vidar | f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94

General

Target

f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
Size

1019KB
MD5

b9a838e6a3474a94b02aedb46c4af53f
SHA1

577d3c948a526ea7b12a11cdf366bfbd23629477
SHA256

f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94
SHA512

01232f0c549eedecddce3a773209bc06080b9d20faf5e7aa36359816e7d6c28a57a614a691f6ddf0248392a4be25c20404cfe55a0597bf37dd1889d221aea953
SSDEEP

24576:5W8Ah4bCsXbgeFQp4dk8g7vSQceGBoI6BtKvKY7fw9aQsxg5kTkad:UkbCsXbgeFQp468DeQowr08GWg8

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 4 IoCs

stealer

resource	yara_rule
behavioral2/memory/1992-4-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1992-5-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1992-24-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/1992-25-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

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

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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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 4432 set thread context of 1992	4432	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	87

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
1528	4432	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.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	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1056	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1992	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
1992	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
1992	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
1992	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
1992	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
1992	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4432 wrote to memory of 1992	4432	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	87
PID 4432 wrote to memory of 1992	4432	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	87
PID 4432 wrote to memory of 1992	4432	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	87
PID 4432 wrote to memory of 1992	4432	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	87
PID 4432 wrote to memory of 1992	4432	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	87
PID 4432 wrote to memory of 1992	4432	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	87
PID 4432 wrote to memory of 1992	4432	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	87
PID 4432 wrote to memory of 1992	4432	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	87
PID 4432 wrote to memory of 1992	4432	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	87
PID 4432 wrote to memory of 1992	4432	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	87
PID 1992 wrote to memory of 1224	1992	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	94
PID 1992 wrote to memory of 1224	1992	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	94
PID 1992 wrote to memory of 1224	1992	f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe	94
PID 1224 wrote to memory of 1056	1224	cmd.exe	96
PID 1224 wrote to memory of 1056	1224	cmd.exe	96
PID 1224 wrote to memory of 1056	1224	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
"C:\Users\Admin\AppData\Local\Temp\f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4432
- C:\Users\Admin\AppData\Local\Temp\f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe
  "C:\Users\Admin\AppData\Local\Temp\f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1992
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\f34b63635fcf1e5abe4738ac43b8c842c537c76ca0c4f726e867def5b690aa94.exe" & rd /s /q "C:\ProgramData\KJKFBAFIDAEB" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1224
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:1056
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 236
  2⤵
  - Program crash
  PID:1528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4432 -ip 4432
1⤵
PID:3812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1992-4-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1992-5-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1992-8-0x0000000000F30000-0x0000000001034000-memory.dmp

Filesize
1.0MB

Download
memory/1992-24-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1992-25-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4432-2-0x000000000102A000-0x000000000102B000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads