Analysis
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max time kernel
147s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 00:39
Static task
static1
Behavioral task
behavioral1
Sample
DHL_DOCUMENT_PDF.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
DHL_DOCUMENT_PDF.exe
Resource
win10v2004-20220414-en
General
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Target
DHL_DOCUMENT_PDF.exe
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Size
573KB
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MD5
312c0bfeb6929a3da423663a3c403c9a
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SHA1
217594abfa972072384d91f18c9a29095edcf9e7
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SHA256
2fac92f45be30249eea9927ec6f5587580269c81d73503ce11bb8e3979fe3286
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SHA512
d5d4b682274514bfe61ee6b18eb732c75174a9fbf7a2f6c71ce50dd575bee01b53414031e608f8df4af3f0c50c2118518f05570f7260a9b8c729e1c6ce07dfc8
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.dkmmotors.com - Port:
587 - Username:
[email protected] - Password:
H44;UgV5.R(b
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/1936-60-0x0000000000400000-0x000000000044A000-memory.dmp family_agenttesla behavioral1/memory/1936-61-0x0000000000400000-0x000000000044A000-memory.dmp family_agenttesla behavioral1/memory/1936-62-0x0000000000400000-0x000000000044A000-memory.dmp family_agenttesla behavioral1/memory/1936-63-0x00000000004458FE-mapping.dmp family_agenttesla behavioral1/memory/1936-65-0x0000000000400000-0x000000000044A000-memory.dmp family_agenttesla behavioral1/memory/1936-67-0x0000000000400000-0x000000000044A000-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:
DHL_DOCUMENT_PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL_DOCUMENT_PDF.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL_DOCUMENT_PDF.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL_DOCUMENT_PDF.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
DHL_DOCUMENT_PDF.exedescription pid process target process PID 852 set thread context of 1936 852 DHL_DOCUMENT_PDF.exe DHL_DOCUMENT_PDF.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
DHL_DOCUMENT_PDF.exepid process 1936 DHL_DOCUMENT_PDF.exe 1936 DHL_DOCUMENT_PDF.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
DHL_DOCUMENT_PDF.exedescription pid process Token: SeDebugPrivilege 1936 DHL_DOCUMENT_PDF.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
DHL_DOCUMENT_PDF.exedescription pid process target process PID 852 wrote to memory of 1936 852 DHL_DOCUMENT_PDF.exe DHL_DOCUMENT_PDF.exe PID 852 wrote to memory of 1936 852 DHL_DOCUMENT_PDF.exe DHL_DOCUMENT_PDF.exe PID 852 wrote to memory of 1936 852 DHL_DOCUMENT_PDF.exe DHL_DOCUMENT_PDF.exe PID 852 wrote to memory of 1936 852 DHL_DOCUMENT_PDF.exe DHL_DOCUMENT_PDF.exe PID 852 wrote to memory of 1936 852 DHL_DOCUMENT_PDF.exe DHL_DOCUMENT_PDF.exe PID 852 wrote to memory of 1936 852 DHL_DOCUMENT_PDF.exe DHL_DOCUMENT_PDF.exe PID 852 wrote to memory of 1936 852 DHL_DOCUMENT_PDF.exe DHL_DOCUMENT_PDF.exe PID 852 wrote to memory of 1936 852 DHL_DOCUMENT_PDF.exe DHL_DOCUMENT_PDF.exe PID 852 wrote to memory of 1936 852 DHL_DOCUMENT_PDF.exe DHL_DOCUMENT_PDF.exe -
outlook_office_path 1 IoCs
Processes:
DHL_DOCUMENT_PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL_DOCUMENT_PDF.exe -
outlook_win_path 1 IoCs
Processes:
DHL_DOCUMENT_PDF.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 DHL_DOCUMENT_PDF.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL_DOCUMENT_PDF.exe"C:\Users\Admin\AppData\Local\Temp\DHL_DOCUMENT_PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DHL_DOCUMENT_PDF.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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memory/852-54-0x0000000000CB0000-0x0000000000D46000-memory.dmpFilesize
600KB
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memory/852-55-0x0000000000550000-0x0000000000558000-memory.dmpFilesize
32KB
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memory/852-56-0x0000000000B60000-0x0000000000BB2000-memory.dmpFilesize
328KB
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memory/1936-57-0x0000000000400000-0x000000000044A000-memory.dmpFilesize
296KB
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memory/1936-58-0x0000000000400000-0x000000000044A000-memory.dmpFilesize
296KB
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memory/1936-60-0x0000000000400000-0x000000000044A000-memory.dmpFilesize
296KB
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memory/1936-61-0x0000000000400000-0x000000000044A000-memory.dmpFilesize
296KB
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memory/1936-62-0x0000000000400000-0x000000000044A000-memory.dmpFilesize
296KB
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memory/1936-63-0x00000000004458FE-mapping.dmp
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memory/1936-65-0x0000000000400000-0x000000000044A000-memory.dmpFilesize
296KB
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memory/1936-67-0x0000000000400000-0x000000000044A000-memory.dmpFilesize
296KB
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memory/1936-68-0x00000000763E1000-0x00000000763E3000-memory.dmpFilesize
8KB