vidar | 25973e904b1bcfe98a83e2b20e801b8e0781889bc61e238df4066ad7944a2829

Resubmissions

02/12/2022, 04:06

221202-en6ymacb27 10

29/11/2022, 08:17

221129-j625lsbf28 10

28/11/2022, 08:49

221128-krf49sah64 10

24/11/2022, 09:42

221124-lpgtfshe6t 10

Analysis

max time kernel
181s
max time network
301s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
28/11/2022, 08:49

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General

Target

Setup.exe
Size

402.5MB
MD5

067d3c879130afc47174ba47b13e43ac
SHA1

7a904662e1b30d84ef00011d5b5fb41eda3d338e
SHA256

6f82b1cf599c76bc579116a448fc4140b73074593fde03ac4848b55e63486eaf
SHA512

663b0744020e5ef0e8e5f327e98471df6225153e2dadc02eb602461332d462cf1c00189c9179ccd4024b1138dd4cd984f2a43ab81ea4f2db889f9913c8fc34c8
SSDEEP

98304:SdJ+IoM2/A0pVUyCl4wG5VAc8UqsCOyS87SSstVC3aV:SdgIH2/A0pVBEcNQS87SX0aV

Score

10^/10

vidar 1364 discovery evasion spyware stealer trojan

Malware Config

Extracted

Family

vidar

Version

55.8

Botnet

1364

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes

profile_id
1364

Signatures

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

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Setup.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS 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\SystemBiosVersion	Setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Setup.exe

Loads dropped DLL 2 IoCs

pid	Process
1068	Setup.exe
1068	Setup.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Setup.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1068	Setup.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1068	Setup.exe
1068	Setup.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 652	1068	Setup.exe	30
PID 1068 wrote to memory of 652	1068	Setup.exe	30
PID 1068 wrote to memory of 652	1068	Setup.exe	30
PID 1068 wrote to memory of 652	1068	Setup.exe	30

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Setup.exe" & exit
  2⤵
  PID:652

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

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/1068-60-0x0000000000400000-0x0000000000E4E000-memory.dmp

Filesize
10.3MB

Download
memory/1068-58-0x0000000000400000-0x0000000000E4E000-memory.dmp

Filesize
10.3MB

Download
memory/1068-59-0x0000000077DB0000-0x0000000077F30000-memory.dmp

Filesize
1.5MB

Download
memory/1068-54-0x00000000767B1000-0x00000000767B3000-memory.dmp

Filesize
8KB

Download
memory/1068-61-0x0000000000400000-0x0000000000E4E000-memory.dmp

Filesize
10.3MB

Download
memory/1068-62-0x0000000000400000-0x0000000000E4E000-memory.dmp

Filesize
10.3MB

Download
memory/1068-63-0x0000000077DB0000-0x0000000077F30000-memory.dmp

Filesize
1.5MB

Download
memory/1068-64-0x000000004ACF0000-0x000000004ADE3000-memory.dmp

Filesize
972KB

Download
memory/1068-57-0x0000000000400000-0x0000000000E4E000-memory.dmp

Filesize
10.3MB

Download
memory/1068-56-0x0000000000400000-0x0000000000E4E000-memory.dmp

Filesize
10.3MB

Download
memory/1068-55-0x0000000000400000-0x0000000000E4E000-memory.dmp

Filesize
10.3MB

Download