Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12-11-2024 01:51
Static task
static1
Behavioral task
behavioral1
Sample
Commercial Proposal.exe
Resource
win7-20240903-en
General
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Target
Commercial Proposal.exe
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Size
1.5MB
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MD5
3a1eb6b3f890b7d6dd192abbd0c019e2
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SHA1
cc38ccc9f6cc6b62dab6b28c8644673c745549f5
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SHA256
f62e9c919bc24aecbe48d2e8aa9167c062101f54537bdccbee5bc73e5ad0a0ea
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SHA512
272c89bb7dc4f5056218623c01ae09c16c5161c5c04ba226a5b206bfe602a9b8c2907248e342cbbbc87295445b403f74036741834bddb67d3828c1a072e546ea
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SSDEEP
24576:55EmXFtKaL4/oFe5T9yyXYfP1ijXda4qfnn65xGzzDe0ZIZA2Qyd9xEIq7ZZU:5PVt/LZeJbInQRa4qfnn6nGzXaZ5VXEb
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 16 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Commercial Proposal.exedescription pid Process procid_target PID 3188 set thread context of 4960 3188 Commercial Proposal.exe 91 -
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
Commercial Proposal.exeCommercial Proposal.exeCommercial Proposal.exeRegSvcs.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Commercial Proposal.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Commercial Proposal.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Commercial Proposal.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid Process 4960 RegSvcs.exe 4960 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
Processes:
Commercial Proposal.exeCommercial Proposal.exeCommercial Proposal.exepid Process 4708 Commercial Proposal.exe 452 Commercial Proposal.exe 3188 Commercial Proposal.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid Process Token: SeDebugPrivilege 4960 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 6 IoCs
Processes:
Commercial Proposal.exeCommercial Proposal.exeCommercial Proposal.exepid Process 4708 Commercial Proposal.exe 4708 Commercial Proposal.exe 452 Commercial Proposal.exe 452 Commercial Proposal.exe 3188 Commercial Proposal.exe 3188 Commercial Proposal.exe -
Suspicious use of SendNotifyMessage 6 IoCs
Processes:
Commercial Proposal.exeCommercial Proposal.exeCommercial Proposal.exepid Process 4708 Commercial Proposal.exe 4708 Commercial Proposal.exe 452 Commercial Proposal.exe 452 Commercial Proposal.exe 3188 Commercial Proposal.exe 3188 Commercial Proposal.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
Commercial Proposal.exeCommercial Proposal.exeCommercial Proposal.exedescription pid Process procid_target PID 4708 wrote to memory of 516 4708 Commercial Proposal.exe 85 PID 4708 wrote to memory of 516 4708 Commercial Proposal.exe 85 PID 4708 wrote to memory of 516 4708 Commercial Proposal.exe 85 PID 4708 wrote to memory of 452 4708 Commercial Proposal.exe 86 PID 4708 wrote to memory of 452 4708 Commercial Proposal.exe 86 PID 4708 wrote to memory of 452 4708 Commercial Proposal.exe 86 PID 452 wrote to memory of 4376 452 Commercial Proposal.exe 87 PID 452 wrote to memory of 4376 452 Commercial Proposal.exe 87 PID 452 wrote to memory of 4376 452 Commercial Proposal.exe 87 PID 452 wrote to memory of 3188 452 Commercial Proposal.exe 88 PID 452 wrote to memory of 3188 452 Commercial Proposal.exe 88 PID 452 wrote to memory of 3188 452 Commercial Proposal.exe 88 PID 3188 wrote to memory of 4960 3188 Commercial Proposal.exe 91 PID 3188 wrote to memory of 4960 3188 Commercial Proposal.exe 91 PID 3188 wrote to memory of 4960 3188 Commercial Proposal.exe 91 PID 3188 wrote to memory of 4960 3188 Commercial Proposal.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\Commercial Proposal.exe"C:\Users\Admin\AppData\Local\Temp\Commercial Proposal.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4708 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\Commercial Proposal.exe"2⤵PID:516
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C:\Users\Admin\AppData\Local\Temp\Commercial Proposal.exe"C:\Users\Admin\AppData\Local\Temp\Commercial Proposal.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:452 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\Commercial Proposal.exe"3⤵PID:4376
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C:\Users\Admin\AppData\Local\Temp\Commercial Proposal.exe"C:\Users\Admin\AppData\Local\Temp\Commercial Proposal.exe"3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3188 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\Commercial Proposal.exe"4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4960
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e