vidar | 12b053ff554ab6a4db909b0ee33f419b09f1f0f8a6612ae9773db3451e6d166a

General

Target

e3ab1a19bbe6091e10550086c676e189.exe
Size

2.0MB
MD5

e3ab1a19bbe6091e10550086c676e189
SHA1

2d70248fc6fec261971b4b74c09794d55239e8f5
SHA256

12b053ff554ab6a4db909b0ee33f419b09f1f0f8a6612ae9773db3451e6d166a
SHA512

1ffe050189a14f9cbd1faa7390463d0ed39e8ca0270d21796017cf216539436149c82d5ce7d1b65b7661afd7a756b34cb86c6615bc7c11041a122f1c600c8b85
SSDEEP

12288:ItI83H5skVTTE5ZhYBZ4AZa7tbsQDysckC0eh9/5z9:IpsLOBZ4oaDen

Score

10^/10

vidar 694 spyware stealer

Malware Config

Extracted

Family

vidar

Version

2.4

Botnet

694

Attributes

profile_id
694

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Loads dropped DLL 2 IoCs

Processes:

vbc.exe

pid process

1724 vbc.exe
1724 vbc.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
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

Processes:

e3ab1a19bbe6091e10550086c676e189.exe

description pid process target process

PID 788 set thread context of 1724 788 e3ab1a19bbe6091e10550086c676e189.exe vbc.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1020 788 WerFault.exe e3ab1a19bbe6091e10550086c676e189.exe

pid	process
1724	vbc.exe
1724	vbc.exe

description	pid	process	target process
PID 788 set thread context of 1724	788	e3ab1a19bbe6091e10550086c676e189.exe	vbc.exe

pid	pid_target	process	target process
1020	788	WerFault.exe	e3ab1a19bbe6091e10550086c676e189.exe

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

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	vbc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	vbc.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1096 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

vbc.exe

pid process

1724 vbc.exe

pid	process
1096	timeout.exe

pid	process
1724	vbc.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

e3ab1a19bbe6091e10550086c676e189.exevbc.execmd.exe

description	pid	process	target process
PID 788 wrote to memory of 1724	788	e3ab1a19bbe6091e10550086c676e189.exe	vbc.exe
PID 788 wrote to memory of 1724	788	e3ab1a19bbe6091e10550086c676e189.exe	vbc.exe
PID 788 wrote to memory of 1724	788	e3ab1a19bbe6091e10550086c676e189.exe	vbc.exe
PID 788 wrote to memory of 1724	788	e3ab1a19bbe6091e10550086c676e189.exe	vbc.exe
PID 788 wrote to memory of 1724	788	e3ab1a19bbe6091e10550086c676e189.exe	vbc.exe
PID 788 wrote to memory of 1724	788	e3ab1a19bbe6091e10550086c676e189.exe	vbc.exe
PID 788 wrote to memory of 1020	788	e3ab1a19bbe6091e10550086c676e189.exe	WerFault.exe
PID 788 wrote to memory of 1020	788	e3ab1a19bbe6091e10550086c676e189.exe	WerFault.exe
PID 788 wrote to memory of 1020	788	e3ab1a19bbe6091e10550086c676e189.exe	WerFault.exe
PID 788 wrote to memory of 1020	788	e3ab1a19bbe6091e10550086c676e189.exe	WerFault.exe
PID 1724 wrote to memory of 1444	1724	vbc.exe	cmd.exe
PID 1724 wrote to memory of 1444	1724	vbc.exe	cmd.exe
PID 1724 wrote to memory of 1444	1724	vbc.exe	cmd.exe
PID 1724 wrote to memory of 1444	1724	vbc.exe	cmd.exe
PID 1444 wrote to memory of 1096	1444	cmd.exe	timeout.exe
PID 1444 wrote to memory of 1096	1444	cmd.exe	timeout.exe
PID 1444 wrote to memory of 1096	1444	cmd.exe	timeout.exe
PID 1444 wrote to memory of 1096	1444	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\e3ab1a19bbe6091e10550086c676e189.exe
"C:\Users\Admin\AppData\Local\Temp\e3ab1a19bbe6091e10550086c676e189.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:788

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1724

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\vbc.exe" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:1444

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
4⤵
- Delays execution with timeout.exe
PID:1096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 788 -s 48
2⤵
- Program crash
PID:1020

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/788-66-0x0000000001120000-0x0000000001324000-memory.dmp

Filesize
2.0MB

Download
memory/1020-64-0x0000000000000000-mapping.dmp

Download
memory/1096-88-0x0000000000000000-mapping.dmp

Download
memory/1444-87-0x0000000000000000-mapping.dmp

Download
memory/1724-54-0x0000000000330000-0x00000000003A2000-memory.dmp

Filesize
456KB

Download
memory/1724-56-0x0000000000330000-0x00000000003A2000-memory.dmp

Filesize
456KB

Download
memory/1724-62-0x0000000000362ACC-mapping.dmp

Download
memory/1724-63-0x0000000000330000-0x00000000003A2000-memory.dmp

Filesize
456KB

Download
memory/1724-65-0x00000000763D1000-0x00000000763D3000-memory.dmp

Filesize
8KB

Download
memory/1724-67-0x0000000050D70000-0x0000000050E63000-memory.dmp

Filesize
972KB

Download

Analysis

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