Analysis
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max time kernel
108s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 11:38
Static task
static1
Behavioral task
behavioral1
Sample
Products description.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Products description.exe
Resource
win10v2004-20220414-en
General
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Target
Products description.exe
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Size
598KB
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MD5
62df3974ab561482298cfa714ea69814
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SHA1
4b860c8f44c042b186696f90d16d13c18b1ada82
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SHA256
44ce0aee858d173dd0575154562f83765798c772f2d22781a107713619d77da5
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SHA512
97d9e0f077acca676c72d685ec1618ffce675a6719b1942052b1e7e9363940626ade72fbea990c4d5fb5ae94d46a6ef1f80e064072e6bbc9fcc2167cce62fd2f
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
alibaba123
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
alibaba123
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1112-136-0x0000000000600000-0x000000000064C000-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:
Products description.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Products description.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Products description.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Products description.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Products description.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YwxGLc = "C:\\Users\\Admin\\AppData\\Local\\Temp\\YwxGLc\\YwxGLc.exe" Products description.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Products description.exedescription pid process target process PID 1472 set thread context of 1112 1472 Products description.exe Products description.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
Products description.exeProducts description.exepid process 1472 Products description.exe 1472 Products description.exe 1472 Products description.exe 1112 Products description.exe 1112 Products description.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Products description.exeProducts description.exedescription pid process Token: SeDebugPrivilege 1472 Products description.exe Token: SeDebugPrivilege 1112 Products description.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Products description.exepid process 1112 Products description.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Products description.exedescription pid process target process PID 1472 wrote to memory of 1112 1472 Products description.exe Products description.exe PID 1472 wrote to memory of 1112 1472 Products description.exe Products description.exe PID 1472 wrote to memory of 1112 1472 Products description.exe Products description.exe PID 1472 wrote to memory of 1112 1472 Products description.exe Products description.exe PID 1472 wrote to memory of 1112 1472 Products description.exe Products description.exe PID 1472 wrote to memory of 1112 1472 Products description.exe Products description.exe PID 1472 wrote to memory of 1112 1472 Products description.exe Products description.exe PID 1472 wrote to memory of 1112 1472 Products description.exe Products description.exe -
outlook_office_path 1 IoCs
Processes:
Products description.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Products description.exe -
outlook_win_path 1 IoCs
Processes:
Products description.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 Products description.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Products description.exe"C:\Users\Admin\AppData\Local\Temp\Products description.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\Products description.exe"C:\Users\Admin\AppData\Local\Temp\Products description.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- 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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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Products description.exe.logFilesize
1KB
MD5fc13935f3038bdde6cb484249fbff668
SHA1a4c32013e6d59bf1eb1a5119456965de191e62b8
SHA256de064c569a5f4edaf2da91d7bcb82bab06a35190b699cede1da0aa616a23d676
SHA5125817275af0f8a48eb1e008d39f62fb3582db9a2d21a806e9f9ee36fbfd799fb17e91f0e3686f4b236724fe78f14ae7f40cd3755f0ec0fb6734ce42f996b798f7
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memory/1112-133-0x0000000000000000-mapping.dmp
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memory/1112-136-0x0000000000600000-0x000000000064C000-memory.dmpFilesize
304KB
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memory/1112-137-0x0000000004D20000-0x0000000004DBC000-memory.dmpFilesize
624KB
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memory/1112-138-0x0000000005990000-0x00000000059F6000-memory.dmpFilesize
408KB
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memory/1112-139-0x00000000060F0000-0x0000000006140000-memory.dmpFilesize
320KB
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memory/1112-140-0x00000000064B0000-0x00000000064BA000-memory.dmpFilesize
40KB
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memory/1472-130-0x0000000000790000-0x000000000082A000-memory.dmpFilesize
616KB
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memory/1472-131-0x0000000005FB0000-0x0000000006554000-memory.dmpFilesize
5.6MB
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memory/1472-132-0x0000000005AF0000-0x0000000005B82000-memory.dmpFilesize
584KB