vidar | 0a0dcf40a73e7f7a00a488367b7b0cadc4ff3ac7818cf22a46cd3e24ff5cf6e3

General

Target

38162872c36186016f483d5a94aa831b.exe
Size

6.1MB
MD5

38162872c36186016f483d5a94aa831b
SHA1

8b5d04df8b44b704deb20aae9ac1733c1b732803
SHA256

0a0dcf40a73e7f7a00a488367b7b0cadc4ff3ac7818cf22a46cd3e24ff5cf6e3
SHA512

a6d822085e10a07cb0c27015e53d313786a9cfba4e0fa960ace7223ce171d3f9e58eb74f38fa17c1bb88113b9852edee96443f2ac37248ecadf2684cf30d89ec
SSDEEP

98304:a1W0ZauUzNfO5bn4xhDE7NlF3Yw8hEYXn0bKVZnjwiO9:aTa5wxn4x9njDe

Score

10^/10

vidar credential_access discovery persistence spyware stealer

Malware Config

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199751190313

https://t.me/pech0nk

Signatures

Detect Vidar Stealer 15 IoCs

stealer

resource	yara_rule
behavioral2/memory/4224-5-0x0000000000400000-0x0000000000B36000-memory.dmp	family_vidar_v7
behavioral2/memory/1948-3-0x0000000000B40000-0x0000000000D83000-memory.dmp	family_vidar_v7
behavioral2/memory/4224-4-0x0000000000400000-0x0000000000B36000-memory.dmp	family_vidar_v7
behavioral2/memory/1948-7-0x0000000000B40000-0x0000000000D83000-memory.dmp	family_vidar_v7
behavioral2/memory/1948-16-0x0000000000B40000-0x0000000000D83000-memory.dmp	family_vidar_v7
behavioral2/memory/1948-17-0x0000000000B40000-0x0000000000D83000-memory.dmp	family_vidar_v7
behavioral2/memory/1948-33-0x0000000000B40000-0x0000000000D83000-memory.dmp	family_vidar_v7
behavioral2/memory/1948-34-0x0000000000B40000-0x0000000000D83000-memory.dmp	family_vidar_v7
behavioral2/memory/1948-50-0x0000000000B40000-0x0000000000D83000-memory.dmp	family_vidar_v7
behavioral2/memory/1948-51-0x0000000000B40000-0x0000000000D83000-memory.dmp	family_vidar_v7
behavioral2/memory/1948-73-0x0000000000B40000-0x0000000000D83000-memory.dmp	family_vidar_v7
behavioral2/memory/1948-74-0x0000000000B40000-0x0000000000D83000-memory.dmp	family_vidar_v7
behavioral2/memory/1948-84-0x0000000000B40000-0x0000000000D83000-memory.dmp	family_vidar_v7
behavioral2/memory/1948-85-0x0000000000B40000-0x0000000000D83000-memory.dmp	family_vidar_v7
behavioral2/memory/1948-86-0x0000000000B40000-0x0000000000D83000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Downloads MZ/PE file

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	38162872c36186016f483d5a94aa831b.exe

Loads dropped DLL 2 IoCs

pid	Process
1948	38162872c36186016f483d5a94aa831b.exe
1948	38162872c36186016f483d5a94aa831b.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CarbonBlack = "C:\\Users\\Admin\\Pictures\\Carbon\\CarbonBlackSensor.exe"	38162872c36186016f483d5a94aa831b.exe

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
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	38162872c36186016f483d5a94aa831b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	38162872c36186016f483d5a94aa831b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	38162872c36186016f483d5a94aa831b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	38162872c36186016f483d5a94aa831b.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3156	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1948	38162872c36186016f483d5a94aa831b.exe
1948	38162872c36186016f483d5a94aa831b.exe
1948	38162872c36186016f483d5a94aa831b.exe
1948	38162872c36186016f483d5a94aa831b.exe
1948	38162872c36186016f483d5a94aa831b.exe
1948	38162872c36186016f483d5a94aa831b.exe
1948	38162872c36186016f483d5a94aa831b.exe
1948	38162872c36186016f483d5a94aa831b.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 1948	4224	38162872c36186016f483d5a94aa831b.exe	95
PID 4224 wrote to memory of 1948	4224	38162872c36186016f483d5a94aa831b.exe	95
PID 4224 wrote to memory of 1948	4224	38162872c36186016f483d5a94aa831b.exe	95
PID 4224 wrote to memory of 1948	4224	38162872c36186016f483d5a94aa831b.exe	95
PID 4224 wrote to memory of 1948	4224	38162872c36186016f483d5a94aa831b.exe	95
PID 1948 wrote to memory of 2316	1948	38162872c36186016f483d5a94aa831b.exe	97
PID 1948 wrote to memory of 2316	1948	38162872c36186016f483d5a94aa831b.exe	97
PID 1948 wrote to memory of 2316	1948	38162872c36186016f483d5a94aa831b.exe	97
PID 2316 wrote to memory of 3156	2316	cmd.exe	99
PID 2316 wrote to memory of 3156	2316	cmd.exe	99
PID 2316 wrote to memory of 3156	2316	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\38162872c36186016f483d5a94aa831b.exe
"C:\Users\Admin\AppData\Local\Temp\38162872c36186016f483d5a94aa831b.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4224
- C:\Users\Admin\AppData\Local\Temp\38162872c36186016f483d5a94aa831b.exe
  "C:\Users\Admin\AppData\Local\Temp\38162872c36186016f483d5a94aa831b.exe"
  2⤵
  - Checks computer location settings
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1948
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HJJEGIEHIJKK" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2316
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:3156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

4

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/1948-51-0x0000000000B40000-0x0000000000D83000-memory.dmp

Filesize
2.3MB

Download
memory/1948-73-0x0000000000B40000-0x0000000000D83000-memory.dmp

Filesize
2.3MB

Download
memory/1948-3-0x0000000000B40000-0x0000000000D83000-memory.dmp

Filesize
2.3MB

Download
memory/1948-86-0x0000000000B40000-0x0000000000D83000-memory.dmp

Filesize
2.3MB

Download
memory/1948-7-0x0000000000B40000-0x0000000000D83000-memory.dmp

Filesize
2.3MB

Download
memory/1948-11-0x0000000000400000-0x0000000000B36000-memory.dmp

Filesize
7.2MB

Download
memory/1948-85-0x0000000000B40000-0x0000000000D83000-memory.dmp

Filesize
2.3MB

Download
memory/1948-16-0x0000000000B40000-0x0000000000D83000-memory.dmp

Filesize
2.3MB

Download
memory/1948-17-0x0000000000B40000-0x0000000000D83000-memory.dmp

Filesize
2.3MB

Download
memory/1948-18-0x000000001FF20000-0x000000002017F000-memory.dmp

Filesize
2.4MB

Download
memory/1948-33-0x0000000000B40000-0x0000000000D83000-memory.dmp

Filesize
2.3MB

Download
memory/1948-34-0x0000000000B40000-0x0000000000D83000-memory.dmp

Filesize
2.3MB

Download
memory/1948-50-0x0000000000B40000-0x0000000000D83000-memory.dmp

Filesize
2.3MB

Download
memory/1948-84-0x0000000000B40000-0x0000000000D83000-memory.dmp

Filesize
2.3MB

Download
memory/1948-74-0x0000000000B40000-0x0000000000D83000-memory.dmp

Filesize
2.3MB

Download
memory/4224-0-0x0000000000400000-0x0000000000B36000-memory.dmp

Filesize
7.2MB

Download
memory/4224-5-0x0000000000400000-0x0000000000B36000-memory.dmp

Filesize
7.2MB

Download
memory/4224-2-0x0000000000400000-0x0000000000B36000-memory.dmp

Filesize
7.2MB

Download
memory/4224-1-0x0000000000409000-0x0000000000422000-memory.dmp

Filesize
100KB

Download
memory/4224-15-0x0000000000409000-0x0000000000422000-memory.dmp

Filesize
100KB

Download
memory/4224-4-0x0000000000400000-0x0000000000B36000-memory.dmp

Filesize
7.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads