vidar | d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50

General

Target

d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe
Size

135KB
MD5

458d31ecc5a490d5bda8d52e7ca8a5b6
SHA1

213aac6538f2d98169f655d2252a13f50e6f31a5
SHA256

d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50
SHA512

a3dfdf74773a7f195e26e4225f79394664d808777f50cbadc4571e36b55aab8c4c6864fbc02ab83378aa1904a403ef2915c98585d541f0babb324b28bf56bb2b
SSDEEP

3072:f5zF1UvqLHTCCrSIpnwF8vIzKJjGjssSDrI8pSQbAAmVBVa5GKYzEO:71zLN+WvnHsSv1zJmV2SEO

Score

10^/10

vidar discovery spyware stealer

Malware Config

Extracted

Family

vidar

C2

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Signatures

Detect Vidar Stealer 6 IoCs

stealer

resource	yara_rule
behavioral2/memory/3724-27-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/3724-31-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/3724-35-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/3724-47-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/3724-48-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/3724-51-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Executes dropped EXE 1 IoCs

pid	Process
2852	downloaded_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
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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
6	api.ipify.org

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4356 set thread context of 1120	4356	d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe	83
PID 2852 set thread context of 3724	2852	downloaded_file.exe	86

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4680	3724	WerFault.exe	86

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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	downloaded_file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.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	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3724	RegAsm.exe
3724	RegAsm.exe
3724	RegAsm.exe
3724	RegAsm.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4356 wrote to memory of 1120	4356	d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe	83
PID 4356 wrote to memory of 1120	4356	d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe	83
PID 4356 wrote to memory of 1120	4356	d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe	83
PID 4356 wrote to memory of 1120	4356	d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe	83
PID 4356 wrote to memory of 1120	4356	d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe	83
PID 4356 wrote to memory of 1120	4356	d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe	83
PID 4356 wrote to memory of 1120	4356	d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe	83
PID 4356 wrote to memory of 1120	4356	d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe	83
PID 4356 wrote to memory of 1120	4356	d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe	83
PID 4356 wrote to memory of 1120	4356	d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe	83
PID 1120 wrote to memory of 2852	1120	RegAsm.exe	84
PID 1120 wrote to memory of 2852	1120	RegAsm.exe	84
PID 1120 wrote to memory of 2852	1120	RegAsm.exe	84
PID 2852 wrote to memory of 3724	2852	downloaded_file.exe	86
PID 2852 wrote to memory of 3724	2852	downloaded_file.exe	86
PID 2852 wrote to memory of 3724	2852	downloaded_file.exe	86
PID 2852 wrote to memory of 3724	2852	downloaded_file.exe	86
PID 2852 wrote to memory of 3724	2852	downloaded_file.exe	86
PID 2852 wrote to memory of 3724	2852	downloaded_file.exe	86
PID 2852 wrote to memory of 3724	2852	downloaded_file.exe	86
PID 2852 wrote to memory of 3724	2852	downloaded_file.exe	86
PID 2852 wrote to memory of 3724	2852	downloaded_file.exe	86
PID 2852 wrote to memory of 3724	2852	downloaded_file.exe	86

C:\Users\Admin\AppData\Local\Temp\d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe
"C:\Users\Admin\AppData\Local\Temp\d574de9b5d8f74451207c6b4f2b6f63e1b58f8d8f50dc03a722638c866a41f50.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4356
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1120
- - C:\Users\Admin\AppData\Local\Temp\TempFolder\downloaded_file.exe
    "C:\Users\Admin\AppData\Local\Temp\TempFolder\downloaded_file.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2852
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      PID:3724
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3724 -s 2220
        5⤵
        Program crash
        
        PID:4680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3724 -ip 3724
1⤵
PID:3312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\TempFolder\downloaded_file.exe

Filesize
283KB

MD5
570f9923f42d17f4bd778860dafb71f8

SHA1
7bfcbf9992daaa0170183cc1b95cd63f6662e8ae

SHA256
bba545f6548a550f414fde4684ec52fbfa09a4f899ebf9ca94ec7ffc21ca519a

SHA512
ee2ab17af96c011ccd2d1a57b635990f62b85be32f80948ff3d50e9ce0c7a2cdd7416f815de31bbce3cc3b82d0cd6ce8310d7fa41ff0afe769b5c1b482eb003f

Download Submit
memory/1120-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1120-22-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1120-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1120-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1120-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2852-24-0x0000000000BD0000-0x0000000000C1A000-memory.dmp

Filesize
296KB

Download
memory/2852-25-0x000000007501E000-0x000000007501F000-memory.dmp

Filesize
4KB

Download
memory/2852-34-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/3724-47-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/3724-27-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/3724-31-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/3724-35-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/3724-48-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/3724-51-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4356-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/4356-1-0x00000000007F0000-0x0000000000816000-memory.dmp

Filesize
152KB

Download
memory/4356-2-0x00000000056B0000-0x0000000005C54000-memory.dmp

Filesize
5.6MB

Download
memory/4356-8-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4356-49-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads