vidar | a97f2c096c3e9cb0d693d226726c0b100d5ebf99e832db3e40c4f48db6016390

Analysis

max time kernel
150s
max time network
150s
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 18:23

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General

Target

2025-01-21_aab8d2e4a6bb1dea638155d09a165a79_frostygoop_poet-rat_snatch.exe
Size

6.2MB
MD5

aab8d2e4a6bb1dea638155d09a165a79
SHA1

75aa5e844d8bcca5ec838d93a3157c886a8cc0c8
SHA256

a97f2c096c3e9cb0d693d226726c0b100d5ebf99e832db3e40c4f48db6016390
SHA512

d5d436f624b9fa3878ae3d0cb5b4e6c60bb85e9877c84049947522a5ab1210d20ccd2a8f626f188d7a98450a8ed2b74be99d9b977233cde257e5aec470913586
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 3 IoCs

stealer

resource	yara_rule
behavioral2/memory/3676-1-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/3676-2-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/3676-9-0x0000000000400000-0x0000000000422000-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 4448 set thread context of 3676	4448	2025-01-21_aab8d2e4a6bb1dea638155d09a165a79_frostygoop_poet-rat_snatch.exe	91

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_aab8d2e4a6bb1dea638155d09a165a79_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 4448 wrote to memory of 3676	4448	2025-01-21_aab8d2e4a6bb1dea638155d09a165a79_frostygoop_poet-rat_snatch.exe	91
PID 4448 wrote to memory of 3676	4448	2025-01-21_aab8d2e4a6bb1dea638155d09a165a79_frostygoop_poet-rat_snatch.exe	91
PID 4448 wrote to memory of 3676	4448	2025-01-21_aab8d2e4a6bb1dea638155d09a165a79_frostygoop_poet-rat_snatch.exe	91
PID 4448 wrote to memory of 3676	4448	2025-01-21_aab8d2e4a6bb1dea638155d09a165a79_frostygoop_poet-rat_snatch.exe	91
PID 4448 wrote to memory of 3676	4448	2025-01-21_aab8d2e4a6bb1dea638155d09a165a79_frostygoop_poet-rat_snatch.exe	91
PID 4448 wrote to memory of 3676	4448	2025-01-21_aab8d2e4a6bb1dea638155d09a165a79_frostygoop_poet-rat_snatch.exe	91
PID 4448 wrote to memory of 3676	4448	2025-01-21_aab8d2e4a6bb1dea638155d09a165a79_frostygoop_poet-rat_snatch.exe	91
PID 4448 wrote to memory of 3676	4448	2025-01-21_aab8d2e4a6bb1dea638155d09a165a79_frostygoop_poet-rat_snatch.exe	91
PID 4448 wrote to memory of 3676	4448	2025-01-21_aab8d2e4a6bb1dea638155d09a165a79_frostygoop_poet-rat_snatch.exe	91
PID 4448 wrote to memory of 3676	4448	2025-01-21_aab8d2e4a6bb1dea638155d09a165a79_frostygoop_poet-rat_snatch.exe	91
PID 4448 wrote to memory of 3676	4448	2025-01-21_aab8d2e4a6bb1dea638155d09a165a79_frostygoop_poet-rat_snatch.exe	91

C:\Users\Admin\AppData\Local\Temp\2025-01-21_aab8d2e4a6bb1dea638155d09a165a79_frostygoop_poet-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-21_aab8d2e4a6bb1dea638155d09a165a79_frostygoop_poet-rat_snatch.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4448
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3676

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/3676-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3676-1-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3676-2-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3676-9-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download