vidar | d12d5083ce7afb1d81db8145482489404e6a02bb2c652ded4572b9ba4d9cd8e1

Analysis

max time kernel
180s
max time network
188s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
08/12/2022, 14:35

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General

Target
Setup.exe
Size 780KB
Sample221208-rx1jesac64
SHA256 d12d5083ce7afb1d81db8145482489404e6a02bb2c652ded4572b9ba4d9cd8e1
MD5 72cb46fc068ae9873c76fd17efb4db7f
SHA1 ba3fce8fb344da7adc460bec02cd8ca21f580b88
SHA512 73df0b97678f05c89254902fded8f447f346f7f38bdba5db4507eac470e16f209a32109465be36afc57de0d4c15f5e813e4ce356ef221da7bb8031f4f2201860
SSDEEP 24576:HyGuO95zmcYnvUNIATq80Fpw+c1Kd5HT:HyMzfSvU1qPFpwBo
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 1821 spyware stealer

Malware Config

Extracted

Family

vidar

Version

56.1

Botnet

1821

https://t.me/dishasta
https://steamcommunity.com/profiles/76561199441933804

Attributes

profile_id
1821

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
4456	InstallUtil.exe
4456	InstallUtil.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 2 IoCs

pid	Process
1512	Setup.exe
1512	Setup.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1512 set thread context of 4456	1512	Setup.exe	78

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1760	4456	WerFault.exe	78

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2700	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4456	InstallUtil.exe
4456	InstallUtil.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 4456	1512	Setup.exe	78
PID 1512 wrote to memory of 4456	1512	Setup.exe	78
PID 1512 wrote to memory of 4456	1512	Setup.exe	78
PID 1512 wrote to memory of 4456	1512	Setup.exe	78
PID 1512 wrote to memory of 4456	1512	Setup.exe	78
PID 1512 wrote to memory of 4456	1512	Setup.exe	78
PID 1512 wrote to memory of 4456	1512	Setup.exe	78
PID 1512 wrote to memory of 4456	1512	Setup.exe	78
PID 1512 wrote to memory of 4456	1512	Setup.exe	78
PID 1512 wrote to memory of 4456	1512	Setup.exe	78
PID 4456 wrote to memory of 2104	4456	InstallUtil.exe	87
PID 4456 wrote to memory of 2104	4456	InstallUtil.exe	87
PID 4456 wrote to memory of 2104	4456	InstallUtil.exe	87
PID 2104 wrote to memory of 2700	2104	cmd.exe	90
PID 2104 wrote to memory of 2700	2104	cmd.exe	90
PID 2104 wrote to memory of 2700	2104	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1512
- 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
  - Suspicious use of WriteProcessMemory
  PID:4456
- - 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\InstallUtil.exe" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2104
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:2700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 1852
    3⤵
    - Program crash
    PID:1760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 4456 -ip 4456
1⤵
PID:2616

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

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/1512-133-0x00007FF91DE10000-0x00007FF91E8D1000-memory.dmp

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memory/1512-136-0x00007FF91DE10000-0x00007FF91E8D1000-memory.dmp

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memory/1512-132-0x000001297DC10000-0x000001297DD98000-memory.dmp

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memory/1512-141-0x00007FF91DE10000-0x00007FF91E8D1000-memory.dmp

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memory/4456-143-0x0000000000400000-0x0000000000464000-memory.dmp

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memory/4456-144-0x0000000060900000-0x0000000060992000-memory.dmp

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memory/4456-142-0x0000000000400000-0x0000000000464000-memory.dmp

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memory/4456-140-0x0000000000400000-0x0000000000464000-memory.dmp

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memory/4456-139-0x0000000000400000-0x0000000000464000-memory.dmp

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memory/4456-137-0x0000000000400000-0x0000000000464000-memory.dmp

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memory/4456-167-0x0000000000400000-0x0000000000464000-memory.dmp

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