vidar | c904bc128478ddeb180655f7bf75014a9af5daa6d157e610b2565764a8503caa

Analysis

max time kernel
94s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-01-2025 14:26

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General

Target

2025-01-21_84f475322583d100b54b10b06ba85fe1_frostygoop_poet-rat_snatch.exe
Size

5.9MB
MD5

84f475322583d100b54b10b06ba85fe1
SHA1

1c2256390adbb01d9c6237dd86bd59feebade65a
SHA256

c904bc128478ddeb180655f7bf75014a9af5daa6d157e610b2565764a8503caa
SHA512

d39949f9cbcc4900b9084f097b3351bfe7c656c6b723b1c85312349d5c724259d80fe1b20d62f2388cd36496041003439bef8c5fcc8326a467535cc03c648962
SSDEEP

49152:eoNrBMzhZyXLhpVWGaTkuu6LS95HKyUJTjFwQgLlON2WwwOFnvVJiX76emx4La9U:ecMt4X3VWGe1SiJog2WWsSE

Score

10^/10

vidar fc0stn discovery stealer

Malware Config

Extracted

Family

vidar

Botnet

fc0stn

https://t.me/w0ctzn

https://steamcommunity.com/profiles/76561199817305251

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:131.0) Gecko/20100101 Firefox/131.0

Signatures

Detect Vidar Stealer 3 IoCs

stealer

resource	yara_rule
behavioral2/memory/312-1-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/312-2-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/312-9-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2100 set thread context of 312	2100	2025-01-21_84f475322583d100b54b10b06ba85fe1_frostygoop_poet-rat_snatch.exe	90

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	2025-01-21_84f475322583d100b54b10b06ba85fe1_frostygoop_poet-rat_snatch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 312	2100	2025-01-21_84f475322583d100b54b10b06ba85fe1_frostygoop_poet-rat_snatch.exe	90
PID 2100 wrote to memory of 312	2100	2025-01-21_84f475322583d100b54b10b06ba85fe1_frostygoop_poet-rat_snatch.exe	90
PID 2100 wrote to memory of 312	2100	2025-01-21_84f475322583d100b54b10b06ba85fe1_frostygoop_poet-rat_snatch.exe	90
PID 2100 wrote to memory of 312	2100	2025-01-21_84f475322583d100b54b10b06ba85fe1_frostygoop_poet-rat_snatch.exe	90
PID 2100 wrote to memory of 312	2100	2025-01-21_84f475322583d100b54b10b06ba85fe1_frostygoop_poet-rat_snatch.exe	90
PID 2100 wrote to memory of 312	2100	2025-01-21_84f475322583d100b54b10b06ba85fe1_frostygoop_poet-rat_snatch.exe	90
PID 2100 wrote to memory of 312	2100	2025-01-21_84f475322583d100b54b10b06ba85fe1_frostygoop_poet-rat_snatch.exe	90
PID 2100 wrote to memory of 312	2100	2025-01-21_84f475322583d100b54b10b06ba85fe1_frostygoop_poet-rat_snatch.exe	90
PID 2100 wrote to memory of 312	2100	2025-01-21_84f475322583d100b54b10b06ba85fe1_frostygoop_poet-rat_snatch.exe	90
PID 2100 wrote to memory of 312	2100	2025-01-21_84f475322583d100b54b10b06ba85fe1_frostygoop_poet-rat_snatch.exe	90
PID 2100 wrote to memory of 312	2100	2025-01-21_84f475322583d100b54b10b06ba85fe1_frostygoop_poet-rat_snatch.exe	90

C:\Users\Admin\AppData\Local\Temp\2025-01-21_84f475322583d100b54b10b06ba85fe1_frostygoop_poet-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-21_84f475322583d100b54b10b06ba85fe1_frostygoop_poet-rat_snatch.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/312-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/312-1-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/312-2-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/312-9-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download