vidar | 14eb4817ace7c877462991dc1d7397905f1e9d1b0ea7d5df99bc24db713540f4

General

Target

tmp/7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe
Size

629KB
MD5

dd43be420c784d21ce0f2d7e1dafeff3
SHA1

972fb8f69ced78b9b0f929a5735b95772ead8eaf
SHA256

14eb4817ace7c877462991dc1d7397905f1e9d1b0ea7d5df99bc24db713540f4
SHA512

1d61bdec656b9b6d7761a6f1eec181ffddc21bfa209f87cf63d796a275ea05ca7d2fd178d5a23de67edeb52e9e914ac8837c8a1f6d2b98daeec5f400b65e21fd

Score

10^/10

vidar 903 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

49.1

Botnet

903

C2

https://noc.social/@sergeev46

https://c.im/@sergeev47

Attributes

profile_id
903

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

Vidar Stealer 2 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/2568-116-0x0000000000DB0000-0x0000000000E89000-memory.dmp	family_vidar
behavioral2/memory/2568-117-0x0000000000400000-0x000000000088F000-memory.dmp	family_vidar

Downloads MZ/PE file
Loads dropped DLL 2 IoCs

Processes:

7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe

pid process

2568 7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe
2568 7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe
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
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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

Processes:

7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3068 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

588 taskkill.exe

pid	process
3068	timeout.exe

pid	process
588	taskkill.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe

pid	process
2568	7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe
2568	7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe
2568	7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe
2568	7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe
2568	7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe
2568	7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe
2568	7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe
2568	7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 588 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	588	taskkill.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.execmd.exe

description	pid	process	target process
PID 2568 wrote to memory of 1000	2568	7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe	cmd.exe
PID 2568 wrote to memory of 1000	2568	7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe	cmd.exe
PID 2568 wrote to memory of 1000	2568	7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe	cmd.exe
PID 1000 wrote to memory of 588	1000	cmd.exe	taskkill.exe
PID 1000 wrote to memory of 588	1000	cmd.exe	taskkill.exe
PID 1000 wrote to memory of 588	1000	cmd.exe	taskkill.exe
PID 1000 wrote to memory of 3068	1000	cmd.exe	timeout.exe
PID 1000 wrote to memory of 3068	1000	cmd.exe	timeout.exe
PID 1000 wrote to memory of 3068	1000	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\tmp\7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe
"C:\Users\Admin\AppData\Local\Temp\tmp\7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2568

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im 7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\tmp\7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe" & del C:\ProgramData\*.dll & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1000

C:\Windows\SysWOW64\taskkill.exe
taskkill /im 7298b35c-530c-41e7-ad7a-9be27a78b463_VPN.exe /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:588

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
3⤵
- Delays execution with timeout.exe
PID:3068

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
memory/588-121-0x0000000000000000-mapping.dmp

Download
memory/1000-120-0x0000000000000000-mapping.dmp

Download
memory/2568-116-0x0000000000DB0000-0x0000000000E89000-memory.dmp

Filesize
868KB

Download
memory/2568-115-0x0000000000950000-0x0000000000A9A000-memory.dmp

Filesize
1.3MB

Download
memory/2568-117-0x0000000000400000-0x000000000088F000-memory.dmp

Filesize
4.6MB

Download
memory/3068-122-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads