vidar | fd7058957e83055d1f5f1532e3032b88d5f41b28214247be41015f990e4b736c

Analysis

max time kernel
147s
max time network
157s
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 08:29

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General

Target

Setup.exe
Size

379.9MB
MD5

1b74e0765a5f3c58c9a00b66196abf83
SHA1

25ca26a774fe4458b5f788a5f849bd25e1059ee9
SHA256

fd7058957e83055d1f5f1532e3032b88d5f41b28214247be41015f990e4b736c
SHA512

80828192c9138c4d90347f2b2f7aac17edc3b478f5ebc62a758e9cbe92dda549ff4211dcbe73595d83a1c663cf140b993bf8a7bb4738ff9075adbddc929cf323
SSDEEP

49152:KIfXAbTLNYJPKJof7HG1SGKQ6ttgACcMMc5EznT8UuhN9uuMGaDgcaUYFbtxm+VH:O/mC1K5ttRj2qAF9fY31Gtn

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/4048-132-0x0000000000B40000-0x00000000010EB000-memory.dmp	themida
behavioral2/memory/4048-133-0x0000000000B40000-0x00000000010EB000-memory.dmp	themida
behavioral2/memory/4048-134-0x0000000000B40000-0x00000000010EB000-memory.dmp	themida
behavioral2/memory/4048-135-0x0000000000B40000-0x00000000010EB000-memory.dmp	themida
behavioral2/memory/4048-136-0x0000000000B40000-0x00000000010EB000-memory.dmp	themida
behavioral2/memory/4048-137-0x0000000000B40000-0x00000000010EB000-memory.dmp	themida
behavioral2/memory/4048-139-0x0000000000B40000-0x00000000010EB000-memory.dmp	themida
behavioral2/memory/4048-140-0x0000000000B40000-0x00000000010EB000-memory.dmp	themida
behavioral2/memory/4048-141-0x0000000000B40000-0x00000000010EB000-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

4048 Setup.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Setup.exe

pid process

4048 Setup.exe
4048 Setup.exe

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

pid	process
4048	Setup.exe

pid	process
4048	Setup.exe
4048	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:4048

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/4048-132-0x0000000000B40000-0x00000000010EB000-memory.dmp

Filesize
5.7MB

Download
memory/4048-133-0x0000000000B40000-0x00000000010EB000-memory.dmp

Filesize
5.7MB

Download
memory/4048-134-0x0000000000B40000-0x00000000010EB000-memory.dmp

Filesize
5.7MB

Download
memory/4048-135-0x0000000000B40000-0x00000000010EB000-memory.dmp

Filesize
5.7MB

Download
memory/4048-136-0x0000000000B40000-0x00000000010EB000-memory.dmp

Filesize
5.7MB

Download
memory/4048-137-0x0000000000B40000-0x00000000010EB000-memory.dmp

Filesize
5.7MB

Download
memory/4048-139-0x0000000000B40000-0x00000000010EB000-memory.dmp

Filesize
5.7MB

Download
memory/4048-140-0x0000000000B40000-0x00000000010EB000-memory.dmp

Filesize
5.7MB

Download
memory/4048-138-0x0000000077BF0000-0x0000000077D93000-memory.dmp

Filesize
1.6MB

Download
memory/4048-141-0x0000000000B40000-0x00000000010EB000-memory.dmp

Filesize
5.7MB

Download
memory/4048-142-0x0000000077BF0000-0x0000000077D93000-memory.dmp

Filesize
1.6MB

Download