Analysis
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max time kernel
112s -
max time network
119s -
platform
windows7_x64 -
resource
win7 -
submitted
10-07-2020 17:42
Static task
static1
Behavioral task
behavioral1
Sample
Image001.exe
Resource
win7
Behavioral task
behavioral2
Sample
Image001.exe
Resource
win10
General
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Target
Image001.exe
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Size
652KB
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MD5
9ad127f4f4d28ea19395cb16c194f23d
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SHA1
21ce15a2f1ee49d7420ea368e51cf92b61028a4c
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SHA256
9c1f76b540f055b2b6131cde2f6896e73f3e0170070c0551d90d20364156d32c
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SHA512
b3e6f896c4d0747e0d575b1abc63eb96eb0cd791bce21275c44b58731494fa143f1ba03ea6185ee1d3c25366c32e8b26bdefdd4624f0f9780e3e8fcc64665d13
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
ikechukwu112
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1440-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1440-3-0x0000000000447A3E-mapping.dmp family_agenttesla behavioral1/memory/1440-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1440-5-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
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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Suspicious use of SetThreadContext 1 IoCs
Processes:
Image001.exedescription pid process target process PID 1124 set thread context of 1440 1124 Image001.exe Image001.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Image001.exepid process 1440 Image001.exe 1440 Image001.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Image001.exedescription pid process Token: SeDebugPrivilege 1440 Image001.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Image001.exepid process 1440 Image001.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Image001.exedescription pid process target process PID 1124 wrote to memory of 1440 1124 Image001.exe Image001.exe PID 1124 wrote to memory of 1440 1124 Image001.exe Image001.exe PID 1124 wrote to memory of 1440 1124 Image001.exe Image001.exe PID 1124 wrote to memory of 1440 1124 Image001.exe Image001.exe PID 1124 wrote to memory of 1440 1124 Image001.exe Image001.exe PID 1124 wrote to memory of 1440 1124 Image001.exe Image001.exe PID 1124 wrote to memory of 1440 1124 Image001.exe Image001.exe PID 1124 wrote to memory of 1440 1124 Image001.exe Image001.exe PID 1124 wrote to memory of 1440 1124 Image001.exe Image001.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Image001.exe"C:\Users\Admin\AppData\Local\Temp\Image001.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Image001.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1124-1-0x0000000000000000-0x0000000000000000-disk.dmp
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memory/1440-2-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1440-3-0x0000000000447A3E-mapping.dmp
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memory/1440-4-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1440-5-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB