vidar | dc90777bd03548942ed4b0a37ec03bb527225e56bfa7cd13ba36a73fd1dec123

General

Target

2025-02-14_b27f82232705f46c872db1b71a4aa755_frostygoop_poet-rat_snatch.exe
Size

5.6MB
MD5

b27f82232705f46c872db1b71a4aa755
SHA1

aaed5c68952124ab06dc9a54ede30344fd05fec5
SHA256

dc90777bd03548942ed4b0a37ec03bb527225e56bfa7cd13ba36a73fd1dec123
SHA512

3c920dd4e4db43db0def356d48a7f9bb17866f2b1106fe11478ebc04c318daf6a6c94e586b7396c009cf001a5548c1993b4a6956a408504189eff16a8ab023c5
SSDEEP

49152:PJiTLxmrxMgiQNXf34SF0VwUhu6NqQFn8vca9Ypyy7KQ+cKa/Et9m3OnytR1ljyc:P0TLxmFkQNXgU0ZqXHfaj3OQjy

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
behavioral2/memory/2024-2-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/2024-3-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral2/memory/2024-4-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
57	5088	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1164 set thread context of 2024	1164	2025-02-14_b27f82232705f46c872db1b71a4aa755_frostygoop_poet-rat_snatch.exe	95

System Location Discovery: System Language Discovery 1 TTPs 3 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	2025-02-14_b27f82232705f46c872db1b71a4aa755_frostygoop_poet-rat_snatch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2076	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1164 wrote to memory of 2024	1164	2025-02-14_b27f82232705f46c872db1b71a4aa755_frostygoop_poet-rat_snatch.exe	95
PID 1164 wrote to memory of 2024	1164	2025-02-14_b27f82232705f46c872db1b71a4aa755_frostygoop_poet-rat_snatch.exe	95
PID 1164 wrote to memory of 2024	1164	2025-02-14_b27f82232705f46c872db1b71a4aa755_frostygoop_poet-rat_snatch.exe	95
PID 1164 wrote to memory of 2024	1164	2025-02-14_b27f82232705f46c872db1b71a4aa755_frostygoop_poet-rat_snatch.exe	95
PID 1164 wrote to memory of 2024	1164	2025-02-14_b27f82232705f46c872db1b71a4aa755_frostygoop_poet-rat_snatch.exe	95
PID 1164 wrote to memory of 2024	1164	2025-02-14_b27f82232705f46c872db1b71a4aa755_frostygoop_poet-rat_snatch.exe	95
PID 1164 wrote to memory of 2024	1164	2025-02-14_b27f82232705f46c872db1b71a4aa755_frostygoop_poet-rat_snatch.exe	95
PID 1164 wrote to memory of 2024	1164	2025-02-14_b27f82232705f46c872db1b71a4aa755_frostygoop_poet-rat_snatch.exe	95
PID 1164 wrote to memory of 2024	1164	2025-02-14_b27f82232705f46c872db1b71a4aa755_frostygoop_poet-rat_snatch.exe	95
PID 1164 wrote to memory of 2024	1164	2025-02-14_b27f82232705f46c872db1b71a4aa755_frostygoop_poet-rat_snatch.exe	95
PID 1164 wrote to memory of 2024	1164	2025-02-14_b27f82232705f46c872db1b71a4aa755_frostygoop_poet-rat_snatch.exe	95

C:\Users\Admin\AppData\Local\Temp\2025-02-14_b27f82232705f46c872db1b71a4aa755_frostygoop_poet-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-14_b27f82232705f46c872db1b71a4aa755_frostygoop_poet-rat_snatch.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1164
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2024

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI2IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5MjEiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODE5ODA3NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0ODU0NjAyODA0Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2076

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MSSAH4ZA\76561199824159981[1].htm

Filesize
34KB

MD5
95a0a9a8806e21859f3c83895c103232

SHA1
61c85fe466c7524e66b9766b03f6e3dea869572b

SHA256
f052efe52c762516cb575dd73902c5fd5726a44a71e8d26602cb256b2924a084

SHA512
bb7806e886afaa41e10e7f8e187e3a4dc1cc94eaa7e544b1085278e48ccd8df259303850a61b2895bc4e7ed90b431aba8d6b09f91cedbe7921f2dbe7284f5e1b

Download Submit
memory/2024-1-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2024-2-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2024-3-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2024-4-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing