Analysis
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max time kernel
128s -
max time network
120s -
platform
windows7_x64 -
resource
win7-en-20211014 -
submitted
19-10-2021 12:40
Static task
static1
Behavioral task
behavioral1
Sample
new order 00041221.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
new order 00041221.exe
Resource
win10-en-20210920
General
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Target
new order 00041221.exe
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Size
400KB
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MD5
732de5ad320a92c57f1973c02147befe
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SHA1
8c1d8475d0800d148448e3380e9e6b7e0ccdc562
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SHA256
ab117e0e873dc84ac3c9d5498f5eeae6672a9b999fc59c0cbd66c6591c96ebd4
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SHA512
a9231a8327485c2776b9494ef4429412dc7cb10270f7669039814bbcbd3d24c7f6eac8a96bb0021be47840357d5a6d00e654f3fcf2414f75919075095170a5c6
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
e)cnIdR1
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/828-65-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/828-66-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/828-67-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/828-68-0x0000000000436D6E-mapping.dmp family_agenttesla behavioral1/memory/828-69-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
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:
new order 00041221.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 new order 00041221.exe Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 new order 00041221.exe Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 new order 00041221.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
new order 00041221.exedescription pid process target process PID 2016 set thread context of 828 2016 new order 00041221.exe new order 00041221.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 4 IoCs
Processes:
new order 00041221.exenew order 00041221.exepid process 2016 new order 00041221.exe 2016 new order 00041221.exe 828 new order 00041221.exe 828 new order 00041221.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
new order 00041221.exenew order 00041221.exedescription pid process Token: SeDebugPrivilege 2016 new order 00041221.exe Token: SeDebugPrivilege 828 new order 00041221.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
new order 00041221.exepid process 2016 new order 00041221.exe 2016 new order 00041221.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
new order 00041221.exedescription pid process target process PID 2016 wrote to memory of 1220 2016 new order 00041221.exe schtasks.exe PID 2016 wrote to memory of 1220 2016 new order 00041221.exe schtasks.exe PID 2016 wrote to memory of 1220 2016 new order 00041221.exe schtasks.exe PID 2016 wrote to memory of 1220 2016 new order 00041221.exe schtasks.exe PID 2016 wrote to memory of 828 2016 new order 00041221.exe new order 00041221.exe PID 2016 wrote to memory of 828 2016 new order 00041221.exe new order 00041221.exe PID 2016 wrote to memory of 828 2016 new order 00041221.exe new order 00041221.exe PID 2016 wrote to memory of 828 2016 new order 00041221.exe new order 00041221.exe PID 2016 wrote to memory of 828 2016 new order 00041221.exe new order 00041221.exe PID 2016 wrote to memory of 828 2016 new order 00041221.exe new order 00041221.exe PID 2016 wrote to memory of 828 2016 new order 00041221.exe new order 00041221.exe PID 2016 wrote to memory of 828 2016 new order 00041221.exe new order 00041221.exe PID 2016 wrote to memory of 828 2016 new order 00041221.exe new order 00041221.exe -
outlook_office_path 1 IoCs
Processes:
new order 00041221.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 new order 00041221.exe -
outlook_win_path 1 IoCs
Processes:
new order 00041221.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 new order 00041221.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\new order 00041221.exe"C:\Users\Admin\AppData\Local\Temp\new order 00041221.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hzQYeJgCInuHX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7FCA.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\new order 00041221.exe"C:\Users\Admin\AppData\Local\Temp\new order 00041221.exe"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
Loading Replay Monitor...
Downloads
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memory/828-67-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/828-65-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/828-71-0x0000000004B90000-0x0000000004B91000-memory.dmpFilesize
4KB
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memory/828-69-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/828-63-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/828-68-0x0000000000436D6E-mapping.dmp
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memory/828-66-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/828-64-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1220-62-0x0000000000000000-mapping.dmp
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memory/2016-58-0x0000000004731000-0x0000000004732000-memory.dmpFilesize
4KB
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memory/2016-61-0x0000000004E40000-0x0000000004E97000-memory.dmpFilesize
348KB
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memory/2016-56-0x0000000075B71000-0x0000000075B73000-memory.dmpFilesize
8KB
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memory/2016-54-0x0000000000130000-0x0000000000131000-memory.dmpFilesize
4KB
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memory/2016-60-0x0000000000540000-0x0000000000548000-memory.dmpFilesize
32KB
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memory/2016-59-0x0000000004732000-0x0000000004733000-memory.dmpFilesize
4KB
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memory/2016-57-0x0000000004730000-0x0000000004731000-memory.dmpFilesize
4KB