vidar | b5ce6ebd5d620e79cc9ff5fc670aa965761d9539fe5fa6417c4046b0ddfa46c2

General

Target

Unlock_Tool_2.4.rar
Size

43.5MB
MD5

f0010bb07a1d8f0b9e1ca4854dfba35c
SHA1

e36a3878ae1075484c415bdb4fd737d584c6370a
SHA256

c19f7b69713bde5ae56c91147ab1236b03220a81d939726aa9e75fd297559428
SHA512

2c96c05641211aebd2339c1e39514fc079cfe1161e9e2e54e0550a13d01a9af87c845fc67fe69881314036e4cf25a9e6fdfbf5a1ee8ba8611d0615dbd8a244f7
SSDEEP

786432:+DJt2vY5B9Q7r2SsGmu6wWIiO3sQ+aztolqqroZtKcsobkc3O5v+xGbyh1t:IP2vY5WsEKhOZ6lFoPJsol3O52Ebyh1t

Score

10^/10

vidar 23a142269e47ce1692ccc9fb68473bc2 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

23a142269e47ce1692ccc9fb68473bc2

C2

https://steamcommunity.com/profiles/76561199786602107

https://t.me/lpnjoke

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

Detect Vidar Stealer 7 IoCs

stealer

resource	yara_rule
behavioral2/memory/4376-628-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4376-631-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4376-633-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4376-642-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/4376-651-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3148-660-0x0000000000010000-0x0000000000096000-memory.dmp	family_vidar_v7
behavioral2/memory/3148-666-0x0000000000010000-0x0000000000096000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Executes dropped EXE 5 IoCs

pid	Process
1556	Unlock_Tool_2.4.exe
3508	Unlock_Tool_2.4.exe
4376	Unlock_Tool_2.4.exe
3148	Unlock_Tool_2.4.exe
3732	Unlock_Tool_2.4.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
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 2 IoCs

description	pid	Process	procid_target
PID 1556 set thread context of 4376	1556	Unlock_Tool_2.4.exe	100
PID 3148 set thread context of 3732	3148	Unlock_Tool_2.4.exe	107

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 2 IoCs

pid	pid_target	Process	procid_target
548	1556	WerFault.exe	96
1028	3148	WerFault.exe	106

System Location Discovery: System Language Discovery 1 TTPs 3 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	Unlock_Tool_2.4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Unlock_Tool_2.4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Unlock_Tool_2.4.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	Unlock_Tool_2.4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Unlock_Tool_2.4.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	7zFM.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	7zFM.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4376	Unlock_Tool_2.4.exe
4376	Unlock_Tool_2.4.exe
4376	Unlock_Tool_2.4.exe
4376	Unlock_Tool_2.4.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1672	7zFM.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	1672	7zFM.exe
Token: 35	1672	7zFM.exe
Token: SeSecurityPrivilege	1672	7zFM.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1672	7zFM.exe
1672	7zFM.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 3508	1556	Unlock_Tool_2.4.exe	99
PID 1556 wrote to memory of 3508	1556	Unlock_Tool_2.4.exe	99
PID 1556 wrote to memory of 3508	1556	Unlock_Tool_2.4.exe	99
PID 1556 wrote to memory of 4376	1556	Unlock_Tool_2.4.exe	100
PID 1556 wrote to memory of 4376	1556	Unlock_Tool_2.4.exe	100
PID 1556 wrote to memory of 4376	1556	Unlock_Tool_2.4.exe	100
PID 1556 wrote to memory of 4376	1556	Unlock_Tool_2.4.exe	100
PID 1556 wrote to memory of 4376	1556	Unlock_Tool_2.4.exe	100
PID 1556 wrote to memory of 4376	1556	Unlock_Tool_2.4.exe	100
PID 1556 wrote to memory of 4376	1556	Unlock_Tool_2.4.exe	100
PID 1556 wrote to memory of 4376	1556	Unlock_Tool_2.4.exe	100
PID 1556 wrote to memory of 4376	1556	Unlock_Tool_2.4.exe	100
PID 1556 wrote to memory of 4376	1556	Unlock_Tool_2.4.exe	100
PID 3148 wrote to memory of 3732	3148	Unlock_Tool_2.4.exe	107
PID 3148 wrote to memory of 3732	3148	Unlock_Tool_2.4.exe	107
PID 3148 wrote to memory of 3732	3148	Unlock_Tool_2.4.exe	107
PID 3148 wrote to memory of 3732	3148	Unlock_Tool_2.4.exe	107
PID 3148 wrote to memory of 3732	3148	Unlock_Tool_2.4.exe	107
PID 3148 wrote to memory of 3732	3148	Unlock_Tool_2.4.exe	107
PID 3148 wrote to memory of 3732	3148	Unlock_Tool_2.4.exe	107
PID 3148 wrote to memory of 3732	3148	Unlock_Tool_2.4.exe	107
PID 3148 wrote to memory of 3732	3148	Unlock_Tool_2.4.exe	107
PID 3148 wrote to memory of 3732	3148	Unlock_Tool_2.4.exe	107

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_2.4.rar"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1672

C:\Users\Admin\Desktop\Unlock_Tool_2.4.exe
"C:\Users\Admin\Desktop\Unlock_Tool_2.4.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1556
- C:\Users\Admin\Desktop\Unlock_Tool_2.4.exe
  "C:\Users\Admin\Desktop\Unlock_Tool_2.4.exe"
  2⤵
  - Executes dropped EXE
  PID:3508
- C:\Users\Admin\Desktop\Unlock_Tool_2.4.exe
  "C:\Users\Admin\Desktop\Unlock_Tool_2.4.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:4376
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 264
  2⤵
  - Program crash
  PID:548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1556 -ip 1556
1⤵
PID:4924

C:\Users\Admin\Desktop\Unlock_Tool_2.4.exe
"C:\Users\Admin\Desktop\Unlock_Tool_2.4.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3148
- C:\Users\Admin\Desktop\Unlock_Tool_2.4.exe
  "C:\Users\Admin\Desktop\Unlock_Tool_2.4.exe"
  2⤵
  - Executes dropped EXE
  PID:3732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3148 -s 224
  2⤵
  - Program crash
  PID:1028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3148 -ip 3148
1⤵
PID:1216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

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:\Users\Admin\Desktop\Unlock_Tool_2.4.exe

Filesize
523KB

MD5
9322dade271c6d3624bf54034f7af3d0

SHA1
3a60031879c5af72a9165c8f4a73e46f20de4b8d

SHA256
bcbf76090f928f9b226e254875a39fac714ec0834b32059e0ec6d2569e1948c7

SHA512
46bb6fb6470f9eb670d0425995760eec230ff78530cb0deb56ca9b5a5080138228ccd088c0e2a52ad6235289b92174a0398fbcd68070f1ddf26990f4ef4b5232

Download Submit
C:\Users\Admin\Desktop\locales\resources\Data\level4.resS

Filesize
128KB

MD5
64d183ad524dfcd10a7c816fbca3333d

SHA1
5a180d5c1f42a0deaf475b7390755b3c0ecc951c

SHA256
5a666340f42f0f985772024d90a83d15c9a241a68d58205cd4afbb1a31f1621a

SHA512
3cab59dff09981f49d1070fba06a781439bb1ea2dae0cfcb937d9875bbe9e866be2c951cfc6a3ca4a92aea79dd3e9c4792a765f5a06f230a57dabcab2f0b3c1e

Download Submit
memory/1556-626-0x000000000008B000-0x000000000008C000-memory.dmp

Filesize
4KB

Download
memory/3148-660-0x0000000000010000-0x0000000000096000-memory.dmp

Filesize
536KB

Download
memory/3148-666-0x0000000000010000-0x0000000000096000-memory.dmp

Filesize
536KB

Download
memory/4376-628-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4376-631-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4376-633-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4376-642-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/4376-644-0x0000000024DA0000-0x0000000024FFF000-memory.dmp

Filesize
2.4MB

Download
memory/4376-651-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download

Analysis

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