Analysis
- max time kernel
94s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
03/04/2024, 11:15
General
- Target PO-24-0146.exe
- Size 635KB
- Sample240403-ncjtdsch84
- SHA256 4d71dea7fedeac5da79730368e3e524f82efcfa368293651bf6c0bb0e423eb8c
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.issltd.org
-
Port
587
-
Username
-
Password
iss123
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.issltd.org
-
Port
587
-
Username
-
Password
iss123
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 13 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jIlwbG.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jIlwbG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6CC4.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_2xm5e523.5df.ps1
tmp6CC4.tmp
memory/2104-99-0x0000000074BD0000-0x0000000075380000-memory.dmp
memory/2104-86-0x0000000006E10000-0x0000000006E60000-memory.dmp
memory/2104-49-0x00000000056C0000-0x00000000056D0000-memory.dmp
memory/2104-48-0x0000000074BD0000-0x0000000075380000-memory.dmp
memory/2104-35-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2200-51-0x0000000006340000-0x000000000635E000-memory.dmp
memory/2200-30-0x00000000053A0000-0x0000000005406000-memory.dmp
memory/2200-15-0x0000000002A50000-0x0000000002A86000-memory.dmp
memory/2200-16-0x0000000074BD0000-0x0000000075380000-memory.dmp
memory/2200-17-0x0000000002AE0000-0x0000000002AF0000-memory.dmp
memory/2200-18-0x0000000005500000-0x0000000005B28000-memory.dmp
memory/2200-79-0x0000000002AE0000-0x0000000002AF0000-memory.dmp
memory/2200-77-0x0000000002AE0000-0x0000000002AF0000-memory.dmp
memory/2200-98-0x0000000074BD0000-0x0000000075380000-memory.dmp
memory/2200-78-0x0000000007360000-0x0000000007403000-memory.dmp
memory/2200-67-0x000000007EEB0000-0x000000007EEC0000-memory.dmp
memory/2200-83-0x0000000007710000-0x000000000771A000-memory.dmp
memory/2200-66-0x0000000007340000-0x000000000735E000-memory.dmp
memory/2200-84-0x0000000007920000-0x00000000079B6000-memory.dmp
memory/2200-90-0x00000000079C0000-0x00000000079C8000-memory.dmp
memory/2200-81-0x0000000007CE0000-0x000000000835A000-memory.dmp
memory/2200-54-0x0000000075470000-0x00000000754BC000-memory.dmp
memory/2200-52-0x0000000006400000-0x000000000644C000-memory.dmp
memory/2252-7-0x0000000005A40000-0x0000000005A4A000-memory.dmp
memory/2252-5-0x0000000005790000-0x000000000579A000-memory.dmp
memory/2252-0-0x0000000000CE0000-0x0000000000D86000-memory.dmp
memory/2252-6-0x0000000005910000-0x0000000005924000-memory.dmp
memory/2252-46-0x0000000074BD0000-0x0000000075380000-memory.dmp
memory/2252-4-0x0000000005920000-0x0000000005930000-memory.dmp
memory/2252-50-0x0000000074BD0000-0x0000000075380000-memory.dmp
memory/2252-10-0x0000000006D00000-0x0000000006D9C000-memory.dmp
memory/2252-8-0x0000000005C60000-0x0000000005C6C000-memory.dmp
memory/2252-3-0x00000000057A0000-0x0000000005832000-memory.dmp
memory/2252-2-0x0000000005CB0000-0x0000000006254000-memory.dmp
memory/2252-1-0x0000000074BD0000-0x0000000075380000-memory.dmp
memory/2252-9-0x0000000006A70000-0x0000000006AF2000-memory.dmp
memory/4016-24-0x0000000006200000-0x0000000006266000-memory.dmp
memory/4016-82-0x0000000007C00000-0x0000000007C1A000-memory.dmp
memory/4016-80-0x0000000003060000-0x0000000003070000-memory.dmp
memory/4016-56-0x0000000075470000-0x00000000754BC000-memory.dmp
memory/4016-55-0x000000007F170000-0x000000007F180000-memory.dmp
memory/4016-85-0x0000000007E00000-0x0000000007E11000-memory.dmp
memory/4016-53-0x0000000007850000-0x0000000007882000-memory.dmp
memory/4016-87-0x0000000007E30000-0x0000000007E3E000-memory.dmp
memory/4016-88-0x0000000007E40000-0x0000000007E54000-memory.dmp
memory/4016-89-0x0000000007F40000-0x0000000007F5A000-memory.dmp
memory/4016-36-0x00000000063E0000-0x0000000006734000-memory.dmp
memory/4016-21-0x0000000005920000-0x0000000005942000-memory.dmp
memory/4016-22-0x0000000003060000-0x0000000003070000-memory.dmp
memory/4016-97-0x0000000074BD0000-0x0000000075380000-memory.dmp
memory/4016-23-0x0000000003060000-0x0000000003070000-memory.dmp
memory/4016-19-0x0000000074BD0000-0x0000000075380000-memory.dmp