vidar | f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063

General

Target

f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe
Size

5.3MB
MD5

990824b28b1db8f0e38bec6aebeaf1b2
SHA1

75b2904f3481e5468e3076b842ff529b23e2d20b
SHA256

f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063
SHA512

8a8637b4c50c9f92d42a4bae02dbe8e19d7867d91a542b95916d8de88eaf1dba5e7ede0b82934d6015e90d6b355a0193bfe6a941ffbb72ba97f9ee7e59c172f8
SSDEEP

98304:bz+UuR7m7n5+OPAZU+leHfQkjA1JAE5lPKn4m/V38fque1VIL:h8yn5+vZ6ALKnjyfRUI

Score

10^/10

vidar 348bd4740381edfdd4d5e8143ef4a08e discovery evasion spyware stealer themida trojan

Malware Config

Extracted

Family

vidar

Version

5.7

Botnet

348bd4740381edfdd4d5e8143ef4a08e

C2

https://steamcommunity.com/profiles/76561199553369541

https://t.me/dastanatg

Attributes

profile_id_v2
348bd4740381edfdd4d5e8143ef4a08e
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_8) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.7 Safari/605.1.75

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

Processes:

f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.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

Processes:

f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe

Loads dropped DLL 2 IoCs

Processes:

f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe

pid	process
4488	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe
4488	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.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
T1552.001

Themida packer 11 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/4488-0-0x00000000005A0000-0x0000000000FAD000-memory.dmp	themida
behavioral2/memory/4488-1-0x00000000005A0000-0x0000000000FAD000-memory.dmp	themida
behavioral2/memory/4488-7-0x00000000005A0000-0x0000000000FAD000-memory.dmp	themida
behavioral2/memory/4488-8-0x00000000005A0000-0x0000000000FAD000-memory.dmp	themida
behavioral2/memory/4488-9-0x00000000005A0000-0x0000000000FAD000-memory.dmp	themida
behavioral2/memory/4488-10-0x00000000005A0000-0x0000000000FAD000-memory.dmp	themida
behavioral2/memory/4488-11-0x00000000005A0000-0x0000000000FAD000-memory.dmp	themida
behavioral2/memory/4488-12-0x00000000005A0000-0x0000000000FAD000-memory.dmp	themida
behavioral2/memory/4488-13-0x00000000005A0000-0x0000000000FAD000-memory.dmp	themida
behavioral2/memory/4488-14-0x00000000005A0000-0x0000000000FAD000-memory.dmp	themida
behavioral2/memory/4488-68-0x00000000005A0000-0x0000000000FAD000-memory.dmp	themida

Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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

Processes:

f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe

pid process

4488 f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2388 4488 WerFault.exe f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe

pid	pid_target	process	target process
2388	4488	WerFault.exe	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.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:

f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe

pid	process
4488	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe
4488	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe
4488	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe
4488	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe

C:\Users\Admin\AppData\Local\Temp\f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.exe
"C:\Users\Admin\AppData\Local\Temp\f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063_JC.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
PID:4488
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 1884
  2⤵
  - Program crash
  PID:2388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4488 -ip 4488
1⤵
PID:4496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

4

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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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/4488-10-0x00000000005A0000-0x0000000000FAD000-memory.dmp

Filesize
10.1MB

Download
memory/4488-7-0x00000000005A0000-0x0000000000FAD000-memory.dmp

Filesize
10.1MB

Download
memory/4488-8-0x00000000005A0000-0x0000000000FAD000-memory.dmp

Filesize
10.1MB

Download
memory/4488-9-0x00000000005A0000-0x0000000000FAD000-memory.dmp

Filesize
10.1MB

Download
memory/4488-0-0x00000000005A0000-0x0000000000FAD000-memory.dmp

Filesize
10.1MB

Download
memory/4488-11-0x00000000005A0000-0x0000000000FAD000-memory.dmp

Filesize
10.1MB

Download
memory/4488-12-0x00000000005A0000-0x0000000000FAD000-memory.dmp

Filesize
10.1MB

Download
memory/4488-13-0x00000000005A0000-0x0000000000FAD000-memory.dmp

Filesize
10.1MB

Download
memory/4488-14-0x00000000005A0000-0x0000000000FAD000-memory.dmp

Filesize
10.1MB

Download
memory/4488-24-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4488-6-0x0000000077234000-0x0000000077236000-memory.dmp

Filesize
8KB

Download
memory/4488-1-0x00000000005A0000-0x0000000000FAD000-memory.dmp

Filesize
10.1MB

Download
memory/4488-68-0x00000000005A0000-0x0000000000FAD000-memory.dmp

Filesize
10.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads