vidar | 6ca0732c155a15f67928a38c9c9ba8b2f08fb5e90fa38332b94b0457607c208b

Analysis

max time kernel
81s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2023, 17:24

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General

Target

OriginalBuild.exe
Size

234KB
MD5

4851971e37ce8cd2b61a795780b7d4b5
SHA1

eab1b044ddb4df43660b96cf8000e6b0bacf9f6e
SHA256

6ca0732c155a15f67928a38c9c9ba8b2f08fb5e90fa38332b94b0457607c208b
SHA512

82bbaa0f15206a2322a75d20571baf20c5e7e91c6cc5e1d4fdc1aebc36624c2da7cefa036e7bf6d1e0252a914e705631829cc12ade308f872ffe008b7c8731de
SSDEEP

3072:Yiwwb6hYh8zBR4FGTy8YkMwjmalLUZ7d+a+4alnzr1AXwBdR+6dO6drF4OogCY14:dY+hxl6pi4lnzr8wBWr692c1IOq

Score

10^/10

vidar 028224d8754aad544d9c102ba2ac630c spyware stealer

Malware Config

Extracted

Family

vidar

Version

3.3

Botnet

028224d8754aad544d9c102ba2ac630c

https://steamcommunity.com/profiles/76561199492257783

https://t.me/justsometg

Attributes

profile_id_v2
028224d8754aad544d9c102ba2ac630c
user_agent
Mozilla/5.0 (X11; Linux 3.5.4-1-ARCH i686; es) KHTML/4.9.1 (like Gecko) Konqueror/4.9

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

Blocklisted process makes network request 1 IoCs

flow	pid	Process
13	1000	powershell.exe

Loads dropped DLL 2 IoCs

pid	Process
848	aspnet_compiler.exe
848	aspnet_compiler.exe

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

Suspicious use of NtSetInformationThreadHideFromDebugger 20 IoCs

pid	Process
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1000 set thread context of 848	1000	powershell.exe	92

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2164	timeout.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe
1000	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1000	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3456 wrote to memory of 1000	3456	OriginalBuild.exe	85
PID 3456 wrote to memory of 1000	3456	OriginalBuild.exe	85
PID 3456 wrote to memory of 1000	3456	OriginalBuild.exe	85
PID 1000 wrote to memory of 836	1000	powershell.exe	91
PID 1000 wrote to memory of 836	1000	powershell.exe	91
PID 1000 wrote to memory of 836	1000	powershell.exe	91
PID 1000 wrote to memory of 848	1000	powershell.exe	92
PID 1000 wrote to memory of 848	1000	powershell.exe	92
PID 1000 wrote to memory of 848	1000	powershell.exe	92
PID 1000 wrote to memory of 848	1000	powershell.exe	92
PID 1000 wrote to memory of 848	1000	powershell.exe	92
PID 1000 wrote to memory of 848	1000	powershell.exe	92
PID 1000 wrote to memory of 848	1000	powershell.exe	92
PID 1000 wrote to memory of 848	1000	powershell.exe	92
PID 1000 wrote to memory of 848	1000	powershell.exe	92
PID 848 wrote to memory of 4260	848	aspnet_compiler.exe	95
PID 848 wrote to memory of 4260	848	aspnet_compiler.exe	95
PID 848 wrote to memory of 4260	848	aspnet_compiler.exe	95
PID 4260 wrote to memory of 2164	4260	cmd.exe	97
PID 4260 wrote to memory of 2164	4260	cmd.exe	97
PID 4260 wrote to memory of 2164	4260	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\OriginalBuild.exe
"C:\Users\Admin\AppData\Local\Temp\OriginalBuild.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3456
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:/Windows/SysWOW64/WindowsPowerShell/v1.0/powershell.exe"
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1000
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    C:\Windows\Microsoft.NET/Framework/v4.0.30319/aspnet_compiler.exe
    3⤵
    PID:836
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    C:\Windows\Microsoft.NET/Framework/v4.0.30319/aspnet_compiler.exe
    3⤵
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    PID:848
  - - 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\aspnet_compiler.exe" & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4260
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        5⤵
        Delays execution with timeout.exe
        
        PID:2164

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

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
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5ehonclq.1s5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/848-247-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/848-246-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/848-245-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/848-177-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/848-163-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/848-162-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/848-161-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/848-160-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1000-140-0x0000000005380000-0x0000000005390000-memory.dmp

Filesize
64KB

Download
memory/1000-142-0x0000000005890000-0x00000000058B2000-memory.dmp

Filesize
136KB

Download
memory/1000-154-0x0000000006870000-0x000000000688E000-memory.dmp

Filesize
120KB

Download
memory/1000-155-0x0000000006DA0000-0x0000000006DE4000-memory.dmp

Filesize
272KB

Download
memory/1000-156-0x0000000007960000-0x00000000079D6000-memory.dmp

Filesize
472KB

Download
memory/1000-157-0x0000000005380000-0x0000000005390000-memory.dmp

Filesize
64KB

Download
memory/1000-158-0x0000000008060000-0x00000000086DA000-memory.dmp

Filesize
6.5MB

Download
memory/1000-159-0x0000000007A00000-0x0000000007A1A000-memory.dmp

Filesize
104KB

Download
memory/1000-143-0x0000000005930000-0x0000000005996000-memory.dmp

Filesize
408KB

Download
memory/1000-149-0x0000000006220000-0x0000000006286000-memory.dmp

Filesize
408KB

Download
memory/1000-141-0x0000000005380000-0x0000000005390000-memory.dmp

Filesize
64KB

Download
memory/1000-138-0x00000000052A0000-0x00000000052D6000-memory.dmp

Filesize
216KB

Download
memory/1000-139-0x00000000059C0000-0x0000000005FE8000-memory.dmp

Filesize
6.2MB

Download
memory/3456-166-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/3456-133-0x00000000001C0000-0x00000000001FC000-memory.dmp

Filesize
240KB

Download
memory/3456-137-0x0000000004BA0000-0x0000000004BAA000-memory.dmp

Filesize
40KB

Download
memory/3456-136-0x0000000004E70000-0x0000000004E80000-memory.dmp

Filesize
64KB

Download
memory/3456-135-0x0000000004BE0000-0x0000000004C72000-memory.dmp

Filesize
584KB

Download
memory/3456-134-0x0000000005190000-0x0000000005734000-memory.dmp

Filesize
5.6MB

Download