vidar | ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913

General

Target

ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe
Size

5.4MB
MD5

021d0c04cb4de2638dbd89de7625f9b7
SHA1

054945dca5b06ea8cdb7f00571084d406a3ff95c
SHA256

ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913
SHA512

d20da669fc476ff5ba15fcb4e57d620b2b1769406c653abd647eeb67cf77d3dce087c97789a175de47dd15bdce72c5ea8d1e0df58939854c1b21ff5ad66a4357
SSDEEP

98304:igaE6aTO7kajvPkgKBS58lw6CN5HY0qxG1drEqNXn6NyjeftKFPksryk:i0XTPK5B+cN1Y0qxMdRNXnXCtK7ek

Score

10^/10

vidar 0076b6a02eb028dde461f6494f955b49 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

11

Botnet

0076b6a02eb028dde461f6494f955b49

C2

https://t.me/jamsemlg

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

Detect Vidar Stealer 7 IoCs

stealer

resource	yara_rule
behavioral2/memory/2248-3-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral2/memory/2248-8-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral2/memory/2248-6-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral2/memory/2248-27-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral2/memory/2248-28-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral2/memory/2248-55-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7
behavioral2/memory/2248-56-0x0000000000400000-0x0000000000B77000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2324 set thread context of 2248	2324	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	84

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 2 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	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.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
2248	RegAsm.exe
2248	RegAsm.exe
2248	RegAsm.exe
2248	RegAsm.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 1384	2324	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	83
PID 2324 wrote to memory of 1384	2324	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	83
PID 2324 wrote to memory of 1384	2324	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	83
PID 2324 wrote to memory of 2248	2324	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	84
PID 2324 wrote to memory of 2248	2324	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	84
PID 2324 wrote to memory of 2248	2324	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	84
PID 2324 wrote to memory of 2248	2324	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	84
PID 2324 wrote to memory of 2248	2324	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	84
PID 2324 wrote to memory of 2248	2324	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	84
PID 2324 wrote to memory of 2248	2324	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	84
PID 2324 wrote to memory of 2248	2324	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	84
PID 2324 wrote to memory of 2248	2324	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	84
PID 2324 wrote to memory of 2248	2324	ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe	84

C:\Users\Admin\AppData\Local\Temp\ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe
"C:\Users\Admin\AppData\Local\Temp\ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:1384
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

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

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Downloads

memory/2248-3-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/2248-8-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/2248-6-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/2248-27-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/2248-28-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/2248-29-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2248-55-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/2248-56-0x0000000000400000-0x0000000000B77000-memory.dmp

Filesize
7.5MB

Download
memory/2324-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/2324-1-0x00000000004A0000-0x0000000000A0A000-memory.dmp

Filesize
5.4MB

Download
memory/2324-11-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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