vidar | 33e42124fdaefc1ac55558e0a4d2e6f25e2923c3616d88cb9bfdb8dec4d9a5f3

Analysis

max time kernel
62s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2022 17:20

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General

Target

33e42124fdaefc1ac55558e0a4d2e6f25e2923c3616d88cb9bfdb8dec4d9a5f3.exe
Size

384KB
MD5

f7b2ed3a6a74e0275357430a76c3c835
SHA1

f5d7adfc31ead83269afe53bbbbe38a1ec86c7c2
SHA256

33e42124fdaefc1ac55558e0a4d2e6f25e2923c3616d88cb9bfdb8dec4d9a5f3
SHA512

4fd9b46d0fef2c4a344418dbd0589d2c65b0d45dc747da9f81944f362d203a78aa4270248c9a80282f8c90c9b2be0733b52cd80ab3dbb6869e760e115759b652
SSDEEP

6144:+mH5QhH2pP+YC4KqpmrxUHnYXK1h3Bt9qUnHmwZbh3XpFgO2/31PHC/kWBvq9l1:+mHaHOP+Y/KqpmNUHnhh7ZbZ6/31PHtN

Score

10^/10

vidar 1375 spyware stealer

Malware Config

Extracted

Family

vidar

Version

56.1

Botnet

1375

https://t.me/dishasta

https://steamcommunity.com/profiles/76561199441933804

Attributes

profile_id
1375

Signatures

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

Processes:

vbc.exe

pid process

4812 vbc.exe
4812 vbc.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
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

pid	process
4812	vbc.exe
4812	vbc.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

33e42124fdaefc1ac55558e0a4d2e6f25e2923c3616d88cb9bfdb8dec4d9a5f3.exe

description	pid	process	target process
PID 2552 set thread context of 4812	2552	33e42124fdaefc1ac55558e0a4d2e6f25e2923c3616d88cb9bfdb8dec4d9a5f3.exe	vbc.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	process	target process
1396	2552	WerFault.exe	33e42124fdaefc1ac55558e0a4d2e6f25e2923c3616d88cb9bfdb8dec4d9a5f3.exe
1916	4812	WerFault.exe	vbc.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:

vbc.exe

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

vbc.exe

pid process

4812 vbc.exe
4812 vbc.exe

pid	process
4812	vbc.exe
4812	vbc.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

33e42124fdaefc1ac55558e0a4d2e6f25e2923c3616d88cb9bfdb8dec4d9a5f3.exe

description	pid	process	target process
PID 2552 wrote to memory of 4812	2552	33e42124fdaefc1ac55558e0a4d2e6f25e2923c3616d88cb9bfdb8dec4d9a5f3.exe	vbc.exe
PID 2552 wrote to memory of 4812	2552	33e42124fdaefc1ac55558e0a4d2e6f25e2923c3616d88cb9bfdb8dec4d9a5f3.exe	vbc.exe
PID 2552 wrote to memory of 4812	2552	33e42124fdaefc1ac55558e0a4d2e6f25e2923c3616d88cb9bfdb8dec4d9a5f3.exe	vbc.exe
PID 2552 wrote to memory of 4812	2552	33e42124fdaefc1ac55558e0a4d2e6f25e2923c3616d88cb9bfdb8dec4d9a5f3.exe	vbc.exe
PID 2552 wrote to memory of 4812	2552	33e42124fdaefc1ac55558e0a4d2e6f25e2923c3616d88cb9bfdb8dec4d9a5f3.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\33e42124fdaefc1ac55558e0a4d2e6f25e2923c3616d88cb9bfdb8dec4d9a5f3.exe
"C:\Users\Admin\AppData\Local\Temp\33e42124fdaefc1ac55558e0a4d2e6f25e2923c3616d88cb9bfdb8dec4d9a5f3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2552

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 1512
3⤵
- Program crash
PID:1916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 312
2⤵
- Program crash
PID:1396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2552 -ip 2552
1⤵
PID:3220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4812 -ip 4812
1⤵
PID:1344

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

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/4812-132-0x0000000000000000-mapping.dmp

Download
memory/4812-133-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4812-139-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4812-140-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download