9ac6aabe5f916e190055913ff7b161356c5b4e5e3d99b5036cf3675751bc765a

General

Target
ade751cefdaa9e5295855f4e2c3f0e19.exe
Size 79KB
Sample220124-e8ttsscbcl
SHA256 9ac6aabe5f916e190055913ff7b161356c5b4e5e3d99b5036cf3675751bc765a
MD5 ade751cefdaa9e5295855f4e2c3f0e19
SHA1 2bb54d7c37a796510acf1fe726f0dc3d268da757
SHA512 86500a9a573b55534c1f94c6da3c440db33fc2e3117d314e8affb48d9c8bea29cde917de2af41d713037921ab4d09cd283f1412676dd3871203c407f2e42fb7c
MD5 SHA1 SHA512

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Windows security bypass 2 TTPs 6 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	wontrsvm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	wontrsvm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	wontrsvm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1"	wontrsvm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	wontrsvm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	wontrsvm.exe

Executes dropped EXE 1 IoCs

pid	Process
1344	wontrsvm.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	wontrsvm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	wontrsvm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	wontrsvm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1"	wontrsvm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	wontrsvm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	wontrsvm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	wontrsvm.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\wontrsvm.exe"	ade751cefdaa9e5295855f4e2c3f0e19.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\wontrsvm.exe	ade751cefdaa9e5295855f4e2c3f0e19.exe
File opened for modification	C:\Windows\wontrsvm.exe	ade751cefdaa9e5295855f4e2c3f0e19.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 1344	1632	ade751cefdaa9e5295855f4e2c3f0e19.exe	27
PID 1632 wrote to memory of 1344	1632	ade751cefdaa9e5295855f4e2c3f0e19.exe	27
PID 1632 wrote to memory of 1344	1632	ade751cefdaa9e5295855f4e2c3f0e19.exe	27
PID 1632 wrote to memory of 1344	1632	ade751cefdaa9e5295855f4e2c3f0e19.exe	27

C:\Users\Admin\AppData\Local\Temp\ade751cefdaa9e5295855f4e2c3f0e19.exe
"C:\Users\Admin\AppData\Local\Temp\ade751cefdaa9e5295855f4e2c3f0e19.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Windows\wontrsvm.exe
  C:\Windows\wontrsvm.exe
  2⤵
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  PID:1344

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1632-55-0x00000000763F1000-0x00000000763F3000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads