8ac3589984b82dad5e1eea3d4d8c53bf9e28967e3cfece5683d3ec558ae00ff6

Analysis

max time kernel
119s
max time network
137s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12-10-2023 05:22

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General

Target

8ac3589984b82dad5e1eea3d4d8c53bf9e28967e3cfece5683d3ec558ae00ff6.dll
Size

3.0MB
MD5

a1907e94127ca408fb506656526ce745
SHA1

6e8374fdaac04597da765cfcecee1f9fbc100cfd
SHA256

8ac3589984b82dad5e1eea3d4d8c53bf9e28967e3cfece5683d3ec558ae00ff6
SHA512

09783c2e1352e8b5a17cf2e04c4f0275790b9a7c7d3d578a8c189a943784b9309a309b262e6a20d1dc15af2a7a70055885e1f8c64c9fed6ac8904dd272a27fa2
SSDEEP

49152:U5ceehonLGxSSAcInaX94Y4+GLEZ4Q75ZbMcferuAcdj+8GXg87zRNRlQZ2cPeA:UXZOSDcIneMbLEJ75ZbMcG8dj+8G9JiH

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-1-5-21-3185155662-718608226-894467740-1000\Software\Wine	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1068	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1068	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1068	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 784 wrote to memory of 1068	784	rundll32.exe	30
PID 784 wrote to memory of 1068	784	rundll32.exe	30
PID 784 wrote to memory of 1068	784	rundll32.exe	30
PID 784 wrote to memory of 1068	784	rundll32.exe	30
PID 784 wrote to memory of 1068	784	rundll32.exe	30
PID 784 wrote to memory of 1068	784	rundll32.exe	30
PID 784 wrote to memory of 1068	784	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ac3589984b82dad5e1eea3d4d8c53bf9e28967e3cfece5683d3ec558ae00ff6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:784
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ac3589984b82dad5e1eea3d4d8c53bf9e28967e3cfece5683d3ec558ae00ff6.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
  - Suspicious use of SetWindowsHookEx
  PID:1068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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/1068-0-0x0000000010000000-0x00000000106E9000-memory.dmp

Filesize
6.9MB

Download
memory/1068-1-0x0000000010000000-0x00000000106E9000-memory.dmp

Filesize
6.9MB

Download
memory/1068-2-0x0000000010000000-0x00000000106E9000-memory.dmp

Filesize
6.9MB

Download
memory/1068-3-0x00000000771A0000-0x00000000771A2000-memory.dmp

Filesize
8KB

Download
memory/1068-4-0x0000000010000000-0x00000000106E9000-memory.dmp

Filesize
6.9MB

Download
memory/1068-5-0x0000000010000000-0x00000000106E9000-memory.dmp

Filesize
6.9MB

Download
memory/1068-6-0x0000000010000000-0x00000000106E9000-memory.dmp

Filesize
6.9MB

Download
memory/1068-7-0x0000000010000000-0x00000000106E9000-memory.dmp

Filesize
6.9MB

Download
memory/1068-9-0x0000000002310000-0x0000000002311000-memory.dmp

Filesize
4KB

Download
memory/1068-8-0x0000000002450000-0x0000000002452000-memory.dmp

Filesize
8KB

Download
memory/1068-10-0x0000000002730000-0x0000000002732000-memory.dmp

Filesize
8KB

Download
memory/1068-11-0x00000000029E0000-0x00000000029E2000-memory.dmp

Filesize
8KB

Download