f3bc9be8bc4373044a808690c2da6abbe7f79e37e35c1740a95db89e5317eec4

Analysis

max time kernel
140s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 05:04

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General

Target

f3bc9be8bc4373044a808690c2da6abbe7f79e37e35c1740a95db89e5317eec4.dll
Size

3.0MB
MD5

4af2e85d017eb90bf88d1fd68c57d4d3
SHA1

9e42bf98c1a94f7c57c3a014560407f9cbac0c9a
SHA256

f3bc9be8bc4373044a808690c2da6abbe7f79e37e35c1740a95db89e5317eec4
SHA512

3a7969f70fbdf12e748bda04b4a8dc4e887f357ab0fdd12c13dc15bb7589f51d4ed685325021b05b8fb16b879cc2f899b917ff830ded931f8fc71bf9f1d9427d
SSDEEP

49152:NijLtqc204yRzlzxTG7sSNARK+/5GbmNpRjugxnoc2fFde5r+ly2lV5nrEcXiKfG:NijJ4ARRFTG7szh+WuunF2dMhf2NPZfG

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\f3bc9be8bc4373044a808690c2da6abbe7f79e37e35c1740a95db89e5317eec4 = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\f3bc9be8bc4373044a808690c2da6abbe7f79e37e35c1740a95db89e5317eec4.dll\", DoEntryAction"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4696 wrote to memory of 4860	4696	rundll32.exe	rundll32.exe
PID 4696 wrote to memory of 4860	4696	rundll32.exe	rundll32.exe
PID 4696 wrote to memory of 4860	4696	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3bc9be8bc4373044a808690c2da6abbe7f79e37e35c1740a95db89e5317eec4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4696

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3bc9be8bc4373044a808690c2da6abbe7f79e37e35c1740a95db89e5317eec4.dll,#1
2⤵
- Adds Run key to start application
PID:4860

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4860-132-0x0000000000000000-mapping.dmp

Download
memory/4860-133-0x0000000002470000-0x0000000002772000-memory.dmp

Filesize
3.0MB

Download
memory/4860-134-0x0000000003430000-0x00000000036C0000-memory.dmp

Filesize
2.6MB

Download
memory/4860-135-0x0000000003430000-0x00000000036C0000-memory.dmp

Filesize
2.6MB

Download