vidar | 8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-09-2024 06:22

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General

Target

8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe
Size

273KB
MD5

2f842ee33e83b7488aac9e18e8635ae0
SHA1

ee0d26c2d8347b9fdb6250fc538a9ef84a3fecc9
SHA256

8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002
SHA512

1d07306bd7da18b741daed86ec04a4006236b6ac516ca3f6cc2a0da357446e48e3d6e04d787168466ce535841db74c8966c0e6c79541347fae8ad00b2d5d4779
SSDEEP

6144:aIuTTw0fmOIfxuMscuogkuAoKhWZD38J+w6MGwbqlVhHD4j3YxS:ynw0h8uMscTjroKhWZDi+onbql0joxS

Score

10^/10

vidar credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

https://t.me/edm0d

https://steamcommunity.com/profiles/

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 9 IoCs

stealer

resource	yara_rule
behavioral1/memory/2316-12-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral1/memory/2316-18-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral1/memory/2316-15-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral1/memory/2316-8-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral1/memory/2316-7-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral1/memory/2316-9-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral1/memory/2524-13-0x0000000002350000-0x0000000004350000-memory.dmp	family_vidar_v7
behavioral1/memory/2316-70-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral1/memory/2316-69-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2524 set thread context of 2316	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
776	timeout.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	RegAsm.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	RegAsm.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2316	RegAsm.exe
2316	RegAsm.exe
2316	RegAsm.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2328	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	31
PID 2524 wrote to memory of 2328	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	31
PID 2524 wrote to memory of 2328	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	31
PID 2524 wrote to memory of 2328	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	31
PID 2524 wrote to memory of 2328	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	31
PID 2524 wrote to memory of 2328	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	31
PID 2524 wrote to memory of 2328	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	31
PID 2524 wrote to memory of 2316	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	32
PID 2524 wrote to memory of 2316	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	32
PID 2524 wrote to memory of 2316	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	32
PID 2524 wrote to memory of 2316	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	32
PID 2524 wrote to memory of 2316	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	32
PID 2524 wrote to memory of 2316	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	32
PID 2524 wrote to memory of 2316	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	32
PID 2524 wrote to memory of 2316	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	32
PID 2524 wrote to memory of 2316	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	32
PID 2524 wrote to memory of 2316	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	32
PID 2524 wrote to memory of 2316	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	32
PID 2524 wrote to memory of 2316	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	32
PID 2524 wrote to memory of 2316	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	32
PID 2524 wrote to memory of 2316	2524	8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe	32
PID 2316 wrote to memory of 2456	2316	RegAsm.exe	35
PID 2316 wrote to memory of 2456	2316	RegAsm.exe	35
PID 2316 wrote to memory of 2456	2316	RegAsm.exe	35
PID 2316 wrote to memory of 2456	2316	RegAsm.exe	35
PID 2456 wrote to memory of 776	2456	cmd.exe	37
PID 2456 wrote to memory of 776	2456	cmd.exe	37
PID 2456 wrote to memory of 776	2456	cmd.exe	37
PID 2456 wrote to memory of 776	2456	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe
"C:\Users\Admin\AppData\Local\Temp\8a4096ddb9a26c4e9eddd3ebd12c6eacbe1c3e3cb50aaf768ca84d77421b5002N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2328
- 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
  - Checks processor information in registry
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe" & rd /s /q "C:\ProgramData\HCBGDGCAAKJE" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2456
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabB119.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB13B.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2316-5-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2316-7-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2316-69-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2316-18-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2316-15-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2316-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2316-8-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2316-12-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2316-6-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2316-9-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2316-70-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2316-4-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2524-13-0x0000000002350000-0x0000000004350000-memory.dmp

Filesize
32.0MB

Download
memory/2524-1-0x0000000000F00000-0x0000000000F4A000-memory.dmp

Filesize
296KB

Download
memory/2524-0-0x000000007411E000-0x000000007411F000-memory.dmp

Filesize
4KB

Download
memory/2524-16-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download