Analysis
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max time kernel
151s -
max time network
137s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
19-10-2021 09:53
Static task
static1
Behavioral task
behavioral1
Sample
699adf49daa7dbd1e4bd58f741415d68148ad899.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
699adf49daa7dbd1e4bd58f741415d68148ad899.exe
Resource
win10-en-20211014
General
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Target
699adf49daa7dbd1e4bd58f741415d68148ad899.exe
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Size
888KB
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MD5
2659cfdc90835a44bdd248353adff686
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SHA1
699adf49daa7dbd1e4bd58f741415d68148ad899
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SHA256
1e3fba0ca8ada098611e59200a6f26d8c0b966f54aab1cc48991f8eb62f604eb
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SHA512
fdb2388131b0298fe59f529b4611ba6bb7698e89376a9e61bfc6e14580b3a9d59c74024520d7a30daf05ce04fff34dffbf064bc72bed27b58f94cfa857c076db
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.mail.ru - Port:
587 - Username:
[email protected] - Password:
ykfSLYm2bvv69WJZjZtc
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/3816-128-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3816-129-0x0000000000436E6E-mapping.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:
699adf49daa7dbd1e4bd58f741415d68148ad899.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 699adf49daa7dbd1e4bd58f741415d68148ad899.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 699adf49daa7dbd1e4bd58f741415d68148ad899.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 699adf49daa7dbd1e4bd58f741415d68148ad899.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
699adf49daa7dbd1e4bd58f741415d68148ad899.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\oopxV = "C:\\Users\\Admin\\AppData\\Roaming\\oopxV\\oopxV.exe" 699adf49daa7dbd1e4bd58f741415d68148ad899.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
699adf49daa7dbd1e4bd58f741415d68148ad899.exedescription pid process target process PID 1828 set thread context of 3816 1828 699adf49daa7dbd1e4bd58f741415d68148ad899.exe 699adf49daa7dbd1e4bd58f741415d68148ad899.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
699adf49daa7dbd1e4bd58f741415d68148ad899.exe699adf49daa7dbd1e4bd58f741415d68148ad899.exepid process 1828 699adf49daa7dbd1e4bd58f741415d68148ad899.exe 3816 699adf49daa7dbd1e4bd58f741415d68148ad899.exe 3816 699adf49daa7dbd1e4bd58f741415d68148ad899.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
699adf49daa7dbd1e4bd58f741415d68148ad899.exe699adf49daa7dbd1e4bd58f741415d68148ad899.exedescription pid process Token: SeDebugPrivilege 1828 699adf49daa7dbd1e4bd58f741415d68148ad899.exe Token: SeDebugPrivilege 3816 699adf49daa7dbd1e4bd58f741415d68148ad899.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
699adf49daa7dbd1e4bd58f741415d68148ad899.exedescription pid process target process PID 1828 wrote to memory of 736 1828 699adf49daa7dbd1e4bd58f741415d68148ad899.exe schtasks.exe PID 1828 wrote to memory of 736 1828 699adf49daa7dbd1e4bd58f741415d68148ad899.exe schtasks.exe PID 1828 wrote to memory of 736 1828 699adf49daa7dbd1e4bd58f741415d68148ad899.exe schtasks.exe PID 1828 wrote to memory of 3816 1828 699adf49daa7dbd1e4bd58f741415d68148ad899.exe 699adf49daa7dbd1e4bd58f741415d68148ad899.exe PID 1828 wrote to memory of 3816 1828 699adf49daa7dbd1e4bd58f741415d68148ad899.exe 699adf49daa7dbd1e4bd58f741415d68148ad899.exe PID 1828 wrote to memory of 3816 1828 699adf49daa7dbd1e4bd58f741415d68148ad899.exe 699adf49daa7dbd1e4bd58f741415d68148ad899.exe PID 1828 wrote to memory of 3816 1828 699adf49daa7dbd1e4bd58f741415d68148ad899.exe 699adf49daa7dbd1e4bd58f741415d68148ad899.exe PID 1828 wrote to memory of 3816 1828 699adf49daa7dbd1e4bd58f741415d68148ad899.exe 699adf49daa7dbd1e4bd58f741415d68148ad899.exe PID 1828 wrote to memory of 3816 1828 699adf49daa7dbd1e4bd58f741415d68148ad899.exe 699adf49daa7dbd1e4bd58f741415d68148ad899.exe PID 1828 wrote to memory of 3816 1828 699adf49daa7dbd1e4bd58f741415d68148ad899.exe 699adf49daa7dbd1e4bd58f741415d68148ad899.exe PID 1828 wrote to memory of 3816 1828 699adf49daa7dbd1e4bd58f741415d68148ad899.exe 699adf49daa7dbd1e4bd58f741415d68148ad899.exe -
outlook_office_path 1 IoCs
Processes:
699adf49daa7dbd1e4bd58f741415d68148ad899.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 699adf49daa7dbd1e4bd58f741415d68148ad899.exe -
outlook_win_path 1 IoCs
Processes:
699adf49daa7dbd1e4bd58f741415d68148ad899.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 699adf49daa7dbd1e4bd58f741415d68148ad899.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\699adf49daa7dbd1e4bd58f741415d68148ad899.exe"C:\Users\Admin\AppData\Local\Temp\699adf49daa7dbd1e4bd58f741415d68148ad899.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UaOAjKXIDhF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp61D3.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\699adf49daa7dbd1e4bd58f741415d68148ad899.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- 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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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\699adf49daa7dbd1e4bd58f741415d68148ad899.exe.logMD5
90acfd72f14a512712b1a7380c0faf60
SHA140ba4accb8faa75887e84fb8e38d598dc8cf0f12
SHA25620806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86
SHA51229dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9
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C:\Users\Admin\AppData\Local\Temp\tmp61D3.tmpMD5
d60e0a72e2e6f45c9aeef9c26d2546d7
SHA1281edfc4642e870c3978d7af79297a0f6918e7cc
SHA2566ad2800bd4fdeacd4b9614efd8be059d3801b677a1f400e24338dd219e9870de
SHA5121a92c0871de2ad6ea221fec56ef1e32f1e86fd2eb6afa98d4fe605ff0e613b4c796adbc800333a41cdd51d6ccfbd6589b2cd9721f816b54c3b41e39bbd428a1b
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memory/736-126-0x0000000000000000-mapping.dmp
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memory/1828-124-0x0000000008A60000-0x0000000008ADE000-memory.dmpFilesize
504KB
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memory/1828-119-0x0000000004F10000-0x0000000004F11000-memory.dmpFilesize
4KB
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memory/1828-121-0x0000000004DF0000-0x0000000004DF1000-memory.dmpFilesize
4KB
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memory/1828-122-0x00000000050D0000-0x00000000050D1000-memory.dmpFilesize
4KB
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memory/1828-123-0x0000000005160000-0x000000000516E000-memory.dmpFilesize
56KB
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memory/1828-115-0x0000000000500000-0x0000000000501000-memory.dmpFilesize
4KB
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memory/1828-125-0x000000000B270000-0x000000000B2A8000-memory.dmpFilesize
224KB
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memory/1828-120-0x0000000004F10000-0x000000000540E000-memory.dmpFilesize
5.0MB
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memory/1828-118-0x0000000005410000-0x0000000005411000-memory.dmpFilesize
4KB
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memory/1828-117-0x0000000004E70000-0x0000000004E71000-memory.dmpFilesize
4KB
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memory/3816-129-0x0000000000436E6E-mapping.dmp
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memory/3816-128-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3816-135-0x0000000005270000-0x0000000005271000-memory.dmpFilesize
4KB
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memory/3816-136-0x00000000052C0000-0x00000000052C1000-memory.dmpFilesize
4KB
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memory/3816-137-0x0000000005EF0000-0x0000000005EF1000-memory.dmpFilesize
4KB
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memory/3816-140-0x0000000005271000-0x0000000005272000-memory.dmpFilesize
4KB