vidar | 54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800

General

Target

9e277fb490855a56cbe370d12cd5d5c7.exe
Size

573KB
MD5

9e277fb490855a56cbe370d12cd5d5c7
SHA1

97739caffe91401521465203f984eb2fdfaa5e57
SHA256

54bc5a6ed4cca0770ced899f55b18a9e4d7ba7c6b0136f3291c43a5112ef0800
SHA512

38a6bfe6c806ce6e6afaa870ea801037f59a155268a8c43507518e677bca664438b6732c0b1df504b51977587058194511062c5181275383a9a9800044f30b9d
SSDEEP

12288:HC8KWpG/UOIH1y4UGP/smusuuVFLJ2YiTtYWB0d2DFEA9qo3dY5e74vEO:HnKWp/H1bJ3nLFk9YvgakdY5UGt

Score

10^/10

vidar 191375c1805c0d5109ea6297d63371b2 credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

191375c1805c0d5109ea6297d63371b2

C2

https://steamcommunity.com/profiles/76561199786602107

https://t.me/lpnjoke

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

Detect Vidar Stealer 14 IoCs

stealer

resource	yara_rule
behavioral2/memory/1964-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1964-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1964-13-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1964-14-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1964-23-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1964-24-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1964-32-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1964-33-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1964-49-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1964-50-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1964-72-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1964-73-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1964-80-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1964-81-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	9e277fb490855a56cbe370d12cd5d5c7.exe

Loads dropped DLL 2 IoCs

pid	Process
1964	9e277fb490855a56cbe370d12cd5d5c7.exe
1964	9e277fb490855a56cbe370d12cd5d5c7.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 3 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

Credentials from Web Browsers
T1555.003
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
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 820 set thread context of 1964	820	9e277fb490855a56cbe370d12cd5d5c7.exe	90

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4896	820	WerFault.exe	83

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	9e277fb490855a56cbe370d12cd5d5c7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9e277fb490855a56cbe370d12cd5d5c7.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	9e277fb490855a56cbe370d12cd5d5c7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	9e277fb490855a56cbe370d12cd5d5c7.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3648	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1964	9e277fb490855a56cbe370d12cd5d5c7.exe
1964	9e277fb490855a56cbe370d12cd5d5c7.exe
1964	9e277fb490855a56cbe370d12cd5d5c7.exe
1964	9e277fb490855a56cbe370d12cd5d5c7.exe
1964	9e277fb490855a56cbe370d12cd5d5c7.exe
1964	9e277fb490855a56cbe370d12cd5d5c7.exe
1964	9e277fb490855a56cbe370d12cd5d5c7.exe
1964	9e277fb490855a56cbe370d12cd5d5c7.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 820 wrote to memory of 2040	820	9e277fb490855a56cbe370d12cd5d5c7.exe	89
PID 820 wrote to memory of 2040	820	9e277fb490855a56cbe370d12cd5d5c7.exe	89
PID 820 wrote to memory of 2040	820	9e277fb490855a56cbe370d12cd5d5c7.exe	89
PID 820 wrote to memory of 1964	820	9e277fb490855a56cbe370d12cd5d5c7.exe	90
PID 820 wrote to memory of 1964	820	9e277fb490855a56cbe370d12cd5d5c7.exe	90
PID 820 wrote to memory of 1964	820	9e277fb490855a56cbe370d12cd5d5c7.exe	90
PID 820 wrote to memory of 1964	820	9e277fb490855a56cbe370d12cd5d5c7.exe	90
PID 820 wrote to memory of 1964	820	9e277fb490855a56cbe370d12cd5d5c7.exe	90
PID 820 wrote to memory of 1964	820	9e277fb490855a56cbe370d12cd5d5c7.exe	90
PID 820 wrote to memory of 1964	820	9e277fb490855a56cbe370d12cd5d5c7.exe	90
PID 820 wrote to memory of 1964	820	9e277fb490855a56cbe370d12cd5d5c7.exe	90
PID 820 wrote to memory of 1964	820	9e277fb490855a56cbe370d12cd5d5c7.exe	90
PID 820 wrote to memory of 1964	820	9e277fb490855a56cbe370d12cd5d5c7.exe	90
PID 1964 wrote to memory of 2796	1964	9e277fb490855a56cbe370d12cd5d5c7.exe	103
PID 1964 wrote to memory of 2796	1964	9e277fb490855a56cbe370d12cd5d5c7.exe	103
PID 1964 wrote to memory of 2796	1964	9e277fb490855a56cbe370d12cd5d5c7.exe	103
PID 2796 wrote to memory of 3648	2796	cmd.exe	105
PID 2796 wrote to memory of 3648	2796	cmd.exe	105
PID 2796 wrote to memory of 3648	2796	cmd.exe	105

C:\Users\Admin\AppData\Local\Temp\9e277fb490855a56cbe370d12cd5d5c7.exe
"C:\Users\Admin\AppData\Local\Temp\9e277fb490855a56cbe370d12cd5d5c7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:820
- C:\Users\Admin\AppData\Local\Temp\9e277fb490855a56cbe370d12cd5d5c7.exe
  "C:\Users\Admin\AppData\Local\Temp\9e277fb490855a56cbe370d12cd5d5c7.exe"
  2⤵
  PID:2040
- C:\Users\Admin\AppData\Local\Temp\9e277fb490855a56cbe370d12cd5d5c7.exe
  "C:\Users\Admin\AppData\Local\Temp\9e277fb490855a56cbe370d12cd5d5c7.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:1964
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IJKJJKFHIJKK" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2796
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:3648
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 820 -s 296
  2⤵
  - Program crash
  PID:4896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 820 -ip 820
1⤵
PID:1228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/820-0-0x000000000079B000-0x000000000079C000-memory.dmp

Filesize
4KB

Download
memory/1964-24-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1964-33-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1964-14-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1964-16-0x0000000020300000-0x000000002055F000-memory.dmp

Filesize
2.4MB

Download
memory/1964-23-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1964-4-0x0000000000710000-0x00000000007A1000-memory.dmp

Filesize
580KB

Download
memory/1964-32-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1964-13-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1964-49-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1964-50-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1964-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1964-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1964-72-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1964-73-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1964-80-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1964-81-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads