Analysis
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max time kernel
137s -
max time network
40s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
18-10-2021 19:12
Static task
static1
Behavioral task
behavioral1
Sample
SHIPPING DOCUMENT & PL.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
SHIPPING DOCUMENT & PL.exe
Resource
win10-en-20211014
General
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Target
SHIPPING DOCUMENT & PL.exe
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Size
476KB
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MD5
b4bf9d3bda738a3d6794dfb47a85f011
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SHA1
b81cfd36eed1b54cc8dd3001f1c3f6e007b3748b
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SHA256
695d9cd287ce5ee85681b570ee37daa421550dc4b25101240bba64245a729bd9
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SHA512
76259472997a20a2641acd4f797e25abbae63c989a45df7489f643175e6fc9187f616b2044dc0f49ea47904109e16fa7bf826658bd1f48acb6fd6f90d42b90a2
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.davaobay.com.ph - Port:
587 - Username:
[email protected] - Password:
p@ssw0rd
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/1836-60-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1836-62-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1836-61-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1836-63-0x00000000004376CE-mapping.dmp family_agenttesla behavioral1/memory/1836-64-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
SHIPPING DOCUMENT & PL.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts SHIPPING DOCUMENT & PL.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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:
SHIPPING DOCUMENT & PL.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SHIPPING DOCUMENT & PL.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SHIPPING DOCUMENT & PL.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SHIPPING DOCUMENT & PL.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
SHIPPING DOCUMENT & PL.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\tKZVPq = "C:\\Users\\Admin\\AppData\\Roaming\\tKZVPq\\tKZVPq.exe" SHIPPING DOCUMENT & PL.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SHIPPING DOCUMENT & PL.exedescription pid process target process PID 1080 set thread context of 1836 1080 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
SHIPPING DOCUMENT & PL.exepid process 1836 SHIPPING DOCUMENT & PL.exe 1836 SHIPPING DOCUMENT & PL.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
SHIPPING DOCUMENT & PL.exedescription pid process Token: SeDebugPrivilege 1836 SHIPPING DOCUMENT & PL.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
SHIPPING DOCUMENT & PL.exedescription pid process target process PID 1080 wrote to memory of 1836 1080 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe PID 1080 wrote to memory of 1836 1080 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe PID 1080 wrote to memory of 1836 1080 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe PID 1080 wrote to memory of 1836 1080 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe PID 1080 wrote to memory of 1836 1080 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe PID 1080 wrote to memory of 1836 1080 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe PID 1080 wrote to memory of 1836 1080 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe PID 1080 wrote to memory of 1836 1080 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe PID 1080 wrote to memory of 1836 1080 SHIPPING DOCUMENT & PL.exe SHIPPING DOCUMENT & PL.exe -
outlook_office_path 1 IoCs
Processes:
SHIPPING DOCUMENT & PL.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SHIPPING DOCUMENT & PL.exe -
outlook_win_path 1 IoCs
Processes:
SHIPPING DOCUMENT & PL.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SHIPPING DOCUMENT & PL.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT & PL.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT & PL.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1080 -
C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT & PL.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT & PL.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
PID:1836