177f9fed6abb3801b701457c0fea138086add80fa8986c7cb49584de3ec021e3

Analysis

max time kernel
91s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2022, 01:34

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General

Target

177f9fed6abb3801b701457c0fea138086add80fa8986c7cb49584de3ec021e3.dll
Size

796KB
MD5

64bf8a9813c92790429afbe6e1f25fb5
SHA1

3fd8ec56d32d58c1bb6cfb8c87a7dbaa17577b5a
SHA256

177f9fed6abb3801b701457c0fea138086add80fa8986c7cb49584de3ec021e3
SHA512

dfb11c659eb237ec9daecf9d886a7bd247e3efb55e73aadedff057340965ef31514734ff25997887cbd47395d9d7f248a3aa180bab03491a1ffd4f58853bc699
SSDEEP

24576:CiIrRJ+sN0lgJ+n7gt55XSRaYU5uNNfxHq8QMuFP08OtL:CiCRXN0lBgtLSE55EjPFtL

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

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-1-5-21-2891029575-1462575-1165213807-1000\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
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Temp = "Rundll32.exe C:\\Users\\Admin\\AppData\\Local\\Temp\\177f9fed6abb3801b701457c0fea138086add80fa8986c7cb49584de3ec021e3.dll,qtgropqswisf"	rundll32.exe
Key created	\Registry\User\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1500	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1500	rundll32.exe
1500	rundll32.exe
1500	rundll32.exe
1500	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1500	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 1500	2104	rundll32.exe	82
PID 2104 wrote to memory of 1500	2104	rundll32.exe	82
PID 2104 wrote to memory of 1500	2104	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\177f9fed6abb3801b701457c0fea138086add80fa8986c7cb49584de3ec021e3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\177f9fed6abb3801b701457c0fea138086add80fa8986c7cb49584de3ec021e3.dll,#1
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Identifies Wine through registry keys
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1500

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

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1500-133-0x0000000000400000-0x00000000005C9000-memory.dmp

Filesize
1.8MB

Download
memory/1500-134-0x00000000029B0000-0x0000000002A4D000-memory.dmp

Filesize
628KB

Download
memory/1500-135-0x0000000077090000-0x0000000077233000-memory.dmp

Filesize
1.6MB

Download
memory/1500-136-0x0000000000400000-0x00000000005C9000-memory.dmp

Filesize
1.8MB

Download
memory/1500-137-0x0000000000400000-0x00000000005C9000-memory.dmp

Filesize
1.8MB

Download
memory/1500-138-0x0000000077090000-0x0000000077233000-memory.dmp

Filesize
1.6MB

Download
memory/1500-139-0x0000000000400000-0x00000000005C9000-memory.dmp

Filesize
1.8MB

Download