Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
19/12/2023, 12:43
Static task
static1
Behavioral task
behavioral1
Sample
26e5db523a3cd0d001036697009d6b57.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
26e5db523a3cd0d001036697009d6b57.exe
Resource
win10v2004-20231201-en
General
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Target
26e5db523a3cd0d001036697009d6b57.exe
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Size
128KB
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MD5
26e5db523a3cd0d001036697009d6b57
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SHA1
763a2801a2b3b51102c33353e3d94d9bd8790108
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SHA256
5494bedbabee9dc2005bf5e0411e8de421d3caa505a1f6b393a70b7a73f7dc94
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SHA512
37c632b6737bf29265be4c17282c3ef89dac0e8ef3c54e8afe6c4c6e7ebe63e136a6d82a87a803ddbabce90b888aec96fc41913a7f2f62ab20d74a9ae2128302
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SSDEEP
3072:6EBlFKqbQ5y/3KaR5HoYN08VA4zl3uWy/3KaR5Ho:64fFkI/6aToYN0SA4Qf/6aTo
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2196 outlook.exe -
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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\sys32.exe" 26e5db523a3cd0d001036697009d6b57.exe -
Drops file in Windows directory 5 IoCs
description ioc Process File opened for modification C:\Windows\sys32.exe 26e5db523a3cd0d001036697009d6b57.exe File opened for modification C:\Windows\outlook.cfg outlook.exe File created C:\Windows\sys32.exe 26e5db523a3cd0d001036697009d6b57.exe File created C:\Windows\outlook.exe 26e5db523a3cd0d001036697009d6b57.exe File opened for modification C:\Windows\outlook.exe 26e5db523a3cd0d001036697009d6b57.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1404 wrote to memory of 2196 1404 26e5db523a3cd0d001036697009d6b57.exe 28 PID 1404 wrote to memory of 2196 1404 26e5db523a3cd0d001036697009d6b57.exe 28 PID 1404 wrote to memory of 2196 1404 26e5db523a3cd0d001036697009d6b57.exe 28 PID 1404 wrote to memory of 2196 1404 26e5db523a3cd0d001036697009d6b57.exe 28 PID 1404 wrote to memory of 2196 1404 26e5db523a3cd0d001036697009d6b57.exe 28 PID 1404 wrote to memory of 2196 1404 26e5db523a3cd0d001036697009d6b57.exe 28 PID 1404 wrote to memory of 2196 1404 26e5db523a3cd0d001036697009d6b57.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\26e5db523a3cd0d001036697009d6b57.exe"C:\Users\Admin\AppData\Local\Temp\26e5db523a3cd0d001036697009d6b57.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1404 -
C:\Windows\outlook.exeC:\Windows\outlook.exe2⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:2196
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
49KB
MD50e9379e357aba95f8b9883af9b67675e
SHA1280a174a414e5b8588f42b6328af2c8c8ff4394f
SHA25696b9c4ead67d03eb2c69103a983274e013e3466e80d8f95bd7cf3aea8be05b28
SHA5126cc383806882729cd889b025802ac0d5e1c55a74b3e7d7c98932644e8802fe52b5b14a886eff70ab7deaa70fb60bb9898e55b5cd83b5b99e2a2d107dce367784