9c81a524dc840d456b64dd11d8cb0dc8f650abb4a96bb8165ce95eec6efbc662

General

Target

9c81a524dc840d456b64dd11d8cb0dc8f650abb4a96bb8165ce95eec6efbc662.exe
Size

527KB
MD5

fb95992e04828da5305595de83eb7309
SHA1

c1b1f5719248df79073dfb127737c1ac17a1a5b2
SHA256

9c81a524dc840d456b64dd11d8cb0dc8f650abb4a96bb8165ce95eec6efbc662
SHA512

5b326016e73faaf1d5668cf473619a1009cabbc481996eac516f2f813afaf5fe6dbb51ec41821065d047c65427e39c98d9bcff771c9cd35c775842765fde3b8c
SSDEEP

12288:yNIQAPGsAqY9IMVYd38sJdpQHl0lY8Kf4GtKI:fPGSY91VwNJcFiq4M

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

1984 Chromium.exe
Loads dropped DLL 1 IoCs

Processes:

9c81a524dc840d456b64dd11d8cb0dc8f650abb4a96bb8165ce95eec6efbc662.exe

pid process

1976 9c81a524dc840d456b64dd11d8cb0dc8f650abb4a96bb8165ce95eec6efbc662.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	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
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run	Chromium.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Google Chromium = "\"C:\\Users\\Admin\\AppData\\Roaming\\Chromium.exe\""	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 behavior: EnumeratesProcesses 51 IoCs

Processes:

Chromium.exe

pid	process
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe
1984	Chromium.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

9c81a524dc840d456b64dd11d8cb0dc8f650abb4a96bb8165ce95eec6efbc662.exeChromium.exe

pid	process
1976	9c81a524dc840d456b64dd11d8cb0dc8f650abb4a96bb8165ce95eec6efbc662.exe
1976	9c81a524dc840d456b64dd11d8cb0dc8f650abb4a96bb8165ce95eec6efbc662.exe
1984	Chromium.exe
1984	Chromium.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

9c81a524dc840d456b64dd11d8cb0dc8f650abb4a96bb8165ce95eec6efbc662.exeChromium.exe

description	pid	process	target process
PID 1976 wrote to memory of 1984	1976	9c81a524dc840d456b64dd11d8cb0dc8f650abb4a96bb8165ce95eec6efbc662.exe	Chromium.exe
PID 1976 wrote to memory of 1984	1976	9c81a524dc840d456b64dd11d8cb0dc8f650abb4a96bb8165ce95eec6efbc662.exe	Chromium.exe
PID 1976 wrote to memory of 1984	1976	9c81a524dc840d456b64dd11d8cb0dc8f650abb4a96bb8165ce95eec6efbc662.exe	Chromium.exe
PID 1976 wrote to memory of 1984	1976	9c81a524dc840d456b64dd11d8cb0dc8f650abb4a96bb8165ce95eec6efbc662.exe	Chromium.exe
PID 1984 wrote to memory of 1368	1984	Chromium.exe	schtasks.exe
PID 1984 wrote to memory of 1368	1984	Chromium.exe	schtasks.exe
PID 1984 wrote to memory of 1368	1984	Chromium.exe	schtasks.exe
PID 1984 wrote to memory of 1368	1984	Chromium.exe	schtasks.exe
PID 1984 wrote to memory of 1496	1984	Chromium.exe	schtasks.exe
PID 1984 wrote to memory of 1496	1984	Chromium.exe	schtasks.exe
PID 1984 wrote to memory of 1496	1984	Chromium.exe	schtasks.exe
PID 1984 wrote to memory of 1496	1984	Chromium.exe	schtasks.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\9c81a524dc840d456b64dd11d8cb0dc8f650abb4a96bb8165ce95eec6efbc662.exe
"C:\Users\Admin\AppData\Local\Temp\9c81a524dc840d456b64dd11d8cb0dc8f650abb4a96bb8165ce95eec6efbc662.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1976

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 behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1984

C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /TN GoogleUpdateTaskMachineCore /F
3⤵
PID:1368

C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /TN GoogleUpdateTaskMachineUA /F
3⤵
PID:1496

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Chromium.exe
Filesize
527KB

MD5
fb95992e04828da5305595de83eb7309

SHA1
c1b1f5719248df79073dfb127737c1ac17a1a5b2

SHA256
9c81a524dc840d456b64dd11d8cb0dc8f650abb4a96bb8165ce95eec6efbc662

SHA512
5b326016e73faaf1d5668cf473619a1009cabbc481996eac516f2f813afaf5fe6dbb51ec41821065d047c65427e39c98d9bcff771c9cd35c775842765fde3b8c

Download Submit
C:\Users\Admin\AppData\Roaming\Chromium.exe
Filesize
527KB

MD5
fb95992e04828da5305595de83eb7309

SHA1
c1b1f5719248df79073dfb127737c1ac17a1a5b2

SHA256
9c81a524dc840d456b64dd11d8cb0dc8f650abb4a96bb8165ce95eec6efbc662

SHA512
5b326016e73faaf1d5668cf473619a1009cabbc481996eac516f2f813afaf5fe6dbb51ec41821065d047c65427e39c98d9bcff771c9cd35c775842765fde3b8c

Download Submit
\Users\Admin\AppData\Roaming\Chromium.exe
Filesize
527KB

MD5
fb95992e04828da5305595de83eb7309

SHA1
c1b1f5719248df79073dfb127737c1ac17a1a5b2

SHA256
9c81a524dc840d456b64dd11d8cb0dc8f650abb4a96bb8165ce95eec6efbc662

SHA512
5b326016e73faaf1d5668cf473619a1009cabbc481996eac516f2f813afaf5fe6dbb51ec41821065d047c65427e39c98d9bcff771c9cd35c775842765fde3b8c

Download Submit
memory/1368-60-0x0000000000000000-mapping.dmp

Download
memory/1496-61-0x0000000000000000-mapping.dmp

Download
memory/1976-54-0x00000000754E1000-0x00000000754E3000-memory.dmp

Filesize
8KB

Download
memory/1984-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads