88a022c1e21bf8233d7fefe56cf1170cba797efddcb71e081165ce5a0eeda35e

Analysis

max time kernel
146s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 19:35

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General

Target

88a022c1e21bf8233d7fefe56cf1170cba797efddcb71e081165ce5a0eeda35e.exe
Size

685KB
MD5

381d233126462a31d4ef95f0c9a16f32
SHA1

e2caacbe2a32abbb99a494672a01416c39e24d22
SHA256

88a022c1e21bf8233d7fefe56cf1170cba797efddcb71e081165ce5a0eeda35e
SHA512

70b21747e17b8f041238849a70360c301b16822bcd12bfa0345573c6f7167d8c29481b12bd21cd2c3d3ea1036ca05931bcbdb4013b0807f35b86ae04aef43d3b
SSDEEP

12288:zNIQAPGsAqY9IMVYd38sJdpQHlGlY8KfTJI6Hjr6Fj7b/l9TXQCa:UPGSY91VwNJcFMqT2Wri7bdVXla

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

Chromium.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Chromium.exe
Executes dropped EXE 1 IoCs

Processes:

Chromium.exe

pid process

3368 Chromium.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Chromium.exe

pid	process
3368	Chromium.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Chromium.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Google Chromium = "\"C:\\Users\\Admin\\AppData\\Roaming\\Chromium.exe\""	Chromium.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	Chromium.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Chromium.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" Chromium.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Chromium.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

88a022c1e21bf8233d7fefe56cf1170cba797efddcb71e081165ce5a0eeda35e.exeChromium.exe

pid	process
2728	88a022c1e21bf8233d7fefe56cf1170cba797efddcb71e081165ce5a0eeda35e.exe
2728	88a022c1e21bf8233d7fefe56cf1170cba797efddcb71e081165ce5a0eeda35e.exe
3368	Chromium.exe
3368	Chromium.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

88a022c1e21bf8233d7fefe56cf1170cba797efddcb71e081165ce5a0eeda35e.exe

description	pid	process	target process
PID 2728 wrote to memory of 3368	2728	88a022c1e21bf8233d7fefe56cf1170cba797efddcb71e081165ce5a0eeda35e.exe	Chromium.exe
PID 2728 wrote to memory of 3368	2728	88a022c1e21bf8233d7fefe56cf1170cba797efddcb71e081165ce5a0eeda35e.exe	Chromium.exe
PID 2728 wrote to memory of 3368	2728	88a022c1e21bf8233d7fefe56cf1170cba797efddcb71e081165ce5a0eeda35e.exe	Chromium.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

Chromium.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	Chromium.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Chromium.exe

C:\Users\Admin\AppData\Local\Temp\88a022c1e21bf8233d7fefe56cf1170cba797efddcb71e081165ce5a0eeda35e.exe
"C:\Users\Admin\AppData\Local\Temp\88a022c1e21bf8233d7fefe56cf1170cba797efddcb71e081165ce5a0eeda35e.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2728

C:\Users\Admin\AppData\Roaming\Chromium.exe
C:\Users\Admin\AppData\Roaming\Chromium.exe
2⤵
- UAC bypass
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:3368

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Chromium.exe
Filesize
685KB

MD5
381d233126462a31d4ef95f0c9a16f32

SHA1
e2caacbe2a32abbb99a494672a01416c39e24d22

SHA256
88a022c1e21bf8233d7fefe56cf1170cba797efddcb71e081165ce5a0eeda35e

SHA512
70b21747e17b8f041238849a70360c301b16822bcd12bfa0345573c6f7167d8c29481b12bd21cd2c3d3ea1036ca05931bcbdb4013b0807f35b86ae04aef43d3b

Download Submit
C:\Users\Admin\AppData\Roaming\Chromium.exe
Filesize
685KB

MD5
381d233126462a31d4ef95f0c9a16f32

SHA1
e2caacbe2a32abbb99a494672a01416c39e24d22

SHA256
88a022c1e21bf8233d7fefe56cf1170cba797efddcb71e081165ce5a0eeda35e

SHA512
70b21747e17b8f041238849a70360c301b16822bcd12bfa0345573c6f7167d8c29481b12bd21cd2c3d3ea1036ca05931bcbdb4013b0807f35b86ae04aef43d3b

Download Submit
memory/3368-132-0x0000000000000000-mapping.dmp

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