vidar | 28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918

General

Target

28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe
Size

624KB
MD5

3d8c2fb9d4272ae0a835faa7715132ef
SHA1

b1a01340c98ec2c4654773c1a034897c16fa21c6
SHA256

28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918
SHA512

2a43afb5932c656e413b320f9750e48a37aec873a08998ebe734cc7f36a9fd524bf8bf2c6dd22712b4ed9157d0351557ec9929880e9b9bc50e402f0223a66d15
SSDEEP

12288:G8CFnbfafLdd6BIKSj1Zih0LNCEhM+cqgN/JCWx8icDoIlxUKHTEO:zCRbyDWBGjTikoHw2/dx8iSoIlxUKzt

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 7 IoCs

stealer

resource	yara_rule
behavioral1/memory/2320-11-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2320-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2320-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2320-5-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2320-4-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2320-154-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2320-153-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Deletes itself 1 IoCs

pid	Process
2008	cmd.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 1172 set thread context of 2320	1172	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	32

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
1340	1172	WerFault.exe	30

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	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.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	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2132	timeout.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2320	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe
2320	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe
2320	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1172 wrote to memory of 2320	1172	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	32
PID 1172 wrote to memory of 2320	1172	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	32
PID 1172 wrote to memory of 2320	1172	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	32
PID 1172 wrote to memory of 2320	1172	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	32
PID 1172 wrote to memory of 2320	1172	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	32
PID 1172 wrote to memory of 2320	1172	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	32
PID 1172 wrote to memory of 2320	1172	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	32
PID 1172 wrote to memory of 2320	1172	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	32
PID 1172 wrote to memory of 2320	1172	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	32
PID 1172 wrote to memory of 2320	1172	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	32
PID 1172 wrote to memory of 2320	1172	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	32
PID 1172 wrote to memory of 1340	1172	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	33
PID 1172 wrote to memory of 1340	1172	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	33
PID 1172 wrote to memory of 1340	1172	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	33
PID 1172 wrote to memory of 1340	1172	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	33
PID 2320 wrote to memory of 2008	2320	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	36
PID 2320 wrote to memory of 2008	2320	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	36
PID 2320 wrote to memory of 2008	2320	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	36
PID 2320 wrote to memory of 2008	2320	28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe	36
PID 2008 wrote to memory of 2132	2008	cmd.exe	38
PID 2008 wrote to memory of 2132	2008	cmd.exe	38
PID 2008 wrote to memory of 2132	2008	cmd.exe	38
PID 2008 wrote to memory of 2132	2008	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe
"C:\Users\Admin\AppData\Local\Temp\28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1172
- C:\Users\Admin\AppData\Local\Temp\28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe
  "C:\Users\Admin\AppData\Local\Temp\28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2320
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\28b2ac088b804ab3e059a37134602c92f4f87010b650252f61cad73422827918.exe" & rd /s /q "C:\ProgramData\HCFBKKEBKEBG" & exit
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2008
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2132
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1172 -s 68
  2⤵
  - Program crash
  PID:1340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabE996.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarE9B8.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1172-0-0x0000000000B36000-0x0000000000B38000-memory.dmp

Filesize
8KB

Download
memory/2320-14-0x0000000000AA0000-0x0000000000B3E000-memory.dmp

Filesize
632KB

Download
memory/2320-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2320-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2320-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2320-5-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2320-4-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2320-2-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2320-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2320-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2320-11-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2320-154-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2320-153-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2320-173-0x00000000205B0000-0x000000002080F000-memory.dmp

Filesize
2.4MB

Download

Analysis

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