vidar | 36de150cba3d3477191cbe04958e9f887725df1e2e21a92cb18887620238dea2

Analysis

max time kernel
135s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
15-04-2023 09:25

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General

Target

file.exe
Size

2.2MB
MD5

c06097200ce77e7d68dc2ca18b183096
SHA1

378e60eee98c8407808c05561b144537d0b22731
SHA256

36de150cba3d3477191cbe04958e9f887725df1e2e21a92cb18887620238dea2
SHA512

022cc8ea990c987f95f1c50fbaaa4fd40568722574393183e17fe5bca8ab18f5b5ac44054b3708d616ff5b1065be0da1b6040024edc6ab610e5a908cb9eab2ec
SSDEEP

49152:MqfnQVsS7590/aJKx0Wp8BKgZsj8oZ703EPaaX8nlRMAEL:MqfQjN90/eKuWp8WfZY3naXiMl

Score

10^/10

vidar 76b614a229b9a88f7d0ba57796ab0fc2 evasion spyware stealer themida trojan

Malware Config

Extracted

Family

vidar

Version

3.4

Botnet

76b614a229b9a88f7d0ba57796ab0fc2

https://steamcommunity.com/profiles/76561199494593681

https://t.me/auftriebs

Attributes

profile_id_v2
76b614a229b9a88f7d0ba57796ab0fc2
user_agent
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:105.0) Gecko/20100101 Firefox/105.0

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__	file.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	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.exe

Loads dropped DLL 2 IoCs

pid	Process
1616	jsc.exe
1616	jsc.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/2652-135-0x0000000000780000-0x0000000000D24000-memory.dmp	themida
behavioral2/memory/2652-144-0x0000000000780000-0x0000000000D24000-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	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2652	file.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2652 set thread context of 1616	2652	file.exe	96

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
5004	timeout.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
2652	file.exe
1616	jsc.exe
1616	jsc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	file.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 3564	2652	file.exe	85
PID 2652 wrote to memory of 3564	2652	file.exe	85
PID 2652 wrote to memory of 4536	2652	file.exe	86
PID 2652 wrote to memory of 4536	2652	file.exe	86
PID 2652 wrote to memory of 536	2652	file.exe	87
PID 2652 wrote to memory of 536	2652	file.exe	87
PID 2652 wrote to memory of 1604	2652	file.exe	88
PID 2652 wrote to memory of 1604	2652	file.exe	88
PID 2652 wrote to memory of 2340	2652	file.exe	89
PID 2652 wrote to memory of 2340	2652	file.exe	89
PID 2652 wrote to memory of 1148	2652	file.exe	90
PID 2652 wrote to memory of 1148	2652	file.exe	90
PID 2652 wrote to memory of 1452	2652	file.exe	91
PID 2652 wrote to memory of 1452	2652	file.exe	91
PID 2652 wrote to memory of 1488	2652	file.exe	92
PID 2652 wrote to memory of 1488	2652	file.exe	92
PID 2652 wrote to memory of 4568	2652	file.exe	93
PID 2652 wrote to memory of 4568	2652	file.exe	93
PID 2652 wrote to memory of 1392	2652	file.exe	94
PID 2652 wrote to memory of 1392	2652	file.exe	94
PID 2652 wrote to memory of 1560	2652	file.exe	95
PID 2652 wrote to memory of 1560	2652	file.exe	95
PID 2652 wrote to memory of 1616	2652	file.exe	96
PID 2652 wrote to memory of 1616	2652	file.exe	96
PID 2652 wrote to memory of 1616	2652	file.exe	96
PID 2652 wrote to memory of 1616	2652	file.exe	96
PID 2652 wrote to memory of 1616	2652	file.exe	96
PID 2652 wrote to memory of 1616	2652	file.exe	96
PID 2652 wrote to memory of 1616	2652	file.exe	96
PID 2652 wrote to memory of 1616	2652	file.exe	96
PID 2652 wrote to memory of 1616	2652	file.exe	96
PID 2652 wrote to memory of 1616	2652	file.exe	96
PID 1616 wrote to memory of 764	1616	jsc.exe	103
PID 1616 wrote to memory of 764	1616	jsc.exe	103
PID 1616 wrote to memory of 764	1616	jsc.exe	103
PID 764 wrote to memory of 5004	764	cmd.exe	105
PID 764 wrote to memory of 5004	764	cmd.exe	105
PID 764 wrote to memory of 5004	764	cmd.exe	105

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SMSvcHost.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SMSvcHost.exe"
  2⤵
  PID:3564
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe"
  2⤵
  PID:4536
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ilasm.exe"
  2⤵
  PID:536
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe"
  2⤵
  PID:1604
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngentask.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngentask.exe"
  2⤵
  PID:2340
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Microsoft.Workflow.Compiler.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Microsoft.Workflow.Compiler.exe"
  2⤵
  PID:1148
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe"
  2⤵
  PID:1452
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_wp.exe"
  2⤵
  PID:1488
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe"
  2⤵
  PID:4568
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\CasPol.exe"
  2⤵
  PID:1392
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe"
  2⤵
  PID:1560
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1616
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:764
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:5004

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

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/1616-146-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/1616-212-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/1616-211-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/1616-210-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/1616-157-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/1616-141-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/1616-147-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/1616-145-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2652-138-0x000002359EAC0000-0x000002359EB36000-memory.dmp

Filesize
472KB

Download
memory/2652-144-0x0000000000780000-0x0000000000D24000-memory.dmp

Filesize
5.6MB

Download
memory/2652-140-0x000002359DDD0000-0x000002359DDE0000-memory.dmp

Filesize
64KB

Download
memory/2652-139-0x0000023585750000-0x000002358576E000-memory.dmp

Filesize
120KB

Download
memory/2652-133-0x0000000000780000-0x0000000000D24000-memory.dmp

Filesize
5.6MB

Download
memory/2652-137-0x00007FFF00030000-0x00007FFF00031000-memory.dmp

Filesize
4KB

Download
memory/2652-136-0x00007FFF00000000-0x00007FFF00002000-memory.dmp

Filesize
8KB

Download
memory/2652-135-0x0000000000780000-0x0000000000D24000-memory.dmp

Filesize
5.6MB

Download