94e1dc9fc21ff6dd9b90bffc68a2de48481ddd5a42b8db2f3f180385b9f54bd3

Analysis

max time kernel
145s
max time network
75s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 07:07

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General

Target

11c008028b7b4adc460aa81b816da019.dll
Size

312KB
MD5

11c008028b7b4adc460aa81b816da019
SHA1

cd2ad22603a95f8f096f4f3c99f3fea40ce17dd2
SHA256

94e1dc9fc21ff6dd9b90bffc68a2de48481ddd5a42b8db2f3f180385b9f54bd3
SHA512

03d17f346be2a297b21e4ff724a2703c6030547af57a5a42b41ec8b7a40ebbb5977c4b003578bc2bf69367dc46358138fc0b4737d81dff1089e7432010d43234
SSDEEP

6144:F26EYT7VyVS6T9L4Cbu9CbfNH9sZS6/oVz+UO5r93drmZI/Bq:FYS0VTKCbu9CbVeZS6OSUOL3dCZI/Bq

Score

8^/10

persistence

Malware Config

Signatures

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\sysevent.dll"	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\sysevent.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\sysevent.dll	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 668 wrote to memory of 2760	668	rundll32.exe	14
PID 668 wrote to memory of 2760	668	rundll32.exe	14
PID 668 wrote to memory of 2760	668	rundll32.exe	14

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\11c008028b7b4adc460aa81b816da019.dll,#1
1⤵
- Sets DLL path for service in the registry
- Drops file in System32 directory
PID:2760

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\11c008028b7b4adc460aa81b816da019.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads