vidar | e282e8a40a9f9c66e32ff63aa62ea236f642110e79047a3c3d00428df09536a6

Analysis

max time kernel
123s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
16/02/2023, 16:50

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General

Target
Setup.exe
Size 455KB
Sample230216-vb858aaf66
SHA256 e282e8a40a9f9c66e32ff63aa62ea236f642110e79047a3c3d00428df09536a6
MD5 46ced715071c8e998a019ec544790ed1
SHA1 0f67f728da0c67ec820d378e589675db03e948df
SHA512 26e5988211adb4d8d6899f9545f2b7a25b5e34fdfe775d713087f041392b3fc40eef07ae6deb13e4fc4b68fd9d40d7f03a83516eb44568ff57076fa5d6415385
SSDEEP 12288:OyAELcw3oMjkYvQUbsO15e82fZPMfq3tzWdvoZL9RfMBy:OC15iEidzWRoZ30By
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 408 spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

Attributes

profile_id
408

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
1824	AppLaunch.exe
1824	AppLaunch.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 2540 set thread context of 1824	2540	Setup.exe	81

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2024	1824	WerFault.exe	81

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1824	AppLaunch.exe
1824	AppLaunch.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 1824	2540	Setup.exe	81
PID 2540 wrote to memory of 1824	2540	Setup.exe	81
PID 2540 wrote to memory of 1824	2540	Setup.exe	81
PID 2540 wrote to memory of 1824	2540	Setup.exe	81
PID 2540 wrote to memory of 1824	2540	Setup.exe	81

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:1824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1824 -s 1916
    3⤵
    - Program crash
    PID:2024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1824 -ip 1824
1⤵
PID:548

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/1824-133-0x0000000000170000-0x00000000001E2000-memory.dmp

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memory/1824-139-0x0000000000170000-0x00000000001E2000-memory.dmp

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memory/1824-140-0x0000000050B90000-0x0000000050C83000-memory.dmp

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