vidar | 1e1a94b620ca832df3db9166c3cdb3e2e4da334c04ed6301a7da4ecea586bb12

General

Target
Setup.exe
Size 451KB
Sample230216-tx3pwsab91
SHA256 1e1a94b620ca832df3db9166c3cdb3e2e4da334c04ed6301a7da4ecea586bb12
MD5 8a1ecc6285229de387aefc6c5d3fc6e3
SHA1 0f2232abd9f6fbe0c29aa0a9c2c93f4532d89f9a
SHA512 358a85c458a36530d7741bd31b368cd676d7913cc02978addd25f868f5cc6a64bdc23e16c9586e76440e84d6151bb74a6e5ec514f8321ae7312d456f4a3fbd1a
SSDEEP 6144:MUGCyZKR2xcdgN8BMStlQfAk/X0DfU/8utzIPrdWspxFoZDf820w7/6Fip6y/OMW:MUGCp7e82fZPMfq3tzWdvoZL92fMBg
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 408 spyware stealer

Malware Config

Extracted

Family

vidar

Version

2.5

Botnet

408

Attributes

profile_id
408

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
2044	AppLaunch.exe
2044	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 1280 set thread context of 2044	1280	Setup.exe	28

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1996	timeout.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2044	AppLaunch.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 2044	1280	Setup.exe	28
PID 1280 wrote to memory of 2044	1280	Setup.exe	28
PID 1280 wrote to memory of 2044	1280	Setup.exe	28
PID 1280 wrote to memory of 2044	1280	Setup.exe	28
PID 1280 wrote to memory of 2044	1280	Setup.exe	28
PID 1280 wrote to memory of 2044	1280	Setup.exe	28
PID 1280 wrote to memory of 2044	1280	Setup.exe	28
PID 1280 wrote to memory of 2044	1280	Setup.exe	28
PID 1280 wrote to memory of 2044	1280	Setup.exe	28
PID 2044 wrote to memory of 1228	2044	AppLaunch.exe	32
PID 2044 wrote to memory of 1228	2044	AppLaunch.exe	32
PID 2044 wrote to memory of 1228	2044	AppLaunch.exe	32
PID 2044 wrote to memory of 1228	2044	AppLaunch.exe	32
PID 2044 wrote to memory of 1228	2044	AppLaunch.exe	32
PID 2044 wrote to memory of 1228	2044	AppLaunch.exe	32
PID 2044 wrote to memory of 1228	2044	AppLaunch.exe	32
PID 1228 wrote to memory of 1996	1228	cmd.exe	34
PID 1228 wrote to memory of 1996	1228	cmd.exe	34
PID 1228 wrote to memory of 1996	1228	cmd.exe	34
PID 1228 wrote to memory of 1996	1228	cmd.exe	34
PID 1228 wrote to memory of 1996	1228	cmd.exe	34
PID 1228 wrote to memory of 1996	1228	cmd.exe	34
PID 1228 wrote to memory of 1996	1228	cmd.exe	34

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:1280
- 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
  - Suspicious use of WriteProcessMemory
  PID:2044
- - 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\AppLaunch.exe" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1228
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:1996

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

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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memory/1280-54-0x0000000075601000-0x0000000075603000-memory.dmp

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memory/2044-55-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/2044-57-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/2044-64-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/2044-66-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/2044-67-0x00000000511D0000-0x00000000512C3000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads