vidar | 9d922444b2e91da8a44dbfb03637dc2b35468bddba5871034e10dcea9ced6efa

General

Target

d25682fcd8c3d61bee85eb504e6f2cfe.exe
Size

615KB
MD5

d25682fcd8c3d61bee85eb504e6f2cfe
SHA1

6311f73bddb89a436a4a441b05b49b781b47b53f
SHA256

9d922444b2e91da8a44dbfb03637dc2b35468bddba5871034e10dcea9ced6efa
SHA512

48da599c8783bdc11da9b6ce275ce26429815d31d9d3191e30d814c906c67c18325457b26987a1e2f17da1064f19aa4145986a2cbb49c82a7ff9d1cfe3414f6c
SSDEEP

12288:w8UEVeVaqaHBSeNiyiK7XVCtosfKxJF/6m:kaqwnNiyiK7FCtoQKx31

Score

10^/10

vidar 1364 spyware stealer

Malware Config

Extracted

Family

vidar

Version

56

Botnet

1364

C2

https://t.me/asifrazatg

https://steamcommunity.com/profiles/76561199439929669

Attributes

profile_id
1364

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Loads dropped DLL 2 IoCs

Processes:

InstallUtil.exe

pid process

2808 InstallUtil.exe
2808 InstallUtil.exe
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
Suspicious use of SetThreadContext 1 IoCs

Processes:

d25682fcd8c3d61bee85eb504e6f2cfe.exe

description pid process target process

PID 1108 set thread context of 2808 1108 d25682fcd8c3d61bee85eb504e6f2cfe.exe InstallUtil.exe

pid	process
2808	InstallUtil.exe
2808	InstallUtil.exe

description	pid	process	target process
PID 1108 set thread context of 2808	1108	d25682fcd8c3d61bee85eb504e6f2cfe.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

4764 timeout.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

InstallUtil.exe

pid process

2808 InstallUtil.exe
2808 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

d25682fcd8c3d61bee85eb504e6f2cfe.exe

description pid process

Token: SeDebugPrivilege 1108 d25682fcd8c3d61bee85eb504e6f2cfe.exe

pid	process
4764	timeout.exe

pid	process
2808	InstallUtil.exe
2808	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1108	d25682fcd8c3d61bee85eb504e6f2cfe.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

d25682fcd8c3d61bee85eb504e6f2cfe.exeInstallUtil.execmd.exe

description	pid	process	target process
PID 1108 wrote to memory of 2808	1108	d25682fcd8c3d61bee85eb504e6f2cfe.exe	InstallUtil.exe
PID 1108 wrote to memory of 2808	1108	d25682fcd8c3d61bee85eb504e6f2cfe.exe	InstallUtil.exe
PID 1108 wrote to memory of 2808	1108	d25682fcd8c3d61bee85eb504e6f2cfe.exe	InstallUtil.exe
PID 1108 wrote to memory of 2808	1108	d25682fcd8c3d61bee85eb504e6f2cfe.exe	InstallUtil.exe
PID 1108 wrote to memory of 2808	1108	d25682fcd8c3d61bee85eb504e6f2cfe.exe	InstallUtil.exe
PID 1108 wrote to memory of 2808	1108	d25682fcd8c3d61bee85eb504e6f2cfe.exe	InstallUtil.exe
PID 1108 wrote to memory of 2808	1108	d25682fcd8c3d61bee85eb504e6f2cfe.exe	InstallUtil.exe
PID 1108 wrote to memory of 2808	1108	d25682fcd8c3d61bee85eb504e6f2cfe.exe	InstallUtil.exe
PID 1108 wrote to memory of 2808	1108	d25682fcd8c3d61bee85eb504e6f2cfe.exe	InstallUtil.exe
PID 1108 wrote to memory of 2808	1108	d25682fcd8c3d61bee85eb504e6f2cfe.exe	InstallUtil.exe
PID 2808 wrote to memory of 4936	2808	InstallUtil.exe	cmd.exe
PID 2808 wrote to memory of 4936	2808	InstallUtil.exe	cmd.exe
PID 2808 wrote to memory of 4936	2808	InstallUtil.exe	cmd.exe
PID 4936 wrote to memory of 4764	4936	cmd.exe	timeout.exe
PID 4936 wrote to memory of 4764	4936	cmd.exe	timeout.exe
PID 4936 wrote to memory of 4764	4936	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\d25682fcd8c3d61bee85eb504e6f2cfe.exe
"C:\Users\Admin\AppData\Local\Temp\d25682fcd8c3d61bee85eb504e6f2cfe.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1108

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:2808

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:4936

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
4⤵
- Delays execution with timeout.exe
PID:4764

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll
Filesize
133KB

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
C:\ProgramData\nss3.dll
Filesize
1.2MB

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
memory/1108-138-0x00007FF91DE10000-0x00007FF91E8D1000-memory.dmp

Filesize
10.8MB

Download
memory/1108-133-0x00007FF91DE10000-0x00007FF91E8D1000-memory.dmp

Filesize
10.8MB

Download
memory/1108-132-0x000001A6A2AB0000-0x000001A6A2B4C000-memory.dmp

Filesize
624KB

Download
memory/2808-135-0x000000000042319C-mapping.dmp

Download
memory/2808-137-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2808-139-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2808-140-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2808-136-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2808-134-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/2808-162-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4764-163-0x0000000000000000-mapping.dmp

Download
memory/4936-161-0x0000000000000000-mapping.dmp

Download

Analysis

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