vidar | 04f647cd46de4e527c3a531aa326dd01ae2e293f25e9abe11672fbf2b6ee9707

General

Target

Setup.exe
Size

381.5MB
MD5

c303b9c3cced1c56be6955fbbd83d526
SHA1

4c0e838417c7ee3c3dcb8888c0615836bc2d27cc
SHA256

dee25a1e59bc24fe042a88108d400e68743597a4f37d73dad17f969667c2c72e
SHA512

2716c8cca49831de39d84fc64f9fa4dbfbc566f1e1ddcf6ecd72fa54538786be6c9bc42d55e934eeae582b53e0edd871f3f1f98ee17a5553bf0b4130dc43610d
SSDEEP

98304:SQ3YMB6BzSV9t7FGw2trlRrlzcFwWesAmQYo+xd74zvKLBpMd3VQ8KUs:SQ37LLGvXZBiAsDFpUFQDUs

Score

10^/10

vidar 1281 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

54.7

Botnet

1281

C2

https://t.me/dsjdsnxshjx

Attributes

profile_id
1281

Signatures

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

Processes:

cmd.exe

pid process

688 cmd.exe
Loads dropped DLL 2 IoCs

Processes:

Setup.exe

pid process

288 Setup.exe
288 Setup.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
688	cmd.exe

pid	process
288	Setup.exe
288	Setup.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:

Setup.exe

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

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1924 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

560 taskkill.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Setup.exe

pid process

288 Setup.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 560 taskkill.exe

pid	process
1924	timeout.exe

pid	process
560	taskkill.exe

pid	process
288	Setup.exe

description	pid	process
Token: SeDebugPrivilege	560	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Setup.execmd.exe

description	pid	process	target process
PID 288 wrote to memory of 688	288	Setup.exe	cmd.exe
PID 288 wrote to memory of 688	288	Setup.exe	cmd.exe
PID 288 wrote to memory of 688	288	Setup.exe	cmd.exe
PID 288 wrote to memory of 688	288	Setup.exe	cmd.exe
PID 688 wrote to memory of 560	688	cmd.exe	taskkill.exe
PID 688 wrote to memory of 560	688	cmd.exe	taskkill.exe
PID 688 wrote to memory of 560	688	cmd.exe	taskkill.exe
PID 688 wrote to memory of 560	688	cmd.exe	taskkill.exe
PID 688 wrote to memory of 1924	688	cmd.exe	timeout.exe
PID 688 wrote to memory of 1924	688	cmd.exe	timeout.exe
PID 688 wrote to memory of 1924	688	cmd.exe	timeout.exe
PID 688 wrote to memory of 1924	688	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:288

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" '.89.55.176/c taskkill /im Setup.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Setup.exe" & del C:\PrograData\*.dll & exit
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:688

C:\Windows\SysWOW64\taskkill.exe
taskkill /im Setup.exe /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:560

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
3⤵
- Delays execution with timeout.exe
PID:1924

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

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\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/288-54-0x0000000075B11000-0x0000000075B13000-memory.dmp

Filesize
8KB

Download
memory/288-55-0x0000000000B90000-0x00000000012D1000-memory.dmp

Filesize
7.3MB

Download
memory/288-59-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/560-80-0x0000000000000000-mapping.dmp

Download
memory/688-79-0x0000000000000000-mapping.dmp

Download
memory/1924-81-0x0000000000000000-mapping.dmp

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Analysis

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