Analysis
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max time kernel
142s -
max time network
120s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
22-10-2021 06:17
Static task
static1
Behavioral task
behavioral1
Sample
shipment doc.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
shipment doc.exe
Resource
win10-en-20211014
General
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Target
shipment doc.exe
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Size
545KB
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MD5
3f447387337591602b837f5b02ab271e
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SHA1
33291bad68b6b05efec4eb10c1092a08b7745e85
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SHA256
958ada8f665a73d481ad974e482e553d2b4e84e895febe16c4766599d60a7225
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SHA512
ceedb818ce417c9aa078bc388f547516feccc5166bcb45c41e085da08e0e4ad8b7f19b249c73e40eec0827cf5f9a21987d5bb7f465d69a4f450e019fc7dd3ae7
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.diva-italia.com - Port:
587 - Username:
info@diva-italia.com - Password:
rr.@%5LjgLz7
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/2648-125-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/2648-126-0x000000000043761E-mapping.dmp family_agenttesla behavioral2/memory/2648-131-0x0000000005300000-0x00000000057FE000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
RegSvcs.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
shipment doc.exedescription pid process target process PID 2704 set thread context of 2648 2704 shipment doc.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 5 IoCs
Processes:
shipment doc.exeRegSvcs.exepid process 2704 shipment doc.exe 2704 shipment doc.exe 2704 shipment doc.exe 2648 RegSvcs.exe 2648 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
shipment doc.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 2704 shipment doc.exe Token: SeDebugPrivilege 2648 RegSvcs.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
shipment doc.exedescription pid process target process PID 2704 wrote to memory of 2852 2704 shipment doc.exe schtasks.exe PID 2704 wrote to memory of 2852 2704 shipment doc.exe schtasks.exe PID 2704 wrote to memory of 2852 2704 shipment doc.exe schtasks.exe PID 2704 wrote to memory of 2648 2704 shipment doc.exe RegSvcs.exe PID 2704 wrote to memory of 2648 2704 shipment doc.exe RegSvcs.exe PID 2704 wrote to memory of 2648 2704 shipment doc.exe RegSvcs.exe PID 2704 wrote to memory of 2648 2704 shipment doc.exe RegSvcs.exe PID 2704 wrote to memory of 2648 2704 shipment doc.exe RegSvcs.exe PID 2704 wrote to memory of 2648 2704 shipment doc.exe RegSvcs.exe PID 2704 wrote to memory of 2648 2704 shipment doc.exe RegSvcs.exe PID 2704 wrote to memory of 2648 2704 shipment doc.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\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-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\shipment doc.exe"C:\Users\Admin\AppData\Local\Temp\shipment doc.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\BqKzAb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9547.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- 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/2648-125-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2648-133-0x0000000005EF0000-0x0000000005EF1000-memory.dmpFilesize
4KB
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memory/2648-132-0x0000000005310000-0x0000000005311000-memory.dmpFilesize
4KB
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memory/2648-131-0x0000000005300000-0x00000000057FE000-memory.dmpFilesize
5.0MB
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memory/2648-126-0x000000000043761E-mapping.dmp
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memory/2704-119-0x00000000053B0000-0x00000000058AE000-memory.dmpFilesize
5.0MB
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memory/2704-122-0x0000000009170000-0x0000000009171000-memory.dmpFilesize
4KB
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memory/2704-123-0x0000000009210000-0x0000000009268000-memory.dmpFilesize
352KB
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memory/2704-121-0x0000000008E40000-0x0000000008E47000-memory.dmpFilesize
28KB
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memory/2704-120-0x00000000055D0000-0x00000000055D1000-memory.dmpFilesize
4KB
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memory/2704-115-0x0000000000A60000-0x0000000000A61000-memory.dmpFilesize
4KB
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memory/2704-118-0x0000000005460000-0x0000000005461000-memory.dmpFilesize
4KB
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memory/2704-117-0x00000000058B0000-0x00000000058B1000-memory.dmpFilesize
4KB
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memory/2852-124-0x0000000000000000-mapping.dmp