637843f8e16355773c8ba799.exe	82

C:\Users\Admin\AppData\Local\Temp\2b7037ba3776a9d6287b224c92ac18635d2fe167637843f8e16355773c8ba799.exe
"C:\Users\Admin\AppData\Local\Temp\2b7037ba3776a9d6287b224c92ac18635d2fe167637843f8e16355773c8ba799.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4228
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\lsass.exe" CityScape Enable
  2⤵
  - Modifies Windows Firewall
  PID:4412
- C:\Users\Admin\AppData\Roaming\lsass.exe
  /d C:\Users\Admin\AppData\Local\Temp\2b7037ba3776a9d6287b224c92ac18635d2fe167637843f8e16355773c8ba799.exe
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetWindowsHookEx
  PID:3296

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
74811317d69ddb11d25e3d871ea4c0d0

SHA1
dd6ab31852105ef4453bc6b80d75f3d3bf39644e

SHA256
23c84bada1080cbb1585c3d44c4b1302cbcccec704763a95662490e668179de4

SHA512
0f50a224c41ed6c0c903d75e1a2171c7e0ca5d595f8e4e0f511200a2ec002fe109c6c45d4842cc6fd491f70528de083f7ca3b66e17cb5cda954cb9e7e5eb4041

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

Filesize
108KB

MD5
74811317d69ddb11d25e3d871ea4c0d0

SHA1
dd6ab31852105ef4453bc6b80d75f3d3bf39644e

SHA256
23c84bada1080cbb1585c3d44c4b1302cbcccec704763a95662490e668179de4

SHA512
0f50a224c41ed6c0c903d75e1a2171c7e0ca5d595f8e4e0f511200a2ec002fe109c6c45d4842cc6fd491f70528de083f7ca3b66e17cb5cda954cb9e7e5eb4041

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads