c0a6c28345195508e28c0ec0b66b9649e6b1858f786ba19f4962ce54f98adc0d

Analysis

max time kernel
41s
max time network
30s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 13:55

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General

Target

c0a6c28345195508e28c0ec0b66b9649e6b1858f786ba19f4962ce54f98adc0d.dll
Size

1.2MB
MD5

0b290ad9a4c8ef3e240e8c1e921b4173
SHA1

8c6a277e702334c296773d314fac692560874f21
SHA256

c0a6c28345195508e28c0ec0b66b9649e6b1858f786ba19f4962ce54f98adc0d
SHA512

05792c6e1dabff8b973a3f7491c382b1bf3dad4a19421c113a911eb3bc910cc06a1c6361448c8fe35c20a50db06008f250952e34f82b4c65a26978395814b3fb
SSDEEP

24576:MQxzUuGtLwlJtRK91SgmDMbivYiUHhwj+sK8hAO8x:dDGZ82knY7ij+slg

Score

9^/10

evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	rundll32.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Wine	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1776	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1776	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1536 wrote to memory of 1776	1536	rundll32.exe	28
PID 1536 wrote to memory of 1776	1536	rundll32.exe	28
PID 1536 wrote to memory of 1776	1536	rundll32.exe	28
PID 1536 wrote to memory of 1776	1536	rundll32.exe	28
PID 1536 wrote to memory of 1776	1536	rundll32.exe	28
PID 1536 wrote to memory of 1776	1536	rundll32.exe	28
PID 1536 wrote to memory of 1776	1536	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0a6c28345195508e28c0ec0b66b9649e6b1858f786ba19f4962ce54f98adc0d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1536
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0a6c28345195508e28c0ec0b66b9649e6b1858f786ba19f4962ce54f98adc0d.dll,#1
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:1776

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1776-55-0x0000000075C31000-0x0000000075C33000-memory.dmp

Filesize
8KB

Download
memory/1776-56-0x0000000002160000-0x000000000241F000-memory.dmp

Filesize
2.7MB

Download
memory/1776-57-0x00000000778F0000-0x0000000077A70000-memory.dmp

Filesize
1.5MB

Download
memory/1776-58-0x0000000002160000-0x000000000241F000-memory.dmp

Filesize
2.7MB

Download
memory/1776-59-0x00000000778F0000-0x0000000077A70000-memory.dmp

Filesize
1.5MB

Download