vidar | 3da82f3fd8dba6b11ab41996edaa1b3e10dddf67f2f948cdaed290d5fae2c67d

Analysis

max time kernel
148s
max time network
153s
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, 16:22

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General

Target

2025-01-21_32cbf22c838150348ce7a2410c5f8805_frostygoop_poet-rat_snatch.exe
Size

7.2MB
MD5

32cbf22c838150348ce7a2410c5f8805
SHA1

9d8da1530cb714cfbc39e320f38f87c8af817d6b
SHA256

3da82f3fd8dba6b11ab41996edaa1b3e10dddf67f2f948cdaed290d5fae2c67d
SHA512

73cad6066c443141101d5b855283e3a3c20935d8bcc0869462b3291b249d8ffd591da0967a3566d7ecf8377e7ad3989c0530b1dfca20df5696aa0f8a064d4b1f
SSDEEP

49152:xCOiPIhToY3gVIsuL5yE9nijTYAzQVpmfOYEtNk6fmcMlOH4U5X0+S2umabNn1h:xCLIRLsulBaTYY8Iw0J

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 4 IoCs

stealer

resource	yara_rule
behavioral2/memory/3540-1-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/3540-2-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/3540-3-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/3540-10-0x0000000000400000-0x0000000000422000-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 5088 set thread context of 3540	5088	2025-01-21_32cbf22c838150348ce7a2410c5f8805_frostygoop_poet-rat_snatch.exe	89

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_32cbf22c838150348ce7a2410c5f8805_frostygoop_poet-rat_snatch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 3540	5088	2025-01-21_32cbf22c838150348ce7a2410c5f8805_frostygoop_poet-rat_snatch.exe	89
PID 5088 wrote to memory of 3540	5088	2025-01-21_32cbf22c838150348ce7a2410c5f8805_frostygoop_poet-rat_snatch.exe	89
PID 5088 wrote to memory of 3540	5088	2025-01-21_32cbf22c838150348ce7a2410c5f8805_frostygoop_poet-rat_snatch.exe	89
PID 5088 wrote to memory of 3540	5088	2025-01-21_32cbf22c838150348ce7a2410c5f8805_frostygoop_poet-rat_snatch.exe	89
PID 5088 wrote to memory of 3540	5088	2025-01-21_32cbf22c838150348ce7a2410c5f8805_frostygoop_poet-rat_snatch.exe	89
PID 5088 wrote to memory of 3540	5088	2025-01-21_32cbf22c838150348ce7a2410c5f8805_frostygoop_poet-rat_snatch.exe	89
PID 5088 wrote to memory of 3540	5088	2025-01-21_32cbf22c838150348ce7a2410c5f8805_frostygoop_poet-rat_snatch.exe	89
PID 5088 wrote to memory of 3540	5088	2025-01-21_32cbf22c838150348ce7a2410c5f8805_frostygoop_poet-rat_snatch.exe	89
PID 5088 wrote to memory of 3540	5088	2025-01-21_32cbf22c838150348ce7a2410c5f8805_frostygoop_poet-rat_snatch.exe	89
PID 5088 wrote to memory of 3540	5088	2025-01-21_32cbf22c838150348ce7a2410c5f8805_frostygoop_poet-rat_snatch.exe	89

C:\Users\Admin\AppData\Local\Temp\2025-01-21_32cbf22c838150348ce7a2410c5f8805_frostygoop_poet-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-21_32cbf22c838150348ce7a2410c5f8805_frostygoop_poet-rat_snatch.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3540

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/3540-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3540-1-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3540-2-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3540-3-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3540-10-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download