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Analysis
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max time kernel
117s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
04/03/2024, 13:59
Static task
static1
Behavioral task
behavioral1
Sample
TS-240304-UF2.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
TS-240304-UF2.exe
Resource
win10v2004-20240226-en
General
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Target
TS-240304-UF2.exe
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Size
338KB
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MD5
915c28817d8aded7bb6b98f387dc9dd7
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SHA1
cb52f0363e10a7bcdccf0e12d15f2f4a15bebdb4
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SHA256
d192c8d38432e7a474fc0f7ae9aa569150bbb5f337444c68f77e6e74049d9912
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SHA512
b7daeb88da4260acb1fda43b95740495d0182c6a5721131550f208a808bf7cc8bf6ac65b866be187e6d2d5ca41e4bda62bd63387f12975eb7b383d1283e4e2b2
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SSDEEP
6144:PYFuQ3A4YkC0D+15e70vt7LPuVAiN91Pyx1c+5j8k5IRJ:QFuQ3An0E8+7Lm39k7BIRJ
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.guestequipment.com.au - Port:
587 - Username:
[email protected] - Password:
Clone89! - Email To:
[email protected]
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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\newfile = "C:\\Users\\Admin\\AppData\\Roaming\\newfile\\newfile.exe" TS-240304-UF2.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 2 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3036 set thread context of 3000 3036 TS-240304-UF2.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3000 TS-240304-UF2.exe 3000 TS-240304-UF2.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3000 TS-240304-UF2.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3036 wrote to memory of 3000 3036 TS-240304-UF2.exe 28 PID 3036 wrote to memory of 3000 3036 TS-240304-UF2.exe 28 PID 3036 wrote to memory of 3000 3036 TS-240304-UF2.exe 28 PID 3036 wrote to memory of 3000 3036 TS-240304-UF2.exe 28 PID 3036 wrote to memory of 3000 3036 TS-240304-UF2.exe 28 PID 3036 wrote to memory of 3000 3036 TS-240304-UF2.exe 28 PID 3036 wrote to memory of 3000 3036 TS-240304-UF2.exe 28 PID 3036 wrote to memory of 3000 3036 TS-240304-UF2.exe 28 PID 3036 wrote to memory of 3000 3036 TS-240304-UF2.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe"C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe"C:\Users\Admin\AppData\Local\Temp\TS-240304-UF2.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3000
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