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Windows Analysis Report
arinzezx.exe

Overview

General Information

Sample Name:arinzezx.exe
Analysis ID:694556
MD5:314c678d85f7927a42f34797627532e1
SHA1:1a1695ee1411cc14754cc92e14a6243ee7af81d1
SHA256:e5b9cc21b8de77e68e03e202609511b8b57d1ea278d6cd0fe0b7fb454f1d7432
Tags:exe
Infos:

Detection

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

Signatures

Malicious sample detected (through community Yara rule)
Yara detected AgentTesla
Yara detected AntiVM3
Installs a global keyboard hook
Tries to steal Mail credentials (via file / registry access)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to harvest and steal ftp login credentials
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
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
Detected potential crypto function
Yara detected Credential Stealer
JA3 SSL client fingerprint seen in connection with other malware
IP address seen in connection with other malware
Contains long sleeps (>= 3 min)
Enables debug privileges
Creates a DirectInput object (often for capturing keystrokes)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Sample file is different than original file name gathered from version info
Uses a known web browser user agent for HTTP communication
Detected TCP or UDP traffic on non-standard ports
Uses SMTP (mail sending)
Creates a window with clipboard capturing capabilities
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Creates a process in suspended mode (likely to inject code)

Classification

  • System is w10x64
  • arinzezx.exe (PID: 6600 cmdline: "C:\Users\user\Desktop\arinzezx.exe" MD5: 314C678D85F7927A42F34797627532E1)
    • arinzezx.exe (PID: 6964 cmdline: C:\Users\user\Desktop\arinzezx.exe MD5: 314C678D85F7927A42F34797627532E1)
    • arinzezx.exe (PID: 6976 cmdline: C:\Users\user\Desktop\arinzezx.exe MD5: 314C678D85F7927A42F34797627532E1)
  • cleanup
{"Exfil Mode": "SMTP", "Username": "arinzelog@steuler-kch.org", "Password": "7213575aceACE@#$", "Host": "cp5ua.hyperhost.ua"}
SourceRuleDescriptionAuthorStrings
00000004.00000000.365108165.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_AgentTesla_1Yara detected AgentTeslaJoe Security
    00000004.00000000.365108165.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_AgentTesla_2Yara detected AgentTeslaJoe Security
      00000004.00000000.365108165.0000000000402000.00000040.00000400.00020000.00000000.sdmpWindows_Trojan_AgentTesla_d3ac2b2funknownunknown
      • 0x300ad:$a13: get_DnsResolver
      • 0x2e8c7:$a20: get_LastAccessed
      • 0x30a2b:$a27: set_InternalServerPort
      • 0x30d47:$a30: set_GuidMasterKey
      • 0x2e9ce:$a33: get_Clipboard
      • 0x2e9dc:$a34: get_Keyboard
      • 0x2fce0:$a35: get_ShiftKeyDown
      • 0x2fcf1:$a36: get_AltKeyDown
      • 0x2e9e9:$a37: get_Password
      • 0x2f490:$a38: get_PasswordHash
      • 0x304ad:$a39: get_DefaultCredentials
      00000001.00000002.376461043.0000000002F25000.00000004.00000800.00020000.00000000.sdmpJoeSecurity_AntiVM_3Yara detected AntiVM_3Joe Security
        00000001.00000002.381932594.0000000004787000.00000004.00000800.00020000.00000000.sdmpJoeSecurity_AgentTesla_1Yara detected AgentTeslaJoe Security
          Click to see the 10 entries
          SourceRuleDescriptionAuthorStrings
          4.0.arinzezx.exe.400000.0.unpackJoeSecurity_AgentTesla_1Yara detected AgentTeslaJoe Security
            4.0.arinzezx.exe.400000.0.unpackJoeSecurity_AgentTesla_2Yara detected AgentTeslaJoe Security
              4.0.arinzezx.exe.400000.0.unpackMALWARE_Win_AgentTeslaV3AgentTeslaV3 infostealer payloadditekSHen
              • 0x32b5f:$s10: logins
              • 0x325c6:$s11: credential
              • 0x2ebce:$g1: get_Clipboard
              • 0x2ebdc:$g2: get_Keyboard
              • 0x2ebe9:$g3: get_Password
              • 0x2fed0:$g4: get_CtrlKeyDown
              • 0x2fee0:$g5: get_ShiftKeyDown
              • 0x2fef1:$g6: get_AltKeyDown
              4.0.arinzezx.exe.400000.0.unpackWindows_Trojan_AgentTesla_d3ac2b2funknownunknown
              • 0x302ad:$a13: get_DnsResolver
              • 0x2eac7:$a20: get_LastAccessed
              • 0x30c2b:$a27: set_InternalServerPort
              • 0x30f47:$a30: set_GuidMasterKey
              • 0x2ebce:$a33: get_Clipboard
              • 0x2ebdc:$a34: get_Keyboard
              • 0x2fee0:$a35: get_ShiftKeyDown
              • 0x2fef1:$a36: get_AltKeyDown
              • 0x2ebe9:$a37: get_Password
              • 0x2f690:$a38: get_PasswordHash
              • 0x306ad:$a39: get_DefaultCredentials
              1.2.arinzezx.exe.4787e30.8.raw.unpackJoeSecurity_AgentTesla_1Yara detected AgentTeslaJoe Security