vidar | 88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233a

General

Target

88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233aN.exe
Size

2.3MB
MD5

81ea5574893bea66072640f30c7c0060
SHA1

55309a096c4956c808cc5d8e327c6f75fafe24c4
SHA256

88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233a
SHA512

575bb135a237194cc62ec4f893e3c6c4b165160383be62cf5f6265c2c67928c102e1b75b82493fa4983b35909be3428a1908cb1cd47080c6c669c671fff498bb
SSDEEP

3072:6R+9MwiQ1/d0kzv4NmVcc18DM74+c9JDpdN3f5Bl5xoaq0jcp8HraqVmQdwuA:6RKMreKkzwNemDM7Ab3ix8F7wu

Score

10^/10

vidar credential_access 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 2 IoCs

stealer

resource	yara_rule
behavioral2/memory/868-0-0x0000000000CF0000-0x0000000000F47000-memory.dmp	family_vidar_v7
behavioral2/memory/868-16-0x0000000000CF0000-0x0000000000F47000-memory.dmp	family_vidar_v7

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

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233aN.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233aN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233aN.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
5656	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
868	88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233aN.exe
868	88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233aN.exe
868	88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233aN.exe
868	88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233aN.exe
868	88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233aN.exe
868	88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233aN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 5416	868	88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233aN.exe	86
PID 868 wrote to memory of 5416	868	88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233aN.exe	86
PID 868 wrote to memory of 5416	868	88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233aN.exe	86
PID 5416 wrote to memory of 5656	5416	cmd.exe	88
PID 5416 wrote to memory of 5656	5416	cmd.exe	88
PID 5416 wrote to memory of 5656	5416	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233aN.exe
"C:\Users\Admin\AppData\Local\Temp\88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233aN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:868
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\88f413c96604670ea6b1184c236b390468e9d4b16d35ed02701409b4a6f0233aN.exe" & rd /s /q "C:\ProgramData\AFIDGDBGCAAF" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5416
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 10
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/868-0-0x0000000000CF0000-0x0000000000F47000-memory.dmp

Filesize
2.3MB

Download
memory/868-16-0x0000000000CF0000-0x0000000000F47000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads