vidar | 9c6b7c989fa5211fe8a3143cb5239dfd40f24ed749100e6d04ea96b99761237f

General

Target

2025-01-23_0efa5966ba018424377f72a92301264e_frostygoop_poet-rat_snatch.exe
Size

11.8MB
MD5

0efa5966ba018424377f72a92301264e
SHA1

8d70aab10c528b33fb7d5f720ff3a53f5013ef50
SHA256

9c6b7c989fa5211fe8a3143cb5239dfd40f24ed749100e6d04ea96b99761237f
SHA512

ac1c3c0dd26a7d843df52f2d908302eb8eb9cfbe6fb57efc7a4d8835cf090c2db7c3994086653ae0241bc9b6c3e874d8f9b18a26b7dcf8adb954c1d38e79c88e
SSDEEP

98304:3HdrKq4K/+EsUW7Klb4ci34izanPfbnBS25VOv+5jEa/l2mMmfMOyZLj:3duv835i34izanl0v+xE2lWmfMOy9

Score

10^/10

vidar fc0stn discovery stealer

Malware Config

Extracted

Family

vidar

Botnet

fc0stn

C2

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

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 2868 set thread context of 2412	2868	2025-01-23_0efa5966ba018424377f72a92301264e_frostygoop_poet-rat_snatch.exe	30

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	2025-01-23_0efa5966ba018424377f72a92301264e_frostygoop_poet-rat_snatch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 2412	2868	2025-01-23_0efa5966ba018424377f72a92301264e_frostygoop_poet-rat_snatch.exe	30
PID 2868 wrote to memory of 2412	2868	2025-01-23_0efa5966ba018424377f72a92301264e_frostygoop_poet-rat_snatch.exe	30
PID 2868 wrote to memory of 2412	2868	2025-01-23_0efa5966ba018424377f72a92301264e_frostygoop_poet-rat_snatch.exe	30
PID 2868 wrote to memory of 2412	2868	2025-01-23_0efa5966ba018424377f72a92301264e_frostygoop_poet-rat_snatch.exe	30
PID 2868 wrote to memory of 2412	2868	2025-01-23_0efa5966ba018424377f72a92301264e_frostygoop_poet-rat_snatch.exe	30
PID 2868 wrote to memory of 2412	2868	2025-01-23_0efa5966ba018424377f72a92301264e_frostygoop_poet-rat_snatch.exe	30
PID 2868 wrote to memory of 2412	2868	2025-01-23_0efa5966ba018424377f72a92301264e_frostygoop_poet-rat_snatch.exe	30
PID 2868 wrote to memory of 2412	2868	2025-01-23_0efa5966ba018424377f72a92301264e_frostygoop_poet-rat_snatch.exe	30
PID 2868 wrote to memory of 2412	2868	2025-01-23_0efa5966ba018424377f72a92301264e_frostygoop_poet-rat_snatch.exe	30
PID 2868 wrote to memory of 2412	2868	2025-01-23_0efa5966ba018424377f72a92301264e_frostygoop_poet-rat_snatch.exe	30
PID 2868 wrote to memory of 2412	2868	2025-01-23_0efa5966ba018424377f72a92301264e_frostygoop_poet-rat_snatch.exe	30
PID 2868 wrote to memory of 2412	2868	2025-01-23_0efa5966ba018424377f72a92301264e_frostygoop_poet-rat_snatch.exe	30

C:\Users\Admin\AppData\Local\Temp\2025-01-23_0efa5966ba018424377f72a92301264e_frostygoop_poet-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-23_0efa5966ba018424377f72a92301264e_frostygoop_poet-rat_snatch.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
fad8902357b82d9a05e762976d60f88b

SHA1
b56a46ce9d0df8cac308a73e88f054adcfbee747

SHA256
f758b71b0ef24cf2687970116cd546b521d48bf491de19111e72affc89368e46

SHA512
ec594c5a970e733e43b791ba604cb31e616a61f949ede1dccc3de27808428f108fe6a2ccad90f2c8e04a22bbd1bc803ef0c99b34a9f4f4b1c78e3c5117c81c93

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab12A8.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar12DA.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2412-0-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2412-1-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2412-2-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2412-100-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download

Analysis

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