Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
01-12-2023 06:52
Static task
static1
Behavioral task
behavioral1
Sample
HSBC_093843_92343.pdf.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
HSBC_093843_92343.pdf.exe
Resource
win10v2004-20231127-en
General
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Target
HSBC_093843_92343.pdf.exe
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Size
765KB
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MD5
e09099905a06bf6c0c26c3b5ceb2f8f1
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SHA1
993fca0bde00e85ef9714a8f17b39c5c1aa86900
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SHA256
9f4ff6a61fea6fc87d56dc8dc274522d38e34255ccdb39a6888686b920ec5ac0
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SHA512
b4ee68c40eb97fb948f2c1c75fa6f21e828979d7ce80f90d21fa844e3c871e0a99dba2bbde4ea1c6efafedb4dde108f63cce5abb6331a65aa85fec34041002b7
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SSDEEP
12288:+C5pJHIvppx3Wwmb8hGHCGNn8ZNq29jg3EkvSB0Uvzixd66kJif0yFD:1pJwgDHfRINX96EGSWizixlKI
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.defalife.com.tr - Port:
587 - Username:
[email protected] - Password:
Defalife.124578 - 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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Suspicious use of SetThreadContext 1 IoCs
Processes:
HSBC_093843_92343.pdf.exedescription pid process target process PID 768 set thread context of 2684 768 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe -
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.
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Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
HSBC_093843_92343.pdf.exeHSBC_093843_92343.pdf.exepowershell.exepid process 768 HSBC_093843_92343.pdf.exe 768 HSBC_093843_92343.pdf.exe 768 HSBC_093843_92343.pdf.exe 768 HSBC_093843_92343.pdf.exe 768 HSBC_093843_92343.pdf.exe 768 HSBC_093843_92343.pdf.exe 768 HSBC_093843_92343.pdf.exe 2684 HSBC_093843_92343.pdf.exe 2684 HSBC_093843_92343.pdf.exe 2624 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
HSBC_093843_92343.pdf.exeHSBC_093843_92343.pdf.exepowershell.exedescription pid process Token: SeDebugPrivilege 768 HSBC_093843_92343.pdf.exe Token: SeDebugPrivilege 2684 HSBC_093843_92343.pdf.exe Token: SeDebugPrivilege 2624 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
HSBC_093843_92343.pdf.exedescription pid process target process PID 768 wrote to memory of 2624 768 HSBC_093843_92343.pdf.exe powershell.exe PID 768 wrote to memory of 2624 768 HSBC_093843_92343.pdf.exe powershell.exe PID 768 wrote to memory of 2624 768 HSBC_093843_92343.pdf.exe powershell.exe PID 768 wrote to memory of 2624 768 HSBC_093843_92343.pdf.exe powershell.exe PID 768 wrote to memory of 2748 768 HSBC_093843_92343.pdf.exe schtasks.exe PID 768 wrote to memory of 2748 768 HSBC_093843_92343.pdf.exe schtasks.exe PID 768 wrote to memory of 2748 768 HSBC_093843_92343.pdf.exe schtasks.exe PID 768 wrote to memory of 2748 768 HSBC_093843_92343.pdf.exe schtasks.exe PID 768 wrote to memory of 2684 768 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 768 wrote to memory of 2684 768 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 768 wrote to memory of 2684 768 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 768 wrote to memory of 2684 768 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 768 wrote to memory of 2684 768 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 768 wrote to memory of 2684 768 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 768 wrote to memory of 2684 768 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 768 wrote to memory of 2684 768 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 768 wrote to memory of 2684 768 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\HSBC_093843_92343.pdf.exe"C:\Users\Admin\AppData\Local\Temp\HSBC_093843_92343.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:768 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\COwGTHJUlGfPN.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2624 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\COwGTHJUlGfPN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp232.tmp"2⤵
- Creates scheduled task(s)
PID:2748 -
C:\Users\Admin\AppData\Local\Temp\HSBC_093843_92343.pdf.exe"C:\Users\Admin\AppData\Local\Temp\HSBC_093843_92343.pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2684
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5dd43eaafe8e1e895bf6176ff64154143
SHA1e3a8e441a955c25e85bf342591c6c35a133bd895
SHA2564bd4b2c8375df137e291911cc1dd88f853c953797827d607a8b3b0ae396ed6b4
SHA512157c7e3ce0d19e4c1e3b56eeab1a0c2fcedfdf86ce334dfd6e50b5da9c7ca1b925703f3e9d6395a4bf868f4510da61c0841232b3fd71c09524376337ee478dd9