98f0b9f089ece71841ff2e8d543997dcc5ab7762ba916b7a1d10d0c44dc18406

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
12/06/2024, 05:01

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General

Target

98f0b9f089ece71841ff2e8d543997dcc5ab7762ba916b7a1d10d0c44dc18406.dll
Size

1.9MB
MD5

95d8e73e2f99522d68b598349a6c1aa7
SHA1

82bc23ee7c04e65e3356aa05c847d7b10cf4e863
SHA256

98f0b9f089ece71841ff2e8d543997dcc5ab7762ba916b7a1d10d0c44dc18406
SHA512

93b649e2fc5ffd25ea46806c09f789ef87b1f8bc4010d50cfacf93b093a8fe0394efa166af21dc27016d01a451c14962f43f00ae8ad40a4d983a87b307d9783d
SSDEEP

49152:K2D3d+kU5+firG8zMAOd86vErgVNRGnbRi:Vc5wi61bhM4eA

Score

9^/10

evasion trojan

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

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 2076	2468	rundll32.exe	28
PID 2468 wrote to memory of 2076	2468	rundll32.exe	28
PID 2468 wrote to memory of 2076	2468	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\98f0b9f089ece71841ff2e8d543997dcc5ab7762ba916b7a1d10d0c44dc18406.dll,#1
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2468 -s 120
  2⤵
  PID:2076

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

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Downloads

memory/2468-0-0x000007FEF5D80000-0x000007FEF6278000-memory.dmp

Filesize
5.0MB

Download
memory/2468-1-0x000007FEF5880000-0x000007FEF5D78000-memory.dmp

Filesize
5.0MB

Download
memory/2468-3-0x000007FEF5880000-0x000007FEF5D78000-memory.dmp

Filesize
5.0MB

Download
memory/2468-2-0x000007FEF5D80000-0x000007FEF6278000-memory.dmp

Filesize
5.0MB

Download
memory/2468-4-0x000007FEF5880000-0x000007FEF5D78000-memory.dmp

Filesize
5.0MB

Download
memory/2468-6-0x000007FEF5880000-0x000007FEF5D78000-memory.dmp

Filesize
5.0MB

Download
memory/2468-5-0x000007FEF5880000-0x000007FEF5D78000-memory.dmp

Filesize
5.0MB

Download
memory/2468-7-0x000007FEF5880000-0x000007FEF5D78000-memory.dmp

Filesize
5.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads