Analysis
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max time kernel
113s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
29/12/2023, 08:14
Static task
static1
Behavioral task
behavioral1
Sample
952109.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
952109.exe
Resource
win10v2004-20231215-en
General
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Target
952109.exe
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Size
608KB
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MD5
b02a2c727669042df1cc5703c5d42be0
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SHA1
be9e1b34956555ff2629028dd9a452c903c058ea
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SHA256
f7e5bc980e9a7659ba8aedcb0e5ec208b13d807657ceaeb276db2f5ddeb0b2cf
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SHA512
3e9dc9d7abe0db1fb5ba8b63e3d18e9e0f6caaa96737202e7394ceac40b14f5543675c019ae06180761999b8528ef9901c07a02ae2e6eede8134af5023a9fa36
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SSDEEP
12288:t+atNytJqm0jvktQJavoD8sKz0jNQVP2SY6gd5q:0aStJq/rktQ4IKz0jNC2z/q
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
xySnlUr9 - 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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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\NouyJ = "C:\\Users\\Admin\\AppData\\Roaming\\NouyJ\\NouyJ.exe" 952109.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 2 api.ipify.org 3 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2880 set thread context of 2948 2880 952109.exe 30 -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2880 952109.exe 2880 952109.exe 2880 952109.exe 2880 952109.exe 2880 952109.exe 2948 952109.exe 2948 952109.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2880 952109.exe Token: SeDebugPrivilege 2948 952109.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2948 952109.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2880 wrote to memory of 2968 2880 952109.exe 29 PID 2880 wrote to memory of 2968 2880 952109.exe 29 PID 2880 wrote to memory of 2968 2880 952109.exe 29 PID 2880 wrote to memory of 2968 2880 952109.exe 29 PID 2880 wrote to memory of 2948 2880 952109.exe 30 PID 2880 wrote to memory of 2948 2880 952109.exe 30 PID 2880 wrote to memory of 2948 2880 952109.exe 30 PID 2880 wrote to memory of 2948 2880 952109.exe 30 PID 2880 wrote to memory of 2948 2880 952109.exe 30 PID 2880 wrote to memory of 2948 2880 952109.exe 30 PID 2880 wrote to memory of 2948 2880 952109.exe 30 PID 2880 wrote to memory of 2948 2880 952109.exe 30 PID 2880 wrote to memory of 2948 2880 952109.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\952109.exe"C:\Users\Admin\AppData\Local\Temp\952109.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2880 -
C:\Users\Admin\AppData\Local\Temp\952109.exe"C:\Users\Admin\AppData\Local\Temp\952109.exe"2⤵PID:2968
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C:\Users\Admin\AppData\Local\Temp\952109.exe"C:\Users\Admin\AppData\Local\Temp\952109.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2948
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