Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
29-08-2024 20:04
Static task
static1
Behavioral task
behavioral1
Sample
PI-897657546.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
PI-897657546.exe
Resource
win10v2004-20240802-en
General
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Target
PI-897657546.exe
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Size
619KB
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MD5
bce45e9ce0d7582aadf9258a7f2c11d4
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SHA1
e6364b28735b2612a871f13bbe0186775a6f3dbd
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SHA256
7e6df8e621709bf5a958031c2826bc1dccc91cc36fc47e783504342061f7f67c
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SHA512
9704c9c52a77e04d6f6d54e73ff7acfc4bb2b69cff20f44d2bfaa15154fa8935d7e3a893a5645bccba2af74fc00e9c4f606e4432d665bec74f5362ac7a6cc348
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SSDEEP
6144:3aUPSc6VEJD6LpMWHPjsk3yzS5saUQq4MKtPxXJ6/mydrhCfiOp90o9rL9R8:3aUb6VEt6jHrr33qvKJ9JCoiA9RPA
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.totalise.co.uk - Port:
587 - Username:
[email protected] - Password:
Password1
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2684-29-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2684-31-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2684-34-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2684-36-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2684-38-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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System Binary Proxy Execution: InstallUtil 1 TTPs 2 IoCs
Abuse InstallUtil to proxy execution of malicious code.
Processes:
PI-897657546.exezumag.exedescription ioc process File created C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe PI-897657546.exe Key opened \Registry\Machine\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Custom\InstallUtil.exe zumag.exe -
Executes dropped EXE 2 IoCs
Processes:
zumag.exeInstallUtil.exepid process 2780 zumag.exe 2684 InstallUtil.exe -
Loads dropped DLL 2 IoCs
Processes:
PI-897657546.exezumag.exepid process 2456 PI-897657546.exe 2780 zumag.exe -
Obfuscated with Agile.Net obfuscator 2 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Processes:
resource yara_rule behavioral1/memory/2456-2-0x0000000000500000-0x0000000000514000-memory.dmp agile_net behavioral1/memory/2780-20-0x0000000000390000-0x00000000003A4000-memory.dmp agile_net -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
reg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\zumag = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\zumag.exe" reg.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
zumag.exedescription pid process target process PID 2780 set thread context of 2684 2780 zumag.exe InstallUtil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
cmd.exereg.exezumag.exeInstallUtil.exePI-897657546.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language zumag.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PI-897657546.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
PI-897657546.exezumag.exeInstallUtil.exepid process 2456 PI-897657546.exe 2456 PI-897657546.exe 2456 PI-897657546.exe 2456 PI-897657546.exe 2780 zumag.exe 2780 zumag.exe 2780 zumag.exe 2684 InstallUtil.exe 2684 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
PI-897657546.exezumag.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 2456 PI-897657546.exe Token: SeDebugPrivilege 2780 zumag.exe Token: SeDebugPrivilege 2684 InstallUtil.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
InstallUtil.exepid process 2684 InstallUtil.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
PI-897657546.execmd.exezumag.exedescription pid process target process PID 2456 wrote to memory of 2448 2456 PI-897657546.exe cmd.exe PID 2456 wrote to memory of 2448 2456 PI-897657546.exe cmd.exe PID 2456 wrote to memory of 2448 2456 PI-897657546.exe cmd.exe PID 2456 wrote to memory of 2448 2456 PI-897657546.exe cmd.exe PID 2448 wrote to memory of 2952 2448 cmd.exe reg.exe PID 2448 wrote to memory of 2952 2448 cmd.exe reg.exe PID 2448 wrote to memory of 2952 2448 cmd.exe reg.exe PID 2448 wrote to memory of 2952 2448 cmd.exe reg.exe PID 2456 wrote to memory of 2780 2456 PI-897657546.exe zumag.exe PID 2456 wrote to memory of 2780 2456 PI-897657546.exe zumag.exe PID 2456 wrote to memory of 2780 2456 PI-897657546.exe zumag.exe PID 2456 wrote to memory of 2780 2456 PI-897657546.exe zumag.exe PID 2780 wrote to memory of 2684 2780 zumag.exe InstallUtil.exe PID 2780 wrote to memory of 2684 2780 zumag.exe InstallUtil.exe PID 2780 wrote to memory of 2684 2780 zumag.exe InstallUtil.exe PID 2780 wrote to memory of 2684 2780 zumag.exe InstallUtil.exe PID 2780 wrote to memory of 2684 2780 zumag.exe InstallUtil.exe PID 2780 wrote to memory of 2684 2780 zumag.exe InstallUtil.exe PID 2780 wrote to memory of 2684 2780 zumag.exe InstallUtil.exe PID 2780 wrote to memory of 2684 2780 zumag.exe InstallUtil.exe PID 2780 wrote to memory of 2684 2780 zumag.exe InstallUtil.exe PID 2780 wrote to memory of 2684 2780 zumag.exe InstallUtil.exe PID 2780 wrote to memory of 2684 2780 zumag.exe InstallUtil.exe PID 2780 wrote to memory of 2684 2780 zumag.exe InstallUtil.exe -
outlook_office_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PI-897657546.exe"C:\Users\Admin\AppData\Local\Temp\PI-897657546.exe"1⤵
- System Binary Proxy Execution: InstallUtil
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2456 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v zumag /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\zumag.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Windows\SysWOW64\reg.exeREG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v zumag /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\zumag.exe"3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:2952 -
C:\Users\Admin\AppData\Roaming\zumag.exe"C:\Users\Admin\AppData\Roaming\zumag.exe"2⤵
- System Binary Proxy Execution: InstallUtil
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2780 -
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2684
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
40KB
MD591c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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Filesize
619KB
MD5bce45e9ce0d7582aadf9258a7f2c11d4
SHA1e6364b28735b2612a871f13bbe0186775a6f3dbd
SHA2567e6df8e621709bf5a958031c2826bc1dccc91cc36fc47e783504342061f7f67c
SHA5129704c9c52a77e04d6f6d54e73ff7acfc4bb2b69cff20f44d2bfaa15154fa8935d7e3a893a5645bccba2af74fc00e9c4f606e4432d665bec74f5362ac7a6cc348