357245360ef30cd13daf47e182af50b1c0026f3bc959b9b997af20b7fe32e9f9

Analysis

max time kernel
88s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
20/10/2022, 09:01

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General

Target

357245360ef30cd13daf47e182af50b1c0026f3bc959b9b997af20b7fe32e9f9.dll
Size

733KB
MD5

411ac5a51d56ca976def1d48f8e4bbd0
SHA1

92ca9aed040667c8a17e2cbde9a81bace9364f7f
SHA256

357245360ef30cd13daf47e182af50b1c0026f3bc959b9b997af20b7fe32e9f9
SHA512

4bdcaf264c3f3808eab786c1086a113ea9c6c6c9588e4df588fa16c4953ee1d456220ff827697dce670ac7417b1cfe32d31f665bfd9fc3d141be87c98fb35423
SSDEEP

12288:gBiYm72S8A62ZadO0htmdMzUeIQ3N9yKp6ARw0Z4cPVUCqoQsPlTqOhoeM4/JlPK:fhT812cTXzThx8m76cdnqollTqOSeM4v

Score

9^/10

evasion persistence

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

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-1-5-21-4063495947-34355257-727531523-1000\Software\Wine	rundll32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Temp = "RUNDLL32.EXE C:\\Users\\Admin\\AppData\\Local\\Temp\\357245360ef30cd13daf47e182af50b1c0026f3bc959b9b997af20b7fe32e9f9.dll,EnumDateFormatsExEx"	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1564	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1564	rundll32.exe
1564	rundll32.exe
1564	rundll32.exe
1564	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1564	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1536 wrote to memory of 1564	1536	rundll32.exe	26
PID 1536 wrote to memory of 1564	1536	rundll32.exe	26
PID 1536 wrote to memory of 1564	1536	rundll32.exe	26
PID 1536 wrote to memory of 1564	1536	rundll32.exe	26
PID 1536 wrote to memory of 1564	1536	rundll32.exe	26
PID 1536 wrote to memory of 1564	1536	rundll32.exe	26
PID 1536 wrote to memory of 1564	1536	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\357245360ef30cd13daf47e182af50b1c0026f3bc959b9b997af20b7fe32e9f9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1536
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\357245360ef30cd13daf47e182af50b1c0026f3bc959b9b997af20b7fe32e9f9.dll,#1
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Identifies Wine through registry keys
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1564

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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/1564-55-0x0000000075681000-0x0000000075683000-memory.dmp

Filesize
8KB

Download
memory/1564-56-0x0000000000870000-0x0000000000A0C000-memory.dmp

Filesize
1.6MB

Download
memory/1564-58-0x00000000774D0000-0x0000000077650000-memory.dmp

Filesize
1.5MB

Download
memory/1564-57-0x0000000000870000-0x0000000000A0C000-memory.dmp

Filesize
1.6MB

Download
memory/1564-59-0x0000000000870000-0x0000000000A0C000-memory.dmp

Filesize
1.6MB

Download
memory/1564-60-0x0000000000870000-0x0000000000A0C000-memory.dmp

Filesize
1.6MB

Download