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Windows Analysis Report
e3.exe

Overview

General Information

Sample Name:e3.exe
Analysis ID:626044
MD5:e37f62c85961b9502a0d1599c37e390c
SHA1:1135f2ee15ad11129b07e784e344b16acf07b612
SHA256:63376e3e129b0513baec3a001a0bcc80ed859d0b4c347fd4491add3f54dccfaf
Tags:AgentTeslaexe
Infos:

Detection

AgentTesla
Score:100
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

Found malware configuration
Multi AV Scanner detection for submitted file
Malicious sample detected (through community Yara rule)
Yara detected Telegram RAT
Yara detected AgentTesla
Yara detected AntiVM3
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Multi AV Scanner detection for dropped file
Installs a global keyboard hook
Tries to steal Mail credentials (via file / registry access)
Tries to harvest and steal ftp login credentials
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses the Telegram API (likely for C&C communication)
Machine Learning detection for sample
May check the online IP address of the machine
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
Yara detected Generic Downloader
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
.NET source code contains very large array initializations
Machine Learning detection for dropped file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Uses schtasks.exe or at.exe to add and modify task schedules
Tries to harvest and steal browser information (history, passwords, etc)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Uses 32bit PE files
Queries the volume information (name, serial number etc) of a device
Yara signature match
Antivirus or Machine Learning detection for unpacked file
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Detected potential crypto function
Sample execution stops while process was sleeping (likely an evasion)
Yara detected Credential Stealer
JA3 SSL client fingerprint seen in connection with other malware
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Contains long sleeps (>= 3 min)
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found inlined nop instructions (likely shell or obfuscated code)
Sample file is different than original file name gathered from version info
Drops PE files
Uses a known web browser user agent for HTTP communication
Contains capabilities to detect virtual machines
Creates a window with clipboard capturing capabilities
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
Creates a process in suspended mode (likely to inject code)

Classification

  • System is w10x64
  • e3.exe (PID: 6384 cmdline: "C:\Users\user\Desktop\e3.exe" MD5: E37F62C85961B9502A0D1599C37E390C)
    • schtasks.exe (PID: 5772 cmdline: C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PhOyTxcSdzas" /XML "C:\Users\user\AppData\Local\Temp\tmp799E.tmp MD5: 15FF7D8324231381BAD48A052F85DF04)
      • conhost.exe (PID: 6512 cmdline: C:\Windows\system32\conhost.exe 0xffffffff -ForceV1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496)
    • e3.exe (PID: 6540 cmdline: {path} MD5: E37F62C85961B9502A0D1599C37E390C)
  • cleanup
{"C2 url": "https://api.telegram.org/bot1341301202:AAHzCj-Eu3mWY1PQc6gP-IXoYKSfMPo3X2w/sendMessage"}
{"Exfil Mode": "Telegram", "Chat id": "1299507057", "Chat URL": "https://api.telegram.org/bot1341301202:AAHzCj-Eu3mWY1PQc6gP-IXoYKSfMPo3X2w/sendDocument"}
SourceRuleDescriptionAuthorStrings
00000004.00000002.636427550.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_AgentTesla_1Yara detected AgentTeslaJoe Security
    00000004.00000002.636427550.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_AgentTesla_2Yara detected AgentTeslaJoe Security
      00000004.00000000.407405620.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_AgentTesla_1Yara detected AgentTeslaJoe Security
        00000004.00000000.407405620.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_AgentTesla_2Yara detected AgentTeslaJoe Security
          00000000.00000002.418778941.0000000006E10000.00000004.08000000.00040000.00000000.sdmpMALWARE_Win_DLAgent05Detects an unknown dropper. Typically exisys as a DLL in base64-encoded gzip-compressed file embedded within another executableditekSHen
          • 0x9430:$s1: MARCUS.dll
          • 0x14e04:$s1: MARCUS.dll
          • 0x14eb8:$s1: MARCUS.dll
          • 0xa188:$s2: GZipStream
          • 0xa17b:$s3: MemoryStream
          • 0xa28d:$s4: proj_name
          • 0xa284:$s5: res_name
          Click to see the 22 entries
          SourceRuleDescriptionAuthorStrings
          0.2.e3.exe.6e10000.4.unpackMALWARE_Win_DLAgent05Detects an unknown dropper. Typically exisys as a DLL in base64-encoded gzip-compressed file embedded within another executableditekSHen
          • 0x7830:$s1: MARCUS.dll
          • 0x13204:$s1: MARCUS.dll
          • 0x132b8:$s1: MARCUS.dll
          • 0x8588:$s2: GZipStream
          • 0x857b:$s3: MemoryStream
          • 0x868d:$s4: proj_name
          • 0x8684:$s5: res_name
          4.0.e3.exe.400000.8.unpackJoeSecurity_AgentTesla_1Yara detected AgentTeslaJoe Security
            4.0.e3.exe.400000.8.unpackJoeSecurity_AgentTesla_2Yara detected AgentTeslaJoe Security
              4.0.e3.exe.400000.8.unpackJoeSecurity_GenericDownloader_1Yara detected Generic DownloaderJoe Security
                4.0.e3.exe.400000.8.unpackMALWARE_Win_AgentTeslaV3AgentTeslaV3 infostealer payloadditekSHen
                • 0x30d38:$s1: get_kbok
                • 0x3166c:$s2: get_CHoo
                • 0x322c7:$s3: set_passwordIsSet
                • 0x30b23:$s4: get_enableLog
                • 0x3526e:$s8: torbrowser
                • 0x33c51:$s10: logins
                • 0x3352a:$s11: credential
                • 0x2ff0b:$g1: get_Clipboard
                • 0x2ff19:$g2: get_Keyboard
                • 0x2ff26:$g3: get_Password
                • 0x3151a:$g4: get_CtrlKeyDown
                • 0x3152a:$g5: get_ShiftKeyDown
                • 0x3153b:$g6: get_AltKeyDown
                Click to see the 34 entries
                No Sigma rule has matched
                No Snort rule has matched

                Click to jump to signature section

                Show All Signature Results

                AV Detection

                barindex
                Source: 4.0.e3.exe.400000.8.unpackMalware Configuration Extractor: Agenttesla {"Exfil Mode": "Telegram", "Chat id": "1299507057", "Chat URL": "https://api.telegram.org/bot1341301202:AAHzCj-Eu3mWY1PQc6gP-IXoYKSfMPo3X2w/sendDocument"}
                Source: e3.exe.6540.4.memstrminMalware Configuration Extractor: Telegram RAT {"C2 url": "https://api.telegram.org/bot1341301202:AAHzCj-Eu3mWY1PQc6gP-IXoYKSfMPo3X2w/sendMessage"}
                Source: e3.exeVirustotal: Detection: 70%Perma Link
                Source: e3.exeReversingLabs: Detection: 73%
                Source: e3.exeAvira: detected
                Source: C:\Users\user\AppData\Roaming\PhOyTxcSdzas.exeAvira: detection malicious, Label: HEUR/AGEN.1202709
                Source: C:\Users\user\AppData\Roaming\PhOyTxcSdzas.exeReversingLabs: Detection: 73%
                Source: e3.exeJoe Sandbox ML: detected
                Source: C:\Users\user\AppData\Roaming\PhOyTxcSdzas.exeJoe Sandbox ML: detected
                Source: 4.0.e3.exe.400000.8.unpackAvira: Label: TR/Spy.Gen8
                Source: 4.0.e3.exe.400000.4.unpackAvira: Label: TR/Spy.Gen8
                Source: 4.0.e3.exe.400000.12.unpackAvira: Label: TR/Spy.Gen8
                Source: 4.0.e3.exe.400000.6.unpackAvira: Label: TR/Spy.Gen8
                Source: 4.0.e3.exe.400000.10.unpackAvira: Label: TR/Spy.Gen8
                Source: 4.2.e3.exe.400000.0.unpackAvira: Label: TR/Spy.Gen8
                Source: e3.exeStatic PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE
                Source: unknown<