Analysis
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max time kernel
128s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
25-04-2024 03:40
Static task
static1
Behavioral task
behavioral1
Sample
85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe
Resource
win10v2004-20240412-en
General
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Target
85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe
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Size
1.0MB
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MD5
8faf59c5d4b2d7110136ccfef3de3444
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SHA1
d66b6926182e852cc51fca8ed9388faada7447e7
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SHA256
85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d
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SHA512
68bef7bd5ad1001f83f81b7c165dd6aea8a4e29365d26101ba85ad49fec1c5a3355ea38e8a5131a2fed8e0473c184b3fb0608a6487d4e8c7b61cd107ebbae753
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SSDEEP
24576:PqDEvCTbMWu7rQYlBQcBiT6rprG8aFdF1p0+nCu:PTvC/MTQYxsWR7aFdF1uM
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.cash4cars.nz - Port:
587 - Username:
[email protected] - Password:
logs2024! - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\newfile = "C:\\Users\\Admin\\AppData\\Roaming\\newfile\\newfile.exe" RegSvcs.exe -
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 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exedescription pid process target process PID 2088 set thread context of 2476 2088 85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 2476 RegSvcs.exe 2476 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exepid process 2088 85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 2476 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exepid process 2088 85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe 2088 85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exepid process 2088 85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe 2088 85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exedescription pid process target process PID 2088 wrote to memory of 2476 2088 85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe RegSvcs.exe PID 2088 wrote to memory of 2476 2088 85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe RegSvcs.exe PID 2088 wrote to memory of 2476 2088 85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe RegSvcs.exe PID 2088 wrote to memory of 2476 2088 85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe RegSvcs.exe PID 2088 wrote to memory of 2476 2088 85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe RegSvcs.exe PID 2088 wrote to memory of 2476 2088 85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe RegSvcs.exe PID 2088 wrote to memory of 2476 2088 85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe RegSvcs.exe PID 2088 wrote to memory of 2476 2088 85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe"C:\Users\Admin\AppData\Local\Temp\85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2088 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\85d59e92564d46d7ce957eed3891453fa5e1e4a13cb38db98ae3fff0c79b915d.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2476
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2088-10-0x0000000000160000-0x0000000000164000-memory.dmpFilesize
16KB
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memory/2476-11-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2476-13-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2476-15-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2476-16-0x0000000074700000-0x0000000074DEE000-memory.dmpFilesize
6.9MB
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memory/2476-17-0x0000000000620000-0x0000000000660000-memory.dmpFilesize
256KB
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memory/2476-19-0x0000000074700000-0x0000000074DEE000-memory.dmpFilesize
6.9MB
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memory/2476-20-0x0000000000620000-0x0000000000660000-memory.dmpFilesize
256KB