Analysis
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max time kernel
117s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 10:35
Static task
static1
Behavioral task
behavioral1
Sample
Payment Copy.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Payment Copy.exe
Resource
win10v2004-20220414-en
General
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Target
Payment Copy.exe
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Size
510KB
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MD5
f554bb70eb38b2cdf9612469ba094651
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SHA1
b40eb3a92f67f8a2206cf74d4caaa7a7f8b9d64b
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SHA256
464e7363198201699fa0503be713d1776fb07eefc63830cd08494f26ec93ba8b
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SHA512
281aca43b9c52eddfc0dfe2c15d7c852680f33a9c3d8fdf39e56b4ad723e4853ef85270100fa6b25963d254a6c62e836ddde67592f683d425f34f73a530ecee5
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.chenklins.com - Port:
587 - Username:
[email protected] - Password:
WIMo-3%Zv,N.
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1632-58-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla behavioral1/memory/1632-59-0x000000000046118E-mapping.dmp family_agenttesla behavioral1/memory/1632-61-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla behavioral1/memory/1632-63-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Payment Copy.exedescription pid process target process PID 872 set thread context of 1632 872 Payment Copy.exe MSBuild.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid process 1632 MSBuild.exe 1632 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 1632 MSBuild.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
MSBuild.exepid process 1632 MSBuild.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
Payment Copy.execmd.exedescription pid process target process PID 872 wrote to memory of 1108 872 Payment Copy.exe cmd.exe PID 872 wrote to memory of 1108 872 Payment Copy.exe cmd.exe PID 872 wrote to memory of 1108 872 Payment Copy.exe cmd.exe PID 872 wrote to memory of 1108 872 Payment Copy.exe cmd.exe PID 1108 wrote to memory of 2028 1108 cmd.exe schtasks.exe PID 1108 wrote to memory of 2028 1108 cmd.exe schtasks.exe PID 1108 wrote to memory of 2028 1108 cmd.exe schtasks.exe PID 1108 wrote to memory of 2028 1108 cmd.exe schtasks.exe PID 872 wrote to memory of 1632 872 Payment Copy.exe MSBuild.exe PID 872 wrote to memory of 1632 872 Payment Copy.exe MSBuild.exe PID 872 wrote to memory of 1632 872 Payment Copy.exe MSBuild.exe PID 872 wrote to memory of 1632 872 Payment Copy.exe MSBuild.exe PID 872 wrote to memory of 1632 872 Payment Copy.exe MSBuild.exe PID 872 wrote to memory of 1632 872 Payment Copy.exe MSBuild.exe PID 872 wrote to memory of 1632 872 Payment Copy.exe MSBuild.exe PID 872 wrote to memory of 1632 872 Payment Copy.exe MSBuild.exe PID 872 wrote to memory of 1632 872 Payment Copy.exe MSBuild.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe"C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd /c schtasks /Create /TN registery /XML "C:\Users\Admin\AppData\Local\Temp\ecac908572b4480db8bdd024c7712d15.xml"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /Create /TN registery /XML "C:\Users\Admin\AppData\Local\Temp\ecac908572b4480db8bdd024c7712d15.xml"3⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- 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\ecac908572b4480db8bdd024c7712d15.xmlFilesize
1KB
MD520af46aa6925a3b6d1d495cddfc9bce7
SHA194c29e6a04a2c1c4ffc5006b431dd9d41cdb837c
SHA256705527f99c916ccf9f5e0c85ecf4d336b2fb68ca734ebf0238d2770837807343
SHA5125b5c689ddd7f5bfcc54d36e63b127bdba39532290efde4c4c129e9e4c7652207ff3591faedb7d21e5f44f3d064991ed3481866579f9abd775045e2b58008d80a
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memory/872-57-0x0000000000990000-0x0000000000A13000-memory.dmpFilesize
524KB
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memory/1108-54-0x0000000000000000-mapping.dmp
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memory/1632-58-0x0000000000400000-0x0000000000466000-memory.dmpFilesize
408KB
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memory/1632-59-0x000000000046118E-mapping.dmp
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memory/1632-61-0x0000000000400000-0x0000000000466000-memory.dmpFilesize
408KB
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memory/1632-63-0x0000000000400000-0x0000000000466000-memory.dmpFilesize
408KB
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memory/1632-64-0x0000000076721000-0x0000000076723000-memory.dmpFilesize
8KB
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memory/1632-65-0x0000000074A50000-0x0000000074FFB000-memory.dmpFilesize
5.7MB
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memory/2028-55-0x0000000000000000-mapping.dmp