vidar | f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8

General

Target

f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe
Size

594KB
MD5

ec7ada80d5d59dc9573a1e88fceda380
SHA1

bc16fe10386779dad3fa68d8778d3b770ef0b551
SHA256

f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8
SHA512

36c6166405ea873fa51a68f4422494c402d71bd0aba89ea0dc473d73ec8a97c0803512f8aef4135fc106038580451210d869ef85d3189688edf2f45ac93ea777
SSDEEP

12288:2CTksllSkJd8xYV0SDYYyYnIVdXgM9zGk9wx4GsTrQIJ4ZOiqcKS:nlbJ0/S0YMpzOaUXZy

Score

10^/10

vidar 0b3bd69430b7d827b107ba2ed809207d credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

0b3bd69430b7d827b107ba2ed809207d

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/2464-2-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2464-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2464-13-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2464-22-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2464-30-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2464-31-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2464-32-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2464-48-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2464-49-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2464-50-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2464-72-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2464-73-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2464-80-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2464-81-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Vidar family
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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe

Loads dropped DLL 2 IoCs

pid	Process
2464	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe
2464	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.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 4300 set thread context of 2464	4300	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe	88

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
2860	4300	WerFault.exe	84

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	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.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	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2604	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2464	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe
2464	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe
2464	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe
2464	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe
2464	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe
2464	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe
2464	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe
2464	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 3608	4300	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe	87
PID 4300 wrote to memory of 3608	4300	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe	87
PID 4300 wrote to memory of 3608	4300	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe	87
PID 4300 wrote to memory of 2464	4300	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe	88
PID 4300 wrote to memory of 2464	4300	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe	88
PID 4300 wrote to memory of 2464	4300	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe	88
PID 4300 wrote to memory of 2464	4300	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe	88
PID 4300 wrote to memory of 2464	4300	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe	88
PID 4300 wrote to memory of 2464	4300	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe	88
PID 4300 wrote to memory of 2464	4300	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe	88
PID 4300 wrote to memory of 2464	4300	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe	88
PID 4300 wrote to memory of 2464	4300	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe	88
PID 4300 wrote to memory of 2464	4300	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe	88
PID 2464 wrote to memory of 2704	2464	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe	107
PID 2464 wrote to memory of 2704	2464	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe	107
PID 2464 wrote to memory of 2704	2464	f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe	107
PID 2704 wrote to memory of 2604	2704	cmd.exe	109
PID 2704 wrote to memory of 2604	2704	cmd.exe	109
PID 2704 wrote to memory of 2604	2704	cmd.exe	109

C:\Users\Admin\AppData\Local\Temp\f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe
"C:\Users\Admin\AppData\Local\Temp\f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4300
- C:\Users\Admin\AppData\Local\Temp\f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe
  "C:\Users\Admin\AppData\Local\Temp\f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe"
  2⤵
  PID:3608
- C:\Users\Admin\AppData\Local\Temp\f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.exe
  "C:\Users\Admin\AppData\Local\Temp\f6cf1cab4deb2e0c7f51aa2a632d88992f1e348be5b83b98684283daf0a3d7e8N.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:2464
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\ECFCBKJDBFIJ" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2704
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2604
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 264
  2⤵
  - Program crash
  PID:2860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4300 -ip 4300
1⤵
PID:1576

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

Replay Monitor

Loading Replay Monitor...

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/2464-31-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2464-49-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2464-13-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2464-14-0x00000000201B0000-0x000000002040F000-memory.dmp

Filesize
2.4MB

Download
memory/2464-22-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2464-30-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2464-81-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2464-32-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2464-48-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2464-4-0x0000000000AA0000-0x0000000000B38000-memory.dmp

Filesize
608KB

Download
memory/2464-50-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2464-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2464-2-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2464-72-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2464-73-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2464-80-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4300-0-0x0000000000B2B000-0x0000000000B2D000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads