946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc

General

Target

946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe
Size

326KB
MD5

57c64912e6ce05cbb0550aab2dc9bed7
SHA1

5026faead451e4324ed150f5ac874225626e551b
SHA256

946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc
SHA512

0f4247b5de7e0b9ac1a78e82e4b27618e297d90c4a2782b34a64b1321ad6cfe3f3239710c07c9f58d4f00f1823f5cc1dd0d8628ed62f1706a8d255d44aa0cffe
SSDEEP

6144:yz+92mhAMJ/cPl3iZM+OS/ku0SOfZcfVKYLXCeT6tZbQG/fuSuNUqBBJWphERnd:yK2mhAMJ/cPlL+OSsu0/hcfVKYLXCeTD

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 2 IoCs

Processes:

installer.exeChromium.exe

pid process

1392 installer.exe
2184 Chromium.exe

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

pid	process
1392	installer.exe
2184	Chromium.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exeWScript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	WScript.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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	Chromium.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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

Modifies registry class 1 IoCs

Processes:

946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings	946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

installer.exeChromium.exe

pid process

1392 installer.exe
1392 installer.exe
2184 Chromium.exe
2184 Chromium.exe

pid	process
1392	installer.exe
1392	installer.exe
2184	Chromium.exe
2184	Chromium.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exeWScript.exeinstaller.exeChromium.exe

description	pid	process	target process
PID 4216 wrote to memory of 5056	4216	946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe	WScript.exe
PID 4216 wrote to memory of 5056	4216	946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe	WScript.exe
PID 4216 wrote to memory of 5056	4216	946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe	WScript.exe
PID 5056 wrote to memory of 1392	5056	WScript.exe	installer.exe
PID 5056 wrote to memory of 1392	5056	WScript.exe	installer.exe
PID 5056 wrote to memory of 1392	5056	WScript.exe	installer.exe
PID 1392 wrote to memory of 2184	1392	installer.exe	Chromium.exe
PID 1392 wrote to memory of 2184	1392	installer.exe	Chromium.exe
PID 1392 wrote to memory of 2184	1392	installer.exe	Chromium.exe
PID 2184 wrote to memory of 1652	2184	Chromium.exe	schtasks.exe
PID 2184 wrote to memory of 1652	2184	Chromium.exe	schtasks.exe
PID 2184 wrote to memory of 1652	2184	Chromium.exe	schtasks.exe
PID 2184 wrote to memory of 1944	2184	Chromium.exe	schtasks.exe
PID 2184 wrote to memory of 1944	2184	Chromium.exe	schtasks.exe
PID 2184 wrote to memory of 1944	2184	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\946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe
"C:\Users\Admin\AppData\Local\Temp\946d56aa46be6b545ea92d8ce35190579d72b1f6165bc11a6c820ee5dc7d33dc.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4216

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\setup.vbs"
2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5056

C:\Users\Admin\AppData\Local\Temp\installer.exe
"C:\Users\Admin\AppData\Local\Temp\installer.exe" 2014.CCC
3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1392

C:\Users\Admin\AppData\Roaming\Chromium.exe
C:\Users\Admin\AppData\Roaming\Chromium.exe
4⤵
- UAC bypass
- Executes dropped EXE
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2184

C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /TN GoogleUpdateTaskMachineCore /F
5⤵
PID:1652

C:\Windows\SysWOW64\schtasks.exe
schtasks /Delete /TN GoogleUpdateTaskMachineUA /F
5⤵
PID:1944

Network

MITRE ATT&CK Matrix ATT&CK 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

1

T1089

Modify Registry

3

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\installer.exe
Filesize
419KB

MD5
d8a118d85c961555d8cb852027a41b5f

SHA1
ec58e66c540bb3cf2e13df533d1c405735e1dee4

SHA256
b421dd6a12113baba95a4ad55b5c3583952f01b06b06706796da81cfdb4e066a

SHA512
c62bde771048af33d3abc907a391087d053193d42274edaa4c3112e5589ce93083249598d52681b16b09cccbdb85d83ba04dc8d34f2f3dc377aa04197315c537

Download Submit
C:\Users\Admin\AppData\Local\Temp\installer.exe
Filesize
419KB

MD5
d8a118d85c961555d8cb852027a41b5f

SHA1
ec58e66c540bb3cf2e13df533d1c405735e1dee4

SHA256
b421dd6a12113baba95a4ad55b5c3583952f01b06b06706796da81cfdb4e066a

SHA512
c62bde771048af33d3abc907a391087d053193d42274edaa4c3112e5589ce93083249598d52681b16b09cccbdb85d83ba04dc8d34f2f3dc377aa04197315c537

Download Submit
C:\Users\Admin\AppData\Local\Temp\setup.vbs
Filesize
58B

MD5
d0f82f0f532333cc394c3d65637a363c

SHA1
233b8003d2c178e470f6156b9d9c17cc49169b53

SHA256
c91fd6426ca8672e750d34ccf3cda0f36226427cff492fe9a4525a5e89202ec4

SHA512
65a82ef5474ac69038bef1660fa816ad1256d82cb5130b2401e272951f688506dba8f4fbda73799db0394c4950c7bf8b2278abd939e5b617fa2de50f6653f5ab

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C:\Users\Admin\AppData\Roaming\Chromium.exe
Filesize
419KB

MD5
d8a118d85c961555d8cb852027a41b5f

SHA1
ec58e66c540bb3cf2e13df533d1c405735e1dee4

SHA256
b421dd6a12113baba95a4ad55b5c3583952f01b06b06706796da81cfdb4e066a

SHA512
c62bde771048af33d3abc907a391087d053193d42274edaa4c3112e5589ce93083249598d52681b16b09cccbdb85d83ba04dc8d34f2f3dc377aa04197315c537

Download Submit
C:\Users\Admin\AppData\Roaming\Chromium.exe
Filesize
419KB

MD5
d8a118d85c961555d8cb852027a41b5f

SHA1
ec58e66c540bb3cf2e13df533d1c405735e1dee4

SHA256
b421dd6a12113baba95a4ad55b5c3583952f01b06b06706796da81cfdb4e066a

SHA512
c62bde771048af33d3abc907a391087d053193d42274edaa4c3112e5589ce93083249598d52681b16b09cccbdb85d83ba04dc8d34f2f3dc377aa04197315c537

Download Submit
memory/1392-135-0x0000000000000000-mapping.dmp

Download
memory/1652-140-0x0000000000000000-mapping.dmp

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memory/1944-141-0x0000000000000000-mapping.dmp

Download
memory/2184-137-0x0000000000000000-mapping.dmp

Download
memory/5056-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads