970720560dfd7943751a84cc89c6361800abb98cb23e9daa66c459cacebd3e92

General

Target

tasks_137.vir.exe
Size

137KB
MD5

54a79ec504774ba90fdb75e361ab8273
SHA1

5f9a3d9c66b2a77fc81d6e9b330aa5a8e87b00e4
SHA256

970720560dfd7943751a84cc89c6361800abb98cb23e9daa66c459cacebd3e92
SHA512

00ab17a16a1ca2dab7ea0a0f65d81945e456a4b0653aa49942dfe67b4916491f4b6885b59fffc35adc756b795526ba1a6ef77a48185c917f71702c83ebeb9275

Score

8^/10

persistence

Malware Config

Signatures

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

tasks_137.vir.exeseuvke.exeseuvke.exe

description	pid	process	target process
PID 992 wrote to memory of 1548	992	tasks_137.vir.exe	seuvke.exe
PID 992 wrote to memory of 1548	992	tasks_137.vir.exe	seuvke.exe
PID 992 wrote to memory of 1548	992	tasks_137.vir.exe	seuvke.exe
PID 992 wrote to memory of 1816	992	tasks_137.vir.exe	cmd.exe
PID 992 wrote to memory of 1816	992	tasks_137.vir.exe	cmd.exe
PID 992 wrote to memory of 1816	992	tasks_137.vir.exe	cmd.exe
PID 1548 wrote to memory of 2128	1548	seuvke.exe	seuvke.exe
PID 1548 wrote to memory of 2128	1548	seuvke.exe	seuvke.exe
PID 1548 wrote to memory of 2128	1548	seuvke.exe	seuvke.exe
PID 1548 wrote to memory of 2128	1548	seuvke.exe	seuvke.exe
PID 1548 wrote to memory of 2128	1548	seuvke.exe	seuvke.exe
PID 1548 wrote to memory of 2128	1548	seuvke.exe	seuvke.exe
PID 1548 wrote to memory of 2128	1548	seuvke.exe	seuvke.exe
PID 1548 wrote to memory of 2128	1548	seuvke.exe	seuvke.exe
PID 1548 wrote to memory of 2128	1548	seuvke.exe	seuvke.exe
PID 2128 wrote to memory of 3972	2128	seuvke.exe	ctfmon.exe
PID 2128 wrote to memory of 3972	2128	seuvke.exe	ctfmon.exe
PID 2128 wrote to memory of 3972	2128	seuvke.exe	ctfmon.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

seuvke.exe

pid	process
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe
2128	seuvke.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

seuvke.exe

pid process

2128 seuvke.exe
2128 seuvke.exe
Drops file in Windows directory 1 IoCs

Processes:

tasks_137.vir.exe

description ioc process

File created C:\Windows\Tasks\Security Center Update - 2216425076.job tasks_137.vir.exe

description	ioc	process
File created	C:\Windows\Tasks\Security Center Update - 2216425076.job	tasks_137.vir.exe

Drops file in System32 directory 2 IoCs

Processes:

tasks_137.vir.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\winsec.exe	tasks_137.vir.exe
File created	C:\Windows\SysWOW64\winsec.exe	tasks_137.vir.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

seuvke.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	seuvke.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Software\Microsoft\Windows\CurrentVersion\Run\3657703220 = "C:\\Users\\Admin\\AppData\\Roaming\\Yncazel\\seuvke.exe"	seuvke.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	seuvke.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\3657703220 = "C:\\Users\\Admin\\AppData\\Roaming\\Yncazel\\seuvke.exe"	seuvke.exe

Executes dropped EXE 3 IoCs

Processes:

winsec.exeseuvke.exeseuvke.exe

pid process

1072 winsec.exe
1548 seuvke.exe
2128 seuvke.exe

pid	process
1072	winsec.exe
1548	seuvke.exe
2128	seuvke.exe

C:\Users\Admin\AppData\Local\Temp\tasks_137.vir.exe
"C:\Users\Admin\AppData\Local\Temp\tasks_137.vir.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Drops file in Windows directory
- Drops file in System32 directory
PID:992

C:\Users\Admin\AppData\Roaming\Yncazel\seuvke.exe
"C:\Users\Admin\AppData\Roaming\Yncazel\seuvke.exe"
2⤵
- Suspicious use of WriteProcessMemory
- Adds Run key to start application
- Executes dropped EXE
PID:1548

C:\Users\Admin\AppData\Roaming\Yncazel\seuvke.exe
"C:\Users\Admin\AppData\Roaming\Yncazel\seuvke.exe" -child
3⤵
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Executes dropped EXE
PID:2128

C:\Windows\SysWOW64\ctfmon.exe
ctfmon.exe
4⤵
PID:3972

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmped67d3ad.bat"
2⤵
PID:1816

C:\Windows\SysWOW64\winsec.exe
"C:\Windows\SysWOW64\winsec.exe" -service "C:\Users\Admin\AppData\Roaming\Yncazel\seuvke.exe"
1⤵
- Executes dropped EXE
PID:1072

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\XLNG8L02.cookie

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C:\Users\Admin\AppData\Local\Temp\tmped67d3ad.bat

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C:\Users\Admin\AppData\Roaming\Yncazel\seuvke.exe

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C:\Users\Admin\AppData\Roaming\Yncazel\seuvke.exe

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C:\Users\Admin\AppData\Roaming\Yncazel\seuvke.exe

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C:\Windows\SysWOW64\winsec.exe

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C:\Windows\SysWOW64\winsec.exe

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memory/1548-3-0x0000000000000000-mapping.dmp

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memory/1816-5-0x0000000000000000-mapping.dmp

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memory/2128-6-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

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memory/2128-11-0x0000000000000000-mapping.dmp

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memory/2128-10-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

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memory/2128-9-0x00000000001E0000-0x00000000001E0002-memory.dmp

Filesize
2B

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memory/2128-7-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

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memory/3972-14-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads