Analysis
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max time kernel
140s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03-10-2022 09:38
Static task
static1
Behavioral task
behavioral1
Sample
Doc2050023RFT.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Doc2050023RFT.exe
Resource
win10v2004-20220812-en
General
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Target
Doc2050023RFT.exe
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Size
1.5MB
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MD5
c8dfc09ebcbda6de3cb18d2c5ca52483
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SHA1
91f2bf86bb3d8d73fd9b09881087099b81315a8b
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SHA256
9f3b0574ee8ea34114c6de2ed4f351552400569e42d4032a2ec5dcff3107af1c
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SHA512
0b025d8c5f445d20a66b4d6195112addc9b5dc19b2c4897d50640e01af58ec2fb3f363a45273f2316a5fb09a44caf785f20b1e9df809b45259929475b156bd32
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SSDEEP
12288:cnjoh8rQqH/jnWZQzjFeM6DJOjB9sTTHy3hPA4iDJQbLiQXxaURDEVmHCj3hPG7g:qLHbnYQb6VOL25DKnikzU36oGc
Malware Config
Extracted
agenttesla
http://45.155.165.63/3ip/inc/523ecb38582a9c.php
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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:
Doc2050023RFT.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Doc2050023RFT.exe Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Doc2050023RFT.exe Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Doc2050023RFT.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Doc2050023RFT.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\offi = "\"C:\\Users\\Admin\\AppData\\Roaming\\doc\\offi.exe\"" Doc2050023RFT.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Doc2050023RFT.exedescription pid process target process PID 2848 set thread context of 3208 2848 Doc2050023RFT.exe Doc2050023RFT.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Doc2050023RFT.exepid process 3208 Doc2050023RFT.exe 3208 Doc2050023RFT.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Doc2050023RFT.exeDoc2050023RFT.exedescription pid process Token: SeDebugPrivilege 2848 Doc2050023RFT.exe Token: SeDebugPrivilege 3208 Doc2050023RFT.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Doc2050023RFT.exepid process 3208 Doc2050023RFT.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Doc2050023RFT.exedescription pid process target process PID 2848 wrote to memory of 3208 2848 Doc2050023RFT.exe Doc2050023RFT.exe PID 2848 wrote to memory of 3208 2848 Doc2050023RFT.exe Doc2050023RFT.exe PID 2848 wrote to memory of 3208 2848 Doc2050023RFT.exe Doc2050023RFT.exe PID 2848 wrote to memory of 3208 2848 Doc2050023RFT.exe Doc2050023RFT.exe PID 2848 wrote to memory of 3208 2848 Doc2050023RFT.exe Doc2050023RFT.exe PID 2848 wrote to memory of 3208 2848 Doc2050023RFT.exe Doc2050023RFT.exe PID 2848 wrote to memory of 3208 2848 Doc2050023RFT.exe Doc2050023RFT.exe PID 2848 wrote to memory of 3208 2848 Doc2050023RFT.exe Doc2050023RFT.exe -
outlook_office_path 1 IoCs
Processes:
Doc2050023RFT.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Doc2050023RFT.exe -
outlook_win_path 1 IoCs
Processes:
Doc2050023RFT.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Doc2050023RFT.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Doc2050023RFT.exe"C:\Users\Admin\AppData\Local\Temp\Doc2050023RFT.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Doc2050023RFT.exeC:\Users\Admin\AppData\Local\Temp\Doc2050023RFT.exe2⤵
- Accesses Microsoft Outlook profiles
- 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
Loading Replay Monitor...
Downloads
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memory/2848-132-0x0000000000B70000-0x0000000000CFE000-memory.dmpFilesize
1.6MB
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memory/2848-133-0x00000000055E0000-0x0000000005602000-memory.dmpFilesize
136KB
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memory/3208-134-0x0000000000000000-mapping.dmp
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memory/3208-135-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
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memory/3208-136-0x00000000059F0000-0x0000000005F94000-memory.dmpFilesize
5.6MB
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memory/3208-137-0x0000000005440000-0x00000000054DC000-memory.dmpFilesize
624KB
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memory/3208-138-0x0000000006010000-0x0000000006076000-memory.dmpFilesize
408KB
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memory/3208-139-0x0000000006530000-0x0000000006580000-memory.dmpFilesize
320KB
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memory/3208-140-0x0000000006D90000-0x0000000006E22000-memory.dmpFilesize
584KB
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memory/3208-141-0x0000000006D30000-0x0000000006D3A000-memory.dmpFilesize
40KB