vidar | 7f874e1018fb27609df79be210c6b4345246dd3559577afc56c561879da1dd4b

General

Target

AnyDesk_x64x32/AnyDesk_x64x32.exe
Size

745.2MB
MD5

5956d3d9c0cdd930cf7754cfc194feaf
SHA1

0ab481033c4d03850c8426a636d9c6d542d3546a
SHA256

9349e45e03aa3efff2c32e8987dd905ec618f80083e43c9e06f997fe52dfd7c7
SHA512

31b2157bb4bdf43948fa700a2720a97f95df4d158a69df14eab334dfc9594dc3f6c29bdccef65dbe7358bcfed129c51c43c3a6b614bfc9d187e18b0475822d8f
SSDEEP

98304:JQrLZQrLAmaY70kUpqnT/0FH1Bj81K0sFCHnkcCemOU+ltwiSqfqdNZvJbhr4H:JULZULAQ7ZTr0FH1BAoFOZPfq/S

Score

10^/10

vidar 1678 evasion spyware stealer themida trojan

Malware Config

Extracted

Family

vidar

Version

55.8

Botnet

1678

C2

https://t.me/paysotr_france

Attributes

profile_id
1678

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:

AnyDesk_x64x32.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ AnyDesk_x64x32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	AnyDesk_x64x32.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:

AnyDesk_x64x32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	AnyDesk_x64x32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	AnyDesk_x64x32.exe

Loads dropped DLL 2 IoCs

Processes:

jsc.exe

pid process

4680 jsc.exe
4680 jsc.exe

pid	process
4680	jsc.exe
4680	jsc.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/2332-135-0x0000000000D30000-0x0000000001780000-memory.dmp	themida
behavioral2/memory/2332-136-0x0000000000D30000-0x0000000001780000-memory.dmp	themida
behavioral2/memory/2332-144-0x0000000000D30000-0x0000000001780000-memory.dmp	themida

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 whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

AnyDesk_x64x32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA AnyDesk_x64x32.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

AnyDesk_x64x32.exe

pid process

2332 AnyDesk_x64x32.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

AnyDesk_x64x32.exe

description pid process target process

PID 2332 set thread context of 4680 2332 AnyDesk_x64x32.exe jsc.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	AnyDesk_x64x32.exe

pid	process
2332	AnyDesk_x64x32.exe

description	pid	process	target process
PID 2332 set thread context of 4680	2332	AnyDesk_x64x32.exe	jsc.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:

jsc.exe

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

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2256 timeout.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

jsc.exe

pid process

4680 jsc.exe
4680 jsc.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

AnyDesk_x64x32.exe

description pid process

Token: SeDebugPrivilege 2332 AnyDesk_x64x32.exe

pid	process
2256	timeout.exe

pid	process
4680	jsc.exe
4680	jsc.exe

description	pid	process
Token: SeDebugPrivilege	2332	AnyDesk_x64x32.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

AnyDesk_x64x32.exejsc.execmd.exe

description	pid	process	target process
PID 2332 wrote to memory of 4680	2332	AnyDesk_x64x32.exe	jsc.exe
PID 2332 wrote to memory of 4680	2332	AnyDesk_x64x32.exe	jsc.exe
PID 2332 wrote to memory of 4680	2332	AnyDesk_x64x32.exe	jsc.exe
PID 2332 wrote to memory of 4680	2332	AnyDesk_x64x32.exe	jsc.exe
PID 2332 wrote to memory of 4680	2332	AnyDesk_x64x32.exe	jsc.exe
PID 2332 wrote to memory of 4680	2332	AnyDesk_x64x32.exe	jsc.exe
PID 2332 wrote to memory of 4680	2332	AnyDesk_x64x32.exe	jsc.exe
PID 2332 wrote to memory of 4680	2332	AnyDesk_x64x32.exe	jsc.exe
PID 2332 wrote to memory of 4680	2332	AnyDesk_x64x32.exe	jsc.exe
PID 4680 wrote to memory of 3524	4680	jsc.exe	cmd.exe
PID 4680 wrote to memory of 3524	4680	jsc.exe	cmd.exe
PID 4680 wrote to memory of 3524	4680	jsc.exe	cmd.exe
PID 3524 wrote to memory of 2256	3524	cmd.exe	timeout.exe
PID 3524 wrote to memory of 2256	3524	cmd.exe	timeout.exe
PID 3524 wrote to memory of 2256	3524	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\AnyDesk_x64x32\AnyDesk_x64x32.exe
"C:\Users\Admin\AppData\Local\Temp\AnyDesk_x64x32\AnyDesk_x64x32.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2332

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4680

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\jsc.exe" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:3524

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
4⤵
- Delays execution with timeout.exe
PID:2256

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

3

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

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/2256-169-0x0000000000000000-mapping.dmp

Download
memory/2332-135-0x0000000000D30000-0x0000000001780000-memory.dmp

Filesize
10.3MB

Download
memory/2332-136-0x0000000000D30000-0x0000000001780000-memory.dmp

Filesize
10.3MB

Download
memory/2332-137-0x00007FF9846A0000-0x00007FF985161000-memory.dmp

Filesize
10.8MB

Download
memory/2332-146-0x00007FF9A37F0000-0x00007FF9A39E5000-memory.dmp

Filesize
2.0MB

Download
memory/2332-134-0x00007FF9A37F0000-0x00007FF9A39E5000-memory.dmp

Filesize
2.0MB

Download
memory/2332-133-0x0000000000D30000-0x0000000001780000-memory.dmp

Filesize
10.3MB

Download
memory/2332-132-0x0000000000D30000-0x0000000001780000-memory.dmp

Filesize
10.3MB

Download
memory/2332-143-0x00007FF9A37F0000-0x00007FF9A39E5000-memory.dmp

Filesize
2.0MB

Download
memory/2332-144-0x0000000000D30000-0x0000000001780000-memory.dmp

Filesize
10.3MB

Download
memory/2332-145-0x00007FF9846A0000-0x00007FF985161000-memory.dmp

Filesize
10.8MB

Download
memory/3524-167-0x0000000000000000-mapping.dmp

Download
memory/4680-142-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4680-147-0x000000006EEF0000-0x000000006EFE3000-memory.dmp

Filesize
972KB

Download
memory/4680-141-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4680-140-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4680-139-0x000000000042344C-mapping.dmp

Download
memory/4680-168-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4680-138-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads