de6d7da1e2cbb5ef2d7bc2523f9a8a442b30c23c10919ebad887edfecea177cf

Analysis

max time kernel
164s
max time network
141s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
16/11/2023, 11:12

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General

Target

NEAS.593bb06e8c19e547b971df37c49943e0.exe
Size

3.1MB
MD5

593bb06e8c19e547b971df37c49943e0
SHA1

73a95343a1fffb84f9798305c10d9457c477e584
SHA256

de6d7da1e2cbb5ef2d7bc2523f9a8a442b30c23c10919ebad887edfecea177cf
SHA512

bbc9c4c836a6686e87077508412db9ab0faffb24583db9cc2bfc3d543306ea76e98815ef1168216df93a8776ad5b9783b9810e23e9b427645f744e9c23b0278c
SSDEEP

49152:ZUuBTOjZwS1Ihk+hy7iHuaRZnt+NTNLiG975:ZXRO0hkr2Rxt+ew

Score

10^/10

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\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe, cmd.exe /c start c:\\windows\\wininit.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-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	wininit.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\EnableLUA = "0"	NEAS.593bb06e8c19e547b971df37c49943e0.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\PromptOnSecureDesktop = "0"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	NEAS.593bb06e8c19e547b971df37c49943e0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	NEAS.593bb06e8c19e547b971df37c49943e0.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\EnableLUA = "0"	svchost.exe

Executes dropped EXE 2 IoCs

pid	Process
2660	wininit.exe
2876	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
1456	NEAS.593bb06e8c19e547b971df37c49943e0.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	NEAS.593bb06e8c19e547b971df37c49943e0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	NEAS.593bb06e8c19e547b971df37c49943e0.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	NEAS.593bb06e8c19e547b971df37c49943e0.exe
File opened for modification	\??\c:\windows\wininit.exe	NEAS.593bb06e8c19e547b971df37c49943e0.exe
File opened for modification	\??\c:\windows\RCXBCCA.tmp	NEAS.593bb06e8c19e547b971df37c49943e0.exe
File opened for modification	\??\c:\windows\wininit.exe	wininit.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1456	NEAS.593bb06e8c19e547b971df37c49943e0.exe
1456	NEAS.593bb06e8c19e547b971df37c49943e0.exe
2660	wininit.exe
2660	wininit.exe
2660	wininit.exe
2876	svchost.exe
2660	wininit.exe
2876	svchost.exe
2876	svchost.exe
2660	wininit.exe
2660	wininit.exe
2876	svchost.exe
2876	svchost.exe
2660	wininit.exe
2876	svchost.exe
2660	wininit.exe
2660	wininit.exe
2876	svchost.exe
2876	svchost.exe
2660	wininit.exe
2876	svchost.exe
2660	wininit.exe
2876	svchost.exe
2660	wininit.exe
2876	svchost.exe
2660	wininit.exe
2660	wininit.exe
2876	svchost.exe
2876	svchost.exe
2660	wininit.exe
2876	svchost.exe
2660	wininit.exe
2660	wininit.exe
2876	svchost.exe
2876	svchost.exe
2660	wininit.exe
2876	svchost.exe
2660	wininit.exe
2876	svchost.exe
2660	wininit.exe
2660	wininit.exe
2876	svchost.exe
2876	svchost.exe
2660	wininit.exe
2876	svchost.exe
2660	wininit.exe
2876	svchost.exe
2660	wininit.exe
2876	svchost.exe
2660	wininit.exe
2876	svchost.exe
2660	wininit.exe
2660	wininit.exe
2876	svchost.exe
2876	svchost.exe
2660	wininit.exe
2660	wininit.exe
2876	svchost.exe
2660	wininit.exe
2876	svchost.exe
2660	wininit.exe
2876	svchost.exe
2876	svchost.exe
2660	wininit.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2660	wininit.exe
2876	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2660	wininit.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 2660	1456	NEAS.593bb06e8c19e547b971df37c49943e0.exe	27
PID 1456 wrote to memory of 2660	1456	NEAS.593bb06e8c19e547b971df37c49943e0.exe	27
PID 1456 wrote to memory of 2660	1456	NEAS.593bb06e8c19e547b971df37c49943e0.exe	27
PID 1456 wrote to memory of 2660	1456	NEAS.593bb06e8c19e547b971df37c49943e0.exe	27
PID 1456 wrote to memory of 2876	1456	NEAS.593bb06e8c19e547b971df37c49943e0.exe	28
PID 1456 wrote to memory of 2876	1456	NEAS.593bb06e8c19e547b971df37c49943e0.exe	28
PID 1456 wrote to memory of 2876	1456	NEAS.593bb06e8c19e547b971df37c49943e0.exe	28
PID 1456 wrote to memory of 2876	1456	NEAS.593bb06e8c19e547b971df37c49943e0.exe	28

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\EnableLUA = "0"	NEAS.593bb06e8c19e547b971df37c49943e0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	NEAS.593bb06e8c19e547b971df37c49943e0.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"	svchost.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\ConsentPromptBehaviorAdmin = "0"	NEAS.593bb06e8c19e547b971df37c49943e0.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\PromptOnSecureDesktop = "0"	wininit.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	svchost.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.593bb06e8c19e547b971df37c49943e0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.593bb06e8c19e547b971df37c49943e0.exe"
1⤵
- UAC bypass
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1456
- \??\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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:2660
- \??\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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - System policy modification
  PID:2876

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\svchost.exe

Filesize
3.1MB

MD5
593bb06e8c19e547b971df37c49943e0

SHA1
73a95343a1fffb84f9798305c10d9457c477e584

SHA256
de6d7da1e2cbb5ef2d7bc2523f9a8a442b30c23c10919ebad887edfecea177cf

SHA512
bbc9c4c836a6686e87077508412db9ab0faffb24583db9cc2bfc3d543306ea76e98815ef1168216df93a8776ad5b9783b9810e23e9b427645f744e9c23b0278c

Download Submit
C:\Windows\RCXBCCA.tmp

Filesize
3.1MB

MD5
d246c44f8b8f4ad23b849bd68df1d8ba

SHA1
25013faddc2c160f32a9fae5c8118a9254b8c27a

SHA256
4a57bc3dbaf040162b009a324a0718eb06a8fc7365aa86fb6b2d9118b584d9fe

SHA512
99f3e96c14fc3be41cf9ac822d5cb6192fe3cc0e4ae26f95d9826817cba9796cb0a699abee73601bcbfbc6545734212ff294ddbae1a178a50a156511164c04e7

Download Submit
C:\Windows\wininit.exe

Filesize
3.1MB

MD5
593bb06e8c19e547b971df37c49943e0

SHA1
73a95343a1fffb84f9798305c10d9457c477e584

SHA256
de6d7da1e2cbb5ef2d7bc2523f9a8a442b30c23c10919ebad887edfecea177cf

SHA512
bbc9c4c836a6686e87077508412db9ab0faffb24583db9cc2bfc3d543306ea76e98815ef1168216df93a8776ad5b9783b9810e23e9b427645f744e9c23b0278c

Download Submit
\??\c:\users\admin\appdata\local\svchost.exe

Filesize
3.1MB

MD5
593bb06e8c19e547b971df37c49943e0

SHA1
73a95343a1fffb84f9798305c10d9457c477e584

SHA256
de6d7da1e2cbb5ef2d7bc2523f9a8a442b30c23c10919ebad887edfecea177cf

SHA512
bbc9c4c836a6686e87077508412db9ab0faffb24583db9cc2bfc3d543306ea76e98815ef1168216df93a8776ad5b9783b9810e23e9b427645f744e9c23b0278c

Download Submit
\??\c:\windows\wininit.exe

Filesize
3.1MB

MD5
593bb06e8c19e547b971df37c49943e0

SHA1
73a95343a1fffb84f9798305c10d9457c477e584

SHA256
de6d7da1e2cbb5ef2d7bc2523f9a8a442b30c23c10919ebad887edfecea177cf

SHA512
bbc9c4c836a6686e87077508412db9ab0faffb24583db9cc2bfc3d543306ea76e98815ef1168216df93a8776ad5b9783b9810e23e9b427645f744e9c23b0278c

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

Filesize
3.1MB

MD5
593bb06e8c19e547b971df37c49943e0

SHA1
73a95343a1fffb84f9798305c10d9457c477e584

SHA256
de6d7da1e2cbb5ef2d7bc2523f9a8a442b30c23c10919ebad887edfecea177cf

SHA512
bbc9c4c836a6686e87077508412db9ab0faffb24583db9cc2bfc3d543306ea76e98815ef1168216df93a8776ad5b9783b9810e23e9b427645f744e9c23b0278c

Download Submit
memory/1456-0-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1456-40-0x0000000000400000-0x00000000007B5000-memory.dmp

Filesize
3.7MB

Download
memory/2660-39-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2876-43-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download