vidar | e099e6405a012b8f164433bee4439eda51fe4e6d52eb9085b5b12133058ba578

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-09-2024 09:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9f619f332a9e5bd74a345778e86a871e9efb087bfea43ade7cbf9f63a12151b0.exe
Size

4.7MB
MD5

8e5286e3caa11c78e275892a38f2e772
SHA1

ddada2f646640b394c04e7166db04200d226281b
SHA256

9f619f332a9e5bd74a345778e86a871e9efb087bfea43ade7cbf9f63a12151b0
SHA512

4f180892333915a52f5e2ee7a69d0ba628ed3d6c6425e2ba4b41f0ed5a06898b25bc0a0432dc6372add0c811b16e74d636a6466ba64fd9ccc34a93e900b5f5ce
SSDEEP

98304:2t9Kw5Ea4QR/YUxIUnnxIMSsDPUCfCxg+6hUNLindy:mkw6ER/YUZnxIw8ICxvoQcdy

Score

10^/10

vidar credential_access discovery stealer

Malware Config

Extracted

Family

vidar

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 2 IoCs

stealer

resource	yara_rule
behavioral1/memory/2936-83-0x0000000000400000-0x0000000000640000-memory.dmp	family_vidar_v7
behavioral1/memory/2936-135-0x0000000000400000-0x0000000000640000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2296 set thread context of 2936	2296	9f619f332a9e5bd74a345778e86a871e9efb087bfea43ade7cbf9f63a12151b0.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	9f619f332a9e5bd74a345778e86a871e9efb087bfea43ade7cbf9f63a12151b0.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
2472	timeout.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2936	MSBuild.exe
2936	MSBuild.exe
2936	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2296	9f619f332a9e5bd74a345778e86a871e9efb087bfea43ade7cbf9f63a12151b0.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2936	2296	9f619f332a9e5bd74a345778e86a871e9efb087bfea43ade7cbf9f63a12151b0.exe	30
PID 2296 wrote to memory of 2936	2296	9f619f332a9e5bd74a345778e86a871e9efb087bfea43ade7cbf9f63a12151b0.exe	30
PID 2296 wrote to memory of 2936	2296	9f619f332a9e5bd74a345778e86a871e9efb087bfea43ade7cbf9f63a12151b0.exe	30
PID 2296 wrote to memory of 2936	2296	9f619f332a9e5bd74a345778e86a871e9efb087bfea43ade7cbf9f63a12151b0.exe	30
PID 2296 wrote to memory of 2936	2296	9f619f332a9e5bd74a345778e86a871e9efb087bfea43ade7cbf9f63a12151b0.exe	30
PID 2296 wrote to memory of 2936	2296	9f619f332a9e5bd74a345778e86a871e9efb087bfea43ade7cbf9f63a12151b0.exe	30
PID 2296 wrote to memory of 2936	2296	9f619f332a9e5bd74a345778e86a871e9efb087bfea43ade7cbf9f63a12151b0.exe	30
PID 2296 wrote to memory of 2936	2296	9f619f332a9e5bd74a345778e86a871e9efb087bfea43ade7cbf9f63a12151b0.exe	30
PID 2296 wrote to memory of 2936	2296	9f619f332a9e5bd74a345778e86a871e9efb087bfea43ade7cbf9f63a12151b0.exe	30
PID 2296 wrote to memory of 2936	2296	9f619f332a9e5bd74a345778e86a871e9efb087bfea43ade7cbf9f63a12151b0.exe	30
PID 2296 wrote to memory of 2936	2296	9f619f332a9e5bd74a345778e86a871e9efb087bfea43ade7cbf9f63a12151b0.exe	30
PID 2936 wrote to memory of 2884	2936	MSBuild.exe	34
PID 2936 wrote to memory of 2884	2936	MSBuild.exe	34
PID 2936 wrote to memory of 2884	2936	MSBuild.exe	34
PID 2936 wrote to memory of 2884	2936	MSBuild.exe	34
PID 2884 wrote to memory of 2472	2884	cmd.exe	36
PID 2884 wrote to memory of 2472	2884	cmd.exe	36
PID 2884 wrote to memory of 2472	2884	cmd.exe	36
PID 2884 wrote to memory of 2472	2884	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\9f619f332a9e5bd74a345778e86a871e9efb087bfea43ade7cbf9f63a12151b0.exe
"C:\Users\Admin\AppData\Local\Temp\9f619f332a9e5bd74a345778e86a871e9efb087bfea43ade7cbf9f63a12151b0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2296
- 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:2936
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" & rd /s /q "C:\ProgramData\KFBFCAFCBKFI" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2884
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2472

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\CabEB4B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarEB6D.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2296-37-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-5-0x00000000021A0000-0x00000000021BC000-memory.dmp

Filesize
112KB

Download
memory/2296-4-0x00000000056A0000-0x000000000580C000-memory.dmp

Filesize
1.4MB

Download
memory/2296-35-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-6-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-11-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-15-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-65-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-63-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-61-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-59-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-57-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-55-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-53-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-51-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-34-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-45-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-43-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-41-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-39-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-1-0x00000000002E0000-0x000000000079A000-memory.dmp

Filesize
4.7MB

Download
memory/2296-3-0x0000000005100000-0x00000000052C8000-memory.dmp

Filesize
1.8MB

Download
memory/2296-49-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-31-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-29-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-27-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-25-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-23-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-21-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-19-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-17-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-13-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-9-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-7-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-47-0x00000000021A0000-0x00000000021B5000-memory.dmp

Filesize
84KB

Download
memory/2296-66-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/2296-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/2296-2-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/2296-84-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/2936-83-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/2936-69-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/2936-67-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/2936-135-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download