vidar | 71e90c9c40a3a18c3220d7cc3cd62735ef19a47e4f06563e3dc593745ffdb707

General

Target

file.exe
Size

348KB
MD5

a480984f6dea05271c7af26bdecbdb73
SHA1

ad0471ebc24fbe40acc8339384ed137e9acd7d49
SHA256

71e90c9c40a3a18c3220d7cc3cd62735ef19a47e4f06563e3dc593745ffdb707
SHA512

5267814fd35d27aa3d8504f5f6716bcb024ed6f2646f71dd893a7278142d9f1a082c53e3cbc173ac0301a10967779111b7ff0884ed2acab0fa37ee1d23728a63
SSDEEP

6144:hZuHxL6T9Lj1DN858YrE/r4wCRsxFSf4WI6aT:hZuHx2pLxB855rEMhwFwIdT

Score

10^/10

vidar 937 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

55.3

Botnet

937

C2

https://t.me/slivetalks

https://c.im/@xinibin420

Attributes

profile_id
937

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1836 cmd.exe
Loads dropped DLL 3 IoCs

Processes:

file.exe

pid process

576 file.exe
576 file.exe
576 file.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

pid	process
1836	cmd.exe

pid	process
576	file.exe
576	file.exe
576	file.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

Processes:

file.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	file.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

456 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

file.exe

pid process

576 file.exe

pid	process
456	timeout.exe

pid	process
576	file.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

file.execmd.exe

description	pid	process	target process
PID 576 wrote to memory of 1836	576	file.exe	cmd.exe
PID 576 wrote to memory of 1836	576	file.exe	cmd.exe
PID 576 wrote to memory of 1836	576	file.exe	cmd.exe
PID 576 wrote to memory of 1836	576	file.exe	cmd.exe
PID 1836 wrote to memory of 456	1836	cmd.exe	timeout.exe
PID 1836 wrote to memory of 456	1836	cmd.exe	timeout.exe
PID 1836 wrote to memory of 456	1836	cmd.exe	timeout.exe
PID 1836 wrote to memory of 456	1836	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:576

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\file.exe" & exit
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1836

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
3⤵
- Delays execution with timeout.exe
PID:456

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

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Downloads

\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
\ProgramData\sqlite3.dll
Filesize
1.1MB

MD5
1f44d4d3087c2b202cf9c90ee9d04b0f

SHA1
106a3ebc9e39ab6ddb3ff987efb6527c956f192d

SHA256
4841020c8bd06b08fde6e44cbe2e2ab33439e1c8368e936ec5b00dc0584f7260

SHA512
b614c72a3c1ce681ebffa628e29aa50275cc80ca9267380960c5198ea4d0a3f2df6cfb7275491d220bad72f14fc94e6656501e9a061d102fb11e00cfda2beb45

Download Submit
memory/456-63-0x0000000000000000-mapping.dmp

Download
memory/576-54-0x00000000030CA000-0x00000000030F5000-memory.dmp

Filesize
172KB

Download
memory/576-55-0x0000000000220000-0x0000000000269000-memory.dmp

Filesize
292KB

Download
memory/576-56-0x0000000075911000-0x0000000075913000-memory.dmp

Filesize
8KB

Download
memory/576-57-0x0000000000400000-0x0000000002C44000-memory.dmp

Filesize
40.3MB

Download
memory/576-62-0x00000000030CA000-0x00000000030F5000-memory.dmp

Filesize
172KB

Download
memory/576-64-0x0000000000400000-0x0000000002C44000-memory.dmp

Filesize
40.3MB

Download
memory/1836-61-0x0000000000000000-mapping.dmp

Download

Analysis

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