vidar | c1be767404a3d71717a54b01ebfa91ebff578dad8dd518a1a49012bcf012738e

Resubmissions

27/07/2024, 17:08

240727-vnrrpszapr 10

24/07/2024, 13:55

240724-q8e67aygrr 10

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
24/07/2024, 13:55

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Report Analysis Logs

General

Target

29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b.exe
Size

5.3MB
MD5

f109fd54fa6c14302beff44d666a6ade
SHA1

912ad7378e837b82524c7d41e9792242bc5feacc
SHA256

29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b
SHA512

38fb7b93975931cdedbd360672ac51a75de4a59883419ee46b4e739ebf1f13dfa9703062c4bba2df7cd717a5b089e364f33eb42b9fd2a703aac78da6eeeef69c
SSDEEP

49152:7ccw6QFnEEabMHciiW/LhKq3FWhR3PIa1p0seWJb9sMS0Z0fCnZ0qstZNweCRmeF:7PIKEabM87W/KIatvBaqstZsRmqEQ

Score

10^/10

vidar b607a7a47e1a6ff266af835d50c6eaa5 credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

10.5

Botnet

b607a7a47e1a6ff266af835d50c6eaa5

https://t.me/s41l0

https://steamcommunity.com/profiles/76561199743486170

Attributes

user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 YaBrowser/24.6.0.0 Safari/537.36

Signatures

Detect Vidar Stealer 4 IoCs

stealer

resource	yara_rule
behavioral11/memory/2340-69-0x0000000000400000-0x0000000000640000-memory.dmp	family_vidar_v7
behavioral11/memory/2340-76-0x0000000000400000-0x0000000000640000-memory.dmp	family_vidar_v7
behavioral11/memory/2340-444-0x0000000000400000-0x0000000000640000-memory.dmp	family_vidar_v7
behavioral11/memory/2340-555-0x0000000000400000-0x0000000000640000-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
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2512 set thread context of 2340	2512	29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b.exe	30

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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	29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.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	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2880	timeout.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe
2340	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2512	29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2340	2512	29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b.exe	30
PID 2512 wrote to memory of 2340	2512	29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b.exe	30
PID 2512 wrote to memory of 2340	2512	29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b.exe	30
PID 2512 wrote to memory of 2340	2512	29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b.exe	30
PID 2512 wrote to memory of 2340	2512	29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b.exe	30
PID 2512 wrote to memory of 2340	2512	29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b.exe	30
PID 2512 wrote to memory of 2340	2512	29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b.exe	30
PID 2512 wrote to memory of 2340	2512	29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b.exe	30
PID 2512 wrote to memory of 2340	2512	29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b.exe	30
PID 2512 wrote to memory of 2340	2512	29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b.exe	30
PID 2512 wrote to memory of 2340	2512	29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b.exe	30
PID 2340 wrote to memory of 2532	2340	MSBuild.exe	34
PID 2340 wrote to memory of 2532	2340	MSBuild.exe	34
PID 2340 wrote to memory of 2532	2340	MSBuild.exe	34
PID 2340 wrote to memory of 2532	2340	MSBuild.exe	34
PID 2532 wrote to memory of 2880	2532	cmd.exe	36
PID 2532 wrote to memory of 2880	2532	cmd.exe	36
PID 2532 wrote to memory of 2880	2532	cmd.exe	36
PID 2532 wrote to memory of 2880	2532	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b.exe
"C:\Users\Admin\AppData\Local\Temp\29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CFBAKKJDBKJJ" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2532
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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:\Users\Admin\AppData\Local\Temp\CabA150.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA172.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2340-69-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/2340-555-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/2340-444-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/2340-67-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/2340-66-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/2340-76-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/2340-68-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/2512-46-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-34-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-65-0x00000000746A0000-0x0000000074D8E000-memory.dmp

Filesize
6.9MB

Download
memory/2512-58-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-61-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-62-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-77-0x00000000746A0000-0x0000000074D8E000-memory.dmp

Filesize
6.9MB

Download
memory/2512-64-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-18-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-54-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-52-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-51-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-48-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/2512-44-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-42-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-41-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-38-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-36-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-56-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-32-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-30-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-28-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-24-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-23-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-20-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-16-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-14-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-12-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-10-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-8-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-26-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-6-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-5-0x00000000006D0000-0x00000000006E5000-memory.dmp

Filesize
84KB

Download
memory/2512-4-0x00000000006D0000-0x00000000006EC000-memory.dmp

Filesize
112KB

Download
memory/2512-2-0x00000000746A0000-0x0000000074D8E000-memory.dmp

Filesize
6.9MB

Download
memory/2512-3-0x0000000005760000-0x00000000058EA000-memory.dmp

Filesize
1.5MB

Download
memory/2512-1-0x0000000001040000-0x000000000158C000-memory.dmp

Filesize
5.3MB

Download