vidar | 3f577a96247e908ae5812fc07c3fea0673ff0f5ca47c0bdaf74920ae849d4147

Analysis

max time kernel
69s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2022, 09:23

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General

Target
file.exe
Size 345KB
Sample221226-lcf2dscg28
SHA256 3f577a96247e908ae5812fc07c3fea0673ff0f5ca47c0bdaf74920ae849d4147
MD5 b1440fcc0a482459d0f01dec71a89cd7
SHA1 e09f64550bece475a89fdd93451e2bcae9c635af
SHA512 484e440fb38b7dd5117c52cd59544a148063cc6a5a4c81429c8ba4b37f0715ada1c6e844d3159b8bb30edf17554e6c82a0f436d6ecc81371e94e2455b1be8dcd
SSDEEP 6144:1LvPCilj4/W/Y87NSJ8kA6ZsfHtK88xWybIr:1Ljj4t870j1ZsfQ8r
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 24 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

https://t.me/robloxblackl
https://steamcommunity.com/profiles/76561199458928097

Attributes

profile_id
24

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
3476	23423963326242666307.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	file.exe

Loads dropped DLL 2 IoCs

pid	Process
2148	file.exe
2148	file.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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 installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3476 set thread context of 1712	3476	23423963326242666307.exe	94

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3980	2148	WerFault.exe	80

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1812	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2148	file.exe
2148	file.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3476	23423963326242666307.exe
Token: SeDebugPrivilege	1712	AppLaunch.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 3476	2148	file.exe	87
PID 2148 wrote to memory of 3476	2148	file.exe	87
PID 2148 wrote to memory of 3476	2148	file.exe	87
PID 2148 wrote to memory of 4928	2148	file.exe	89
PID 2148 wrote to memory of 4928	2148	file.exe	89
PID 2148 wrote to memory of 4928	2148	file.exe	89
PID 4928 wrote to memory of 1812	4928	cmd.exe	92
PID 4928 wrote to memory of 1812	4928	cmd.exe	92
PID 4928 wrote to memory of 1812	4928	cmd.exe	92
PID 3476 wrote to memory of 1712	3476	23423963326242666307.exe	94
PID 3476 wrote to memory of 1712	3476	23423963326242666307.exe	94
PID 3476 wrote to memory of 1712	3476	23423963326242666307.exe	94
PID 3476 wrote to memory of 1712	3476	23423963326242666307.exe	94
PID 3476 wrote to memory of 1712	3476	23423963326242666307.exe	94
PID 3476 wrote to memory of 1712	3476	23423963326242666307.exe	94
PID 3476 wrote to memory of 1712	3476	23423963326242666307.exe	94
PID 3476 wrote to memory of 1712	3476	23423963326242666307.exe	94

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2148
- C:\ProgramData\23423963326242666307.exe
  "C:\ProgramData\23423963326242666307.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3476
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1712
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\file.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4928
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:1812
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2148 -s 1996
  2⤵
  - Program crash
  PID:3980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2148 -ip 2148
1⤵
PID:3752

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

23423963326242666307.exe

Path C:\ProgramData\23423963326242666307.exe
Size 921KB
SHA256 90dfdfebd2df4d5d7fee76e36c13f12a3e26228e0680b14291663ce0bb30e881
MD5 21e0a6379f8d13d164d04092ebcf96fa
SHA1 a30f3a1b285d3008c4ef75d1efa99a8e11dfdcfc
SHA512 2b2cbe5e59b2050ee002256502fbc144d53445d5cea02fad5e018dbb0d32a3bd9ca6ec0d9dbd215cb93a15f9661b1da73a31b8f0c6a71f6104835105df04a699
SSDEEP 12288:1BV3CmPmjbH6CfchARqn/MzetFCwrT92aSxNhlngQU9LxS2WlpbTva:1H3LOKCfxgn0eFBN2awlgrMplRa
MD5 SHA1 SHA512 SSDEEP

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23423963326242666307.exe

Path C:\ProgramData\23423963326242666307.exe
Size 921KB
SHA256 90dfdfebd2df4d5d7fee76e36c13f12a3e26228e0680b14291663ce0bb30e881
MD5 21e0a6379f8d13d164d04092ebcf96fa
SHA1 a30f3a1b285d3008c4ef75d1efa99a8e11dfdcfc
SHA512 2b2cbe5e59b2050ee002256502fbc144d53445d5cea02fad5e018dbb0d32a3bd9ca6ec0d9dbd215cb93a15f9661b1da73a31b8f0c6a71f6104835105df04a699
SSDEEP 12288:1BV3CmPmjbH6CfchARqn/MzetFCwrT92aSxNhlngQU9LxS2WlpbTva:1H3LOKCfxgn0eFBN2awlgrMplRa
MD5 SHA1 SHA512 SSDEEP

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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/1712-165-0x0000000000400000-0x000000000047A000-memory.dmp

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memory/1712-169-0x000000000A230000-0x000000000A296000-memory.dmp

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memory/1712-168-0x0000000007580000-0x000000000758A000-memory.dmp

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memory/1712-167-0x00000000074E0000-0x0000000007572000-memory.dmp

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memory/1712-166-0x00000000079F0000-0x0000000007F94000-memory.dmp

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memory/2148-134-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/2148-163-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/2148-132-0x000000000066D000-0x000000000069A000-memory.dmp

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memory/2148-133-0x00000000020F0000-0x000000000213B000-memory.dmp

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memory/2148-135-0x0000000060900000-0x0000000060992000-memory.dmp

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memory/2148-156-0x0000000000400000-0x000000000047B000-memory.dmp

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memory/3476-160-0x0000000000110000-0x00000000001FA000-memory.dmp

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