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Windows
Analysis Report
Y4TyDwQzbE.exe
Overview
General Information
| Sample name: | Y4TyDwQzbE.exerenamed because original name is a hash value |
| Original sample name: | 201e5372b39b8bdb82aba789aa4245f7227e3eec19b0c4a04e9e185321e637a7.exe |
| Analysis ID: | 1590661 |
| MD5: | c39b950ed0284459201a91828ad9edeb |
| SHA1: | 54f02d639ff764f10655d6ab84c9121e013ce447 |
| SHA256: | 201e5372b39b8bdb82aba789aa4245f7227e3eec19b0c4a04e9e185321e637a7 |
| Tags: | bot7711615259exeuser-JAMESWT_MHT |
| Infos: |   |
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Detection
| Score: | 100 |
| 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
Multi AV Scanner detection for submitted file
Yara detected Telegram Recon
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Drops PE files to the document folder of the user
Drops PE files to the user root directory
Drops password protected ZIP file
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Tries to harvest and steal browser information (history, passwords, etc)
AV process strings found (often used to terminate AV products)
Allocates memory with a write watch (potentially for evading sandboxes)
Checks if the current process is being debugged
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to dynamically determine API calls
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)
Detected potential crypto function
Drops PE files
Drops PE files to the user directory
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 check the online IP address of the machine
May sleep (evasive loops) to hinder dynamic analysis
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
One or more processes crash
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
Suricata IDS alerts with low severity for network traffic
Yara detected Credential Stealer
Classification
- System is w10x64
Y4TyDwQzbE.exe (PID: 6876 cmdline: "C:\Users\ user\Deskt op\Y4TyDwQ zbE.exe" MD5: C39B950ED0284459201A91828AD9EDEB) 
conhost.exe (PID: 3004 cmdline: C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) 
WerFault.exe (PID: 2280 cmdline: C:\Windows \system32\ WerFault.e xe -u -p 6 876 -s 388 MD5: FD27D9F6D02763BDE32511B5DF7FF7A0) 
msedge.exe (PID: 5960 cmdline: "C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --remot e-debuggin g-port=988 8 --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-cr ash-report er --disab le-web-sec urity --al low-runnin g-insecure -content - -ignore-ce rtificate- errors --d isable-fea tures=Isol ateOrigins ,site-per- process -- disable-bl ink-featur es=Automat ionControl led --disa ble-backgr ound-netwo rking --di sable-defa ult-apps - -disable-h ang-monito r --disabl e-sync --d isable-cli ent-side-p hishing-de tection -- disable-ba ckground-t imer-throt tling --di sable-rend erer-backg rounding - -disable-b ackgroundi ng-occlude d-windows --disable- ipc-floodi ng-protect ion --disa ble-site-i solation-t rials --mu te-audio - -window-si ze=1280,72 0 --window -position= -3000,-300 0 --headle ss MD5: 69222B8101B0601CC6663F8381E7E00F) - msedge.exe (PID: 4572 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=1512 - -field-tri al-handle= 1476,i,181 5688724415 2609697,69 4702792374 2973971,26 2144 --dis able-featu res=Isolat eOrigins,P aintHoldin g,site-per -process / prefetch:3 MD5: 69222B8101B0601CC6663F8381E7E00F) - msedge.exe (PID: 4208 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --remot e-debuggin g-port=969 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-cr ash-report er --disab le-web-sec urity --al low-runnin g-insecure -content - -ignore-ce rtificate- errors --d isable-fea tures=Isol ateOrigins ,site-per- process -- disable-bl ink-featur es=Automat ionControl led --disa ble-backgr ound-netwo rking --di sable-defa ult-apps - -disable-h ang-monito r --disabl e-sync --d isable-cli ent-side-p hishing-de tection -- disable-ba ckground-t imer-throt tling --di sable-rend erer-backg rounding - -disable-b ackgroundi ng-occlude d-windows --disable- ipc-floodi ng-protect ion --disa ble-site-i solation-t rials --mu te-audio - -window-si ze=1280,72 0 --window -position= -3000,-300 0 --headle ss MD5: 69222B8101B0601CC6663F8381E7E00F) - msedge.exe (PID: 1008 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=1584 - -field-tri al-handle= 1456,i,115 2912632494 0323692,78 8333096762 7756313,26 2144 --dis able-featu res=Isolat eOrigins,P aintHoldin g,site-per -process / prefetch:3 MD5: 69222B8101B0601CC6663F8381E7E00F) - msedge.exe (PID: 6976 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --remot e-debuggin g-port=993 2 --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-cr ash-report er --disab le-web-sec urity --al low-runnin g-insecure -content - -ignore-ce rtificate- errors --d isable-fea tures=Isol ateOrigins ,site-per- process -- disable-bl ink-featur es=Automat ionControl led --disa ble-backgr ound-netwo rking --di sable-defa ult-apps - -disable-h ang-monito r --disabl e-sync --d isable-cli ent-side-p hishing-de tection -- disable-ba ckground-t imer-throt tling --di sable-rend erer-backg rounding - -disable-b ackgroundi ng-occlude d-windows --disable- ipc-floodi ng-protect ion --disa ble-site-i solation-t rials --mu te-audio - -window-si ze=1280,72 0 --window -position= -3000,-300 0 --headle ss MD5: 69222B8101B0601CC6663F8381E7E00F) - msedge.exe (PID: 2156 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=1888 - -field-tri al-handle= 1828,i,177 6361579551 9146603,63 1180930364 3745292,26 2144 --dis able-featu res=Isolat eOrigins,P aintHoldin g,site-per -process / prefetch:3 MD5: 69222B8101B0601CC6663F8381E7E00F)
- 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): | ||