Analysis
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max time kernel
61s -
max time network
6s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
28-05-2020 13:30
Static task
static1
Behavioral task
behavioral1
Sample
sam665.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
sam665.exe
Resource
win10v200430
General
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Target
sam665.exe
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Size
770KB
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MD5
0afa395e376a72ac2d34f9acd779849c
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SHA1
ce0d70a5cbddcf512907bf7bc45f81d9c3714e56
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SHA256
eecae1c4f0341afd1a089da83da76e7a1e31f3f2243269722c9d0c9457c2ef85
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SHA512
1fa15922dddc1f8bf40e35ef100cee803ad61d5ced526abf3edd404819d35bf563ce18578c10e78a7e0b938d5e6114adb6ab2044eb5cd36e9752dfbd928fe3c8
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.shrc-india.com - Port:
587 - Username:
orders@shrc-india.com - Password:
Orders@9999
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/1144-2-0x0000000000400000-0x00000000004B0000-memory.dmp family_agenttesla behavioral1/memory/1144-3-0x00000000002F0000-0x0000000000342000-memory.dmp family_agenttesla behavioral1/memory/1144-5-0x0000000000220000-0x000000000026C000-memory.dmp family_agenttesla -
Processes:
resource yara_rule behavioral1/memory/1144-0-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral1/memory/1144-1-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral1/memory/1144-2-0x0000000000400000-0x00000000004B0000-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:
sam665.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxUsF = "C:\\Users\\Admin\\AppData\\Roaming\\yxUsF\\yxUsF.exe" sam665.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
sam665.exedescription pid process target process PID 1100 set thread context of 1144 1100 sam665.exe sam665.exe -
Suspicious behavior: EnumeratesProcesses 26 IoCs
Processes:
sam665.exesam665.exesam665.exepid process 1100 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1296 sam665.exe 1144 sam665.exe 1144 sam665.exe 1296 sam665.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
sam665.exepid process 1100 sam665.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
sam665.exepid process 1144 sam665.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
sam665.exedescription pid process Token: SeDebugPrivilege 1144 sam665.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
sam665.exesam665.exedescription pid process target process PID 1100 wrote to memory of 1144 1100 sam665.exe sam665.exe PID 1100 wrote to memory of 1144 1100 sam665.exe sam665.exe PID 1100 wrote to memory of 1144 1100 sam665.exe sam665.exe PID 1100 wrote to memory of 1144 1100 sam665.exe sam665.exe PID 1100 wrote to memory of 1296 1100 sam665.exe sam665.exe PID 1100 wrote to memory of 1296 1100 sam665.exe sam665.exe PID 1100 wrote to memory of 1296 1100 sam665.exe sam665.exe PID 1100 wrote to memory of 1296 1100 sam665.exe sam665.exe PID 1144 wrote to memory of 1740 1144 sam665.exe netsh.exe PID 1144 wrote to memory of 1740 1144 sam665.exe netsh.exe PID 1144 wrote to memory of 1740 1144 sam665.exe netsh.exe PID 1144 wrote to memory of 1740 1144 sam665.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\sam665.exe"C:\Users\Admin\AppData\Local\Temp\sam665.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\sam665.exe"C:\Users\Admin\AppData\Local\Temp\sam665.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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C:\Users\Admin\AppData\Local\Temp\sam665.exe"C:\Users\Admin\AppData\Local\Temp\sam665.exe" 2 1144 953012⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1144-0-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/1144-1-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/1144-2-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/1144-3-0x00000000002F0000-0x0000000000342000-memory.dmpFilesize
328KB
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memory/1144-4-0x0000000000282000-0x0000000000283000-memory.dmpFilesize
4KB
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memory/1144-5-0x0000000000220000-0x000000000026C000-memory.dmpFilesize
304KB