vidar | 867acada5e2a7723085e439a6d89226e69af216f719d6001db13bbe04e95f54e

Analysis

max time kernel
100s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
16/11/2022, 17:19

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General

Target
Setup.exe
Size 6.1MB
Sample221116-vvtvmscb69
SHA256 867acada5e2a7723085e439a6d89226e69af216f719d6001db13bbe04e95f54e
MD5 506be70852e70cea556cb51720fb594f
SHA1 5531ffa016232f264a02c65a74f88effc825ca91
SHA512 4a8e47a86c49e4a8c22cbaa673922b065ba37d50d903961f12ecb1275eafc6df2d882aa4ef9565a9f9bd21879461c5357891f3382ba50ba332c3abffb1daae3b
SSDEEP 196608:5mwS70AIDe/o0qd8OmkRD3A4a0uXx4mgj:5m0AUsVqd/vRD3A0uB
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 1696 evasion spyware stealer themida trojan

Malware Config

Extracted

Family

vidar

Version

55.7

Botnet

1696

https://t.me/hkjkkiiioo
https://t.me/asndmadas19

Attributes

profile_id
1696

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
3892	InstallUtil.exe
3892	InstallUtil.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/1768-135-0x0000000000CE0000-0x0000000001C1C000-memory.dmp	themida
behavioral2/memory/1768-137-0x0000000000CE0000-0x0000000001C1C000-memory.dmp	themida
behavioral2/memory/1768-146-0x0000000000CE0000-0x0000000001C1C000-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

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
1768	Setup.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1768 set thread context of 3892	1768	Setup.exe	87

Program crash 1 IoCs

pid	pid_target	Process	procid_target
440	1768	WerFault.exe	79

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
3892	InstallUtil.exe
3892	InstallUtil.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 3892	1768	Setup.exe	87
PID 1768 wrote to memory of 3892	1768	Setup.exe	87
PID 1768 wrote to memory of 3892	1768	Setup.exe	87
PID 1768 wrote to memory of 3892	1768	Setup.exe	87
PID 1768 wrote to memory of 3892	1768	Setup.exe	87
PID 1768 wrote to memory of 3892	1768	Setup.exe	87
PID 1768 wrote to memory of 3892	1768	Setup.exe	87
PID 1768 wrote to memory of 3892	1768	Setup.exe	87
PID 1768 wrote to memory of 3892	1768	Setup.exe	87

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
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1768
- 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:3892
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1768 -s 1144
  2⤵
  - Program crash
  PID:440

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 412 -p 1768 -ip 1768
1⤵
PID:3344

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

mozglue.dll

Path C:\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

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nss3.dll

Path C:\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/1768-145-0x00007FFDDFAD0000-0x00007FFDE0591000-memory.dmp

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memory/1768-132-0x0000000000CE0000-0x0000000001C1C000-memory.dmp

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memory/1768-137-0x0000000000CE0000-0x0000000001C1C000-memory.dmp

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memory/1768-138-0x00007FFDDFAD0000-0x00007FFDE0591000-memory.dmp

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memory/1768-133-0x0000000000CE0000-0x0000000001C1C000-memory.dmp

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memory/1768-136-0x00007FFDFE5F0000-0x00007FFDFE7E5000-memory.dmp

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memory/1768-135-0x0000000000CE0000-0x0000000001C1C000-memory.dmp

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memory/1768-147-0x00007FFDDFAD0000-0x00007FFDE0591000-memory.dmp

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memory/1768-146-0x0000000000CE0000-0x0000000001C1C000-memory.dmp

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memory/1768-144-0x00007FFDFE5F0000-0x00007FFDFE7E5000-memory.dmp

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memory/3892-143-0x0000000000400000-0x000000000045F000-memory.dmp

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memory/3892-142-0x0000000000400000-0x000000000045F000-memory.dmp

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memory/3892-148-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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memory/3892-141-0x0000000000400000-0x000000000045F000-memory.dmp

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memory/3892-139-0x0000000000400000-0x000000000045F000-memory.dmp

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memory/3892-168-0x0000000000400000-0x000000000045F000-memory.dmp

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