Analysis
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max time kernel
144s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 00:59
Static task
static1
Behavioral task
behavioral1
Sample
technical requirement.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
technical requirement.exe
Resource
win10v2004-20220414-en
General
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Target
technical requirement.exe
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Size
442KB
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MD5
47ee6d7bbfce07dc6ef3534e002583f6
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SHA1
907690f794bd018d8131dd527a8022a24eb91822
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SHA256
f688b463a057afb9a38b9c380035f17579bc1f4b12b8041a5c5f388d11ff9158
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SHA512
aeed898ef3f6cbba61412e3097e3831ffed539afcb7c75635fc7c8215e59c3fbca6a271efa2d50fa73d5684da064b27742e7a39c685f532abff442ce885e57a1
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.privateemail.com - Port:
587 - Username:
[email protected] - Password:
@damienzy.xyz2240
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/2044-61-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla behavioral1/memory/2044-62-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla behavioral1/memory/2044-63-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla behavioral1/memory/2044-64-0x0000000000448DCE-mapping.dmp family_agenttesla behavioral1/memory/2044-66-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla behavioral1/memory/2044-68-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
technical requirement.exedescription pid process target process PID 1172 set thread context of 2044 1172 technical requirement.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 3 IoCs
Processes:
technical requirement.exeRegSvcs.exepid process 1172 technical requirement.exe 2044 RegSvcs.exe 2044 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
technical requirement.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1172 technical requirement.exe Token: SeDebugPrivilege 2044 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
technical requirement.exedescription pid process target process PID 1172 wrote to memory of 960 1172 technical requirement.exe schtasks.exe PID 1172 wrote to memory of 960 1172 technical requirement.exe schtasks.exe PID 1172 wrote to memory of 960 1172 technical requirement.exe schtasks.exe PID 1172 wrote to memory of 960 1172 technical requirement.exe schtasks.exe PID 1172 wrote to memory of 2044 1172 technical requirement.exe RegSvcs.exe PID 1172 wrote to memory of 2044 1172 technical requirement.exe RegSvcs.exe PID 1172 wrote to memory of 2044 1172 technical requirement.exe RegSvcs.exe PID 1172 wrote to memory of 2044 1172 technical requirement.exe RegSvcs.exe PID 1172 wrote to memory of 2044 1172 technical requirement.exe RegSvcs.exe PID 1172 wrote to memory of 2044 1172 technical requirement.exe RegSvcs.exe PID 1172 wrote to memory of 2044 1172 technical requirement.exe RegSvcs.exe PID 1172 wrote to memory of 2044 1172 technical requirement.exe RegSvcs.exe PID 1172 wrote to memory of 2044 1172 technical requirement.exe RegSvcs.exe PID 1172 wrote to memory of 2044 1172 technical requirement.exe RegSvcs.exe PID 1172 wrote to memory of 2044 1172 technical requirement.exe RegSvcs.exe PID 1172 wrote to memory of 2044 1172 technical requirement.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\technical requirement.exe"C:\Users\Admin\AppData\Local\Temp\technical requirement.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jacTmtEj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5BC.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"{path}"2⤵
- 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\tmp5BC.tmpFilesize
1KB
MD5619adab9759d56e3cce4fd680803ebfd
SHA1315312f570df7cfe080c6e2220ae20f32a4c208a
SHA256790217c06252383b1f956da761eb7b168c3970229c361e297301600d54fe9a1e
SHA512b5ad76da6f918c6d6fdd3fa3619196444f7c56bbe62b8c12751db04c5406e88a8c0ccffb6789d45aec46b6e07562b0e96d6ac38d3a4af3d2c7665b9f533999dc
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memory/960-56-0x0000000000000000-mapping.dmp
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memory/1172-54-0x00000000755A1000-0x00000000755A3000-memory.dmpFilesize
8KB
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memory/1172-55-0x0000000074230000-0x00000000747DB000-memory.dmpFilesize
5.7MB
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memory/2044-61-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/2044-59-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/2044-58-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/2044-62-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/2044-63-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/2044-64-0x0000000000448DCE-mapping.dmp
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memory/2044-66-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/2044-68-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/2044-70-0x0000000074230000-0x00000000747DB000-memory.dmpFilesize
5.7MB