e5aff8bf4b3fd44b7b1667b2909ce4393deca1f762bd0aebefaa18b47e5a59c7

Analysis

max time kernel
25s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04-12-2022 17:33

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General

Target

e5aff8bf4b3fd44b7b1667b2909ce4393deca1f762bd0aebefaa18b47e5a59c7.dll
Size

122KB
MD5

5b7070549292c232888fffd2a858ceb3
SHA1

eaee91a242e4cf7731e3f1527ad2eff3f4ddf97f
SHA256

e5aff8bf4b3fd44b7b1667b2909ce4393deca1f762bd0aebefaa18b47e5a59c7
SHA512

e47d7632fba256b2935eade7c82d0d2a4671947ce076144763fb2531b51b7f9c187169f130e5ce6e900cafedd6d63098d84b5dcad8c8430ee587f8d279a44b58
SSDEEP

3072:of9xHwm1PXBmXZFeA28pMGEdePl9dehiv80P80Cnp8d6R:wdwaWB28adeP/deUv80P80Ap8a

Score

8^/10

persistence

Malware Config

Signatures

Modifies Installed Components in the registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{07546764-ADCD-31c8-82A6-F4D093B1724D}\ = "ÏµÍ³ÉèÖÃ"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{07546764-ADCD-31c8-82A6-F4D093B1724D}\stubpath = "þÿÿÿX"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{07546764-ADCD-31c8-82A6-F4D093B1724D}	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2044 wrote to memory of 836	2044	rundll32.exe	rundll32.exe
PID 2044 wrote to memory of 836	2044	rundll32.exe	rundll32.exe
PID 2044 wrote to memory of 836	2044	rundll32.exe	rundll32.exe
PID 2044 wrote to memory of 836	2044	rundll32.exe	rundll32.exe
PID 2044 wrote to memory of 836	2044	rundll32.exe	rundll32.exe
PID 2044 wrote to memory of 836	2044	rundll32.exe	rundll32.exe
PID 2044 wrote to memory of 836	2044	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e5aff8bf4b3fd44b7b1667b2909ce4393deca1f762bd0aebefaa18b47e5a59c7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2044

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e5aff8bf4b3fd44b7b1667b2909ce4393deca1f762bd0aebefaa18b47e5a59c7.dll,#1
2⤵
- Modifies Installed Components in the registry
PID:836

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/836-54-0x0000000000000000-mapping.dmp

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memory/836-55-0x0000000076831000-0x0000000076833000-memory.dmp

Filesize
8KB

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