vidar | 14c0e0ee6f7b71fa95d9503922349ea2268df30ff2763f18cbd4790261b6f43e

General

Target

Setup.exe
Size

428.1MB
MD5

90b55fb63d500df098a3da8bdc4c07ba
SHA1

11fb1b9c094e79d4118151117077f45275b87d45
SHA256

845d709f5b400025a67cf4dc23822a6d50593bbeda5c302af1e7ba70b78a90bb
SHA512

a6464123d1deee98de9f38691587c05af1d4b577d92f894ed76512ecaf76a699ec9272fee6fba6e8167eb20d4bafb8b7132de2db695781b691cb1ad99ead5bc8
SSDEEP

49152:IWEIITzW5PeHRshUT8E8Lnjz2TN9W4bA9zOVUKrknrU+7i1VInD82OXJEPz:wINq3T8Ey+J9CaVDknrj7+VS8nXJQz

Score

10^/10

vidar 1707 evasion spyware stealer themida trojan

Malware Config

Extracted

Family

vidar

Version

56.1

Botnet

1707

C2

https://t.me/dishasta

https://steamcommunity.com/profiles/76561199441933804

Attributes

profile_id
1707

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

Loads dropped DLL 2 IoCs

Processes:

InstallUtil.exe

pid process

884 InstallUtil.exe
884 InstallUtil.exe

pid	process
884	InstallUtil.exe
884	InstallUtil.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/752-57-0x0000000000BF0000-0x00000000015A4000-memory.dmp	themida
behavioral1/memory/752-64-0x0000000000BF0000-0x00000000015A4000-memory.dmp	themida

Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

752 Setup.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Setup.exe

description pid process target process

PID 752 set thread context of 884 752 Setup.exe InstallUtil.exe

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

pid	process
752	Setup.exe

description	pid	process	target process
PID 752 set thread context of 884	752	Setup.exe	InstallUtil.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	InstallUtil.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	InstallUtil.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1780 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

InstallUtil.exe

pid process

884 InstallUtil.exe

pid	process
1780	timeout.exe

pid	process
884	InstallUtil.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

Setup.exeInstallUtil.execmd.exe

description	pid	process	target process
PID 752 wrote to memory of 884	752	Setup.exe	InstallUtil.exe
PID 752 wrote to memory of 884	752	Setup.exe	InstallUtil.exe
PID 752 wrote to memory of 884	752	Setup.exe	InstallUtil.exe
PID 752 wrote to memory of 884	752	Setup.exe	InstallUtil.exe
PID 752 wrote to memory of 884	752	Setup.exe	InstallUtil.exe
PID 752 wrote to memory of 884	752	Setup.exe	InstallUtil.exe
PID 752 wrote to memory of 884	752	Setup.exe	InstallUtil.exe
PID 752 wrote to memory of 884	752	Setup.exe	InstallUtil.exe
PID 752 wrote to memory of 884	752	Setup.exe	InstallUtil.exe
PID 752 wrote to memory of 884	752	Setup.exe	InstallUtil.exe
PID 752 wrote to memory of 884	752	Setup.exe	InstallUtil.exe
PID 752 wrote to memory of 884	752	Setup.exe	InstallUtil.exe
PID 752 wrote to memory of 884	752	Setup.exe	InstallUtil.exe
PID 752 wrote to memory of 884	752	Setup.exe	InstallUtil.exe
PID 884 wrote to memory of 1128	884	InstallUtil.exe	cmd.exe
PID 884 wrote to memory of 1128	884	InstallUtil.exe	cmd.exe
PID 884 wrote to memory of 1128	884	InstallUtil.exe	cmd.exe
PID 884 wrote to memory of 1128	884	InstallUtil.exe	cmd.exe
PID 1128 wrote to memory of 1780	1128	cmd.exe	timeout.exe
PID 1128 wrote to memory of 1780	1128	cmd.exe	timeout.exe
PID 1128 wrote to memory of 1780	1128	cmd.exe	timeout.exe
PID 1128 wrote to memory of 1780	1128	cmd.exe	timeout.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 use of WriteProcessMemory
PID:752

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:884

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:1128

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
4⤵
- Delays execution with timeout.exe
PID:1780

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

3

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

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Downloads

\ProgramData\mozglue.dll
Filesize
133KB

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

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\ProgramData\nss3.dll
Filesize
1.2MB

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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memory/752-60-0x0000000076D50000-0x0000000076EF9000-memory.dmp

Filesize
1.7MB

Download
memory/752-66-0x0000000076D50000-0x0000000076EF9000-memory.dmp

Filesize
1.7MB

Download
memory/752-59-0x0000000000BF0000-0x00000000015A4000-memory.dmp

Filesize
9.7MB

Download
memory/752-54-0x0000000000BF0000-0x00000000015A4000-memory.dmp

Filesize
9.7MB

Download
memory/752-56-0x0000000076D50000-0x0000000076EF9000-memory.dmp

Filesize
1.7MB

Download
memory/752-58-0x00000000009D0000-0x0000000000A74000-memory.dmp

Filesize
656KB

Download
memory/752-57-0x0000000000BF0000-0x00000000015A4000-memory.dmp

Filesize
9.7MB

Download
memory/752-64-0x0000000000BF0000-0x00000000015A4000-memory.dmp

Filesize
9.7MB

Download
memory/884-62-0x000000000042358C-mapping.dmp

Download
memory/884-67-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/884-68-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download
memory/884-69-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/884-70-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

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memory/884-65-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/884-61-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/884-92-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1128-91-0x0000000000000000-mapping.dmp

Download
memory/1780-93-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads