vidar | c0dc0167c70151a4f5311b40d638628e311d3a0f17320515897c7d96ad755968

General

Target

file.exe
Size

1.5MB
MD5

75ae21ffb444c99cb63f0d9abaa648b2
SHA1

d3666f32224c5244e7d098773af3679f5ab03db4
SHA256

c0dc0167c70151a4f5311b40d638628e311d3a0f17320515897c7d96ad755968
SHA512

8ee59828d0dbdd63747c49a74d99efd024ffc4cab1fd531eac5a9e57cc539799adcee7586617ff2b5e47dcc7224518dfbd8bcfb7dbf7effb48a0d05d0a7b85ec
SSDEEP

24576:yAiKf8LZFNvGPSj4jzmQuiOi07JuutJRh4Emqmmq/mh9mITmkQS:yIOvTQSguXtFQS

Score

10^/10

vidar 724 spyware stealer

Malware Config

Extracted

Family

vidar

Version

1.7

Botnet

724

C2

https://t.me/robloxblackl

https://steamcommunity.com/profiles/76561199458928097

Attributes

profile_id
724

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

Loads dropped DLL 2 IoCs

pid	Process
1528	InstallUtil.exe
1528	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

description	pid	Process	procid_target
PID 1064 set thread context of 1528	1064	file.exe	78

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3144	1528	WerFault.exe	78

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

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

pid	Process
992	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1528	InstallUtil.exe
1528	InstallUtil.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 1528	1064	file.exe	78
PID 1064 wrote to memory of 1528	1064	file.exe	78
PID 1064 wrote to memory of 1528	1064	file.exe	78
PID 1064 wrote to memory of 1528	1064	file.exe	78
PID 1064 wrote to memory of 1528	1064	file.exe	78
PID 1064 wrote to memory of 1528	1064	file.exe	78
PID 1064 wrote to memory of 1528	1064	file.exe	78
PID 1064 wrote to memory of 1528	1064	file.exe	78
PID 1064 wrote to memory of 1528	1064	file.exe	78
PID 1064 wrote to memory of 1528	1064	file.exe	78
PID 1528 wrote to memory of 1660	1528	InstallUtil.exe	86
PID 1528 wrote to memory of 1660	1528	InstallUtil.exe	86
PID 1528 wrote to memory of 1660	1528	InstallUtil.exe	86
PID 1660 wrote to memory of 992	1660	cmd.exe	90
PID 1660 wrote to memory of 992	1660	cmd.exe	90
PID 1660 wrote to memory of 992	1660	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1064
- 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:1528
- - 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:1660
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 1972
    3⤵
    - Program crash
    PID:3144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1528 -ip 1528
1⤵
PID:3068

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

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/1064-133-0x00007FF9F3B20000-0x00007FF9F45E1000-memory.dmp

Filesize
10.8MB

Download
memory/1064-132-0x000001C1540C0000-0x000001C15424E000-memory.dmp

Filesize
1.6MB

Download
memory/1064-136-0x00007FF9F3B20000-0x00007FF9F45E1000-memory.dmp

Filesize
10.8MB

Download
memory/1528-139-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1528-140-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/1528-138-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1528-137-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1528-161-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1528-134-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1528-164-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download

Analysis

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