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Analysis
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max time kernel
119s -
max time network
133s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
04/03/2024, 14:14
Static task
static1
Behavioral task
behavioral1
Sample
CNN.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
CNN.exe
Resource
win10v2004-20240226-en
General
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Target
CNN.exe
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Size
400KB
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MD5
d8ed33d452d8d7aea788c38df812c76f
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SHA1
6cb868e92badd1aed8b6fe2d6b56e76f04295383
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SHA256
bc166cd7e28545d2f52b1cce3f2eafc4824b4b4252440859cc4b7286e95bd8b5
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SHA512
6cbde610d30a0200b473f78542c9cb497702cc4b3240a9744b4bf53412a02049957495e785d53ad59faadeb128f3e4c939824569d00db69339463a8770f5f7b4
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SSDEEP
12288:B6niGh0/aP5R9XERpLR10qrRvnSWsNFGmOE7NF:B6R0/aXi1DV7s2m17b
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
jCXzqcP1 daniel 3116 - 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-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\mpTrle = "C:\\Users\\Admin\\AppData\\Roaming\\mpTrle\\mpTrle.exe" CNN.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 2008 set thread context of 2488 2008 CNN.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2488 CNN.exe 2488 CNN.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2488 CNN.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2008 wrote to memory of 2488 2008 CNN.exe 28 PID 2008 wrote to memory of 2488 2008 CNN.exe 28 PID 2008 wrote to memory of 2488 2008 CNN.exe 28 PID 2008 wrote to memory of 2488 2008 CNN.exe 28 PID 2008 wrote to memory of 2488 2008 CNN.exe 28 PID 2008 wrote to memory of 2488 2008 CNN.exe 28 PID 2008 wrote to memory of 2488 2008 CNN.exe 28 PID 2008 wrote to memory of 2488 2008 CNN.exe 28 PID 2008 wrote to memory of 2488 2008 CNN.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\CNN.exe"C:\Users\Admin\AppData\Local\Temp\CNN.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Users\Admin\AppData\Local\Temp\CNN.exe"C:\Users\Admin\AppData\Local\Temp\CNN.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2488
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