vidar | f5d0c083bcd73094d1c995ce77f0730514f34e7ea0bb7e620127949dac19b6aa

Analysis

max time kernel
70s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
17/10/2022, 05:09

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General

Target
524cc1a874c98799380f0b0a470aa3e0.exe
Size 291KB
Sample221017-fs5f2aahbn
SHA256 f5d0c083bcd73094d1c995ce77f0730514f34e7ea0bb7e620127949dac19b6aa
MD5 524cc1a874c98799380f0b0a470aa3e0
SHA1 a1ed8416d489abb01b4582de35dba26cb4f756a3
SHA512 b971e08936998d233767b0d7e0c26e38438248dddc72fc037d47076399cf551c3e0a43bbe75e2da73a5e3a7692e2d75c3d3ed5661fc466e3c48ce78fae273375
SSDEEP 6144:4zHkL0L9eTo2Zc70CtQdD5Zr3sHuWd1xz0A:4gALSo2Zq07dNZbsHu6q
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 1636 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

1636

https://t.me/truewallets
https://mas.to/@zara99
http://116.203.10.3:80

Attributes

profile_id
1636

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
4136	4683068065.exe
1196	96064945023312115490.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	524cc1a874c98799380f0b0a470aa3e0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	4683068065.exe

Loads dropped DLL 2 IoCs

pid	Process
4136	4683068065.exe
4136	4683068065.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1988	3404	WerFault.exe	82

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	4683068065.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	4683068065.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3700	timeout.exe

Kills process with taskkill 2 IoCs

evasion

pid	Process
928	taskkill.exe
4356	taskkill.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4136	4683068065.exe
4136	4683068065.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	928	taskkill.exe
Token: SeDebugPrivilege	4356	taskkill.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3404 wrote to memory of 4536	3404	524cc1a874c98799380f0b0a470aa3e0.exe	87
PID 3404 wrote to memory of 4536	3404	524cc1a874c98799380f0b0a470aa3e0.exe	87
PID 3404 wrote to memory of 4536	3404	524cc1a874c98799380f0b0a470aa3e0.exe	87
PID 4536 wrote to memory of 4136	4536	cmd.exe	89
PID 4536 wrote to memory of 4136	4536	cmd.exe	89
PID 4536 wrote to memory of 4136	4536	cmd.exe	89
PID 3404 wrote to memory of 3168	3404	524cc1a874c98799380f0b0a470aa3e0.exe	90
PID 3404 wrote to memory of 3168	3404	524cc1a874c98799380f0b0a470aa3e0.exe	90
PID 3404 wrote to memory of 3168	3404	524cc1a874c98799380f0b0a470aa3e0.exe	90
PID 3168 wrote to memory of 928	3168	cmd.exe	93
PID 3168 wrote to memory of 928	3168	cmd.exe	93
PID 3168 wrote to memory of 928	3168	cmd.exe	93
PID 4136 wrote to memory of 1196	4136	4683068065.exe	98
PID 4136 wrote to memory of 1196	4136	4683068065.exe	98
PID 4136 wrote to memory of 1196	4136	4683068065.exe	98
PID 4136 wrote to memory of 4512	4136	4683068065.exe	101
PID 4136 wrote to memory of 4512	4136	4683068065.exe	101
PID 4136 wrote to memory of 4512	4136	4683068065.exe	101
PID 4512 wrote to memory of 4356	4512	cmd.exe	103
PID 4512 wrote to memory of 4356	4512	cmd.exe	103
PID 4512 wrote to memory of 4356	4512	cmd.exe	103
PID 4512 wrote to memory of 3700	4512	cmd.exe	105
PID 4512 wrote to memory of 3700	4512	cmd.exe	105
PID 4512 wrote to memory of 3700	4512	cmd.exe	105

C:\Users\Admin\AppData\Local\Temp\524cc1a874c98799380f0b0a470aa3e0.exe
"C:\Users\Admin\AppData\Local\Temp\524cc1a874c98799380f0b0a470aa3e0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\4683068065.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4536
- - C:\Users\Admin\AppData\Local\Temp\4683068065.exe
    "C:\Users\Admin\AppData\Local\Temp\4683068065.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4136
  - - C:\ProgramData\96064945023312115490.exe
      "C:\ProgramData\96064945023312115490.exe"
      4⤵
      Executes dropped EXE
      PID:1196
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" °¹Ü&8þÛ&à›j/c taskkill /im 4683068065.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\4683068065.exe" & del C:\PrograData\*.dll & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4512
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /im 4683068065.exe /f
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:4356
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        5⤵
        Delays execution with timeout.exe
        
        PID:3700
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "524cc1a874c98799380f0b0a470aa3e0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\524cc1a874c98799380f0b0a470aa3e0.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3168
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "524cc1a874c98799380f0b0a470aa3e0.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:928
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3404 -s 1484
  2⤵
  - Program crash
  PID:1988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3404 -ip 3404
1⤵
PID:2804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 4136 -ip 4136
1⤵
PID:3112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

96064945023312115490.exe

Path C:\ProgramData\96064945023312115490.exe
Size 573KB
SHA256 45abe3709ed09f49f44fee4ff26593a07ad5ddb811d775d4d17923916d807cd1
MD5 a9ea01e920c8449741b83f8b9bad7662
SHA1 6b88b9a1983c3ea224e4b41aaaa8e091272b200f
SHA512 805a9ce81539456d9b34c72cf7b213c9e8c7f192dd661844a24cea1a510f860dd9e163597eb82d776095954881d7ab895b2f5c12d6e639d943e510a698d7bade
SSDEEP 12288:2j0PgZYBKwLuM472hsKDfVB1JCMRGHzqx1:2zZY3u5yhsKDCMRGm
MD5 SHA1 SHA512 SSDEEP

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96064945023312115490.exe

Path C:\ProgramData\96064945023312115490.exe
Size 573KB
SHA256 45abe3709ed09f49f44fee4ff26593a07ad5ddb811d775d4d17923916d807cd1
MD5 a9ea01e920c8449741b83f8b9bad7662
SHA1 6b88b9a1983c3ea224e4b41aaaa8e091272b200f
SHA512 805a9ce81539456d9b34c72cf7b213c9e8c7f192dd661844a24cea1a510f860dd9e163597eb82d776095954881d7ab895b2f5c12d6e639d943e510a698d7bade
SSDEEP 12288:2j0PgZYBKwLuM472hsKDfVB1JCMRGHzqx1:2zZY3u5yhsKDCMRGm
MD5 SHA1 SHA512 SSDEEP

Submit Download

mozglue.dll

Path C:\ProgramData\mozglue.dll
Size 593KB
SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
MD5 c8fd9be83bc728cc04beffafc2907fe9
SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
SSDEEP 12288:BlSyAom/gcRKMdRm4wFkRHuyG4RRGJVDjMk/x21R8gY/r:BKgcRKMdRm4wFkVVDGJVv//x21R8br
MD5 SHA1 SHA512 SSDEEP

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nss3.dll

Path C:\ProgramData\nss3.dll
Size 2.0MB
SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
MD5 1cc453cdf74f31e4d913ff9c10acdde2
SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
SSDEEP 49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr
MD5 SHA1 SHA512 SSDEEP

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4683068065.exe

Path C:\Users\Admin\AppData\Local\Temp\4683068065.exe
Size 339KB
SHA256 c49d8ae89b85269d0cf680f32ea48178e7bab56879b7f4682d17e107af99e3f8
MD5 0ec8c92921dd42395ef873022b860be4
SHA1 bce00935f5ae90d2dc6c3217da65580bb3247743
SHA512 c110a0ad8d8c72afb1dcd0f05e75fe6c2932365c2977de47834b257494151dcf928ba6fa8cd1530715c9cf1048cf899c27e1e6fb842af177d843d253b0af5d8a
SSDEEP 6144:xhXLiFzUrzHUF2LZvJu1SnzLMnijLIo03tHVD+R:xhX2FzUrzVLZ+gHai/q3t1C
MD5 SHA1 SHA512 SSDEEP

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4683068065.exe

Path C:\Users\Admin\AppData\Local\Temp\4683068065.exe
Size 339KB
SHA256 c49d8ae89b85269d0cf680f32ea48178e7bab56879b7f4682d17e107af99e3f8
MD5 0ec8c92921dd42395ef873022b860be4
SHA1 bce00935f5ae90d2dc6c3217da65580bb3247743
SHA512 c110a0ad8d8c72afb1dcd0f05e75fe6c2932365c2977de47834b257494151dcf928ba6fa8cd1530715c9cf1048cf899c27e1e6fb842af177d843d253b0af5d8a
SSDEEP 6144:xhXLiFzUrzHUF2LZvJu1SnzLMnijLIo03tHVD+R:xhX2FzUrzVLZ+gHai/q3t1C
MD5 SHA1 SHA512 SSDEEP

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memory/3404-134-0x0000000000400000-0x000000000044D000-memory.dmp

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memory/3404-141-0x0000000000832000-0x0000000000856000-memory.dmp

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memory/3404-133-0x00000000005A0000-0x00000000005DC000-memory.dmp

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memory/3404-142-0x0000000000400000-0x000000000044D000-memory.dmp

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memory/3404-132-0x0000000000832000-0x0000000000856000-memory.dmp

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memory/4136-145-0x0000000000400000-0x0000000000469000-memory.dmp

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memory/4136-146-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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memory/4136-144-0x0000000000A80000-0x0000000000AD4000-memory.dmp

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memory/4136-171-0x0000000000400000-0x0000000000469000-memory.dmp

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memory/4136-143-0x000000000060E000-0x000000000063D000-memory.dmp

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