vidar | 73a4ca1224bc4657443596157d3ce150bcd4b6dd32217f2467818c7efea4ee43

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 05:15

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General

Target
0c615bf643adf8de5c843f709ead8a9e.exe
Size 615KB
Sample221204-fxrezaaa92
SHA256 73a4ca1224bc4657443596157d3ce150bcd4b6dd32217f2467818c7efea4ee43
MD5 0c615bf643adf8de5c843f709ead8a9e
SHA1 2890f1a178424574aaff0c9c50bdcec7bba7eec1
SHA512 cfe2bc672228793a7d04173fe366b91bb7ce492ba7db3bafe09334dc2cd0f11460d75ab3810f52ba2b5192cbd4e3d443267853101b54a18e423063bbae502b0f
SSDEEP 12288:lr5URapBDnHf7BTvABrtt/S6TwmZd0z9wlNdqlDMj03hBcUlG:/Uw/tMB7/+idZDdqlY0RBcUM
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 1364 spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

1364

https://t.me/asifrazatg
https://steamcommunity.com/profiles/76561199439929669

Attributes

profile_id
1364

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
2496	InstallUtil.exe
2496	InstallUtil.exe

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4772 set thread context of 2496	4772	0c615bf643adf8de5c843f709ead8a9e.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	InstallUtil.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	InstallUtil.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
792	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2496	InstallUtil.exe
2496	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4772	0c615bf643adf8de5c843f709ead8a9e.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 2496	4772	0c615bf643adf8de5c843f709ead8a9e.exe	82
PID 4772 wrote to memory of 2496	4772	0c615bf643adf8de5c843f709ead8a9e.exe	82
PID 4772 wrote to memory of 2496	4772	0c615bf643adf8de5c843f709ead8a9e.exe	82
PID 4772 wrote to memory of 2496	4772	0c615bf643adf8de5c843f709ead8a9e.exe	82
PID 4772 wrote to memory of 2496	4772	0c615bf643adf8de5c843f709ead8a9e.exe	82
PID 4772 wrote to memory of 2496	4772	0c615bf643adf8de5c843f709ead8a9e.exe	82
PID 4772 wrote to memory of 2496	4772	0c615bf643adf8de5c843f709ead8a9e.exe	82
PID 4772 wrote to memory of 2496	4772	0c615bf643adf8de5c843f709ead8a9e.exe	82
PID 4772 wrote to memory of 2496	4772	0c615bf643adf8de5c843f709ead8a9e.exe	82
PID 4772 wrote to memory of 2496	4772	0c615bf643adf8de5c843f709ead8a9e.exe	82
PID 2496 wrote to memory of 4220	2496	InstallUtil.exe	83
PID 2496 wrote to memory of 4220	2496	InstallUtil.exe	83
PID 2496 wrote to memory of 4220	2496	InstallUtil.exe	83
PID 4220 wrote to memory of 792	4220	cmd.exe	85
PID 4220 wrote to memory of 792	4220	cmd.exe	85
PID 4220 wrote to memory of 792	4220	cmd.exe	85

C:\Users\Admin\AppData\Local\Temp\0c615bf643adf8de5c843f709ead8a9e.exe
"C:\Users\Admin\AppData\Local\Temp\0c615bf643adf8de5c843f709ead8a9e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4772
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2496
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4220
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:792

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

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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memory/2496-137-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/2496-138-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/2496-140-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/2496-141-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/2496-142-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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memory/2496-135-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/2496-163-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/4772-132-0x0000021FADC90000-0x0000021FADD2C000-memory.dmp

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memory/4772-139-0x00007FFC60ED0000-0x00007FFC61991000-memory.dmp

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memory/4772-134-0x00007FFC60ED0000-0x00007FFC61991000-memory.dmp

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memory/4772-133-0x00007FFC60ED0000-0x00007FFC61991000-memory.dmp

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