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Windows Analysis Report
2C01EPgbbjrSPr7.exe

Overview

General Information

Sample Name:2C01EPgbbjrSPr7.exe
Analysis ID:626545
MD5:dc6c55fee2366dee1d9c502bf061a8dc
SHA1:609b99bc51ea6e1512d4aa1636a4586d2f6b29d6
SHA256:99c52b9d5bcaa8af4bae268f70a39b94c0b2879dfed2cbdabd25c6fef5ff2258
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 AgentTesla
Yara detected AntiVM3
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to harvest and steal ftp login credentials
Modifies the hosts file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Machine Learning detection for sample
Injects a PE file into a foreign processes
Yara detected Generic Downloader
.NET source code contains very large array initializations
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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)
Internet Provider seen in connection with other malware
Detected potential crypto function
Found potential string decryption / allocating functions
Yara detected Credential Stealer
IP address seen in connection with other malware
Contains long sleeps (>= 3 min)
Abnormal high CPU Usage
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
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Creates a process in suspended mode (likely to inject code)
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to detect virtual machines (SGDT)

Classification

  • System is w10x64
  • 2C01EPgbbjrSPr7.exe (PID: 6992 cmdline: "C:\Users\user\Desktop\2C01EPgbbjrSPr7.exe" MD5: DC6C55FEE2366DEE1D9C502BF061A8DC)
    • RegSvcs.exe (PID: 6108 cmdline: {path} MD5: 2867A3817C9245F7CF518524DFD18F28)
  • cleanup
{"Exfil Mode": "SMTP", "Username": "leakkim@dtvcambodia.com", "Password": "@DTVcambodia2017", "Host": "mail.dtvcambodia.com"}
SourceRuleDescriptionAuthorStrings
00000004.00000002.507717756.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_AgentTesla_1Yara detected AgentTeslaJoe Security
    00000004.00000002.507717756.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_AgentTesla_2Yara detected AgentTeslaJoe Security
      00000004.00000000.279997636.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_AgentTesla_1Yara detected AgentTeslaJoe Security
        00000004.00000000.279997636.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_AgentTesla_2Yara detected AgentTeslaJoe Security
          00000004.00000000.279367854.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_AgentTesla_1Yara detected AgentTeslaJoe Security
            Click to see the 15 entries
            SourceRuleDescriptionAuthorStrings
            4.2.RegSvcs.exe.400000.0.unpackJoeSecurity_AgentTesla_1Yara detected AgentTeslaJoe Security
              4.2.RegSvcs.exe.400000.0.unpackJoeSecurity_AgentTesla_2Yara detected AgentTeslaJoe Security
                4.2.RegSvcs.exe.400000.0.unpackJoeSecurity_GenericDownloader_1Yara detected Generic DownloaderJoe Security
                  4.2.RegSvcs.exe.400000.0.unpackMALWARE_Win_AgentTeslaV3AgentTeslaV3 infostealer payloadditekSHen
                  • 0x30dc2:$s1: get_kbok
                  • 0x316f6:$s2: get_CHoo
                  • 0x32369:$s3: set_passwordIsSet
                  • 0x30bc6:$s4: get_enableLog
                  • 0x3529a:$s8: torbrowser
                  • 0x33c76:$s10: logins
                  • 0x335f5:$s11: credential
                  • 0x2ffbb:$g1: get_Clipboard
                  • 0x2ffc9:$g2: get_Keyboard
                  • 0x2ffd6:$g3: get_Password
                  • 0x315a4:$g4: get_CtrlKeyDown
                  • 0x315b4:$g5: get_ShiftKeyDown
                  • 0x315c5:$g6: get_AltKeyDown
                  4.0.RegSvcs.exe.400000.1.unpackJoeSecurity_AgentTesla_1Yara detected AgentTeslaJoe Security
                    Click to see the 26 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.RegSvcs.exe.400000.2.unpackMalware Configuration Extractor: Agenttesla {"Exfil Mode": "SMTP", "Username": "leakkim@dtvcambodia.com", "Password": "@DTVcambodia2017", "Host": "mail.dtvcambodia.com"}
                    Source: 2C01EPgbbjrSPr7.exeVirustotal: Detection: 32%Perma Link
                    Source: 2C01EPgbbjrSPr7.exeReversingLabs: Detection: 61%
                    Source: 2C01EPgbbjrSPr7.exeJoe Sandbox ML: detected
                    Source: 4.0.RegSvcs.exe.400000.2.unpackAvira: Label: TR/Spy.Gen8
                    Source: 4.2.RegSvcs.exe.400000.0.unpackAvira: Label: TR/Spy.Gen8
                    Source: 4.0.RegSvcs.exe.400000.1.unpackAvira: Label: TR/Spy.Gen8
                    Source: 4.0.RegSvcs.exe.400000.4.unpackAvira: Label: TR/Spy.Gen8
                    Source: 4.0.RegSvcs.exe.400000.0.unpackAvira: Label: TR/Spy.Gen8
                    Source: 4.0.RegSvcs.exe.400000.3.unpackAvira: Label: TR/Spy.Gen8
                    Source: 2C01EPgbbjrSPr7.exeStatic PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE
                    Source: 2C01EPgbbjrSPr7.exeStatic PE information: NO_SEH, TERMINAL_SERVER_AWARE, DYNAMIC_BASE, NX_COMPAT