Analysis
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max time kernel
122s -
max time network
120s -
platform
windows7_x64 -
resource
win7-en-20211014 -
submitted
25-10-2021 08:09
Static task
static1
Behavioral task
behavioral1
Sample
752fc005d190553303f64c0facf5b44c.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
752fc005d190553303f64c0facf5b44c.exe
Resource
win10-en-20211014
General
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Target
752fc005d190553303f64c0facf5b44c.exe
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Size
1.1MB
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MD5
752fc005d190553303f64c0facf5b44c
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SHA1
331165e04f47e13f5c331bb0b94c8b9e7b40850e
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SHA256
a32e674bcf37839c6632ea98bbef365e935a342a1fe746a1658261dd86d65c21
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SHA512
57dcb98ca451053ade15e103bf0c3b44bb8158c375b11202e5995a39511f403817b09c75ac67b05f8d99ccd33690c429c43fc69e126f50a28ea883b0c0b88b07
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.xenonaslikno.gr - Port:
587 - Username:
[email protected] - Password:
Fox#UgJVGN#0X
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/1072-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1072-64-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1072-66-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1072-67-0x000000000043766E-mapping.dmp family_agenttesla behavioral1/memory/1072-70-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Executes dropped EXE 1 IoCs
Processes:
InstallUtil.exepid process 1072 InstallUtil.exe -
Loads dropped DLL 1 IoCs
Processes:
752fc005d190553303f64c0facf5b44c.exepid process 1388 752fc005d190553303f64c0facf5b44c.exe -
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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
752fc005d190553303f64c0facf5b44c.exedescription pid process target process PID 1388 set thread context of 1072 1388 752fc005d190553303f64c0facf5b44c.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
752fc005d190553303f64c0facf5b44c.exeInstallUtil.exepid process 1388 752fc005d190553303f64c0facf5b44c.exe 1072 InstallUtil.exe 1072 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
752fc005d190553303f64c0facf5b44c.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 1388 752fc005d190553303f64c0facf5b44c.exe Token: SeDebugPrivilege 1072 InstallUtil.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
752fc005d190553303f64c0facf5b44c.exedescription pid process target process PID 1388 wrote to memory of 1072 1388 752fc005d190553303f64c0facf5b44c.exe InstallUtil.exe PID 1388 wrote to memory of 1072 1388 752fc005d190553303f64c0facf5b44c.exe InstallUtil.exe PID 1388 wrote to memory of 1072 1388 752fc005d190553303f64c0facf5b44c.exe InstallUtil.exe PID 1388 wrote to memory of 1072 1388 752fc005d190553303f64c0facf5b44c.exe InstallUtil.exe PID 1388 wrote to memory of 1072 1388 752fc005d190553303f64c0facf5b44c.exe InstallUtil.exe PID 1388 wrote to memory of 1072 1388 752fc005d190553303f64c0facf5b44c.exe InstallUtil.exe PID 1388 wrote to memory of 1072 1388 752fc005d190553303f64c0facf5b44c.exe InstallUtil.exe PID 1388 wrote to memory of 1072 1388 752fc005d190553303f64c0facf5b44c.exe InstallUtil.exe PID 1388 wrote to memory of 1072 1388 752fc005d190553303f64c0facf5b44c.exe InstallUtil.exe PID 1388 wrote to memory of 1072 1388 752fc005d190553303f64c0facf5b44c.exe InstallUtil.exe PID 1388 wrote to memory of 1072 1388 752fc005d190553303f64c0facf5b44c.exe InstallUtil.exe PID 1388 wrote to memory of 1072 1388 752fc005d190553303f64c0facf5b44c.exe InstallUtil.exe -
outlook_office_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\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-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\752fc005d190553303f64c0facf5b44c.exe"C:\Users\Admin\AppData\Local\Temp\752fc005d190553303f64c0facf5b44c.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\\InstallUtil.exe"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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memory/1072-67-0x000000000043766E-mapping.dmp
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memory/1072-73-0x00000000049A1000-0x00000000049A2000-memory.dmpFilesize
4KB
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memory/1072-61-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1072-62-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1072-63-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1072-64-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1072-72-0x00000000049A0000-0x00000000049A1000-memory.dmpFilesize
4KB
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memory/1072-66-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1072-70-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1388-65-0x0000000004C71000-0x0000000004C72000-memory.dmpFilesize
4KB
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memory/1388-57-0x0000000004C70000-0x0000000004C71000-memory.dmpFilesize
4KB
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memory/1388-58-0x0000000001E80000-0x0000000001EA4000-memory.dmpFilesize
144KB
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memory/1388-59-0x00000000042C0000-0x00000000042CA000-memory.dmpFilesize
40KB
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memory/1388-55-0x0000000000950000-0x0000000000951000-memory.dmpFilesize
4KB