Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
02/04/2024, 10:43
Static task
static1
Behavioral task
behavioral1
Sample
b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe
Resource
win7-20240221-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe
Resource
win10v2004-20240226-en
6 signatures
150 seconds
General
- Target b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe
- Size 278KB
- Sample240402-msnlvafe8s
- SHA256 b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd
- MD5 b6bbb03b84e589433f139d88ca24c62d
- SHA1 2eeeed07176de200eaf5bc207852781ddc5da2b5
- SHA512 09075709691b8fba668184b2469c5bdc7174bcb3e16de2d046bf7abff6257f941e36d2a28db2e42b88807e1ba3c15165875fb82485c621d60f9001bed62ee4de
- SSDEEP 6144:5ok6GPg9b2t0eQnQqRRtf3G82ed6JcVsk:5D6GPg9b2t5+jRtfJdJB
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
vidar
Version
-
8.6
Botnet
-
debff3f4f38e9beeaf8e215a762c8549
C2
-
https://steamcommunity.com/profiles/76561199658817715
-
https://t.me/sa9ok
Attributes
-
profile_id_v2
debff3f4f38e9beeaf8e215a762c8549
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Signatures
- Detect Vidar Stealer 3 IoCs
resource yara_rule behavioral2/memory/3520-6-0x0000000000400000-0x0000000000644000-memory.dmp family_vidar_v7 behavioral2/memory/3520-9-0x0000000000400000-0x0000000000644000-memory.dmp family_vidar_v7 behavioral2/memory/3520-12-0x0000000000400000-0x0000000000644000-memory.dmp family_vidar_v7 - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3596 set thread context of 3520 3596 b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe 89 - Program crash 2 IoCs
pid pid_target Process procid_target 3220 3596 WerFault.exe 85 4676 3520 WerFault.exe 89 - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3596 b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3596 wrote to memory of 3520 3596 b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe 89 PID 3596 wrote to memory of 3520 3596 b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe 89 PID 3596 wrote to memory of 3520 3596 b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe 89 PID 3596 wrote to memory of 3520 3596 b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe 89 PID 3596 wrote to memory of 3520 3596 b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe 89 PID 3596 wrote to memory of 3520 3596 b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe 89 PID 3596 wrote to memory of 3520 3596 b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe 89 PID 3596 wrote to memory of 3520 3596 b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe 89 PID 3596 wrote to memory of 3520 3596 b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe 89 PID 3596 wrote to memory of 3520 3596 b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe"C:\Users\Admin\AppData\Local\Temp\b9220e18f15660f7649d01f17b9b787982442067449c0f27fce621f365b91edd.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3596 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:3520
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3520 -s 20843⤵
- Program crash
PID:4676
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3596 -s 8522⤵
- Program crash
PID:3220
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3596 -ip 35961⤵PID:4864
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3520 -ip 35201⤵PID:4112