e1a51320c982179affb26f417fbbba7e259f819a2721ab9eb0f6d665b6ea1625

Analysis

max time kernel
90s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 19:24

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General

Target

e1a51320c982179affb26f417fbbba7e259f819a2721ab9eb0f6d665b6ea1625.dll
Size

2.4MB
MD5

d97fc262c11054add1ba906118b4e7ee
SHA1

56a6e7c8935945224be7fb0ca899c897456eb5e4
SHA256

e1a51320c982179affb26f417fbbba7e259f819a2721ab9eb0f6d665b6ea1625
SHA512

b99c92fe3d7ea0c8f4003449ed9caf57f746a45ae2b2feef7ed6ca3f796a7b996ec44b6b1b5ca8cf912c406dc8948322b4758d6652a43057a6bccb424be39b08

Score

9^/10

evasion trojan

Malware Config

Signatures

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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

Processes:

rundll32.exe

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

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

rundll32.exe

pid process

2372 rundll32.exe

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

pid	process
2372	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4044 wrote to memory of 2372	4044	rundll32.exe	rundll32.exe
PID 4044 wrote to memory of 2372	4044	rundll32.exe	rundll32.exe
PID 4044 wrote to memory of 2372	4044	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1a51320c982179affb26f417fbbba7e259f819a2721ab9eb0f6d665b6ea1625.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4044

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1a51320c982179affb26f417fbbba7e259f819a2721ab9eb0f6d665b6ea1625.dll,#1
2⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:2372

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2372-130-0x0000000000000000-mapping.dmp

Download
memory/2372-131-0x0000000010001000-0x0000000010005000-memory.dmp

Filesize
16KB

Download
memory/2372-132-0x0000000077BD0000-0x0000000077D73000-memory.dmp

Filesize
1.6MB

Download