Analysis
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max time kernel
123s -
max time network
135s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
21-10-2021 13:36
Static task
static1
Behavioral task
behavioral1
Sample
DHL Online Receipt.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
DHL Online Receipt.exe
Resource
win10-en-20210920
General
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Target
DHL Online Receipt.exe
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Size
501KB
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MD5
b265fa5c20dcb7fc8a7c715f5194edcf
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SHA1
c6e34ec56347f92353148f221b36e06b99b173b9
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SHA256
704c8c0960f492c87928d15659a3e16df0c76591d0abaa83a011c58d4fd98ae2
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SHA512
9351234939bad33f778cc54cfb848ea2cb6a6795ad671e7aa3bd0d39c3ab7a125c0ddc63404635b83a3a4515cc0a1ea655c2f1579eda7c9aa4dfde88ad1df255
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
sandra.hurm@voestallpine.com - Password:
project2021blessing
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 behavioral2/memory/3260-124-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3260-125-0x000000000043762E-mapping.dmp family_agenttesla behavioral2/memory/3260-130-0x0000000004D90000-0x000000000528E000-memory.dmp family_agenttesla behavioral2/memory/3260-135-0x0000000004D90000-0x000000000528E000-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-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\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-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
DHL Online Receipt.exedescription pid process target process PID 3564 set thread context of 3260 3564 DHL Online Receipt.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
DHL Online Receipt.exeRegSvcs.exepid process 3564 DHL Online Receipt.exe 3564 DHL Online Receipt.exe 3260 RegSvcs.exe 3260 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
DHL Online Receipt.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 3564 DHL Online Receipt.exe Token: SeDebugPrivilege 3260 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
DHL Online Receipt.exedescription pid process target process PID 3564 wrote to memory of 3260 3564 DHL Online Receipt.exe RegSvcs.exe PID 3564 wrote to memory of 3260 3564 DHL Online Receipt.exe RegSvcs.exe PID 3564 wrote to memory of 3260 3564 DHL Online Receipt.exe RegSvcs.exe PID 3564 wrote to memory of 3260 3564 DHL Online Receipt.exe RegSvcs.exe PID 3564 wrote to memory of 3260 3564 DHL Online Receipt.exe RegSvcs.exe PID 3564 wrote to memory of 3260 3564 DHL Online Receipt.exe RegSvcs.exe PID 3564 wrote to memory of 3260 3564 DHL Online Receipt.exe RegSvcs.exe PID 3564 wrote to memory of 3260 3564 DHL Online Receipt.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\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-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL Online Receipt.exe"C:\Users\Admin\AppData\Local\Temp\DHL Online Receipt.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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/3260-124-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3260-135-0x0000000004D90000-0x000000000528E000-memory.dmpFilesize
5.0MB
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memory/3260-132-0x0000000005B80000-0x0000000005B81000-memory.dmpFilesize
4KB
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memory/3260-131-0x0000000005200000-0x0000000005201000-memory.dmpFilesize
4KB
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memory/3260-130-0x0000000004D90000-0x000000000528E000-memory.dmpFilesize
5.0MB
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memory/3260-125-0x000000000043762E-mapping.dmp
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memory/3564-119-0x00000000050B0000-0x00000000050B1000-memory.dmpFilesize
4KB
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memory/3564-123-0x0000000005F40000-0x0000000005F98000-memory.dmpFilesize
352KB
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memory/3564-122-0x0000000005EA0000-0x0000000005EA1000-memory.dmpFilesize
4KB
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memory/3564-121-0x0000000005100000-0x00000000055FE000-memory.dmpFilesize
5.0MB
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memory/3564-120-0x00000000050E0000-0x00000000050E7000-memory.dmpFilesize
28KB
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memory/3564-115-0x00000000006C0000-0x00000000006C1000-memory.dmpFilesize
4KB
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memory/3564-118-0x0000000005100000-0x0000000005101000-memory.dmpFilesize
4KB
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memory/3564-117-0x0000000005600000-0x0000000005601000-memory.dmpFilesize
4KB