Analysis
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max time kernel
90s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 10:52
Static task
static1
Behavioral task
behavioral1
Sample
sam334.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
sam334.exe
Resource
win10v2004-20220414-en
General
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Target
sam334.exe
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Size
730KB
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MD5
09f3daddaec326433de907b3653d58e5
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SHA1
42886f9f361dc8aee4820d087dbbb865261b26ed
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SHA256
c04c4bb521cb18dc16fbacc4220c0f854bfadfdc0c016ec6fd868d52fe8c3e08
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SHA512
050fb5a6c3dbc0af923b29c16c11d3b65dfc57d3d53590ca324924b5bd66d2f666be65fd8ed72b7fcf2b3dbdf8732ed64c5e24dae3ac7c97c2414cec1f8c728c
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.shrc-india.com - Port:
587 - Username:
[email protected] - Password:
Orders@9999
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/2640-132-0x0000000000940000-0x0000000000992000-memory.dmp family_agenttesla behavioral2/memory/2640-134-0x0000000000940000-0x0000000000992000-memory.dmp family_agenttesla -
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:
sam334.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 sam334.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 sam334.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 sam334.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
sam334.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yxUsF = "C:\\Users\\Admin\\AppData\\Roaming\\yxUsF\\yxUsF.exe" sam334.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
sam334.exedescription pid process target process PID 4956 set thread context of 2640 4956 sam334.exe sam334.exe -
Suspicious behavior: EnumeratesProcesses 60 IoCs
Processes:
sam334.exesam334.exesam334.exepid process 4956 sam334.exe 4956 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 5036 sam334.exe 2640 sam334.exe 2640 sam334.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
sam334.exepid process 4956 sam334.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
sam334.exepid process 2640 sam334.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
sam334.exedescription pid process Token: SeDebugPrivilege 2640 sam334.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
sam334.exesam334.exedescription pid process target process PID 4956 wrote to memory of 2640 4956 sam334.exe sam334.exe PID 4956 wrote to memory of 2640 4956 sam334.exe sam334.exe PID 4956 wrote to memory of 2640 4956 sam334.exe sam334.exe PID 4956 wrote to memory of 5036 4956 sam334.exe sam334.exe PID 4956 wrote to memory of 5036 4956 sam334.exe sam334.exe PID 4956 wrote to memory of 5036 4956 sam334.exe sam334.exe PID 2640 wrote to memory of 264 2640 sam334.exe netsh.exe PID 2640 wrote to memory of 264 2640 sam334.exe netsh.exe PID 2640 wrote to memory of 264 2640 sam334.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
sam334.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 sam334.exe -
outlook_win_path 1 IoCs
Processes:
sam334.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 sam334.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\sam334.exe"C:\Users\Admin\AppData\Local\Temp\sam334.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\sam334.exe"C:\Users\Admin\AppData\Local\Temp\sam334.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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C:\Users\Admin\AppData\Local\Temp\sam334.exe"C:\Users\Admin\AppData\Local\Temp\sam334.exe" 2 2640 2405711092⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/264-140-0x0000000000000000-mapping.dmp
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memory/2640-136-0x0000000004D60000-0x0000000005304000-memory.dmpFilesize
5.6MB
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memory/2640-132-0x0000000000940000-0x0000000000992000-memory.dmpFilesize
328KB
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memory/2640-134-0x0000000000940000-0x0000000000992000-memory.dmpFilesize
328KB
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memory/2640-130-0x0000000000000000-mapping.dmp
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memory/2640-137-0x0000000004A70000-0x0000000004B02000-memory.dmpFilesize
584KB
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memory/2640-138-0x0000000004B30000-0x0000000004BCC000-memory.dmpFilesize
624KB
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memory/2640-139-0x0000000005900000-0x0000000005966000-memory.dmpFilesize
408KB
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memory/2640-141-0x0000000005E30000-0x0000000005E80000-memory.dmpFilesize
320KB
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memory/2640-142-0x00000000062C0000-0x00000000062CA000-memory.dmpFilesize
40KB
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memory/4956-133-0x0000000000400000-0x00000000004BE000-memory.dmpFilesize
760KB
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memory/5036-135-0x0000000000400000-0x00000000004BE000-memory.dmpFilesize
760KB
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memory/5036-131-0x0000000000000000-mapping.dmp