Analysis
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max time kernel
86s -
max time network
52s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
16-07-2020 06:22
Static task
static1
Behavioral task
behavioral1
Sample
pi8Cg5anVJdQ7wK.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
pi8Cg5anVJdQ7wK.exe
Resource
win10v200430
General
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Target
pi8Cg5anVJdQ7wK.exe
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Size
424KB
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MD5
2d491420f227a64ec8306ace86002071
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SHA1
94c46e86f9f030c15c35a5dd1219512ac4f3dbb4
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SHA256
611a1ab90193672c4b95cb934a617b98314df0a24406342a0f1fedb08efd1997
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SHA512
70185104b4beb0670c5915a5f4a931d1fa6761276310b662984032041efb83a58ecffb6cb26341cd232b36b6d7bc8cb455d51f664f655f4f09ab9e08bfd4e42b
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.gmail.com - Port:
587 - Username:
[email protected] - Password:
glory2018
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 15 IoCs
resource yara_rule behavioral1/memory/1856-5-0x000000000044968E-mapping.dmp family_agenttesla behavioral1/memory/1856-4-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla behavioral1/memory/1856-6-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla behavioral1/memory/1856-7-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla behavioral1/memory/1856-10-0x000000000044968E-mapping.dmp family_agenttesla behavioral1/memory/1856-11-0x000000000044968E-mapping.dmp family_agenttesla behavioral1/memory/1856-12-0x000000000044968E-mapping.dmp family_agenttesla behavioral1/memory/1856-13-0x000000000044968E-mapping.dmp family_agenttesla behavioral1/memory/1856-14-0x000000000044968E-mapping.dmp family_agenttesla behavioral1/memory/1856-15-0x000000000044968E-mapping.dmp family_agenttesla behavioral1/memory/1856-16-0x000000000044968E-mapping.dmp family_agenttesla behavioral1/memory/1856-17-0x000000000044968E-mapping.dmp family_agenttesla behavioral1/memory/1856-18-0x000000000044968E-mapping.dmp family_agenttesla behavioral1/memory/1856-19-0x000000000044968E-mapping.dmp family_agenttesla behavioral1/memory/1856-20-0x000000000044968E-mapping.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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZBmeHM = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ZBmeHM\\ZBmeHM.exe" pi8Cg5anVJdQ7wK.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1388 set thread context of 1856 1388 pi8Cg5anVJdQ7wK.exe 28 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 1596 1856 WerFault.exe 28 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1828 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 1388 pi8Cg5anVJdQ7wK.exe 1856 pi8Cg5anVJdQ7wK.exe 1856 pi8Cg5anVJdQ7wK.exe 1596 WerFault.exe 1596 WerFault.exe 1596 WerFault.exe 1596 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1388 pi8Cg5anVJdQ7wK.exe Token: SeDebugPrivilege 1856 pi8Cg5anVJdQ7wK.exe Token: SeDebugPrivilege 1596 WerFault.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1388 wrote to memory of 1828 1388 pi8Cg5anVJdQ7wK.exe 26 PID 1388 wrote to memory of 1828 1388 pi8Cg5anVJdQ7wK.exe 26 PID 1388 wrote to memory of 1828 1388 pi8Cg5anVJdQ7wK.exe 26 PID 1388 wrote to memory of 1828 1388 pi8Cg5anVJdQ7wK.exe 26 PID 1388 wrote to memory of 1856 1388 pi8Cg5anVJdQ7wK.exe 28 PID 1388 wrote to memory of 1856 1388 pi8Cg5anVJdQ7wK.exe 28 PID 1388 wrote to memory of 1856 1388 pi8Cg5anVJdQ7wK.exe 28 PID 1388 wrote to memory of 1856 1388 pi8Cg5anVJdQ7wK.exe 28 PID 1388 wrote to memory of 1856 1388 pi8Cg5anVJdQ7wK.exe 28 PID 1388 wrote to memory of 1856 1388 pi8Cg5anVJdQ7wK.exe 28 PID 1388 wrote to memory of 1856 1388 pi8Cg5anVJdQ7wK.exe 28 PID 1388 wrote to memory of 1856 1388 pi8Cg5anVJdQ7wK.exe 28 PID 1388 wrote to memory of 1856 1388 pi8Cg5anVJdQ7wK.exe 28 PID 1856 wrote to memory of 1596 1856 pi8Cg5anVJdQ7wK.exe 30 PID 1856 wrote to memory of 1596 1856 pi8Cg5anVJdQ7wK.exe 30 PID 1856 wrote to memory of 1596 1856 pi8Cg5anVJdQ7wK.exe 30 PID 1856 wrote to memory of 1596 1856 pi8Cg5anVJdQ7wK.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\pi8Cg5anVJdQ7wK.exe"C:\Users\Admin\AppData\Local\Temp\pi8Cg5anVJdQ7wK.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xsSkJaA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFE3B.tmp"2⤵
- Creates scheduled task(s)
PID:1828
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C:\Users\Admin\AppData\Local\Temp\pi8Cg5anVJdQ7wK.exe"C:\Users\Admin\AppData\Local\Temp\pi8Cg5anVJdQ7wK.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1856 -s 10603⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1596
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