Analysis
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max time kernel
119s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
27-03-2024 01:32
Static task
static1
Behavioral task
behavioral1
Sample
878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe
Resource
win10v2004-20240226-en
General
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Target
878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe
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Size
1.1MB
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MD5
e0c15954675c69af377b428d68e75cc5
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SHA1
b06501c31d34eb48a7493e63d17b1a851499ff10
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SHA256
878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48
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SHA512
7d435c289f92e1c1a942203d1979c60fcc6e489fdfe2642704bff467b625e744225088bdea180ac2f3f198e5c5519363a7e11dda235c98df84226d90a76d313c
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SSDEEP
24576:AqDEvCTbMWu7rQYlBQcBiT6rprG8aTlIRtd7G3Bz:ATvC/MTQYxsWR7aTl2SR
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.crediperu.pe - Port:
587 - Username:
[email protected] - Password:
Jfupuy02chung - 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-1-5-21-3787592910-3720486031-2929222812-1000\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:
878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exedescription pid process target process PID 2996 set thread context of 2388 2996 878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 2388 RegSvcs.exe 2388 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exepid process 2996 878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 2388 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exepid process 2996 878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe 2996 878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exepid process 2996 878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe 2996 878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exedescription pid process target process PID 2996 wrote to memory of 2388 2996 878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe RegSvcs.exe PID 2996 wrote to memory of 2388 2996 878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe RegSvcs.exe PID 2996 wrote to memory of 2388 2996 878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe RegSvcs.exe PID 2996 wrote to memory of 2388 2996 878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe RegSvcs.exe PID 2996 wrote to memory of 2388 2996 878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe RegSvcs.exe PID 2996 wrote to memory of 2388 2996 878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe RegSvcs.exe PID 2996 wrote to memory of 2388 2996 878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe RegSvcs.exe PID 2996 wrote to memory of 2388 2996 878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe"C:\Users\Admin\AppData\Local\Temp\878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2388-11-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2388-13-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2388-15-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2388-16-0x0000000074430000-0x0000000074B1E000-memory.dmpFilesize
6.9MB
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memory/2388-17-0x00000000049A0000-0x00000000049E0000-memory.dmpFilesize
256KB
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memory/2388-19-0x0000000074430000-0x0000000074B1E000-memory.dmpFilesize
6.9MB
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memory/2388-20-0x00000000049A0000-0x00000000049E0000-memory.dmpFilesize
256KB
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memory/2996-10-0x00000000001E0000-0x00000000001E4000-memory.dmpFilesize
16KB