vidar | ad7e6c626cc86651b7d4dcc12d75852df91f669fb097eced45967fc8c7ae12a8

Analysis

max time kernel
135s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
15/05/2023, 00:41

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General

Target

file.exe
Size

2.4MB
MD5

ea3117221a3f32361ac11237b2ca1010
SHA1

ba7faca67a6e73446645cbcc55035671a1ded54e
SHA256

ad7e6c626cc86651b7d4dcc12d75852df91f669fb097eced45967fc8c7ae12a8
SHA512

444d98c77eefb1036c1ef62bab4175f7f7747c1eaef73c9777090b01fbb23afd5877eb4ab40d781d94a0dd4e3650ce652be57695fe46cb1f0a82f61dc36e58a3
SSDEEP

24576:69ZVG1gbHqxv/FGD9rHzoKh01Irki5ianp/JMOPdMQJjBTZTvMMsRi5I7dwpAc:Cso97zwqYqJv/t7vsuGwpAc

Score

10^/10

vidar bc730fff484789f7a109d0ff3ef71135 spyware stealer

Malware Config

Extracted

Family

vidar

Version

3.8

Botnet

bc730fff484789f7a109d0ff3ef71135

https://steamcommunity.com/profiles/76561198272578552

https://t.me/libpcre

Attributes

profile_id_v2
bc730fff484789f7a109d0ff3ef71135
user_agent
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36 Vivaldi/3.7

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
3136	InstallUtil.exe
3136	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 4972 set thread context of 3136	4972	file.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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3136	InstallUtil.exe
3136	InstallUtil.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 3136	4972	file.exe	82
PID 4972 wrote to memory of 3136	4972	file.exe	82
PID 4972 wrote to memory of 3136	4972	file.exe	82
PID 4972 wrote to memory of 3136	4972	file.exe	82
PID 4972 wrote to memory of 3136	4972	file.exe	82
PID 4972 wrote to memory of 3136	4972	file.exe	82
PID 4972 wrote to memory of 3136	4972	file.exe	82
PID 4972 wrote to memory of 3136	4972	file.exe	82
PID 4972 wrote to memory of 3136	4972	file.exe	82
PID 4972 wrote to memory of 3136	4972	file.exe	82

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4972
- 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
  PID:3136

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

C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/3136-135-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/3136-137-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/3136-138-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/3136-139-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/3136-149-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3136-202-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/3136-203-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/3136-204-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/4972-133-0x0000024DE27D0000-0x0000024DE2A30000-memory.dmp

Filesize
2.4MB

Download
memory/4972-134-0x0000024DFCF90000-0x0000024DFD03A000-memory.dmp

Filesize
680KB

Download