vidar | 34fbb725cb2dadf927aa711744b2ac462ebfca6545ac07486ff319090727bc9c

General

Target

Setup.exe
Size

688.6MB
MD5

08e151d381448ed0d4bc81360ac902d3
SHA1

6b41c783a0a0fa80db41ba0ea5b04039c5816504
SHA256

184ce64f7c39d8bede67f57b1a114207d991d09c2db4d0c0dc58a004ee8b2219
SHA512

a9557aa238fd749094f8f945b47bc052838cba4c97004dcd07d4c85c17c5c356777dabc3b49ee9c59676ef9115ccc5cf338cc8460ad6366f0ba4c3c9a625525f
SSDEEP

98304:OnkCLdNtZv0I83Xs0GVJ4w/iVG+Kqezp5vXMwRzhcHlmB2r7c:Onk4NtZv0TVGVJ4waU+3S5vcCiHl/

Score

10^/10

vidar 754 evasion stealer themida trojan

Malware Config

Extracted

Family

vidar

Version

2.2

Botnet

754

C2

https://t.me/litlebey

https://steamcommunity.com/profiles/76561199472399815

Attributes

profile_id
754

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 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1928-57-0x0000000000160000-0x0000000000CA2000-memory.dmp	themida
behavioral1/memory/1928-58-0x0000000000160000-0x0000000000CA2000-memory.dmp	themida
behavioral1/memory/1928-66-0x0000000000160000-0x0000000000CA2000-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

1928 Setup.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Setup.exe

description pid process target process

PID 1928 set thread context of 1164 1928 Setup.exe jsc.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

Setup.exe

pid process

1928 Setup.exe
1928 Setup.exe
1928 Setup.exe
1928 Setup.exe
1928 Setup.exe
1928 Setup.exe
1928 Setup.exe
1928 Setup.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Setup.exe

description pid process

Token: SeDebugPrivilege 1928 Setup.exe

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

pid	process
1928	Setup.exe

description	pid	process	target process
PID 1928 set thread context of 1164	1928	Setup.exe	jsc.exe

pid	process
1928	Setup.exe
1928	Setup.exe
1928	Setup.exe
1928	Setup.exe
1928	Setup.exe
1928	Setup.exe
1928	Setup.exe
1928	Setup.exe

description	pid	process
Token: SeDebugPrivilege	1928	Setup.exe

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

Setup.exe

description	pid	process	target process
PID 1928 wrote to memory of 1372	1928	Setup.exe	aspnet_regsql.exe
PID 1928 wrote to memory of 1372	1928	Setup.exe	aspnet_regsql.exe
PID 1928 wrote to memory of 1372	1928	Setup.exe	aspnet_regsql.exe
PID 1928 wrote to memory of 580	1928	Setup.exe	cvtres.exe
PID 1928 wrote to memory of 580	1928	Setup.exe	cvtres.exe
PID 1928 wrote to memory of 580	1928	Setup.exe	cvtres.exe
PID 1928 wrote to memory of 620	1928	Setup.exe	aspnet_wp.exe
PID 1928 wrote to memory of 620	1928	Setup.exe	aspnet_wp.exe
PID 1928 wrote to memory of 620	1928	Setup.exe	aspnet_wp.exe
PID 1928 wrote to memory of 296	1928	Setup.exe	dfsvc.exe
PID 1928 wrote to memory of 296	1928	Setup.exe	dfsvc.exe
PID 1928 wrote to memory of 296	1928	Setup.exe	dfsvc.exe
PID 1928 wrote to memory of 980	1928	Setup.exe	AddInProcess32.exe
PID 1928 wrote to memory of 980	1928	Setup.exe	AddInProcess32.exe
PID 1928 wrote to memory of 980	1928	Setup.exe	AddInProcess32.exe
PID 1928 wrote to memory of 980	1928	Setup.exe	AddInProcess32.exe
PID 1928 wrote to memory of 1684	1928	Setup.exe	EdmGen.exe
PID 1928 wrote to memory of 1684	1928	Setup.exe	EdmGen.exe
PID 1928 wrote to memory of 1684	1928	Setup.exe	EdmGen.exe
PID 1928 wrote to memory of 684	1928	Setup.exe	DataSvcUtil.exe
PID 1928 wrote to memory of 684	1928	Setup.exe	DataSvcUtil.exe
PID 1928 wrote to memory of 684	1928	Setup.exe	DataSvcUtil.exe
PID 1928 wrote to memory of 1132	1928	Setup.exe	AddInProcess.exe
PID 1928 wrote to memory of 1132	1928	Setup.exe	AddInProcess.exe
PID 1928 wrote to memory of 1132	1928	Setup.exe	AddInProcess.exe
PID 1928 wrote to memory of 1164	1928	Setup.exe	jsc.exe
PID 1928 wrote to memory of 1164	1928	Setup.exe	jsc.exe
PID 1928 wrote to memory of 1164	1928	Setup.exe	jsc.exe
PID 1928 wrote to memory of 1164	1928	Setup.exe	jsc.exe
PID 1928 wrote to memory of 1164	1928	Setup.exe	jsc.exe
PID 1928 wrote to memory of 1164	1928	Setup.exe	jsc.exe
PID 1928 wrote to memory of 1164	1928	Setup.exe	jsc.exe
PID 1928 wrote to memory of 1164	1928	Setup.exe	jsc.exe
PID 1928 wrote to memory of 1164	1928	Setup.exe	jsc.exe
PID 1928 wrote to memory of 1164	1928	Setup.exe	jsc.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 use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regsql.exe"
2⤵
PID:1372

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe"
2⤵
PID:580

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe"
2⤵
PID:620

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe"
2⤵
PID:296

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe"
2⤵
PID:980

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\EdmGen.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\EdmGen.exe"
2⤵
PID:1684

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\DataSvcUtil.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\DataSvcUtil.exe"
2⤵
PID:684

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe"
2⤵
PID:1132

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe"
2⤵
PID:1164

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1164-61-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1164-64-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1164-62-0x000000000042D1BC-mapping.dmp

Download
memory/1164-65-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1928-54-0x0000000000160000-0x0000000000CA2000-memory.dmp

Filesize
11.3MB

Download
memory/1928-55-0x0000000077660000-0x0000000077809000-memory.dmp

Filesize
1.7MB

Download
memory/1928-57-0x0000000000160000-0x0000000000CA2000-memory.dmp

Filesize
11.3MB

Download
memory/1928-58-0x0000000000160000-0x0000000000CA2000-memory.dmp

Filesize
11.3MB

Download
memory/1928-59-0x0000000000EF0000-0x0000000000F88000-memory.dmp

Filesize
608KB

Download
memory/1928-60-0x0000000000160000-0x0000000000CA2000-memory.dmp

Filesize
11.3MB

Download
memory/1928-66-0x0000000000160000-0x0000000000CA2000-memory.dmp

Filesize
11.3MB

Download
memory/1928-67-0x0000000077660000-0x0000000077809000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads