939633e3fda2a9850f884f4a748a9f2867ee9da42e1fce352f3b5370a954565e

Analysis

max time kernel
120s
max time network
130s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
27/07/2024, 22:33

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General

Target

0e3cef7fcb4db72d7756df8d00a84190N.exe
Size

3.1MB
MD5

0e3cef7fcb4db72d7756df8d00a84190
SHA1

2bdbe27bafc065edab12cf70aae6d0a831995e93
SHA256

939633e3fda2a9850f884f4a748a9f2867ee9da42e1fce352f3b5370a954565e
SHA512

f594c9074c424d6f711375e0b5b573e025059eaa61502342dd80f02214ae0443a36a2cac75b17cfad9ecc2b935f298bd02448f6bf3cb82fc406caaa9d3439304
SSDEEP

49152:+UJ6ZNXox4SgJhBsfHJq/nCFT4Mv0Pt97J:+tR4xGnCtvwd

Score

10^/10

credential_access discovery evasion persistence spyware stealer trojan

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 4 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe, cmd.exe /c start c:\\windows\\wininit.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	wininit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe, cmd.exe /c start c:\\windows\\wininit.exe"	wininit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe"	svchost.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	wininit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

UAC bypass 3 TTPs 9 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	wininit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	0e3cef7fcb4db72d7756df8d00a84190N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	wininit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	wininit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	0e3cef7fcb4db72d7756df8d00a84190N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	0e3cef7fcb4db72d7756df8d00a84190N.exe

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Executes dropped EXE 2 IoCs

pid	Process
2712	wininit.exe
2740	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
2204	0e3cef7fcb4db72d7756df8d00a84190N.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Checks whether UAC is enabled 1 TTPs 6 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	0e3cef7fcb4db72d7756df8d00a84190N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	0e3cef7fcb4db72d7756df8d00a84190N.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	wininit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	wininit.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	\??\c:\windows\wininit.exe	0e3cef7fcb4db72d7756df8d00a84190N.exe
File opened for modification	\??\c:\windows\wininit.exe	0e3cef7fcb4db72d7756df8d00a84190N.exe
File opened for modification	\??\c:\windows\RCX1C66.tmp	0e3cef7fcb4db72d7756df8d00a84190N.exe
File opened for modification	\??\c:\windows\wininit.exe	wininit.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	0e3cef7fcb4db72d7756df8d00a84190N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wininit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2204	0e3cef7fcb4db72d7756df8d00a84190N.exe
2204	0e3cef7fcb4db72d7756df8d00a84190N.exe
2712	wininit.exe
2712	wininit.exe
2712	wininit.exe
2712	wininit.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe
2712	wininit.exe
2740	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2712	wininit.exe
2740	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2712	wininit.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2712	2204	0e3cef7fcb4db72d7756df8d00a84190N.exe	30
PID 2204 wrote to memory of 2712	2204	0e3cef7fcb4db72d7756df8d00a84190N.exe	30
PID 2204 wrote to memory of 2712	2204	0e3cef7fcb4db72d7756df8d00a84190N.exe	30
PID 2204 wrote to memory of 2712	2204	0e3cef7fcb4db72d7756df8d00a84190N.exe	30
PID 2204 wrote to memory of 2740	2204	0e3cef7fcb4db72d7756df8d00a84190N.exe	31
PID 2204 wrote to memory of 2740	2204	0e3cef7fcb4db72d7756df8d00a84190N.exe	31
PID 2204 wrote to memory of 2740	2204	0e3cef7fcb4db72d7756df8d00a84190N.exe	31
PID 2204 wrote to memory of 2740	2204	0e3cef7fcb4db72d7756df8d00a84190N.exe	31

System policy modification 1 TTPs 9 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	0e3cef7fcb4db72d7756df8d00a84190N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	0e3cef7fcb4db72d7756df8d00a84190N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	wininit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	wininit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	0e3cef7fcb4db72d7756df8d00a84190N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	wininit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

C:\Users\Admin\AppData\Local\Temp\0e3cef7fcb4db72d7756df8d00a84190N.exe
"C:\Users\Admin\AppData\Local\Temp\0e3cef7fcb4db72d7756df8d00a84190N.exe"
1⤵
- UAC bypass
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2204
- \??\c:\windows\wininit.exe
  c:\windows\wininit.exe
  2⤵
  - Modifies WinLogon for persistence
  - Modifies visiblity of hidden/system files in Explorer
  - UAC bypass
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:2712
- \??\c:\users\admin\appdata\local\svchost.exe
  c:\users\admin\appdata\local\svchost.exe
  2⤵
  - Modifies WinLogon for persistence
  - Modifies visiblity of hidden/system files in Explorer
  - UAC bypass
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - System policy modification
  PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\RCX1C66.tmp

Filesize
3.1MB

MD5
d80c96143cbdc0fa8ac4220f8c1808a0

SHA1
1c9883e490ef4d0d02e7114b73febe83919a8e09

SHA256
d6c70fe2ef193a82301a783dc6d6b4918f379c009e71536026bf295755c3c2d1

SHA512
584da6b736046f024df50bac74353352bcc93ec10d5bd5e562df6d8a77c304614afcf62e4a65525b4d0bcb555f624196e4d04a3e5879693b340d627caa8505b4

Download Submit
\Users\Admin\AppData\Local\svchost.exe

Filesize
3.1MB

MD5
3bafb98e855c47f8938def804ca7ee8d

SHA1
e3c8c2ed25c0856097801e2598e215b5943b85ec

SHA256
31fe21bb1a8153c84b4c20f1c3fa3e6c623d169a8915685b694703555be32970

SHA512
399e4ac2cb7b960b9c52eface195f90562b1144a6777835f433abfac841e4d9807e19f86bc0d13fa3d8f5d43832611d0cac1d26bb4b645fb4a95cb977555f2c6

Download Submit
memory/2204-0-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2204-39-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/2712-42-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/2712-52-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/2740-43-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/2740-55-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download