vidar | 4cb7f4f14f3cc8462c1fcd9b297ead2053b227a19559789ad122a0926d308b45

General

Target

2025-02-16_79f714515891c1f147f5cd2a1f50a709_frostygoop_poet-rat_snatch.exe
Size

6.0MB
MD5

79f714515891c1f147f5cd2a1f50a709
SHA1

08032fe1e4b22bffdab2e26a7d3ecec6ecd2614e
SHA256

4cb7f4f14f3cc8462c1fcd9b297ead2053b227a19559789ad122a0926d308b45
SHA512

3159ab89499e31477fbbce42d1ef5903836337dc2488c4e54cb9fe4349cab943d9683f10ab67c832547e947f84af9b7f9813635e4cbc15c6c88a242bde66f0be
SSDEEP

98304:SDTUWSpQFtPk+Yix8GIzPI1HvFxJoXK0h:0TvFxioPFxJoXK0h

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/2848-7-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral1/memory/2848-9-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral1/memory/2848-17-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7

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

Loads dropped DLL 1 IoCs

pid	Process
2808	2025-02-16_79f714515891c1f147f5cd2a1f50a709_frostygoop_poet-rat_snatch.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2808 set thread context of 2848	2808	2025-02-16_79f714515891c1f147f5cd2a1f50a709_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	2025-02-16_79f714515891c1f147f5cd2a1f50a709_frostygoop_poet-rat_snatch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2808	2025-02-16_79f714515891c1f147f5cd2a1f50a709_frostygoop_poet-rat_snatch.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2848	2808	2025-02-16_79f714515891c1f147f5cd2a1f50a709_frostygoop_poet-rat_snatch.exe	30
PID 2808 wrote to memory of 2848	2808	2025-02-16_79f714515891c1f147f5cd2a1f50a709_frostygoop_poet-rat_snatch.exe	30
PID 2808 wrote to memory of 2848	2808	2025-02-16_79f714515891c1f147f5cd2a1f50a709_frostygoop_poet-rat_snatch.exe	30
PID 2808 wrote to memory of 2848	2808	2025-02-16_79f714515891c1f147f5cd2a1f50a709_frostygoop_poet-rat_snatch.exe	30
PID 2808 wrote to memory of 2848	2808	2025-02-16_79f714515891c1f147f5cd2a1f50a709_frostygoop_poet-rat_snatch.exe	30
PID 2808 wrote to memory of 2848	2808	2025-02-16_79f714515891c1f147f5cd2a1f50a709_frostygoop_poet-rat_snatch.exe	30
PID 2808 wrote to memory of 2848	2808	2025-02-16_79f714515891c1f147f5cd2a1f50a709_frostygoop_poet-rat_snatch.exe	30
PID 2808 wrote to memory of 2848	2808	2025-02-16_79f714515891c1f147f5cd2a1f50a709_frostygoop_poet-rat_snatch.exe	30
PID 2808 wrote to memory of 2848	2808	2025-02-16_79f714515891c1f147f5cd2a1f50a709_frostygoop_poet-rat_snatch.exe	30
PID 2808 wrote to memory of 2848	2808	2025-02-16_79f714515891c1f147f5cd2a1f50a709_frostygoop_poet-rat_snatch.exe	30
PID 2808 wrote to memory of 2848	2808	2025-02-16_79f714515891c1f147f5cd2a1f50a709_frostygoop_poet-rat_snatch.exe	30
PID 2808 wrote to memory of 2848	2808	2025-02-16_79f714515891c1f147f5cd2a1f50a709_frostygoop_poet-rat_snatch.exe	30

C:\Users\Admin\AppData\Local\Temp\2025-02-16_79f714515891c1f147f5cd2a1f50a709_frostygoop_poet-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-16_79f714515891c1f147f5cd2a1f50a709_frostygoop_poet-rat_snatch.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2848

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\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\DUME8XYE\76561199824159981[1].htm

Filesize
25KB

MD5
3dd9306ce238fa271f905b6ef10af10b

SHA1
14aca718eaf6a7d7419d75a35eebc6944debfacf

SHA256
3720d2d0e8457ca25a1a6065b2c393984922c208124c7073d42ad3fa845edd6c

SHA512
44aedc0c54f87246ee7b6e22651b003df0b059a0270028e916175b2cb97f457d07873f70b90bbfb535f23e8072dd56992d0df9689b69b63eb82a682328ec27e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab141F.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1470.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\Users\Admin\AppData\Local\Temp\glfw.2330210630.dll

Filesize
1.1MB

MD5
4ec2d5a48d44c814f6ad68011e83a32b

SHA1
881a6e610ef0b1ddd7bae3c00a123c895e3da570

SHA256
93ce68219cb0e920a0b9f04a38bbeff104f530a643fd0a792215572525869f90

SHA512
fca67e744fa535ae92c17aef16da3ca2fa58811de0bacb97ba73e716dbdc62caa1ee43d957e90c9fc93e6bc366edaccd6d3ff60ae1182f1384bb0b4ae5dccb07

Download Submit
memory/2808-3-0x0000000064600000-0x000000006470E000-memory.dmp

Filesize
1.1MB

Download
memory/2808-8-0x0000000064600000-0x000000006470E000-memory.dmp

Filesize
1.1MB

Download
memory/2848-6-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2848-7-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2848-9-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2848-17-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

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