vidar | 6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d

Analysis

max time kernel
123s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11-09-2024 07:20

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General

Target

file.exe
Size

283KB
MD5

d264213f54193475ffd0301f7d92639f
SHA1

8e494a7d4b3d54e03a3b27c8dfde51295bb56737
SHA256

6b11a91599104b307955a4cde5942d89ed2aa29e833fa229e21368a73139186d
SHA512

1a699be3bb71083c35d5c0bbbcb862fdacb71f67fc8c4e34cfa68c52e7ed1b4360c1975ba290d14d95dee8233558e6dfc1b10e628d5da97a2faffced2bb14f92
SSDEEP

6144:wsBdXzlQZTJm2CMA8E0pNdx651jzTqR0noaLKRUEO:wsBtzloTJm2CMA8qLPm0noaGRUEO

Score

10^/10

vidar credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

http://147.45.126.10:80

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Signatures

Detect Vidar Stealer 19 IoCs

stealer

resource	yara_rule
behavioral2/memory/4464-3-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/4464-7-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/4464-9-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/4464-23-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/4464-24-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/4464-40-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/4464-56-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/4464-57-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/4464-64-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/4464-82-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/4464-85-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/4464-90-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/4464-91-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/2420-114-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/2420-117-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/2420-122-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/2420-144-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/2420-145-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/2420-146-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Executes dropped EXE 1 IoCs

pid	Process
3732	CAAEBFHJJD.exe

Loads dropped DLL 2 IoCs

pid	Process
4464	RegAsm.exe
4464	RegAsm.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 2 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
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 2 IoCs

description	pid	Process	procid_target
PID 1612 set thread context of 4464	1612	file.exe	90
PID 3732 set thread context of 2420	3732	CAAEBFHJJD.exe	104

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

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
712	timeout.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	RegAsm.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4464	RegAsm.exe
4464	RegAsm.exe
4464	RegAsm.exe
4464	RegAsm.exe
4464	RegAsm.exe
4464	RegAsm.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 2792	1612	file.exe	89
PID 1612 wrote to memory of 2792	1612	file.exe	89
PID 1612 wrote to memory of 2792	1612	file.exe	89
PID 1612 wrote to memory of 4464	1612	file.exe	90
PID 1612 wrote to memory of 4464	1612	file.exe	90
PID 1612 wrote to memory of 4464	1612	file.exe	90
PID 1612 wrote to memory of 4464	1612	file.exe	90
PID 1612 wrote to memory of 4464	1612	file.exe	90
PID 1612 wrote to memory of 4464	1612	file.exe	90
PID 1612 wrote to memory of 4464	1612	file.exe	90
PID 1612 wrote to memory of 4464	1612	file.exe	90
PID 1612 wrote to memory of 4464	1612	file.exe	90
PID 1612 wrote to memory of 4464	1612	file.exe	90
PID 4464 wrote to memory of 3732	4464	RegAsm.exe	100
PID 4464 wrote to memory of 3732	4464	RegAsm.exe	100
PID 4464 wrote to memory of 3732	4464	RegAsm.exe	100
PID 3732 wrote to memory of 1400	3732	CAAEBFHJJD.exe	103
PID 3732 wrote to memory of 1400	3732	CAAEBFHJJD.exe	103
PID 3732 wrote to memory of 1400	3732	CAAEBFHJJD.exe	103
PID 3732 wrote to memory of 2420	3732	CAAEBFHJJD.exe	104
PID 3732 wrote to memory of 2420	3732	CAAEBFHJJD.exe	104
PID 3732 wrote to memory of 2420	3732	CAAEBFHJJD.exe	104
PID 3732 wrote to memory of 2420	3732	CAAEBFHJJD.exe	104
PID 3732 wrote to memory of 2420	3732	CAAEBFHJJD.exe	104
PID 3732 wrote to memory of 2420	3732	CAAEBFHJJD.exe	104
PID 3732 wrote to memory of 2420	3732	CAAEBFHJJD.exe	104
PID 3732 wrote to memory of 2420	3732	CAAEBFHJJD.exe	104
PID 3732 wrote to memory of 2420	3732	CAAEBFHJJD.exe	104
PID 3732 wrote to memory of 2420	3732	CAAEBFHJJD.exe	104

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2792
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks computer location settings
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4464
- - C:\ProgramData\CAAEBFHJJD.exe
    "C:\ProgramData\CAAEBFHJJD.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3732
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      PID:1400
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:2420
- - C:\ProgramData\KFBGCAKFHC.exe
    "C:\ProgramData\KFBGCAKFHC.exe"
    3⤵
    PID:5116
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      PID:2124
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      PID:2368
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CAEHCFCBKKJD" & exit
    3⤵
    PID:1368
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      Delays execution with timeout.exe
      PID:712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\CAAEBFHJJD.exe

Filesize
283KB

MD5
e1001c8649ac77faeb446d8ff91f50d2

SHA1
c2532c7b108ac61ca439cfd0a7992b26c89dc34b

SHA256
05d5d2f7e1270d38d47870c349d22a7e02c9682ba123b1b5e8ae1aa4e3554087

SHA512
a55bfa7eafca3306e51bd0e1100e46ea407f4451332fcce2772788a25e77d9b968a2ffc934cc05fc9117a1ab8ddade1f15e61cdd35341ee8d977721bb4fb178f

Download Submit
C:\ProgramData\KFBGCAKFHC.exe

Filesize
321KB

MD5
94c5abd0eccd77846b4e0f641906bb19

SHA1
3fb0119c89952f61aee14abbe693a293ee916439

SHA256
863c177542f93d6e42ba2dc7633cec75da9515c39ed13915f63e9361f5cf7a6b

SHA512
4bbfce9f805c755380ff18cecc5a6cfeb9aeadf7140d5c612fca44cff923b57507ab01bd2b2f1389a97c0b3b41737e16732330980a9e3b02898b2c1271c7eae9

Download Submit
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/1612-1-0x0000000000CA0000-0x0000000000CEA000-memory.dmp

Filesize
296KB

Download
memory/1612-5-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/1612-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2368-138-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2368-140-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2368-142-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2420-144-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2420-145-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2420-122-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2420-117-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2420-114-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2420-146-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/3732-143-0x0000000071F10000-0x00000000726C0000-memory.dmp

Filesize
7.7MB

Download
memory/3732-121-0x0000000071F10000-0x00000000726C0000-memory.dmp

Filesize
7.7MB

Download
memory/3732-111-0x0000000071F1E000-0x0000000071F1F000-memory.dmp

Filesize
4KB

Download
memory/3732-112-0x0000000000940000-0x000000000098A000-memory.dmp

Filesize
296KB

Download
memory/4464-25-0x00000000050B0000-0x000000000530F000-memory.dmp

Filesize
2.4MB

Download
memory/4464-24-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4464-90-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4464-85-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4464-82-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4464-64-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4464-57-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4464-3-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4464-56-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4464-40-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4464-91-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4464-23-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4464-9-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4464-7-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/5116-136-0x0000000000E40000-0x0000000000E94000-memory.dmp

Filesize
336KB

Download