Analysis
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max time kernel
117s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
05-12-2023 17:17
Static task
static1
Behavioral task
behavioral1
Sample
SWFT_794.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
SWFT_794.exe
Resource
win10v2004-20231127-en
General
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Target
SWFT_794.exe
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Size
812KB
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MD5
a21e01d4c2ce154de0e9a89b63c8ec63
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SHA1
21f9ca2d21c8a1d021273f6149e4638cf4cc700b
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SHA256
17fde7224cda251d6be65b425428b449341d631737a269f77a8bceb4164b4512
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SHA512
55b06ba03ac549c3bd6690a33c33a003c671acbad5e0798d4065cd68d1b6dac10e5040722f564664ad3a92e22c021fd4072be21a6d21a8eb65616831d3c4eab4
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SSDEEP
24576:R34/up+pJxZJVKSo8l0WIFBdHGR9W/uq:R38PJxZD/l0FY6u
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.webdnes.cz - Port:
587 - Username:
[email protected] - Password:
knihakniha - 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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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:
SWFT_794.exedescription pid process target process PID 1076 set thread context of 2676 1076 SWFT_794.exe SWFT_794.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
SWFT_794.exepowershell.exepid process 2676 SWFT_794.exe 2676 SWFT_794.exe 2276 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
SWFT_794.exepowershell.exedescription pid process Token: SeDebugPrivilege 2676 SWFT_794.exe Token: SeDebugPrivilege 2276 powershell.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
SWFT_794.exedescription pid process target process PID 1076 wrote to memory of 2276 1076 SWFT_794.exe powershell.exe PID 1076 wrote to memory of 2276 1076 SWFT_794.exe powershell.exe PID 1076 wrote to memory of 2276 1076 SWFT_794.exe powershell.exe PID 1076 wrote to memory of 2276 1076 SWFT_794.exe powershell.exe PID 1076 wrote to memory of 2676 1076 SWFT_794.exe SWFT_794.exe PID 1076 wrote to memory of 2676 1076 SWFT_794.exe SWFT_794.exe PID 1076 wrote to memory of 2676 1076 SWFT_794.exe SWFT_794.exe PID 1076 wrote to memory of 2676 1076 SWFT_794.exe SWFT_794.exe PID 1076 wrote to memory of 2676 1076 SWFT_794.exe SWFT_794.exe PID 1076 wrote to memory of 2676 1076 SWFT_794.exe SWFT_794.exe PID 1076 wrote to memory of 2676 1076 SWFT_794.exe SWFT_794.exe PID 1076 wrote to memory of 2676 1076 SWFT_794.exe SWFT_794.exe PID 1076 wrote to memory of 2676 1076 SWFT_794.exe SWFT_794.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SWFT_794.exe"C:\Users\Admin\AppData\Local\Temp\SWFT_794.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1076 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SWFT_794.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2276 -
C:\Users\Admin\AppData\Local\Temp\SWFT_794.exe"C:\Users\Admin\AppData\Local\Temp\SWFT_794.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2676