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Windows
Analysis Report
5P9EdUgv5r.exe
Overview
General Information
Sample name: | 5P9EdUgv5r.exerenamed because original name is a hash value |
Original sample name: | 1F70E167B93D471AF9DAF333145DB4CD.exe |
Analysis ID: | 1502154 |
MD5: | 1f70e167b93d471af9daf333145db4cd |
SHA1: | b7c1afc111a98055b28c94f62599ff33f41ced24 |
SHA256: | 9fbc9f10ad8bc902a7a847d76b9792ac9f995555e856824f96fd04b7290b5aed |
Tags: | DCRatexe |
Infos: | |
Detection
DCRat
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Antivirus detection for dropped file
Found malware configuration
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Schedule system process
Suricata IDS alerts for network traffic
Yara detected DCRat
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Creates processes via WMI
Disable UAC(promptonsecuredesktop)
Disables UAC (registry)
Drops executables to the windows directory (C:\Windows) and starts them
Machine Learning detection for dropped file
Machine Learning detection for sample
Sigma detected: Files With System Process Name In Unsuspected Locations
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Allocates memory with a write watch (potentially for evading sandboxes)
Checks if Antivirus/Antispyware/Firewall program is installed (via WMI)
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to communicate with device drivers
Contains functionality to query CPU information (cpuid)
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the PEB
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
Drops PE files
Drops PE files to the windows directory (C:\Windows)
Enables debug privileges
File is packed with WinRar
Found WSH timer for Javascript or VBS script (likely evasive script)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found evasive API chain (date check)
Found potential string decryption / allocating functions
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
PE file contains executable resources (Code or Archives)
PE file contains sections with non-standard names
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sample file is different than original file name gathered from version info
Sigma detected: WSF/JSE/JS/VBA/VBE File Execution Via Cscript/Wscript
Uses 32bit PE files
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Classification
- System is w10x64
- 5P9EdUgv5r.exe (PID: 1376 cmdline:
"C:\Users\ user\Deskt op\5P9EdUg v5r.exe" MD5: 1F70E167B93D471AF9DAF333145DB4CD) - wscript.exe (PID: 4588 cmdline:
"C:\Window s\System32 \WScript.e xe" "C:\se rversessio nmonitor\1 ogacUYksBe bmJ8WSR.vb e" MD5: FF00E0480075B095948000BDC66E81F0) - cmd.exe (PID: 5312 cmdline:
C:\Windows \system32\ cmd.exe /c ""C:\serv ersessionm onitor\ovp XJB1x2XJwV qS.bat" " MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 3568 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - blockfont.exe (PID: 7076 cmdline:
"C:\server sessionmon itor\block font.exe" MD5: 960DC58A366579A52C966ACC596733B6) - schtasks.exe (PID: 6888 cmdline:
schtasks.e xe /create /tn "winl ogonw" /sc MINUTE /m o 14 /tr " 'C:\Progra m Files (x 86)\window s portable devices\w inlogon.ex e'" /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7180 cmdline:
schtasks.e xe /create /tn "winl ogon" /sc ONLOGON /t r "'C:\Pro gram Files (x86)\win dows porta ble device s\winlogon .exe'" /rl HIGHEST / f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7208 cmdline:
schtasks.e xe /create /tn "winl ogonw" /sc MINUTE /m o 7 /tr "' C:\Program Files (x8 6)\windows portable devices\wi nlogon.exe '" /rl HIG HEST /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7336 cmdline:
schtasks.e xe /create /tn "qwhJ cOiWbbUoQM vwnJNrq" / sc MINUTE /mo 9 /tr "'C:\Windo ws\RemoteP ackages\Re moteApps\q whJcOiWbbU oQMvwnJNr. exe'" /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7364 cmdline:
schtasks.e xe /create /tn "qwhJ cOiWbbUoQM vwnJNr" /s c ONLOGON /tr "'C:\W indows\Rem otePackage s\RemoteAp ps\qwhJcOi WbbUoQMvwn JNr.exe'" /rl HIGHES T /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7384 cmdline:
schtasks.e xe /create /tn "qwhJ cOiWbbUoQM vwnJNrq" / sc MINUTE /mo 14 /tr "'C:\Wind ows\Remote Packages\R emoteApps\ qwhJcOiWbb UoQMvwnJNr .exe'" /rl HIGHEST / f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7404 cmdline:
schtasks.e xe /create /tn "back groundTask Hostb" /sc MINUTE /m o 10 /tr " 'C:\Progra m Files (x 86)\window s media pl ayer\en-US \backgroun dTaskHost. exe'" /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7420 cmdline:
schtasks.e xe /create /tn "back groundTask Host" /sc ONLOGON /t r "'C:\Pro gram Files (x86)\win dows media player\en -US\backgr oundTaskHo st.exe'" / rl HIGHEST /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7456 cmdline:
schtasks.e xe /create /tn "back groundTask Hostb" /sc MINUTE /m o 14 /tr " 'C:\Progra m Files (x 86)\window s media pl ayer\en-US \backgroun dTaskHost. exe'" /rl HIGHEST /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7484 cmdline:
schtasks.e xe /create /tn "qwhJ cOiWbbUoQM vwnJNrq" / sc MINUTE /mo 10 /tr "'C:\Prog ram Files (x86)\micr osoft oned rive\LogoI mages\qwhJ cOiWbbUoQM vwnJNr.exe '" /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7500 cmdline:
schtasks.e xe /create /tn "qwhJ cOiWbbUoQM vwnJNr" /s c ONLOGON /tr "'C:\P rogram Fil es (x86)\m icrosoft o nedrive\Lo goImages\q whJcOiWbbU oQMvwnJNr. exe'" /rl HIGHEST /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7532 cmdline:
schtasks.e xe /create /tn "qwhJ cOiWbbUoQM vwnJNrq" / sc MINUTE /mo 11 /tr "'C:\Prog ram Files (x86)\micr osoft oned rive\LogoI mages\qwhJ cOiWbbUoQM vwnJNr.exe '" /rl HIG HEST /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7572 cmdline:
schtasks.e xe /create /tn "qwhJ cOiWbbUoQM vwnJNrq" / sc MINUTE /mo 8 /tr "'C:\Progr am Files\W indows Por table Devi ces\qwhJcO iWbbUoQMvw nJNr.exe'" /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7600 cmdline:
schtasks.e xe /create /tn "qwhJ cOiWbbUoQM vwnJNr" /s c ONLOGON /tr "'C:\P rogram Fil es\Windows Portable Devices\qw hJcOiWbbUo QMvwnJNr.e xe'" /rl H IGHEST /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7628 cmdline:
schtasks.e xe /create /tn "qwhJ cOiWbbUoQM vwnJNrq" / sc MINUTE /mo 14 /tr "'C:\Prog ram Files\ Windows Po rtable Dev ices\qwhJc OiWbbUoQMv wnJNr.exe' " /rl HIGH EST /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7652 cmdline:
schtasks.e xe /create /tn "Sear chAppS" /s c MINUTE / mo 6 /tr " 'C:\Recove ry\SearchA pp.exe'" / f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7668 cmdline:
schtasks.e xe /create /tn "Sear chApp" /sc ONLOGON / tr "'C:\Re covery\Sea rchApp.exe '" /rl HIG HEST /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7684 cmdline:
schtasks.e xe /create /tn "Sear chAppS" /s c MINUTE / mo 8 /tr " 'C:\Recove ry\SearchA pp.exe'" / rl HIGHEST /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7720 cmdline:
schtasks.e xe /create /tn "qwhJ cOiWbbUoQM vwnJNrq" / sc MINUTE /mo 5 /tr "'C:\Progr am Files ( x86)\windo ws mail\qw hJcOiWbbUo QMvwnJNr.e xe'" /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7740 cmdline:
schtasks.e xe /create /tn "qwhJ cOiWbbUoQM vwnJNr" /s c ONLOGON /tr "'C:\P rogram Fil es (x86)\w indows mai l\qwhJcOiW bbUoQMvwnJ Nr.exe'" / rl HIGHEST /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7760 cmdline:
schtasks.e xe /create /tn "qwhJ cOiWbbUoQM vwnJNrq" / sc MINUTE /mo 11 /tr "'C:\Prog ram Files (x86)\wind ows mail\q whJcOiWbbU oQMvwnJNr. exe'" /rl HIGHEST /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7788 cmdline:
schtasks.e xe /create /tn "qwhJ cOiWbbUoQM vwnJNrq" / sc MINUTE /mo 8 /tr "'C:\Progr am Files ( x86)\micro soft offic e\Office16 \qwhJcOiWb bUoQMvwnJN r.exe'" /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7808 cmdline:
schtasks.e xe /create /tn "qwhJ cOiWbbUoQM vwnJNr" /s c ONLOGON /tr "'C:\P rogram Fil es (x86)\m icrosoft o ffice\Offi ce16\qwhJc OiWbbUoQMv wnJNr.exe' " /rl HIGH EST /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 7824 cmdline:
schtasks.e xe /create /tn "qwhJ cOiWbbUoQM vwnJNrq" / sc MINUTE /mo 5 /tr "'C:\Progr am Files ( x86)\micro soft offic e\Office16 \qwhJcOiWb bUoQMvwnJN r.exe'" /r l HIGHEST /f MD5: 76CD6626DD8834BD4A42E6A565104DC2) - qwhJcOiWbbUoQMvwnJNr.exe (PID: 7900 cmdline:
"C:\Progra m Files\Wi ndows Port able Devic es\qwhJcOi WbbUoQMvwn JNr.exe" MD5: 960DC58A366579A52C966ACC596733B6)
- qwhJcOiWbbUoQMvwnJNr.exe (PID: 7508 cmdline:
C:\Windows \RemotePac kages\Remo teApps\qwh JcOiWbbUoQ MvwnJNr.ex e MD5: 960DC58A366579A52C966ACC596733B6)
- qwhJcOiWbbUoQMvwnJNr.exe (PID: 7552 cmdline:
"C:\Progra m Files (x 86)\micros oft onedri ve\LogoIma ges\qwhJcO iWbbUoQMvw nJNr.exe" MD5: 960DC58A366579A52C966ACC596733B6)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
DCRat | DCRat is a typical RAT that has been around since at least June 2019. | No Attribution |
{"SCRT": "{\"0\":\">\",\"L\":\"~\",\"y\":\"^\",\"o\":\"&\",\"h\":\"*\",\"c\":\"`\",\"A\":\"|\",\"i\":\")\",\"n\":\",\",\"9\":\"_\",\"1\":\"-\",\"I\":\";\",\"J\":\"!\",\"j\":\"%\",\"d\":\".\",\"e\":\"@\",\"C\":\"$\",\"M\":\"#\",\"W\":\" \",\"z\":\"<\",\"N\":\"(\"}", "PCRT": "{\"5\":\"$\",\"Z\":\"&\",\"D\":\"|\",\"a\":\";\",\"U\":\" \",\"E\":\">\",\"R\":\"-\",\"F\":\",\",\"t\":\"~\",\"Q\":\"@\",\"i\":\"%\",\"T\":\"#\",\"Y\":\"^\",\"d\":\"<\",\"4\":\"_\",\"h\":\")\",\"l\":\"!\",\"k\":\"`\",\"J\":\".\",\"X\":\"(\",\"B\":\"*\"}", "TAG": "", "MUTEX": "DCR_MUTEX-7082klfQ9GyGfgjPd35M", "LDTM": false, "DBG": false, "SST": 5, "SMST": 2, "BCS": 0, "AUR": 1, "ASCFG": {"searchpath": "%UsersFolder% - Fast"}, "AS": false, "ASO": false, "AD": false}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_DCRat_1 | Yara detected DCRat | Joe Security | ||
JoeSecurity_DCRat_1 | Yara detected DCRat | Joe Security | ||
JoeSecurity_DCRat_1 | Yara detected DCRat | Joe Security | ||
JoeSecurity_DCRat_1 | Yara detected DCRat | Joe Security | ||
JoeSecurity_DCRat_1 | Yara detected DCRat | Joe Security | ||
Click to see the 8 entries |
System Summary |
---|
Source: | Author: Sander Wiebing, Tim Shelton, Nasreddine Bencherchali (Nextron Systems): |
Source: | Author: Michael Haag: |
Persistence and Installation Behavior |
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Source: | Author: Joe Security: |
Timestamp: | 2024-08-31T09:22:11.861438+0200 |
SID: | 2034194 |
Severity: | 1 |
Source Port: | 49734 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Virustotal: | Perma Link | ||
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Source: | Virustotal: | Perma Link |
Source: | Integrated Neural Analysis Model: |
Source: | Joe Sandbox ML: | ||
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Source: | Static PE information: |
Source: | Directory created: | Jump to behavior | ||
Source: | Directory created: | Jump to behavior |
Source: | Static PE information: |
Source: | Binary string: |
Source: | Code function: | 0_2_00D6A5F4 | |
Source: | Code function: | 0_2_00D7B8E0 |
Networking |
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Source: | Suricata IDS: |
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Source: | UDP traffic detected without corresponding DNS query: |
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