vidar | fdf090545751ce09207f7cec140d21d246cb2f25002683e2cd36c92e18707f56

Analysis

max time kernel
3s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2024 01:59

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General

Target

fdf090545751ce09207f7cec140d21d246cb2f25002683e2cd36c92e18707f56.exe
Size

282KB
MD5

3a507b0b6463481cbb8d248efa262ddd
SHA1

97cc6f79eb1352660997a2194d7d3c9e1aff7a0e
SHA256

fdf090545751ce09207f7cec140d21d246cb2f25002683e2cd36c92e18707f56
SHA512

4e0abe7ecd536b25146a663ebc49afd955727d32e2e01a6b7305afec79decbc649e95e841d18e226e346eb4d1e91228c215888c1ffb5363d888f6a1a6fed57a8
SSDEEP

6144:4ELt9KOtbS8O8F+pQ1UUPeZEUA85wR1ffmFSA7aFkHJuNEO:37tbStpixPRUkWB7a0wNEO

Score

10^/10

vidar discovery stealer

Malware Config

Extracted

Family

vidar

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Signatures

Detect Vidar Stealer 7 IoCs

stealer

resource	yara_rule
behavioral2/memory/4512-4-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/4512-8-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/4512-10-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/4512-25-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/4512-26-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/4512-42-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/4512-43-0x0000000000400000-0x0000000000657000-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 632 set thread context of 4512	632	fdf090545751ce09207f7cec140d21d246cb2f25002683e2cd36c92e18707f56.exe	86

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	fdf090545751ce09207f7cec140d21d246cb2f25002683e2cd36c92e18707f56.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4512	RegAsm.exe
4512	RegAsm.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 4512	632	fdf090545751ce09207f7cec140d21d246cb2f25002683e2cd36c92e18707f56.exe	86
PID 632 wrote to memory of 4512	632	fdf090545751ce09207f7cec140d21d246cb2f25002683e2cd36c92e18707f56.exe	86
PID 632 wrote to memory of 4512	632	fdf090545751ce09207f7cec140d21d246cb2f25002683e2cd36c92e18707f56.exe	86
PID 632 wrote to memory of 4512	632	fdf090545751ce09207f7cec140d21d246cb2f25002683e2cd36c92e18707f56.exe	86
PID 632 wrote to memory of 4512	632	fdf090545751ce09207f7cec140d21d246cb2f25002683e2cd36c92e18707f56.exe	86
PID 632 wrote to memory of 4512	632	fdf090545751ce09207f7cec140d21d246cb2f25002683e2cd36c92e18707f56.exe	86
PID 632 wrote to memory of 4512	632	fdf090545751ce09207f7cec140d21d246cb2f25002683e2cd36c92e18707f56.exe	86
PID 632 wrote to memory of 4512	632	fdf090545751ce09207f7cec140d21d246cb2f25002683e2cd36c92e18707f56.exe	86
PID 632 wrote to memory of 4512	632	fdf090545751ce09207f7cec140d21d246cb2f25002683e2cd36c92e18707f56.exe	86
PID 632 wrote to memory of 4512	632	fdf090545751ce09207f7cec140d21d246cb2f25002683e2cd36c92e18707f56.exe	86

C:\Users\Admin\AppData\Local\Temp\fdf090545751ce09207f7cec140d21d246cb2f25002683e2cd36c92e18707f56.exe
"C:\Users\Admin\AppData\Local\Temp\fdf090545751ce09207f7cec140d21d246cb2f25002683e2cd36c92e18707f56.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:632
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/632-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/632-1-0x00000000006A0000-0x00000000006EA000-memory.dmp

Filesize
296KB

Download
memory/632-13-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/632-44-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/4512-4-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4512-8-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4512-10-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4512-25-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4512-26-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4512-27-0x000000001FB50000-0x000000001FDAF000-memory.dmp

Filesize
2.4MB

Download
memory/4512-42-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4512-43-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download