vidar | 7a578f31b88420cab5f78920951381c15bb123db4da3bec47a4050ec6a0284f1

Analysis

max time kernel
82s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2022 08:21

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General

Target

Setup.exe
Size

380.9MB
MD5

b122b2a71b7bce0d2bc4eac5a1118c6d
SHA1

c6644608c8d65b8d9564ec0ad73e5d0e59d2c8cf
SHA256

7a578f31b88420cab5f78920951381c15bb123db4da3bec47a4050ec6a0284f1
SHA512

3cfbd0208bd0f67d46b3ba341d8376f7a7c01f04d6f73570205e72627f8122ecd9e1b23ce8621b2f48d9e7baef0c6596f52b8775f07a3c449b97cb8127d71ca2
SSDEEP

98304:3i4WHFi4bv8whyl1+gSVK8IBkhVysqXKGn:y1AZkhCx

Score

10^/10

vidar 1281 evasion stealer themida trojan

Malware Config

Extracted

Family

vidar

Version

54.9

Botnet

1281

https://t.me/dsjdsnxshjx

Attributes

profile_id
1281

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

Setup.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Setup.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Setup.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

Processes:

Setup.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Setup.exe

Themida packer 9 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/2612-132-0x0000000000C60000-0x0000000001305000-memory.dmp	themida
behavioral2/memory/2612-133-0x0000000000C60000-0x0000000001305000-memory.dmp	themida
behavioral2/memory/2612-134-0x0000000000C60000-0x0000000001305000-memory.dmp	themida
behavioral2/memory/2612-136-0x0000000000C60000-0x0000000001305000-memory.dmp	themida
behavioral2/memory/2612-137-0x0000000000C60000-0x0000000001305000-memory.dmp	themida
behavioral2/memory/2612-138-0x0000000000C60000-0x0000000001305000-memory.dmp	themida
behavioral2/memory/2612-139-0x0000000000C60000-0x0000000001305000-memory.dmp	themida
behavioral2/memory/2612-140-0x0000000000C60000-0x0000000001305000-memory.dmp	themida
behavioral2/memory/2612-141-0x0000000000C60000-0x0000000001305000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Setup.exe

description ioc process

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

Processes:

Setup.exe

pid process

2612 Setup.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Setup.exe

pid process

2612 Setup.exe
2612 Setup.exe

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

pid	process
2612	Setup.exe

pid	process
2612	Setup.exe
2612	Setup.exe

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:2612

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/2612-132-0x0000000000C60000-0x0000000001305000-memory.dmp

Filesize
6.6MB

Download
memory/2612-133-0x0000000000C60000-0x0000000001305000-memory.dmp

Filesize
6.6MB

Download
memory/2612-134-0x0000000000C60000-0x0000000001305000-memory.dmp

Filesize
6.6MB

Download
memory/2612-135-0x0000000077A70000-0x0000000077C13000-memory.dmp

Filesize
1.6MB

Download
memory/2612-136-0x0000000000C60000-0x0000000001305000-memory.dmp

Filesize
6.6MB

Download
memory/2612-137-0x0000000000C60000-0x0000000001305000-memory.dmp

Filesize
6.6MB

Download
memory/2612-138-0x0000000000C60000-0x0000000001305000-memory.dmp

Filesize
6.6MB

Download
memory/2612-139-0x0000000000C60000-0x0000000001305000-memory.dmp

Filesize
6.6MB

Download
memory/2612-140-0x0000000000C60000-0x0000000001305000-memory.dmp

Filesize
6.6MB

Download
memory/2612-141-0x0000000000C60000-0x0000000001305000-memory.dmp

Filesize
6.6MB

Download
memory/2612-142-0x0000000077A70000-0x0000000077C13000-memory.dmp

Filesize
1.6MB

Download