vidar | bdc9ebeb9ac3437cb09212fde8dd1265509e8853504cce193ad76c5e0eec8355

General

Target

Setup.exe
Size

523KB
MD5

66ed856fae399e1475951a2d91940717
SHA1

0ed20d512b8a26ad53f3b57dafc3859de8d1a7a4
SHA256

947e5326b92d9c68727fa10b081d199889697d2ac7d852d27f134e4f18e03b62
SHA512

0fd41212bf721480250bd8f1579d6b4ea5b751419494409652e0539c84b79f8bf8b3814ede53b433f117b8dfae1e3113fa1fb4bc590ce4b098ae806b67c54057
SSDEEP

12288:ZHNAwBVkaJxAMi8AUCeVZvAZj1dLsQT3HwBwJ33GEO:YwBNkbu0THdWt

Score

10^/10

vidar 232d53d4db77c042cac47f5cf65508ea credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

232d53d4db77c042cac47f5cf65508ea

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
behavioral1/memory/4860-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/4860-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/4860-13-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/4860-22-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/4860-30-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/4860-31-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/4860-32-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/4860-48-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/4860-49-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/4860-50-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/4860-74-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/4860-75-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/4860-82-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/4860-83-0x0000000000400000-0x0000000000676000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	Setup.exe

Loads dropped DLL 2 IoCs

pid	Process
4860	Setup.exe
4860	Setup.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 3600 set thread context of 4860	3600	Setup.exe	89

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
2452	3600	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	Setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Setup.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	Setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Setup.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3228	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4860	Setup.exe
4860	Setup.exe
4860	Setup.exe
4860	Setup.exe
4860	Setup.exe
4860	Setup.exe
4860	Setup.exe
4860	Setup.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3600 wrote to memory of 1032	3600	Setup.exe	88
PID 3600 wrote to memory of 1032	3600	Setup.exe	88
PID 3600 wrote to memory of 1032	3600	Setup.exe	88
PID 3600 wrote to memory of 4860	3600	Setup.exe	89
PID 3600 wrote to memory of 4860	3600	Setup.exe	89
PID 3600 wrote to memory of 4860	3600	Setup.exe	89
PID 3600 wrote to memory of 4860	3600	Setup.exe	89
PID 3600 wrote to memory of 4860	3600	Setup.exe	89
PID 3600 wrote to memory of 4860	3600	Setup.exe	89
PID 3600 wrote to memory of 4860	3600	Setup.exe	89
PID 3600 wrote to memory of 4860	3600	Setup.exe	89
PID 3600 wrote to memory of 4860	3600	Setup.exe	89
PID 3600 wrote to memory of 4860	3600	Setup.exe	89
PID 4860 wrote to memory of 3396	4860	Setup.exe	108
PID 4860 wrote to memory of 3396	4860	Setup.exe	108
PID 4860 wrote to memory of 3396	4860	Setup.exe	108
PID 3396 wrote to memory of 3228	3396	cmd.exe	110
PID 3396 wrote to memory of 3228	3396	cmd.exe	110
PID 3396 wrote to memory of 3228	3396	cmd.exe	110

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3600
- C:\Users\Admin\AppData\Local\Temp\Setup.exe
  "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
  2⤵
  PID:1032
- C:\Users\Admin\AppData\Local\Temp\Setup.exe
  "C:\Users\Admin\AppData\Local\Temp\Setup.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:4860
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Setup.exe" & rd /s /q "C:\ProgramData\CBKJKJDBFIID" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3396
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:3228
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3600 -s 636
  2⤵
  - Program crash
  PID:2452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3600 -ip 3600
1⤵
PID:3088

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/3600-0-0x00000000007CB000-0x00000000007CC000-memory.dmp

Filesize
4KB

Download
memory/4860-31-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4860-48-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4860-14-0x0000000020250000-0x00000000204AF000-memory.dmp

Filesize
2.4MB

Download
memory/4860-22-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4860-30-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4860-6-0x0000000000750000-0x00000000007D6000-memory.dmp

Filesize
536KB

Download
memory/4860-32-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4860-13-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4860-49-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4860-50-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4860-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4860-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4860-74-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4860-75-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4860-82-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4860-83-0x0000000000400000-0x0000000000676000-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