vidar | 203b08962eba219761690043281f81fc2d6e1fa26702bfa4ad30d9849b267309

Analysis

max time kernel
85s
max time network
83s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
12/02/2023, 11:16

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General

Target
H&M Advertising contract and Payment information.pdf.scr.exe
Size 1.5MB
Sample230212-nc5e4ade52
SHA256 203b08962eba219761690043281f81fc2d6e1fa26702bfa4ad30d9849b267309
MD5 6651a257a47812c9fcf64788e9835a76
SHA1 d8b1f57af289a0f364b440dbb401e209201a92a2
SHA512 552be932171b2a2272f0d3f5d1a13cf86b463aa3f69355c8eb5fb15f8161e94b6d31505ee50582ba155ce19577ab1c787b16c6885a617d24c6b1dd7f987eb85a
SSDEEP 12288:amvBcT9ref86xSX41QuvPp7Gh8ThsMEXCIQ6jL:pvKT9r6Y4iwPp7JVsMEysn
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 907 spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

Attributes

profile_id
907

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
1816	vbc.exe
1816	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
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 SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1224 set thread context of 1816	1224	H&M Advertising contract and Payment information.pdf.scr.exe	28

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1828	timeout.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1816	vbc.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 1816	1224	H&M Advertising contract and Payment information.pdf.scr.exe	28
PID 1224 wrote to memory of 1816	1224	H&M Advertising contract and Payment information.pdf.scr.exe	28
PID 1224 wrote to memory of 1816	1224	H&M Advertising contract and Payment information.pdf.scr.exe	28
PID 1224 wrote to memory of 1816	1224	H&M Advertising contract and Payment information.pdf.scr.exe	28
PID 1224 wrote to memory of 1816	1224	H&M Advertising contract and Payment information.pdf.scr.exe	28
PID 1224 wrote to memory of 1816	1224	H&M Advertising contract and Payment information.pdf.scr.exe	28
PID 1224 wrote to memory of 1816	1224	H&M Advertising contract and Payment information.pdf.scr.exe	28
PID 1224 wrote to memory of 1816	1224	H&M Advertising contract and Payment information.pdf.scr.exe	28
PID 1224 wrote to memory of 1816	1224	H&M Advertising contract and Payment information.pdf.scr.exe	28
PID 1224 wrote to memory of 1816	1224	H&M Advertising contract and Payment information.pdf.scr.exe	28
PID 1816 wrote to memory of 1216	1816	vbc.exe	32
PID 1816 wrote to memory of 1216	1816	vbc.exe	32
PID 1816 wrote to memory of 1216	1816	vbc.exe	32
PID 1816 wrote to memory of 1216	1816	vbc.exe	32
PID 1216 wrote to memory of 1828	1216	cmd.exe	34
PID 1216 wrote to memory of 1828	1216	cmd.exe	34
PID 1216 wrote to memory of 1828	1216	cmd.exe	34
PID 1216 wrote to memory of 1828	1216	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\H&M Advertising contract and Payment information.pdf.scr.exe
"C:\Users\Admin\AppData\Local\Temp\H&M Advertising contract and Payment information.pdf.scr.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1816
- - 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\vbc.exe" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1216
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:1828

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

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

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

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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/1224-54-0x0000000000D20000-0x0000000000DF2000-memory.dmp

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memory/1816-60-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/1816-62-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/1816-64-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/1816-67-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/1816-68-0x0000000076041000-0x0000000076043000-memory.dmp

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memory/1816-69-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/1816-70-0x00000000511F0000-0x00000000512E3000-memory.dmp

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memory/1816-58-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/1816-56-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/1816-55-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/1816-91-0x0000000000400000-0x0000000000472000-memory.dmp

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