vidar | a7a034b974a5b7b667be84e9c4fcefea839f6549d2e4fcc9409571ac4e69bee6

General

Target

235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe
Size

2.6MB
MD5

d7562595687f6b52a4e90b35f2280b04
SHA1

94a0bd3516d85169faa13ca86cd12ff5f65b4532
SHA256

235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb
SHA512

f45db5023061b06797400c1d6815a4b34d3f260942737365781015dc31b34115449ad5832b30010f5fbb2590206757939c748ccbf589efaab0b016c2a8059c2e
SSDEEP

49152:IKQXc2DfKCPpOSGoA2W5lu7hPHzLNLPnARaLrctI4g+xSfD913Ax3UjgJgI+WpnS:f7gfDA2zxzLNLPARayEj

Score

10^/10

vidar 91ee094dd9ffff7505d0f982e8e1ca3f credential_access discovery persistence spyware stealer

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

91ee094dd9ffff7505d0f982e8e1ca3f

C2

https://steamcommunity.com/profiles/76561199786602107

https://t.me/lpnjoke

Signatures

Detect Vidar Stealer 8 IoCs

stealer

resource	yara_rule
behavioral1/memory/2028-7-0x0000000000400000-0x00000000006BA000-memory.dmp	family_vidar_v7
behavioral1/memory/2028-9-0x0000000000400000-0x00000000006BA000-memory.dmp	family_vidar_v7
behavioral1/memory/2028-13-0x0000000000400000-0x00000000006BA000-memory.dmp	family_vidar_v7
behavioral1/memory/4212-12-0x00000000006C0000-0x0000000000936000-memory.dmp	family_vidar_v7
behavioral1/memory/4212-8-0x00000000006C0000-0x0000000000936000-memory.dmp	family_vidar_v7
behavioral1/memory/4212-34-0x00000000006C0000-0x0000000000936000-memory.dmp	family_vidar_v7
behavioral1/memory/4212-35-0x00000000006C0000-0x0000000000936000-memory.dmp	family_vidar_v7
behavioral1/memory/4212-36-0x00000000006C0000-0x0000000000936000-memory.dmp	family_vidar_v7

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000\Software\Microsoft\Windows\CurrentVersion\Run\MServerDesignerEditor = "C:\\Users\\Admin\\Music\\MServerDesignerUpdater\\MServerConvertVideo.exe"	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe

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 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.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	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4752	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4212	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe
4212	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe
4212	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe
4212	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe
4212	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe
4212	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 4212	2028	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe	77
PID 2028 wrote to memory of 4212	2028	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe	77
PID 2028 wrote to memory of 4212	2028	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe	77
PID 2028 wrote to memory of 4212	2028	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe	77
PID 2028 wrote to memory of 4212	2028	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe	77
PID 4212 wrote to memory of 2220	4212	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe	79
PID 4212 wrote to memory of 2220	4212	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe	79
PID 4212 wrote to memory of 2220	4212	235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe	79
PID 2220 wrote to memory of 4752	2220	cmd.exe	81
PID 2220 wrote to memory of 4752	2220	cmd.exe	81
PID 2220 wrote to memory of 4752	2220	cmd.exe	81

C:\Users\Admin\AppData\Local\Temp\235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe
"C:\Users\Admin\AppData\Local\Temp\235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Users\Admin\AppData\Local\Temp\235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe
  "C:\Users\Admin\AppData\Local\Temp\235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4212
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\235be22a82cb8890d91c8cd29992fd044a3c802cc0bc55ee293e14ae54700cfb.exe" & rd /s /q "C:\ProgramData\KFCFBFHIEBKJ" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2220
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:4752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

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/2028-24-0x0000000000461000-0x0000000000479000-memory.dmp

Filesize
96KB

Download
memory/2028-4-0x0000000000400000-0x00000000006BA000-memory.dmp

Filesize
2.7MB

Download
memory/2028-1-0x0000000000400000-0x00000000006BA000-memory.dmp

Filesize
2.7MB

Download
memory/2028-5-0x0000000000400000-0x00000000006BA000-memory.dmp

Filesize
2.7MB

Download
memory/2028-0-0x0000000000400000-0x00000000006BA000-memory.dmp

Filesize
2.7MB

Download
memory/2028-6-0x0000000000400000-0x00000000006BA000-memory.dmp

Filesize
2.7MB

Download
memory/2028-2-0x0000000000461000-0x0000000000479000-memory.dmp

Filesize
96KB

Download
memory/2028-9-0x0000000000400000-0x00000000006BA000-memory.dmp

Filesize
2.7MB

Download
memory/2028-7-0x0000000000400000-0x00000000006BA000-memory.dmp

Filesize
2.7MB

Download
memory/2028-13-0x0000000000400000-0x00000000006BA000-memory.dmp

Filesize
2.7MB

Download
memory/4212-8-0x00000000006C0000-0x0000000000936000-memory.dmp

Filesize
2.5MB

Download
memory/4212-16-0x0000000000400000-0x00000000006BA000-memory.dmp

Filesize
2.7MB

Download
memory/4212-12-0x00000000006C0000-0x0000000000936000-memory.dmp

Filesize
2.5MB

Download
memory/4212-34-0x00000000006C0000-0x0000000000936000-memory.dmp

Filesize
2.5MB

Download
memory/4212-35-0x00000000006C0000-0x0000000000936000-memory.dmp

Filesize
2.5MB

Download
memory/4212-36-0x00000000006C0000-0x0000000000936000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads