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Windows
Analysis Report
VRO.exe
Overview
General Information
Detection
Score: | 92 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Attempt to bypass Chrome Application-Bound Encryption
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Multi AV Scanner detection for dropped file
Yara detected Telegram Recon
AI detected suspicious sample
Drops PE files to the startup folder
Drops password protected ZIP file
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Tries to harvest and steal browser information (history, passwords, etc)
Allocates memory with a write watch (potentially for evading sandboxes)
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to query CPU information (cpuid)
Contains functionality to query locales information (e.g. system language)
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Creates a process in suspended mode (likely to inject code)
Creates a start menu entry (Start Menu\Programs\Startup)
Detected potential crypto function
Dropped file seen in connection with other malware
Drops PE files
Enables debug privileges
Found dropped PE file which has not been started or loaded
HTTP GET or POST without a user agent
IP address seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
PE file contains sections with non-standard names
Sample file is different than original file name gathered from version info
Searches for user specific document files
Sigma detected: Browser Execution In Headless Mode
Sigma detected: Browser Started with Remote Debugging
Sigma detected: Startup Folder File Write
Stores files to the Windows start menu directory
Suricata IDS alerts with low severity for network traffic
Uses Microsoft's Enhanced Cryptographic Provider
Yara detected Credential Stealer
Classification
- System is w10x64
- VRO.exe (PID: 6948 cmdline:
"C:\Users\ user\Deskt op\VRO.exe " MD5: 27A4EE022E76538E095FD1A9C5B7F615) - chrome.exe (PID: 3084 cmdline:
"C:\Progra m Files\Go ogle\Chrom e\Applicat ion\chrome .exe" --re mote-debug ging-port= 9562 --use r-data-dir ="C:\Users \user\AppD ata\Local\ Google\Chr ome\User D ata" --pro file-direc tory="Defa ult" --dis able-popup -blocking --disable- extensions --disable -gpu --dis able-softw are-raster izer --dis able-dev-s hm-usage - -no-sandbo x --disabl e-logging --disable- web-securi ty --allow -running-i nsecure-co ntent --ig nore-certi ficate-err ors --disa ble-featur es=Isolate Origins,si te-per-pro cess --dis able-blink -features= Automation Controlled --disable -backgroun d-networki ng --disab le-default -apps --di sable-hang -monitor - -disable-s ync --disa ble-client -side-phis hing-detec tion --dis able-backg round-time r-throttli ng --disab le-rendere r-backgrou nding --di sable-back grounding- occluded-w indows --d isable-ipc -flooding- protection --mute-au dio --wind ow-size=12 80,720 --w indow-posi tion=-3000 ,-3000 --h eadless MD5: 45DE480806D1B5D462A7DDE4DCEFC4E4) - chrome.exe (PID: 6368 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-G B --servic e-sandbox- type=none --no-sandb ox --ignor e-certific ate-errors --use-ang le=swiftsh ader-webgl --use-gl= angle --mu te-audio - -ignore-ce rtificate- errors --h eadless -- disable-lo gging --mo jo-platfor m-channel- handle=165 6 --field- trial-hand le=1488,i, 1631442506 6531469225 ,114874212 8756696482 4,262144 - -disable-f eatures=Is olateOrigi ns,PaintHo lding,site -per-proce ss /prefet ch:8 MD5: 45DE480806D1B5D462A7DDE4DCEFC4E4) - chrome.exe (PID: 1984 cmdline:
"C:\Progra m Files\Go ogle\Chrom e\Applicat ion\chrome .exe" --re mote-debug ging-port= 9992 --use r-data-dir ="C:\Users \user\AppD ata\Local\ Google\Chr ome\User D ata" --pro file-direc tory="Defa ult" --dis able-popup -blocking --disable- extensions --disable -gpu --dis able-softw are-raster izer --dis able-dev-s hm-usage - -no-sandbo x --disabl e-logging --disable- web-securi ty --allow -running-i nsecure-co ntent --ig nore-certi ficate-err ors --disa ble-featur es=Isolate Origins,si te-per-pro cess --dis able-blink -features= Automation Controlled --disable -backgroun d-networki ng --disab le-default -apps --di sable-hang -monitor - -disable-s ync --disa ble-client -side-phis hing-detec tion --dis able-backg round-time r-throttli ng --disab le-rendere r-backgrou nding --di sable-back grounding- occluded-w indows --d isable-ipc -flooding- protection --mute-au dio --wind ow-size=12 80,720 --w indow-posi tion=-3000 ,-3000 --h eadless MD5: 45DE480806D1B5D462A7DDE4DCEFC4E4) - chrome.exe (PID: 2188 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-G B --servic e-sandbox- type=none --no-sandb ox --ignor e-certific ate-errors --use-ang le=swiftsh ader-webgl --use-gl= angle --mu te-audio - -ignore-ce rtificate- errors --h eadless -- disable-lo gging --mo jo-platfor m-channel- handle=160 4 --field- trial-hand le=1416,i, 9921731140 801761546, 7408010498 993882837, 262144 --d isable-fea tures=Isol ateOrigins ,PaintHold ing,site-p er-process /prefetch :8 MD5: 45DE480806D1B5D462A7DDE4DCEFC4E4) - msedge.exe (PID: 3384 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --remot e-debuggin g-port=965 1 --user-d ata-dir="C :\Users\us er\AppData \Local\Mic rosoft\Edg e\User Dat a" --profi le-directo ry="Defaul t" --disab le-popup-b locking -- disable-ex tensions - -disable-g pu --disab le-softwar e-rasteriz er --disab le-dev-shm -usage --n o-sandbox --disable- logging -- disable-we b-security --allow-r unning-ins ecure-cont ent --igno re-certifi cate-error s --disabl e-features =IsolateOr igins,site -per-proce ss --disab le-blink-f eatures=Au tomationCo ntrolled - -disable-b ackground- networking --disable -default-a pps --disa ble-hang-m onitor --d isable-syn c --disabl e-client-s ide-phishi ng-detecti on --disab le-backgro und-timer- throttling --disable -renderer- background ing --disa ble-backgr ounding-oc cluded-win dows --dis able-ipc-f looding-pr otection - -mute-audi o --window -size=1280 ,720 --win dow-positi on=-3000,- 3000 --hea dless MD5: 69222B8101B0601CC6663F8381E7E00F) - msedge.exe (PID: 888 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 --n o-sandbox --ignore-c ertificate -errors -- use-angle= swiftshade r-webgl -- use-gl=ang le --mute- audio --ig nore-certi ficate-err ors --head less --dis able-loggi ng --mojo- platform-c hannel-han dle=1404 - -field-tri al-handle= 1460,i,102 5578993908 0052098,10 1606274024 43088733,2 62144 --di sable-feat ures=Isola teOrigins, PaintHoldi ng,site-pe r-process /prefetch: 3 MD5: 69222B8101B0601CC6663F8381E7E00F) - msedge.exe (PID: 6176 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --remot e-debuggin g-port=995 3 --user-d ata-dir="C :\Users\us er\AppData \Local\Mic rosoft\Edg e\User Dat a" --profi le-directo ry="Defaul t" --disab le-popup-b locking -- disable-ex tensions - -disable-g pu --disab le-softwar e-rasteriz er --disab le-dev-shm -usage --n o-sandbox --disable- logging -- disable-we b-security --allow-r unning-ins ecure-cont ent --igno re-certifi cate-error s --disabl e-features =IsolateOr igins,site -per-proce ss --disab le-blink-f eatures=Au tomationCo ntrolled - -disable-b ackground- networking --disable -default-a pps --disa ble-hang-m onitor --d isable-syn c --disabl e-client-s ide-phishi ng-detecti on --disab le-backgro und-timer- throttling --disable -renderer- background ing --disa ble-backgr ounding-oc cluded-win dows --dis able-ipc-f looding-pr otection - -mute-audi o --window -size=1280 ,720 --win dow-positi on=-3000,- 3000 --hea dless MD5: 69222B8101B0601CC6663F8381E7E00F) - msedge.exe (PID: 4076 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 --n o-sandbox --ignore-c ertificate -errors -- use-angle= swiftshade r-webgl -- use-gl=ang le --mute- audio --ig nore-certi ficate-err ors --head less --dis able-loggi ng --mojo- platform-c hannel-han dle=1984 - -field-tri al-handle= 1924,i,337 8839848336 86401,2949 0013409453 37258,2621 44 --disab le-feature s=IsolateO rigins,Pai ntHolding, site-per-p rocess /pr efetch:3 MD5: 69222B8101B0601CC6663F8381E7E00F)
- Microsoft Update.exe (PID: 2300 cmdline:
"C:\Users\ user\AppDa ta\Roaming \Microsoft \Windows\S tart Menu\ Programs\S tartup\Mic rosoft Upd ate.exe" MD5: 27A4EE022E76538E095FD1A9C5B7F615) - chrome.exe (PID: 3604 cmdline:
"C:\Progra m Files\Go ogle\Chrom e\Applicat ion\chrome .exe" --re mote-debug ging-port= 9616 --use r-data-dir ="C:\Users \user\AppD ata\Local\ Google\Chr ome\User D ata" --pro file-direc tory="Defa ult" --dis able-popup -blocking --disable- extensions --disable -gpu --dis able-softw are-raster izer --dis able-dev-s hm-usage - -no-sandbo x --disabl e-logging --disable- web-securi ty --allow -running-i nsecure-co ntent --ig nore-certi ficate-err ors --disa ble-featur es=Isolate Origins,si te-per-pro cess --dis able-blink -features= Automation Controlled --disable -backgroun d-networki ng --disab le-default -apps --di sable-hang -monitor - -disable-s ync --disa ble-client -side-phis hing-detec tion --dis able-backg round-time r-throttli ng --disab le-rendere r-backgrou nding --di sable-back grounding- occluded-w indows --d isable-ipc -flooding- protection --mute-au dio --wind ow-size=12 80,720 --w indow-posi tion=-3000 ,-3000 --h eadless MD5: 45DE480806D1B5D462A7DDE4DCEFC4E4) - chrome.exe (PID: 6444 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-G B --servic e-sandbox- type=none --no-sandb ox --ignor e-certific ate-errors --use-ang le=swiftsh ader-webgl --use-gl= angle --mu te-audio - -ignore-ce rtificate- errors --h eadless -- disable-lo gging --mo jo-platfor m-channel- handle=160 8 --field- trial-hand le=1460,i, 3805261518 618613516, 1645474626 5131865936 ,262144 -- disable-fe atures=Iso lateOrigin s,PaintHol ding,site- per-proces s /prefetc h:8 MD5: 45DE480806D1B5D462A7DDE4DCEFC4E4) - chrome.exe (PID: 2032 cmdline:
"C:\Progra m Files\Go ogle\Chrom e\Applicat ion\chrome .exe" --re mote-debug ging-port= 9540 --use r-data-dir ="C:\Users \user\AppD ata\Local\ Google\Chr ome\User D ata" --pro file-direc tory="Defa ult" --dis able-popup -blocking --disable- extensions --disable -gpu --dis able-softw are-raster izer --dis able-dev-s hm-usage - -no-sandbo x --disabl e-logging --disable- web-securi ty --allow -running-i nsecure-co ntent --ig nore-certi ficate-err ors --disa ble-featur es=Isolate Origins,si te-per-pro cess --dis able-blink -features= Automation Controlled --disable -backgroun d-networki ng --disab le-default -apps --di sable-hang -monitor - -disable-s ync --disa ble-client -side-phis hing-detec tion --dis able-backg round-time r-throttli ng --disab le-rendere r-backgrou nding --di sable-back grounding- occluded-w indows --d isable-ipc -flooding- protection --mute-au dio --wind ow-size=12 80,720 --w indow-posi tion=-3000 ,-3000 --h eadless MD5: 45DE480806D1B5D462A7DDE4DCEFC4E4) - chrome.exe (PID: 3160 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-G B --servic e-sandbox- type=none --no-sandb ox --ignor e-certific ate-errors --use-ang le=swiftsh ader-webgl --use-gl= angle --mu te-audio - -ignore-ce rtificate- errors --h eadless -- disable-lo gging --mo jo-platfor m-channel- handle=162 4 --field- trial-hand le=1464,i, 7294061903 11024372,1 2238423268 301362517, 262144 --d isable-fea tures=Isol ateOrigins ,PaintHold ing,site-p er-process /prefetch :8 MD5: 45DE480806D1B5D462A7DDE4DCEFC4E4)
- cleanup
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_TelegramRecon | Yara detected Telegram Recon | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security |
System Summary |
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Source: | Author: Nasreddine Bencherchali (Nextron Systems): |