vidar | 67d623696828f77a0c7b9c81960709579c7b95f4c26d569b420ab05bbdf0049d

Analysis

max time kernel
68s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2023, 16:42

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General

Target
file.exe
Size 528KB
Sample230110-t7ncysce21
SHA256 67d623696828f77a0c7b9c81960709579c7b95f4c26d569b420ab05bbdf0049d
MD5 9105e24109392b36a6551e7fcd752973
SHA1 56bc844aa457de6b450cf08c427d534e7331572f
SHA512 cd1682f425b1529d2ac95ace0f2bc13dc89e828f28d4c2b4d0599332c8c25648e3d700156a68cc197e222fc4d717b713826f4a36d1346bbf6c2d35e188c8890f
SSDEEP 12288:0TvwH50cBHpdEfEOYeGB5L+8wpMTB6xW1ZJ8/FcHxSn:ZyIHy8eGfL+zwfG/FwO
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 821 spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

https://t.me/travelticketshop
https://steamcommunity.com/profiles/76561199469016299

Attributes

profile_id
821

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
960	vbc.exe
960	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 4800 set thread context of 960	4800	file.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4340	4800	WerFault.exe	81

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
3616	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
960	vbc.exe
960	vbc.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 960	4800	file.exe	83
PID 4800 wrote to memory of 960	4800	file.exe	83
PID 4800 wrote to memory of 960	4800	file.exe	83
PID 4800 wrote to memory of 960	4800	file.exe	83
PID 4800 wrote to memory of 960	4800	file.exe	83
PID 960 wrote to memory of 4220	960	vbc.exe	92
PID 960 wrote to memory of 4220	960	vbc.exe	92
PID 960 wrote to memory of 4220	960	vbc.exe	92
PID 4220 wrote to memory of 3616	4220	cmd.exe	94
PID 4220 wrote to memory of 3616	4220	cmd.exe	94
PID 4220 wrote to memory of 3616	4220	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4800
- 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:960
- - 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:4220
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:3616
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4800 -s 264
  2⤵
  - Program crash
  PID:4340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4800 -ip 4800
1⤵
PID:828

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

Replay Monitor

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Downloads

mozglue.dll

Path C:\ProgramData\mozglue.dll
Size 133KB
SHA256 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
MD5 8f73c08a9660691143661bf7332c3c27
SHA1 37fa65dd737c50fda710fdbde89e51374d0c204a
SHA512 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
SSDEEP 3072:7Gyzk/x2Wp53pUzPoNpj/kVghp1qt/dXDyp4D2JJJvPhrSeTuk:6yQ2Wp53iO/kVghp12/dXDyyD2JJJvPR
MD5 SHA1 SHA512 SSDEEP

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nss3.dll

Path C:\ProgramData\nss3.dll
Size 1.2MB
SHA256 e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
MD5 bfac4e3c5908856ba17d41edcd455a51
SHA1 8eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA512 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
SSDEEP 24576:Sb5zzlswYNYLVJAwfpeYQ1Dw/fEE8DhSJVIVfRyAkgO6S/V/jbHpls4MSRSMxkoo:4zW5ygDwnEZIYkjgWjblMSRSMqH
MD5 SHA1 SHA512 SSDEEP

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memory/960-133-0x0000000000400000-0x0000000000461000-memory.dmp

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memory/960-139-0x0000000000400000-0x0000000000461000-memory.dmp

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memory/960-140-0x0000000060900000-0x0000000060992000-memory.dmp

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