vidar | 81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce

General

Target

81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe
Size

4.8MB
MD5

9c34d1555408e02bf79d305e14da648f
SHA1

3ade53d77f21861819565b4902d42d17b26b0771
SHA256

81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce
SHA512

be426e3af1d0888cf1b9dd61f01f9010f4f2f83a979acdafb27eae99b21b96e96391ecd73d01f60d087c36adce9538ce8f307bf9660a8b6cf4306e7b6dca1a46
SSDEEP

49152:8Uocec9UxniW/mQU/KgxyPZqsHsehXnMuCtHVZK7umnSZHjew1zdRm8y7PSZp5Jn:84ec9KnirhCWyQegK7B8Cy

Score

10^/10

vidar discovery stealer

Malware Config

Extracted

Family

vidar

C2

https://t.me/b4cha00

https://steamcommunity.com/profiles/76561199825403037

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:137.0) Gecko/20100101 Firefox/137.0

Signatures

Detect Vidar Stealer 3 IoCs

stealer

resource	yara_rule
behavioral1/memory/2564-1-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral1/memory/2564-2-0x0000000000400000-0x0000000000422000-memory.dmp	family_vidar_v7
behavioral1/memory/2564-10-0x0000000000400000-0x0000000000422000-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 3016 set thread context of 2564	3016	81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe	29

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	81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2564	3016	81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe	29
PID 3016 wrote to memory of 2564	3016	81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe	29
PID 3016 wrote to memory of 2564	3016	81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe	29
PID 3016 wrote to memory of 2564	3016	81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe	29
PID 3016 wrote to memory of 2564	3016	81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe	29
PID 3016 wrote to memory of 2564	3016	81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe	29
PID 3016 wrote to memory of 2564	3016	81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe	29
PID 3016 wrote to memory of 2564	3016	81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe	29
PID 3016 wrote to memory of 2564	3016	81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe	29
PID 3016 wrote to memory of 2564	3016	81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe	29
PID 3016 wrote to memory of 2564	3016	81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe	29
PID 3016 wrote to memory of 2564	3016	81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe	29

C:\Users\Admin\AppData\Local\Temp\81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe
"C:\Users\Admin\AppData\Local\Temp\81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2564

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\76561199825403037[1].htm

Filesize
34KB

MD5
49cabf34dfbbbecd2c66e1cbba118c71

SHA1
e61b1756e01e1483d4567f39bc0c4f47c13a135e

SHA256
3a092479bde028119c547f53b55868bafe21c58f12b99cda5d6735755fd63f63

SHA512
5b55f7f559092c1e083e4dab12150237497d596b65de362c82af225769dab73444b7645bfdabb7f71b439a9b73461494bb7308ed1745354f37d8d4ca1f3519f8

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabC4E7.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC567.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2564-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2564-1-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2564-2-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2564-10-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

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