Analysis
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max time kernel
131s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-05-2022 23:21
Static task
static1
Behavioral task
behavioral1
Sample
Purchase order - OUR PO NO. 26107 - 26118.pdf.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Purchase order - OUR PO NO. 26107 - 26118.pdf.exe
Resource
win10v2004-20220414-en
General
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Target
Purchase order - OUR PO NO. 26107 - 26118.pdf.exe
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Size
437KB
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MD5
79beaf628d291f7318d798335ea15066
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SHA1
434b3eadddebc887c01a3cce8c58380d08347ed0
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SHA256
7c6daca6a52996bc0826de8ca299e32b7d95be0e19df0b14149cd8aad22e366c
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SHA512
08f8d30bd82ea3b6a1f7f4e8795c021ee2516c7f300ebc2fc4d13c7731a3690c665614d1596656cab3689f712663be8df617ba4697efa8e460fb481d49493be3
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
Loverboy123
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/2044-62-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2044-63-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2044-64-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2044-65-0x000000000044736E-mapping.dmp family_agenttesla behavioral1/memory/2044-67-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2044-69-0x0000000000400000-0x000000000044C000-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:
Purchase order - OUR PO NO. 26107 - 26118.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Purchase order - OUR PO NO. 26107 - 26118.pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe" Purchase order - OUR PO NO. 26107 - 26118.pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Purchase order - OUR PO NO. 26107 - 26118.pdf.exedescription pid process target process PID 1944 set thread context of 2044 1944 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe Purchase order - OUR PO NO. 26107 - 26118.pdf.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
Purchase order - OUR PO NO. 26107 - 26118.pdf.exePurchase order - OUR PO NO. 26107 - 26118.pdf.exepid process 1944 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe 1944 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe 1944 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe 2044 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe 2044 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
Purchase order - OUR PO NO. 26107 - 26118.pdf.exepid process 2044 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Purchase order - OUR PO NO. 26107 - 26118.pdf.exePurchase order - OUR PO NO. 26107 - 26118.pdf.exedescription pid process Token: SeDebugPrivilege 1944 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe Token: SeDebugPrivilege 2044 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
Purchase order - OUR PO NO. 26107 - 26118.pdf.exedescription pid process target process PID 1944 wrote to memory of 2000 1944 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe Purchase order - OUR PO NO. 26107 - 26118.pdf.exe PID 1944 wrote to memory of 2000 1944 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe Purchase order - OUR PO NO. 26107 - 26118.pdf.exe PID 1944 wrote to memory of 2000 1944 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe Purchase order - OUR PO NO. 26107 - 26118.pdf.exe PID 1944 wrote to memory of 2000 1944 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe Purchase order - OUR PO NO. 26107 - 26118.pdf.exe PID 1944 wrote to memory of 2044 1944 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe Purchase order - OUR PO NO. 26107 - 26118.pdf.exe PID 1944 wrote to memory of 2044 1944 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe Purchase order - OUR PO NO. 26107 - 26118.pdf.exe PID 1944 wrote to memory of 2044 1944 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe Purchase order - OUR PO NO. 26107 - 26118.pdf.exe PID 1944 wrote to memory of 2044 1944 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe Purchase order - OUR PO NO. 26107 - 26118.pdf.exe PID 1944 wrote to memory of 2044 1944 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe Purchase order - OUR PO NO. 26107 - 26118.pdf.exe PID 1944 wrote to memory of 2044 1944 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe Purchase order - OUR PO NO. 26107 - 26118.pdf.exe PID 1944 wrote to memory of 2044 1944 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe Purchase order - OUR PO NO. 26107 - 26118.pdf.exe PID 1944 wrote to memory of 2044 1944 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe Purchase order - OUR PO NO. 26107 - 26118.pdf.exe PID 1944 wrote to memory of 2044 1944 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe Purchase order - OUR PO NO. 26107 - 26118.pdf.exe -
outlook_office_path 1 IoCs
Processes:
Purchase order - OUR PO NO. 26107 - 26118.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe -
outlook_win_path 1 IoCs
Processes:
Purchase order - OUR PO NO. 26107 - 26118.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase order - OUR PO NO. 26107 - 26118.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase order - OUR PO NO. 26107 - 26118.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Purchase order - OUR PO NO. 26107 - 26118.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Purchase order - OUR PO NO. 26107 - 26118.pdf.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\Purchase order - OUR PO NO. 26107 - 26118.pdf.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- 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/1944-54-0x0000000000E10000-0x0000000000E84000-memory.dmpFilesize
464KB
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memory/1944-55-0x00000000753C1000-0x00000000753C3000-memory.dmpFilesize
8KB
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memory/1944-56-0x0000000000940000-0x0000000000950000-memory.dmpFilesize
64KB
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memory/1944-57-0x0000000000BA0000-0x0000000000BFC000-memory.dmpFilesize
368KB
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memory/1944-58-0x0000000004290000-0x00000000042DC000-memory.dmpFilesize
304KB
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memory/2044-59-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/2044-60-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/2044-62-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/2044-63-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/2044-64-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/2044-65-0x000000000044736E-mapping.dmp
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memory/2044-67-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/2044-69-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB