vidar | fd1a09c372f39636d4d547a96121d7da03bea79dabb95717a8636b0d7aed8194

General

Target

b1fb177e49034e7e8a74d4abf6384bcc.exe
Size

650KB
MD5

b1fb177e49034e7e8a74d4abf6384bcc
SHA1

a69eebde817629278554b07ac52646fbdc518740
SHA256

fd1a09c372f39636d4d547a96121d7da03bea79dabb95717a8636b0d7aed8194
SHA512

7f334266cb5208684fdaa861d75f33505c14ff427b89a63cebe7bb4b0026bbdb7ce064b7d5129dfeaa1c9b8843f7a3d1836561afa5e0b8714ccddb8c47f4473b
SSDEEP

6144:XMVPUy1UJ/h4HLvP0BKzOwTq9yytYpK+zWmx1SlW9EE:XeUh6DiKzVq7izxHSuEE

Score

10^/10

vidar 1855 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

55.8

Botnet

1855

C2

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes

profile_id
1855

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
1752	build.exe

Loads dropped DLL 4 IoCs

pid	Process
1008	b1fb177e49034e7e8a74d4abf6384bcc.exe
1008	b1fb177e49034e7e8a74d4abf6384bcc.exe
1752	build.exe
1752	build.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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 installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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	build.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1540	timeout.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	build.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	build.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	build.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1752	build.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1008	b1fb177e49034e7e8a74d4abf6384bcc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 1752	1008	b1fb177e49034e7e8a74d4abf6384bcc.exe	29
PID 1008 wrote to memory of 1752	1008	b1fb177e49034e7e8a74d4abf6384bcc.exe	29
PID 1008 wrote to memory of 1752	1008	b1fb177e49034e7e8a74d4abf6384bcc.exe	29
PID 1008 wrote to memory of 1752	1008	b1fb177e49034e7e8a74d4abf6384bcc.exe	29
PID 1752 wrote to memory of 1328	1752	build.exe	32
PID 1752 wrote to memory of 1328	1752	build.exe	32
PID 1752 wrote to memory of 1328	1752	build.exe	32
PID 1752 wrote to memory of 1328	1752	build.exe	32
PID 1328 wrote to memory of 1540	1328	cmd.exe	34
PID 1328 wrote to memory of 1540	1328	cmd.exe	34
PID 1328 wrote to memory of 1540	1328	cmd.exe	34
PID 1328 wrote to memory of 1540	1328	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\b1fb177e49034e7e8a74d4abf6384bcc.exe
"C:\Users\Admin\AppData\Local\Temp\b1fb177e49034e7e8a74d4abf6384bcc.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1008
- C:\Windows\Temp\build.exe
  "C:\Windows\Temp\build.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1752
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Windows\Temp\build.exe" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1328
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:1540

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Temp\build.exe

Filesize
292KB

MD5
04970887e6dceb98760088b64f41bf42

SHA1
b56d5ab7fd3cb4b89f5ac5852c7c50820256ce1e

SHA256
8615b806ea84a135fd61b9b69f1aef0dd4761b4698cd3e7d3a2f518f991fd208

SHA512
46bcc1a8fee03e6b022173ab88e49ca39db23404a7c2aa3f45cd70297f5c46baa6c947842085a8d9816c7bea0b6e1a4414b17a6d6902a5737d2ab20bf3ef1aaa

Download Submit
C:\Windows\Temp\build.exe

Filesize
292KB

MD5
04970887e6dceb98760088b64f41bf42

SHA1
b56d5ab7fd3cb4b89f5ac5852c7c50820256ce1e

SHA256
8615b806ea84a135fd61b9b69f1aef0dd4761b4698cd3e7d3a2f518f991fd208

SHA512
46bcc1a8fee03e6b022173ab88e49ca39db23404a7c2aa3f45cd70297f5c46baa6c947842085a8d9816c7bea0b6e1a4414b17a6d6902a5737d2ab20bf3ef1aaa

Download Submit
\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
\Windows\Temp\build.exe

Filesize
292KB

MD5
04970887e6dceb98760088b64f41bf42

SHA1
b56d5ab7fd3cb4b89f5ac5852c7c50820256ce1e

SHA256
8615b806ea84a135fd61b9b69f1aef0dd4761b4698cd3e7d3a2f518f991fd208

SHA512
46bcc1a8fee03e6b022173ab88e49ca39db23404a7c2aa3f45cd70297f5c46baa6c947842085a8d9816c7bea0b6e1a4414b17a6d6902a5737d2ab20bf3ef1aaa

Download Submit
\Windows\Temp\build.exe

Filesize
292KB

MD5
04970887e6dceb98760088b64f41bf42

SHA1
b56d5ab7fd3cb4b89f5ac5852c7c50820256ce1e

SHA256
8615b806ea84a135fd61b9b69f1aef0dd4761b4698cd3e7d3a2f518f991fd208

SHA512
46bcc1a8fee03e6b022173ab88e49ca39db23404a7c2aa3f45cd70297f5c46baa6c947842085a8d9816c7bea0b6e1a4414b17a6d6902a5737d2ab20bf3ef1aaa

Download Submit
memory/1008-54-0x00000000012D0000-0x0000000001378000-memory.dmp

Filesize
672KB

Download
memory/1008-56-0x0000000000F60000-0x0000000000FB0000-memory.dmp

Filesize
320KB

Download
memory/1008-55-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

Download
memory/1752-62-0x0000000061DE0000-0x0000000061ED3000-memory.dmp

Filesize
972KB

Download

Analysis

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