Analysis
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max time kernel
139s -
max time network
32s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
30-06-2020 08:51
Static task
static1
Behavioral task
behavioral1
Sample
4c56228b43f10e83266d80506b3e123b.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
4c56228b43f10e83266d80506b3e123b.exe
Resource
win10v200430
General
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Target
4c56228b43f10e83266d80506b3e123b.exe
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Size
700KB
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MD5
4c56228b43f10e83266d80506b3e123b
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SHA1
b11bf01f9ab2816a86c9c86f2c1cf9813e84455c
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SHA256
73aab4f4940281b73928c048a5f4524829b2c05bedca4fd156991f06426cbd62
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SHA512
932f617953b00002b31326950cda266dcf5e2b3883e07b7752a171f308a378094026a94aa4a81d7f9e2433a6b0adb1dabcd5ee48469934a88388b6db0ff87125
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
dutchlogs.us - Port:
587 - Username:
lagguylog@dutchlogs.us - Password:
7213575aceACE@#$%
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1056-3-0x0000000000400000-0x00000000004A4000-memory.dmp family_agenttesla behavioral1/memory/1056-4-0x00000000003A0000-0x00000000003EC000-memory.dmp family_agenttesla behavioral1/memory/1056-6-0x00000000002B0000-0x00000000002F6000-memory.dmp family_agenttesla -
Processes:
resource yara_rule behavioral1/memory/1056-0-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral1/memory/1056-2-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral1/memory/1056-3-0x0000000000400000-0x00000000004A4000-memory.dmp upx -
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:
4c56228b43f10e83266d80506b3e123b.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run\lagguy = "C:\\Users\\Admin\\AppData\\Local\\Temp\\lagguy\\lagguy.exe" 4c56228b43f10e83266d80506b3e123b.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
4c56228b43f10e83266d80506b3e123b.exedescription pid process target process PID 1016 set thread context of 1056 1016 4c56228b43f10e83266d80506b3e123b.exe 4c56228b43f10e83266d80506b3e123b.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
4c56228b43f10e83266d80506b3e123b.exe4c56228b43f10e83266d80506b3e123b.exepid process 1016 4c56228b43f10e83266d80506b3e123b.exe 1056 4c56228b43f10e83266d80506b3e123b.exe 1056 4c56228b43f10e83266d80506b3e123b.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
4c56228b43f10e83266d80506b3e123b.exepid process 1016 4c56228b43f10e83266d80506b3e123b.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
4c56228b43f10e83266d80506b3e123b.exedescription pid process Token: SeDebugPrivilege 1056 4c56228b43f10e83266d80506b3e123b.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
4c56228b43f10e83266d80506b3e123b.exedescription pid process target process PID 1016 wrote to memory of 1056 1016 4c56228b43f10e83266d80506b3e123b.exe 4c56228b43f10e83266d80506b3e123b.exe PID 1016 wrote to memory of 1056 1016 4c56228b43f10e83266d80506b3e123b.exe 4c56228b43f10e83266d80506b3e123b.exe PID 1016 wrote to memory of 1056 1016 4c56228b43f10e83266d80506b3e123b.exe 4c56228b43f10e83266d80506b3e123b.exe PID 1016 wrote to memory of 1056 1016 4c56228b43f10e83266d80506b3e123b.exe 4c56228b43f10e83266d80506b3e123b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4c56228b43f10e83266d80506b3e123b.exe"C:\Users\Admin\AppData\Local\Temp\4c56228b43f10e83266d80506b3e123b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\4c56228b43f10e83266d80506b3e123b.exe"C:\Users\Admin\AppData\Local\Temp\4c56228b43f10e83266d80506b3e123b.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1056-0-0x0000000000400000-0x00000000004A4000-memory.dmpFilesize
656KB
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memory/1056-1-0x00000000004A27D0-mapping.dmp
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memory/1056-2-0x0000000000400000-0x00000000004A4000-memory.dmpFilesize
656KB
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memory/1056-3-0x0000000000400000-0x00000000004A4000-memory.dmpFilesize
656KB
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memory/1056-4-0x00000000003A0000-0x00000000003EC000-memory.dmpFilesize
304KB
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memory/1056-5-0x0000000001E72000-0x0000000001E73000-memory.dmpFilesize
4KB
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memory/1056-6-0x00000000002B0000-0x00000000002F6000-memory.dmpFilesize
280KB