Analysis
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max time kernel
125s -
max time network
128s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
21-01-2021 12:05
Static task
static1
Behavioral task
behavioral1
Sample
Payment slip.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Payment slip.exe
Resource
win10v20201028
General
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Target
Payment slip.exe
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Size
652KB
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MD5
18ba144683247098a9ff944273e3d293
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SHA1
9eaf6860201938fc7027b22b11a8667d2b45c979
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SHA256
87f32b29a629a3bf5d0ec129f3daf65ce665c816353b41492ef0ca56fd165ce1
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SHA512
2a875f79473b578977385740f0a7d6369ffda6bdbe30074045b9ece321d5f27157a8b40dfafcbd79a1f4dac51b3ac8f75b536a6ad1688688d15c04794e99fa4e
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
paola.micheli@copangroup.xyz - Password:
gibson.1990
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4288-15-0x000000000043761E-mapping.dmp family_agenttesla behavioral2/memory/4288-14-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
RegAsm.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts RegAsm.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegAsm.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe" RegAsm.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Payment slip.exedescription pid process target process PID 4764 set thread context of 4288 4764 Payment slip.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Payment slip.exeRegAsm.exepid process 4764 Payment slip.exe 4764 Payment slip.exe 4288 RegAsm.exe 4288 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Payment slip.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 4764 Payment slip.exe Token: SeDebugPrivilege 4288 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 4288 RegAsm.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
Payment slip.exedescription pid process target process PID 4764 wrote to memory of 4264 4764 Payment slip.exe RegAsm.exe PID 4764 wrote to memory of 4264 4764 Payment slip.exe RegAsm.exe PID 4764 wrote to memory of 4264 4764 Payment slip.exe RegAsm.exe PID 4764 wrote to memory of 4288 4764 Payment slip.exe RegAsm.exe PID 4764 wrote to memory of 4288 4764 Payment slip.exe RegAsm.exe PID 4764 wrote to memory of 4288 4764 Payment slip.exe RegAsm.exe PID 4764 wrote to memory of 4288 4764 Payment slip.exe RegAsm.exe PID 4764 wrote to memory of 4288 4764 Payment slip.exe RegAsm.exe PID 4764 wrote to memory of 4288 4764 Payment slip.exe RegAsm.exe PID 4764 wrote to memory of 4288 4764 Payment slip.exe RegAsm.exe PID 4764 wrote to memory of 4288 4764 Payment slip.exe RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment slip.exe"C:\Users\Admin\AppData\Local\Temp\Payment slip.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/4288-15-0x000000000043761E-mapping.dmp
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memory/4288-30-0x00000000053C1000-0x00000000053C2000-memory.dmpFilesize
4KB
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memory/4288-27-0x00000000061C0000-0x00000000061C1000-memory.dmpFilesize
4KB
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memory/4288-26-0x0000000006030000-0x0000000006031000-memory.dmpFilesize
4KB
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memory/4288-22-0x00000000053C0000-0x00000000053C1000-memory.dmpFilesize
4KB
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memory/4288-16-0x0000000073150000-0x000000007383E000-memory.dmpFilesize
6.9MB
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memory/4288-14-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/4764-8-0x0000000002B90000-0x0000000002B91000-memory.dmpFilesize
4KB
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memory/4764-17-0x0000000002B93000-0x0000000002B95000-memory.dmpFilesize
8KB
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memory/4764-12-0x0000000008CD0000-0x0000000008CD1000-memory.dmpFilesize
4KB
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memory/4764-13-0x0000000008780000-0x000000000878F000-memory.dmpFilesize
60KB
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memory/4764-10-0x0000000008870000-0x0000000008871000-memory.dmpFilesize
4KB
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memory/4764-9-0x0000000007180000-0x00000000071C9000-memory.dmpFilesize
292KB
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memory/4764-2-0x0000000073150000-0x000000007383E000-memory.dmpFilesize
6.9MB
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memory/4764-11-0x0000000008980000-0x0000000008981000-memory.dmpFilesize
4KB
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memory/4764-7-0x0000000002B70000-0x0000000002B71000-memory.dmpFilesize
4KB
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memory/4764-23-0x0000000007480000-0x0000000007481000-memory.dmpFilesize
4KB
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memory/4764-24-0x0000000007510000-0x0000000007511000-memory.dmpFilesize
4KB
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memory/4764-25-0x00000000074D0000-0x00000000074D1000-memory.dmpFilesize
4KB
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memory/4764-6-0x0000000004F80000-0x0000000004F81000-memory.dmpFilesize
4KB
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memory/4764-5-0x0000000005480000-0x0000000005481000-memory.dmpFilesize
4KB
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memory/4764-3-0x00000000005E0000-0x00000000005E1000-memory.dmpFilesize
4KB