vidar | 74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746

General

Target

74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe
Size

571KB
MD5

d1eed00237bf1b0c9024f383ac8fd19c
SHA1

33ca0b2914883c174c877525b085370783eeebce
SHA256

74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746
SHA512

1485deabf584de46b1b9c8aaa624a679e904c9a38d64b870768e778efc1db339ce1b0309f3f107cd68376cac3aca3c970467eb31a085dbe3109593aceff337b3
SSDEEP

12288:oXU1ZnYljs7V6b7jDW0TqSjUeOcYcUEcc/pMMEwXzfnkfWaN3Hgj4S:o4nYOsjDWxcY7cVJXzfkOGP

Score

10^/10

vidar discovery stealer

Malware Config

Extracted

Family

vidar

C2

http://lade.petperfectcare.com:80

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/884-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/884-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/884-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/884-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/884-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/884-18-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/884-19-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1208 set thread context of 884	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3344	1208	WerFault.exe	82

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	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.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	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
884	MSBuild.exe
884	MSBuild.exe
884	MSBuild.exe
884	MSBuild.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1208 wrote to memory of 1216	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	83
PID 1208 wrote to memory of 1216	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	83
PID 1208 wrote to memory of 1216	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	83
PID 1208 wrote to memory of 3412	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	84
PID 1208 wrote to memory of 3412	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	84
PID 1208 wrote to memory of 3412	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	84
PID 1208 wrote to memory of 1956	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	85
PID 1208 wrote to memory of 1956	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	85
PID 1208 wrote to memory of 1956	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	85
PID 1208 wrote to memory of 884	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	86
PID 1208 wrote to memory of 884	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	86
PID 1208 wrote to memory of 884	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	86
PID 1208 wrote to memory of 884	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	86
PID 1208 wrote to memory of 884	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	86
PID 1208 wrote to memory of 884	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	86
PID 1208 wrote to memory of 884	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	86
PID 1208 wrote to memory of 884	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	86
PID 1208 wrote to memory of 884	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	86
PID 1208 wrote to memory of 884	1208	74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe	86

C:\Users\Admin\AppData\Local\Temp\74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe
"C:\Users\Admin\AppData\Local\Temp\74d97d001058dc33a510dc4da4001a69ebe56b63facb1720f8959714953d9746.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:1216
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:3412
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:1956
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:884
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 280
  2⤵
  - Program crash
  PID:3344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1208 -ip 1208
1⤵
PID:4824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/884-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/884-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/884-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/884-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/884-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/884-18-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/884-10-0x000000001D6E0000-0x000000001D93F000-memory.dmp

Filesize
2.4MB

Download
memory/884-19-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1208-0-0x0000000000B8D000-0x0000000000B8F000-memory.dmp

Filesize
8KB

Download

Analysis

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