Analysis
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max time kernel
60s -
max time network
116s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
28-03-2023 07:10
Static task
static1
Behavioral task
behavioral1
Sample
85d29bf17d2b11754deb221731a9ea4c.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
85d29bf17d2b11754deb221731a9ea4c.exe
Resource
win10v2004-20230220-en
General
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Target
85d29bf17d2b11754deb221731a9ea4c.exe
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Size
791KB
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MD5
85d29bf17d2b11754deb221731a9ea4c
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SHA1
eb91d80b64db46e71784db25ff2380003d3a1b9c
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SHA256
770a7455fc0ac683cf1ea5f64c528ea717871300c1ff20e29cf34276acd0528d
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SHA512
4d4a53e359289b097e8aa7debd3dee172b6244690641571a6ea53ddf72b316ad0cd224c7946d952c95b63932b2b535a00bce7c4b2448c188fbe4da0cfd422a5f
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SSDEEP
12288:ZAwKdJVZz5ddOa01PTqcy3jP3fBfzUnFBDxqF7ETu6jQRwcndJoTgfz8uf:OTVZ93O1qcyNAVK7ytby+gl
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.valvulasthermovalve.cl - Port:
21 - Username:
cva19491@valvulasthermovalve.cl - Password:
LILKOOLL14!!
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:
85d29bf17d2b11754deb221731a9ea4c.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 85d29bf17d2b11754deb221731a9ea4c.exe Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 85d29bf17d2b11754deb221731a9ea4c.exe Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 85d29bf17d2b11754deb221731a9ea4c.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
85d29bf17d2b11754deb221731a9ea4c.exedescription pid process target process PID 1108 set thread context of 1432 1108 85d29bf17d2b11754deb221731a9ea4c.exe 85d29bf17d2b11754deb221731a9ea4c.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
85d29bf17d2b11754deb221731a9ea4c.exedescription pid process Token: SeDebugPrivilege 1432 85d29bf17d2b11754deb221731a9ea4c.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
85d29bf17d2b11754deb221731a9ea4c.exedescription pid process target process PID 1108 wrote to memory of 1432 1108 85d29bf17d2b11754deb221731a9ea4c.exe 85d29bf17d2b11754deb221731a9ea4c.exe PID 1108 wrote to memory of 1432 1108 85d29bf17d2b11754deb221731a9ea4c.exe 85d29bf17d2b11754deb221731a9ea4c.exe PID 1108 wrote to memory of 1432 1108 85d29bf17d2b11754deb221731a9ea4c.exe 85d29bf17d2b11754deb221731a9ea4c.exe PID 1108 wrote to memory of 1432 1108 85d29bf17d2b11754deb221731a9ea4c.exe 85d29bf17d2b11754deb221731a9ea4c.exe PID 1108 wrote to memory of 1432 1108 85d29bf17d2b11754deb221731a9ea4c.exe 85d29bf17d2b11754deb221731a9ea4c.exe PID 1108 wrote to memory of 1432 1108 85d29bf17d2b11754deb221731a9ea4c.exe 85d29bf17d2b11754deb221731a9ea4c.exe PID 1108 wrote to memory of 1432 1108 85d29bf17d2b11754deb221731a9ea4c.exe 85d29bf17d2b11754deb221731a9ea4c.exe PID 1108 wrote to memory of 1432 1108 85d29bf17d2b11754deb221731a9ea4c.exe 85d29bf17d2b11754deb221731a9ea4c.exe PID 1108 wrote to memory of 1432 1108 85d29bf17d2b11754deb221731a9ea4c.exe 85d29bf17d2b11754deb221731a9ea4c.exe -
outlook_office_path 1 IoCs
Processes:
85d29bf17d2b11754deb221731a9ea4c.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 85d29bf17d2b11754deb221731a9ea4c.exe -
outlook_win_path 1 IoCs
Processes:
85d29bf17d2b11754deb221731a9ea4c.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 85d29bf17d2b11754deb221731a9ea4c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\85d29bf17d2b11754deb221731a9ea4c.exe"C:\Users\Admin\AppData\Local\Temp\85d29bf17d2b11754deb221731a9ea4c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\85d29bf17d2b11754deb221731a9ea4c.exe"C:\Users\Admin\AppData\Local\Temp\85d29bf17d2b11754deb221731a9ea4c.exe"2⤵
- Accesses Microsoft Outlook profiles
- 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/1108-54-0x0000000000B10000-0x0000000000BDC000-memory.dmpFilesize
816KB
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memory/1108-55-0x0000000004BB0000-0x0000000004BF0000-memory.dmpFilesize
256KB
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memory/1108-56-0x0000000000730000-0x0000000000750000-memory.dmpFilesize
128KB
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memory/1108-57-0x0000000000940000-0x000000000094C000-memory.dmpFilesize
48KB
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memory/1108-58-0x0000000005820000-0x00000000058CA000-memory.dmpFilesize
680KB
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memory/1108-59-0x0000000000AD0000-0x0000000000B02000-memory.dmpFilesize
200KB
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memory/1432-60-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1432-61-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1432-62-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1432-63-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1432-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/1432-65-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1432-67-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1432-69-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1432-70-0x0000000004840000-0x0000000004880000-memory.dmpFilesize
256KB
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memory/1432-88-0x0000000004840000-0x0000000004880000-memory.dmpFilesize
256KB