Analysis
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max time kernel
119s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
23-05-2024 02:32
Static task
static1
Behavioral task
behavioral1
Sample
4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe
Resource
win10v2004-20240508-en
General
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Target
4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe
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Size
656KB
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MD5
1534d66b1d5d06bf3ce463fe4de16113
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SHA1
8bab8bba168c3af944cea61d0c850ee0af12f49e
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SHA256
4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923
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SHA512
2338dd07308e4231556bc7b091ea7f6642a0f50c93c19dd9821e97dbb82282dbbe3173dcb6494de8a83ff5211d54bfb5de0d58e60a5d7216f8c8eaa700a03e3a
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SSDEEP
12288:vJzi8LkpEaboi4dUdW24hWYtooHMb0uUM2xnUHPkC+u7FOJmb7QMHE8hSe:vJ2jEw4ceWvoHQh2xnUHPkCAJmbE
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.ipr-co.org - Port:
587 - Username:
[email protected] - Password:
IPRco@100102@ - 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
Processes:
4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe" 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.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:
4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exedescription pid process target process PID 2392 set thread context of 3008 2392 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exepid process 3008 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe 3008 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exedescription pid process Token: SeDebugPrivilege 3008 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exepid process 3008 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exedescription pid process target process PID 2392 wrote to memory of 3008 2392 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe PID 2392 wrote to memory of 3008 2392 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe PID 2392 wrote to memory of 3008 2392 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe PID 2392 wrote to memory of 3008 2392 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe PID 2392 wrote to memory of 3008 2392 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe PID 2392 wrote to memory of 3008 2392 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe PID 2392 wrote to memory of 3008 2392 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe PID 2392 wrote to memory of 3008 2392 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe PID 2392 wrote to memory of 3008 2392 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe 4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe"C:\Users\Admin\AppData\Local\Temp\4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Users\Admin\AppData\Local\Temp\4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe"C:\Users\Admin\AppData\Local\Temp\4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3008
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