b911f3ccc39031fc77b5b5dc15e8c4c10642edb961e5dd1799bbae80888d5471

Analysis

max time kernel
32s
max time network
47s
platform
windows7_x64
resource
win7-20220414-en
submitted
14-07-2022 05:17

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General

Target

b911f3ccc39031fc77b5b5dc15e8c4c10642edb961e5dd1799bbae80888d5471.dll
Size

648KB
MD5

47cf2312142053973478a73c2221eea6
SHA1

6b50b6c1bb38de64ab2835387043e70e7add744f
SHA256

b911f3ccc39031fc77b5b5dc15e8c4c10642edb961e5dd1799bbae80888d5471
SHA512

5a41a77798991958097616fa5959f4ea39ca370a7513179f96c9a03524252690084a4a50b290148327aa9b8b8af88d24d2ea218dbfac47ac5b1b7cd7584efcb3

Score

7^/10

evasion

Malware Config

Signatures

Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Wine rundll32.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

rundll32.exe

pid process

1740 rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Wine	rundll32.exe

pid	process
1740	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1732 wrote to memory of 1740	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1740	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1740	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1740	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1740	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1740	1732	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1740	1732	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b911f3ccc39031fc77b5b5dc15e8c4c10642edb961e5dd1799bbae80888d5471.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1732

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b911f3ccc39031fc77b5b5dc15e8c4c10642edb961e5dd1799bbae80888d5471.dll,#1
2⤵
- Identifies Wine through registry keys
- Suspicious behavior: EnumeratesProcesses
PID:1740

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1740-54-0x0000000000000000-mapping.dmp

Download
memory/1740-55-0x00000000755C1000-0x00000000755C3000-memory.dmp

Filesize
8KB

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