vidar | 50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968f34bb5bfb3c64a00722

Analysis

max time kernel
44s
max time network
104s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
24/10/2022, 16:31

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General

Target
50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe
Size 338KB
Sample221024-t1c9eahffk
SHA256 50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968f34bb5bfb3c64a00722
MD5 14c57b9f9d9fd0dfdd6941cd396f447a
SHA1 679f2196a71b5007c4ed5a1888dc2a08af554ac5
SHA512 374c826db5a7f3e636b65e98e2dd12bed57ce80db5d8f1965ad9ae13333846fca3fb3138f7cfbb8843c4f78b0b8c5cab451a1af94e9594e45e042ba8cc2520a4
SSDEEP 6144:YP6xDNLw490VaEKQ7DbT1tnihYkbv584AeTPkxnOkJTluFUR9ZR:YP6xJxKVaEKQ7D1gPbvq74sLTlqG
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 517 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

55.2

Botnet

https://t.me/slivetalks
https://c.im/@xinibin420

Attributes

profile_id
517

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

Deletes itself 1 IoCs

pid	Process
1336	cmd.exe

Loads dropped DLL 3 IoCs

pid	Process
1252	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe
1252	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe
1252	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1768 set thread context of 1252	1768	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe	27

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

System Information Discovery
T1082

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	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
916	timeout.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1252	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 1252	1768	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe	27
PID 1768 wrote to memory of 1252	1768	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe	27
PID 1768 wrote to memory of 1252	1768	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe	27
PID 1768 wrote to memory of 1252	1768	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe	27
PID 1768 wrote to memory of 1252	1768	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe	27
PID 1768 wrote to memory of 1252	1768	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe	27
PID 1768 wrote to memory of 1252	1768	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe	27
PID 1768 wrote to memory of 1252	1768	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe	27
PID 1768 wrote to memory of 1252	1768	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe	27
PID 1768 wrote to memory of 1252	1768	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe	27
PID 1252 wrote to memory of 1336	1252	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe	30
PID 1252 wrote to memory of 1336	1252	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe	30
PID 1252 wrote to memory of 1336	1252	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe	30
PID 1252 wrote to memory of 1336	1252	50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe	30
PID 1336 wrote to memory of 916	1336	cmd.exe	32
PID 1336 wrote to memory of 916	1336	cmd.exe	32
PID 1336 wrote to memory of 916	1336	cmd.exe	32
PID 1336 wrote to memory of 916	1336	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe
"C:\Users\Admin\AppData\Local\Temp\50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Users\Admin\AppData\Local\Temp\50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe
  "C:\Users\Admin\AppData\Local\Temp\50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1252
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\50b4e60ae4821dc249f2a2c2477818f0736a23a8f8968.exe" & exit
    3⤵
    - Deletes itself
    - Suspicious use of WriteProcessMemory
    PID:1336
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:916

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

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Downloads

mozglue.dll

Path \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 \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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sqlite3.dll

Path \ProgramData\sqlite3.dll
Size 1.1MB
SHA256 4841020c8bd06b08fde6e44cbe2e2ab33439e1c8368e936ec5b00dc0584f7260
MD5 1f44d4d3087c2b202cf9c90ee9d04b0f
SHA1 106a3ebc9e39ab6ddb3ff987efb6527c956f192d
SHA512 b614c72a3c1ce681ebffa628e29aa50275cc80ca9267380960c5198ea4d0a3f2df6cfb7275491d220bad72f14fc94e6656501e9a061d102fb11e00cfda2beb45
SSDEEP 12288:dxylSMUMifofI9ayCvcZMBiMjCodEMdo8R66tCWko5+jsbFcoYuprzpGSgGSrz:d4AMB3caSZMijBI1CWkoj5auF5gGSrz
MD5 SHA1 SHA512 SSDEEP

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memory/1252-61-0x0000000075931000-0x0000000075933000-memory.dmp

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memory/1252-60-0x0000000000400000-0x000000000045E000-memory.dmp

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memory/1252-62-0x0000000000400000-0x000000000045E000-memory.dmp

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memory/1252-55-0x0000000000400000-0x000000000045E000-memory.dmp

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memory/1252-67-0x0000000000400000-0x000000000045E000-memory.dmp

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memory/1768-54-0x00000000002C8000-0x00000000002F4000-memory.dmp

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memory/1768-59-0x00000000003B0000-0x00000000003F9000-memory.dmp

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memory/1768-57-0x00000000002C8000-0x00000000002F4000-memory.dmp

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