vidar | 279c60038d0b7b97c130d2913e501eca3c8ec4b78ed799059a8e3ba3a18d1dc7

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 03:03

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General

Target

586126f4151fea05665e55f7f0e6a74f.exe
Size

671KB
MD5

586126f4151fea05665e55f7f0e6a74f
SHA1

8f4917dcb9a9f7529da225a5bc70a817572cc461
SHA256

279c60038d0b7b97c130d2913e501eca3c8ec4b78ed799059a8e3ba3a18d1dc7
SHA512

e4dfae3428b37c7fe102ff57b91906a1f44eb31ec77878d88cd6bb77da0e1b79201b919f137112a88182bf6383e130d27307547bff86cc4b0d1f8a51c9eced3c
SSDEEP

12288:Uzilc1OGRFsQixZp7AsZhaKZyn0+PTi96i97LzY9PoPoHe3Dmdpg:UI0vBi17vZdyn0gOs47wUo8Dmdp

Score

10^/10

vidar 706 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

40.5

Botnet

706

https://gheorghip.tumblr.com/

Attributes

profile_id
706

Signatures

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

Vidar Stealer 5 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/4704-2-0x0000000004910000-0x00000000049E1000-memory.dmp	family_vidar
behavioral2/memory/4704-3-0x0000000000400000-0x0000000002BB2000-memory.dmp	family_vidar
behavioral2/memory/4704-18-0x0000000000400000-0x0000000002BB2000-memory.dmp	family_vidar
behavioral2/memory/4704-70-0x0000000000400000-0x0000000002BB2000-memory.dmp	family_vidar
behavioral2/memory/4704-72-0x0000000004910000-0x00000000049E1000-memory.dmp	family_vidar

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
T1552.001
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4108 4704 WerFault.exe 586126f4151fea05665e55f7f0e6a74f.exe
1392 4704 WerFault.exe 586126f4151fea05665e55f7f0e6a74f.exe

pid	pid_target	process	target process
4108	4704	WerFault.exe	586126f4151fea05665e55f7f0e6a74f.exe
1392	4704	WerFault.exe	586126f4151fea05665e55f7f0e6a74f.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:

586126f4151fea05665e55f7f0e6a74f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	586126f4151fea05665e55f7f0e6a74f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	586126f4151fea05665e55f7f0e6a74f.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

586126f4151fea05665e55f7f0e6a74f.exe

pid	process
4704	586126f4151fea05665e55f7f0e6a74f.exe
4704	586126f4151fea05665e55f7f0e6a74f.exe
4704	586126f4151fea05665e55f7f0e6a74f.exe
4704	586126f4151fea05665e55f7f0e6a74f.exe
4704	586126f4151fea05665e55f7f0e6a74f.exe
4704	586126f4151fea05665e55f7f0e6a74f.exe
4704	586126f4151fea05665e55f7f0e6a74f.exe
4704	586126f4151fea05665e55f7f0e6a74f.exe

C:\Users\Admin\AppData\Local\Temp\586126f4151fea05665e55f7f0e6a74f.exe
"C:\Users\Admin\AppData\Local\Temp\586126f4151fea05665e55f7f0e6a74f.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4704 -s 1820
2⤵
- Program crash
PID:4108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4704 -s 1772
2⤵
- Program crash
PID:1392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4704 -ip 4704
1⤵
PID:1540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4704 -ip 4704
1⤵
PID:2248

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\ProgramData\softokn3.dll
Filesize
119KB

MD5
ee7e5e4f8d0fa7c55baa75c6986cf75c

SHA1
0ceeea974dc81cbd3f1a62169681225f1f3d773a

SHA256
d2715b807a61cfcce6eb6fbac524a46ae81f41b66ad05ca344ae7844ff4669c7

SHA512
fe2b869921523c19bb187605498bc4fe2d5cc29df91d90745b247960d83bff292be0aa9c1651eea4f8b88606d6949ff76ca4c7666de02b3eb01cd3640956526f

Download Submit
memory/4704-1-0x0000000002CF0000-0x0000000002DF0000-memory.dmp

Filesize
1024KB

Download
memory/4704-2-0x0000000004910000-0x00000000049E1000-memory.dmp

Filesize
836KB

Download
memory/4704-3-0x0000000000400000-0x0000000002BB2000-memory.dmp

Filesize
39.7MB

Download
memory/4704-18-0x0000000000400000-0x0000000002BB2000-memory.dmp

Filesize
39.7MB

Download
memory/4704-70-0x0000000000400000-0x0000000002BB2000-memory.dmp

Filesize
39.7MB

Download
memory/4704-71-0x0000000002CF0000-0x0000000002DF0000-memory.dmp

Filesize
1024KB

Download
memory/4704-72-0x0000000004910000-0x00000000049E1000-memory.dmp

Filesize
836KB

Download