vidar | f09c16eea97b9e4733ad58653a92b7f4a1ce00556a91ca83d2013153f6ff0e59

Resubmissions

11-09-2022 13:26

220911-qpvgrsbfc3 10

11-09-2022 12:47

220911-p1dsqabeh4 10

Analysis

max time kernel
124s
max time network
139s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11-09-2022 12:47

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General

Target

Setup.exe
Size

370.9MB
MD5

caceb6578e7a4d3011ea97c9d1a693c0
SHA1

9d161e2ec7ecad49fed29e43fd8b04afad11e11d
SHA256

f09c16eea97b9e4733ad58653a92b7f4a1ce00556a91ca83d2013153f6ff0e59
SHA512

5200fb2d9a7654145977e1fbba6a9a77ba026e50523614111a0bfdd0a1eb63043546ee90ec38774aaeeeefdb8fd71e5c9be24d8463fc9bd540b3c15eca49fcdd
SSDEEP

98304:PSZWVxMgSBX6E1BwA26/JQtm111+kZNyLwd/nM2Stzv//PK3cS6i7zsnBW:qW2Hz726xQUakZNy8VMDVv/cr68ABW

Score

10^/10

vidar 1281 evasion stealer themida trojan

Malware Config

Extracted

Family

vidar

Version

53.3

Botnet

1281

http://185.53.46.199:80

http://77.75.230.119:80

http://5.252.23.43:80

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 10 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/828-55-0x0000000001160000-0x0000000001DCE000-memory.dmp	themida
behavioral1/memory/828-61-0x0000000001160000-0x0000000001DCE000-memory.dmp	themida
behavioral1/memory/828-60-0x0000000001160000-0x0000000001DCE000-memory.dmp	themida
behavioral1/memory/828-62-0x0000000001160000-0x0000000001DCE000-memory.dmp	themida
behavioral1/memory/828-63-0x0000000001160000-0x0000000001DCE000-memory.dmp	themida
behavioral1/memory/828-64-0x0000000001160000-0x0000000001DCE000-memory.dmp	themida
behavioral1/memory/828-66-0x0000000001160000-0x0000000001DCE000-memory.dmp	themida
behavioral1/memory/828-67-0x0000000001160000-0x0000000001DCE000-memory.dmp	themida
behavioral1/memory/828-68-0x0000000001160000-0x0000000001DCE000-memory.dmp	themida
behavioral1/memory/828-69-0x0000000001160000-0x0000000001DCE000-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

828 Setup.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Setup.exe

pid process

828 Setup.exe
828 Setup.exe

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

pid	process
828	Setup.exe

pid	process
828	Setup.exe
828	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:828

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/828-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download
memory/828-55-0x0000000001160000-0x0000000001DCE000-memory.dmp

Filesize
12.4MB

Download
memory/828-61-0x0000000001160000-0x0000000001DCE000-memory.dmp

Filesize
12.4MB

Download
memory/828-60-0x0000000001160000-0x0000000001DCE000-memory.dmp

Filesize
12.4MB

Download
memory/828-62-0x0000000001160000-0x0000000001DCE000-memory.dmp

Filesize
12.4MB

Download
memory/828-63-0x0000000001160000-0x0000000001DCE000-memory.dmp

Filesize
12.4MB

Download
memory/828-64-0x0000000001160000-0x0000000001DCE000-memory.dmp

Filesize
12.4MB

Download
memory/828-65-0x00000000771E0000-0x0000000077360000-memory.dmp

Filesize
1.5MB

Download
memory/828-66-0x0000000001160000-0x0000000001DCE000-memory.dmp

Filesize
12.4MB

Download
memory/828-67-0x0000000001160000-0x0000000001DCE000-memory.dmp

Filesize
12.4MB

Download
memory/828-68-0x0000000001160000-0x0000000001DCE000-memory.dmp

Filesize
12.4MB

Download
memory/828-69-0x0000000001160000-0x0000000001DCE000-memory.dmp

Filesize
12.4MB

Download
memory/828-70-0x00000000771E0000-0x0000000077360000-memory.dmp

Filesize
1.5MB

Download