0130a0972e999c8b571731a779d99f7e197a13456b5ea9dceeb26d3288931b4c

Analysis

max time kernel
9s
max time network
46s
platform
windows7_x64
resource
win7-20220414-en
submitted
23-05-2022 21:28

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General

Target

0130a0972e999c8b571731a779d99f7e197a13456b5ea9dceeb26d3288931b4c.dll
Size

1.0MB
MD5

2d9906efe81fd72ab6c60ec77b7cae9c
SHA1

1b1fee7032bbeda73ae970cd250f85d9cb025ed5
SHA256

0130a0972e999c8b571731a779d99f7e197a13456b5ea9dceeb26d3288931b4c
SHA512

2890fceb3437c12c4481944dd1b7206c4525ca5d60724bafc5c4d26e7a76ebf2bbc4784277d9b475c20875b941cce2cf72ad385520650ef0700590274c17ce64

Score

7^/10

bootkit evasion persistence trojan

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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Wine rundll32.exe
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1067

Processes:

rundll32.exe

description ioc process

File opened for modification \??\PhysicalDrive0 rundll32.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

rundll32.exe

pid process

880 rundll32.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

rundll32.exe

pid process

880 rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Wine	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	rundll32.exe

pid	process
880	rundll32.exe

pid	process
880	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 888 wrote to memory of 880	888	rundll32.exe	rundll32.exe
PID 888 wrote to memory of 880	888	rundll32.exe	rundll32.exe
PID 888 wrote to memory of 880	888	rundll32.exe	rundll32.exe
PID 888 wrote to memory of 880	888	rundll32.exe	rundll32.exe
PID 888 wrote to memory of 880	888	rundll32.exe	rundll32.exe
PID 888 wrote to memory of 880	888	rundll32.exe	rundll32.exe
PID 888 wrote to memory of 880	888	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0130a0972e999c8b571731a779d99f7e197a13456b5ea9dceeb26d3288931b4c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:888

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0130a0972e999c8b571731a779d99f7e197a13456b5ea9dceeb26d3288931b4c.dll,#1
2⤵
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:880

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/880-54-0x0000000000000000-mapping.dmp

Download
memory/880-55-0x00000000750C1000-0x00000000750C3000-memory.dmp

Filesize
8KB

Download
memory/880-56-0x0000000001F10000-0x0000000002159000-memory.dmp

Filesize
2.3MB

Download