vidar | cedb81c4665ea6e96d6bce5b08546fa776d37f2ed10fee4eb65d216ba90bd839

General

Target

2025-02-05_10d60fa8fdc147554cee177e8de2d98c_frostygoop_poet-rat_snatch.exe
Size

4.5MB
MD5

10d60fa8fdc147554cee177e8de2d98c
SHA1

8d528adf5a1736fa47de472dd86f8c0a858f6337
SHA256

cedb81c4665ea6e96d6bce5b08546fa776d37f2ed10fee4eb65d216ba90bd839
SHA512

0631b78614a5cfd5c29fb1d81fa07a959a22073b6739bb430001005c1cd70d5d825d1a56857edc8c93fbd2089b368c3a0bb9385ebe1ae4b86a2d544bf305addd
SSDEEP

49152:qYAyOIfdsbFR+ywdYFe0vLTj8TLVwl9q3PnPkGVzM2c4SQjFf6x1to:q7yOMQR+ywWw04T5nmujMo

Score

10^/10

vidar discovery stealer

Malware Config

Extracted

Family

vidar

C2

https://t.me/sok33tn

https://steamcommunity.com/profiles/76561199824159981

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:136.0) Gecko/20100101 Firefox/136.0

Signatures

Detect Vidar Stealer 3 IoCs

stealer

resource	yara_rule
behavioral1/memory/2296-1-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral1/memory/2296-2-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral1/memory/2296-100-0x0000000000400000-0x0000000000422000-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 804 set thread context of 2296	804	2025-02-05_10d60fa8fdc147554cee177e8de2d98c_frostygoop_poet-rat_snatch.exe	31

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	2025-02-05_10d60fa8fdc147554cee177e8de2d98c_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 804 wrote to memory of 2296	804	2025-02-05_10d60fa8fdc147554cee177e8de2d98c_frostygoop_poet-rat_snatch.exe	31
PID 804 wrote to memory of 2296	804	2025-02-05_10d60fa8fdc147554cee177e8de2d98c_frostygoop_poet-rat_snatch.exe	31
PID 804 wrote to memory of 2296	804	2025-02-05_10d60fa8fdc147554cee177e8de2d98c_frostygoop_poet-rat_snatch.exe	31
PID 804 wrote to memory of 2296	804	2025-02-05_10d60fa8fdc147554cee177e8de2d98c_frostygoop_poet-rat_snatch.exe	31
PID 804 wrote to memory of 2296	804	2025-02-05_10d60fa8fdc147554cee177e8de2d98c_frostygoop_poet-rat_snatch.exe	31
PID 804 wrote to memory of 2296	804	2025-02-05_10d60fa8fdc147554cee177e8de2d98c_frostygoop_poet-rat_snatch.exe	31
PID 804 wrote to memory of 2296	804	2025-02-05_10d60fa8fdc147554cee177e8de2d98c_frostygoop_poet-rat_snatch.exe	31
PID 804 wrote to memory of 2296	804	2025-02-05_10d60fa8fdc147554cee177e8de2d98c_frostygoop_poet-rat_snatch.exe	31
PID 804 wrote to memory of 2296	804	2025-02-05_10d60fa8fdc147554cee177e8de2d98c_frostygoop_poet-rat_snatch.exe	31
PID 804 wrote to memory of 2296	804	2025-02-05_10d60fa8fdc147554cee177e8de2d98c_frostygoop_poet-rat_snatch.exe	31
PID 804 wrote to memory of 2296	804	2025-02-05_10d60fa8fdc147554cee177e8de2d98c_frostygoop_poet-rat_snatch.exe	31
PID 804 wrote to memory of 2296	804	2025-02-05_10d60fa8fdc147554cee177e8de2d98c_frostygoop_poet-rat_snatch.exe	31

C:\Users\Admin\AppData\Local\Temp\2025-02-05_10d60fa8fdc147554cee177e8de2d98c_frostygoop_poet-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-05_10d60fa8fdc147554cee177e8de2d98c_frostygoop_poet-rat_snatch.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:804
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2296

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
198de1e0b891f645f8145cf41a94ad48

SHA1
ca367ceb0ef06386087a02e0373bc4265ca5cf78

SHA256
ba609e4f7c6d4bf538e05252804401307d09a1f50af678a207ddecf47008f667

SHA512
29b565df7f891ed24feda88a00193526bb5c5a955b0b5f7547153d360508d060522f07b1e1de275a58ee3f9a8f893ad2423e91fe79357b642ae770ac7e46ab62

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab4397.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar43B9.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2296-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2296-1-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2296-2-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2296-100-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

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