vidar | f354a8a36858de0b24051590ecb10effd9acd799cb63c1c69666780c7a6c9f06

General

Target

7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab.exe
Size

275KB
MD5

21ad0d415c592aaa62f5dda5a1e2f8a8
SHA1

598c92641b690dfc9dcc70387122b321720d324e
SHA256

7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab
SHA512

9fdd584020b12b468c8d0ec878f8a22d99db954843a7749f75de51a5d2c903ecb5d5cab7d157466a17d58c318e23ea9e611fd63929106ae0b1b595e8824e5b34
SSDEEP

6144:DStgmT/OY2XfZnXSS5fKchWSy4iwIRgqxVPVQGbl5BL:DStgmCZCSZWSy4iwkzPP3BL

Score

10^/10

vidar 4cf8d799a3641f9821e54be56c960e28 stealer

Malware Config

Extracted

Family

vidar

Version

8.4

Botnet

4cf8d799a3641f9821e54be56c960e28

C2

https://steamcommunity.com/profiles/76561199654112719

https://t.me/r2d0s

Attributes

profile_id_v2
4cf8d799a3641f9821e54be56c960e28
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0

Signatures

Detect Vidar Stealer 8 IoCs

stealer

resource	yara_rule
behavioral1/memory/2524-11-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/2524-13-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/2524-14-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/2524-17-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/2524-20-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/2524-23-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/2524-24-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/2524-63-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1640 set thread context of 2524	1640	7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1784	2524	WerFault.exe	29

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 2524	1640	7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab.exe	29
PID 1640 wrote to memory of 2524	1640	7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab.exe	29
PID 1640 wrote to memory of 2524	1640	7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab.exe	29
PID 1640 wrote to memory of 2524	1640	7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab.exe	29
PID 1640 wrote to memory of 2524	1640	7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab.exe	29
PID 1640 wrote to memory of 2524	1640	7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab.exe	29
PID 1640 wrote to memory of 2524	1640	7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab.exe	29
PID 1640 wrote to memory of 2524	1640	7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab.exe	29
PID 1640 wrote to memory of 2524	1640	7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab.exe	29
PID 1640 wrote to memory of 2524	1640	7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab.exe	29
PID 1640 wrote to memory of 2524	1640	7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab.exe	29
PID 1640 wrote to memory of 2524	1640	7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab.exe	29
PID 1640 wrote to memory of 2524	1640	7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab.exe	29
PID 1640 wrote to memory of 2524	1640	7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab.exe	29
PID 2524 wrote to memory of 1784	2524	RegAsm.exe	34
PID 2524 wrote to memory of 1784	2524	RegAsm.exe	34
PID 2524 wrote to memory of 1784	2524	RegAsm.exe	34
PID 2524 wrote to memory of 1784	2524	RegAsm.exe	34

C:\Users\Admin\AppData\Local\Temp\7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab.exe
"C:\Users\Admin\AppData\Local\Temp\7c22cd6ae7ec51834e36037722d64796c6c59a51b5f3dcd51faf5147aff650ab.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 1404
    3⤵
    - Program crash
    PID:1784

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar25A1.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
memory/1640-21-0x0000000074060000-0x000000007474E000-memory.dmp

Filesize
6.9MB

Download
memory/1640-0-0x0000000000C10000-0x0000000000C56000-memory.dmp

Filesize
280KB

Download
memory/1640-5-0x0000000002060000-0x0000000004060000-memory.dmp

Filesize
32.0MB

Download
memory/1640-1-0x0000000074060000-0x000000007474E000-memory.dmp

Filesize
6.9MB

Download
memory/2524-7-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2524-13-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2524-14-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2524-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2524-17-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2524-20-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2524-11-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2524-23-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2524-24-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2524-9-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2524-4-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2524-63-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download

Analysis

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