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Analysis
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max time kernel
118s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
07/12/2023, 14:20
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe
Resource
win10v2004-20231127-en
General
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Target
SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe
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Size
778KB
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MD5
b804ab53568da077d7b0e06d513c5b0a
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SHA1
8d9a780613e7e085d1a061289b173b78338281a6
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SHA256
62f110e6069b3d5860ba51cad3f0a0ad8ef97cc6d5c3f461119236667599eb39
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SHA512
42a827a33f03f33b6f6fab753c07f1eeed87d4d8f2cd01c274e1f403a70dc7f32552b222f9b6b051bfd4ca4fe49e86c24003478a9e5fba47af88e1a6c7014498
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SSDEEP
24576:fcK/7IWyO2s0cYtMmKgTW+XGXZmEypIovV1:fcs757pRYh/uXN8
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.strictfacilityservices.com - Port:
587 - Username:
[email protected] - Password:
SFS!@#321 - 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-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\Micosoft Excel 2023 = "C:\\Users\\Admin\\AppData\\Roaming\\Micosoft Excel 2023\\Micosoft Excel 2023.exe" SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2584 set thread context of 2528 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 484 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 2528 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 2528 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 2724 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe Token: SeDebugPrivilege 2528 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe Token: SeDebugPrivilege 2724 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2584 wrote to memory of 2724 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 28 PID 2584 wrote to memory of 2724 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 28 PID 2584 wrote to memory of 2724 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 28 PID 2584 wrote to memory of 2724 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 28 PID 2584 wrote to memory of 484 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 30 PID 2584 wrote to memory of 484 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 30 PID 2584 wrote to memory of 484 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 30 PID 2584 wrote to memory of 484 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 30 PID 2584 wrote to memory of 2528 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 32 PID 2584 wrote to memory of 2528 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 32 PID 2584 wrote to memory of 2528 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 32 PID 2584 wrote to memory of 2528 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 32 PID 2584 wrote to memory of 2528 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 32 PID 2584 wrote to memory of 2528 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 32 PID 2584 wrote to memory of 2528 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 32 PID 2584 wrote to memory of 2528 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 32 PID 2584 wrote to memory of 2528 2584 SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2584 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lDOyEfxyOZ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2724
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lDOyEfxyOZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAA63.tmp"2⤵
- Creates scheduled task(s)
PID:484
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.21573.14570.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2528
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD546de85dee0dd6e6d6fa11bb5b5d5a7d0
SHA1838bcdeeb502f0f9e0ab45e70ec386ff9b2b0775
SHA25663f59dfbfbeb4c830f1c03a3341fff2d8c2debd201dd3feb5ebdfcd138235be2
SHA5127c7bdd81969d19541ddcafce298b340ecfe0a2f4ebda4ab969585ae446dd20bf02dc9ccab56f69c2a122dd7dd181a4be7b580ca3d91432193425f219a3188419
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Filesize
778KB
MD5b804ab53568da077d7b0e06d513c5b0a
SHA18d9a780613e7e085d1a061289b173b78338281a6
SHA25662f110e6069b3d5860ba51cad3f0a0ad8ef97cc6d5c3f461119236667599eb39
SHA51242a827a33f03f33b6f6fab753c07f1eeed87d4d8f2cd01c274e1f403a70dc7f32552b222f9b6b051bfd4ca4fe49e86c24003478a9e5fba47af88e1a6c7014498