vidar | 1b9b20bf3cb028faa65a0a93602711ac4402ddf4c22b3708bd9e1246b65f6cd8

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
24/09/2023, 02:00

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General

Target
f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe
Size 5.3MB
Sample230924-cfcnpsde45
SHA256 f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063
MD5 990824b28b1db8f0e38bec6aebeaf1b2
SHA1 75b2904f3481e5468e3076b842ff529b23e2d20b
SHA512 8a8637b4c50c9f92d42a4bae02dbe8e19d7867d91a542b95916d8de88eaf1dba5e7ede0b82934d6015e90d6b355a0193bfe6a941ffbb72ba97f9ee7e59c172f8
SSDEEP 98304:bz+UuR7m7n5+OPAZU+leHfQkjA1JAE5lPKn4m/V38fque1VIL:h8yn5+vZ6ALKnjyfRUI
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 348bd4740381edfdd4d5e8143ef4a08e discovery evasion spyware stealer themida trojan

Malware Config

Extracted

Family

vidar

Version

Botnet

348bd4740381edfdd4d5e8143ef4a08e

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.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	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe

Deletes itself 1 IoCs

pid	Process
1824	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
2232	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe
2232	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.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 13 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2232-0-0x0000000000370000-0x0000000000D7D000-memory.dmp	themida
behavioral1/memory/2232-1-0x0000000000370000-0x0000000000D7D000-memory.dmp	themida
behavioral1/memory/2232-7-0x0000000000370000-0x0000000000D7D000-memory.dmp	themida
behavioral1/memory/2232-8-0x0000000000370000-0x0000000000D7D000-memory.dmp	themida
behavioral1/memory/2232-9-0x0000000000370000-0x0000000000D7D000-memory.dmp	themida
behavioral1/memory/2232-10-0x0000000000370000-0x0000000000D7D000-memory.dmp	themida
behavioral1/memory/2232-11-0x0000000000370000-0x0000000000D7D000-memory.dmp	themida
behavioral1/memory/2232-12-0x0000000000370000-0x0000000000D7D000-memory.dmp	themida
behavioral1/memory/2232-13-0x0000000000370000-0x0000000000D7D000-memory.dmp	themida
behavioral1/memory/2232-14-0x0000000000370000-0x0000000000D7D000-memory.dmp	themida
behavioral1/memory/2232-62-0x0000000000370000-0x0000000000D7D000-memory.dmp	themida
behavioral1/memory/2232-63-0x0000000000370000-0x0000000000D7D000-memory.dmp	themida
behavioral1/memory/2232-101-0x0000000000370000-0x0000000000D7D000-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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2232	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe

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

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	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2708	timeout.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2232	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe
2232	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 1824	2232	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe	30
PID 2232 wrote to memory of 1824	2232	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe	30
PID 2232 wrote to memory of 1824	2232	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe	30
PID 2232 wrote to memory of 1824	2232	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe	30
PID 1824 wrote to memory of 2708	1824	cmd.exe	32
PID 1824 wrote to memory of 2708	1824	cmd.exe	32
PID 1824 wrote to memory of 2708	1824	cmd.exe	32
PID 1824 wrote to memory of 2708	1824	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe
"C:\Users\Admin\AppData\Local\Temp\f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.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
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1824
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Virtualization/Sandbox Evasion

T1497

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

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

Cab647F.tmp

Path C:\Users\Admin\AppData\Local\Temp\Cab647F.tmp
Size 61KB
SHA256 6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
MD5 f3441b8572aae8801c04f3060b550443
SHA1 4ef0a35436125d6821831ef36c28ffaf196cda15
SHA512 5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9
SSDEEP 1536:RfhMeKBlsociYZAT+4oGNk2rb2oX3bUH+uOlEU:RhV0WXvAa4XNoeudU
MD5 SHA1 SHA512 SSDEEP

Submit Download

Tar64D0.tmp

Path C:\Users\Admin\AppData\Local\Temp\Tar64D0.tmp
Size 163KB
SHA256 bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
MD5 9441737383d21192400eca82fda910ec
SHA1 725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA512 7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf
SSDEEP 1536:AA8JXlCUs0RvWqgCyPW5BXNWdm1wpyru2/3EwjYoz0VDTrubmt6t+:AtJXq0RuXCyfdmAyru2/RAKtU
MD5 SHA1 SHA512 SSDEEP

Submit Download

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

Submit Download

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/2232-8-0x0000000000370000-0x0000000000D7D000-memory.dmp

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memory/2232-0-0x0000000000370000-0x0000000000D7D000-memory.dmp

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memory/2232-10-0x0000000000370000-0x0000000000D7D000-memory.dmp

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memory/2232-11-0x0000000000370000-0x0000000000D7D000-memory.dmp

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memory/2232-12-0x0000000000370000-0x0000000000D7D000-memory.dmp

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memory/2232-13-0x0000000000370000-0x0000000000D7D000-memory.dmp

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memory/2232-14-0x0000000000370000-0x0000000000D7D000-memory.dmp

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memory/2232-9-0x0000000000370000-0x0000000000D7D000-memory.dmp

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memory/2232-7-0x0000000000370000-0x0000000000D7D000-memory.dmp

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memory/2232-62-0x0000000000370000-0x0000000000D7D000-memory.dmp

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memory/2232-63-0x0000000000370000-0x0000000000D7D000-memory.dmp

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memory/2232-64-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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memory/2232-6-0x0000000077210000-0x0000000077212000-memory.dmp

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memory/2232-1-0x0000000000370000-0x0000000000D7D000-memory.dmp

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memory/2232-101-0x0000000000370000-0x0000000000D7D000-memory.dmp

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