vidar | fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674

Analysis

max time kernel
119s
max time network
153s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
22/07/2024, 05:16

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe
Size

5.2MB
MD5

0891d36dd26059e8a74ada84fd9885e5
SHA1

743f9e888626f1313ef387e4fe4d16c86f092ef9
SHA256

fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674
SHA512

874bf077b0878deefae6542d48057aa4291bbb73747da90d24e7b8721c96a83768dd6a9dcc1dd4b00200185a50a4066f3cffd0c09e042863ba0396ac56297782
SSDEEP

98304:zKWiKUEpu5K2BgXs3eR6xH/KtnojpHXrD8Xs91Ae7Vfy2R1:zKWiKU+AGXuocUnojRXrD8Xs9V7ly2j

Score

10^/10

vidar 3a901b2c4dd248059af72250cf07aba7 spyware stealer

Malware Config

Extracted

Family

vidar

Version

10.5

Botnet

3a901b2c4dd248059af72250cf07aba7

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 3 IoCs

stealer

resource	yara_rule
behavioral1/memory/2240-70-0x0000000000400000-0x0000000000640000-memory.dmp	family_vidar_v7
behavioral1/memory/2240-77-0x0000000000400000-0x0000000000640000-memory.dmp	family_vidar_v7
behavioral1/memory/2240-518-0x0000000000400000-0x0000000000640000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file
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 2356 set thread context of 2240	2356	fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe	30

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MSBuild.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2100	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2240	MSBuild.exe
2240	MSBuild.exe
2240	MSBuild.exe
2240	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2356	fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2240	2356	fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe	30
PID 2356 wrote to memory of 2240	2356	fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe	30
PID 2356 wrote to memory of 2240	2356	fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe	30
PID 2356 wrote to memory of 2240	2356	fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe	30
PID 2356 wrote to memory of 2240	2356	fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe	30
PID 2356 wrote to memory of 2240	2356	fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe	30
PID 2356 wrote to memory of 2240	2356	fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe	30
PID 2356 wrote to memory of 2240	2356	fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe	30
PID 2356 wrote to memory of 2240	2356	fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe	30
PID 2356 wrote to memory of 2240	2356	fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe	30
PID 2356 wrote to memory of 2240	2356	fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe	30
PID 2240 wrote to memory of 2204	2240	MSBuild.exe	34
PID 2240 wrote to memory of 2204	2240	MSBuild.exe	34
PID 2240 wrote to memory of 2204	2240	MSBuild.exe	34
PID 2240 wrote to memory of 2204	2240	MSBuild.exe	34
PID 2204 wrote to memory of 2100	2204	cmd.exe	36
PID 2204 wrote to memory of 2100	2204	cmd.exe	36
PID 2204 wrote to memory of 2100	2204	cmd.exe	36
PID 2204 wrote to memory of 2100	2204	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe
"C:\Users\Admin\AppData\Local\Temp\fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EBAKEBAECGCB" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2204
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      Delays execution with timeout.exe
      PID:2100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\CabA5A4.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA5C6.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2240-70-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/2240-518-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/2240-67-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/2240-68-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/2240-69-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/2240-77-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/2356-47-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-37-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-61-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-78-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2356-63-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-65-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-5-0x0000000000280000-0x000000000029C000-memory.dmp

Filesize
112KB

Download
memory/2356-4-0x00000000057D0000-0x00000000058FA000-memory.dmp

Filesize
1.2MB

Download
memory/2356-59-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-57-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-55-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-53-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-51-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-49-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2356-45-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-43-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-41-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-39-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-66-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2356-35-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-33-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-31-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-29-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-27-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-25-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-23-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-21-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-19-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-17-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-15-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-13-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-11-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-9-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-7-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-6-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/2356-2-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2356-3-0x0000000004F40000-0x00000000050C0000-memory.dmp

Filesize
1.5MB

Download
memory/2356-1-0x0000000001040000-0x0000000001574000-memory.dmp

Filesize
5.2MB

Download