Analysis
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max time kernel
152s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-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
Protocol: smtp- Host:
mail.defalife.com.tr - Port:
587 - Username:
[email protected] - Password:
Defalife.124578
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
HSBC_093843_92343.pdf.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Control Panel\International\Geo\Nation HSBC_093843_92343.pdf.exe -
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 2052 set thread context of 2100 2052 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 11 IoCs
Processes:
HSBC_093843_92343.pdf.exepowershell.exeHSBC_093843_92343.pdf.exepid process 2052 HSBC_093843_92343.pdf.exe 2052 HSBC_093843_92343.pdf.exe 2052 HSBC_093843_92343.pdf.exe 2052 HSBC_093843_92343.pdf.exe 2052 HSBC_093843_92343.pdf.exe 2052 HSBC_093843_92343.pdf.exe 2052 HSBC_093843_92343.pdf.exe 2644 powershell.exe 2100 HSBC_093843_92343.pdf.exe 2100 HSBC_093843_92343.pdf.exe 2644 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
HSBC_093843_92343.pdf.exepowershell.exeHSBC_093843_92343.pdf.exedescription pid process Token: SeDebugPrivilege 2052 HSBC_093843_92343.pdf.exe Token: SeDebugPrivilege 2644 powershell.exe Token: SeDebugPrivilege 2100 HSBC_093843_92343.pdf.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
HSBC_093843_92343.pdf.exedescription pid process target process PID 2052 wrote to memory of 2644 2052 HSBC_093843_92343.pdf.exe powershell.exe PID 2052 wrote to memory of 2644 2052 HSBC_093843_92343.pdf.exe powershell.exe PID 2052 wrote to memory of 2644 2052 HSBC_093843_92343.pdf.exe powershell.exe PID 2052 wrote to memory of 3120 2052 HSBC_093843_92343.pdf.exe schtasks.exe PID 2052 wrote to memory of 3120 2052 HSBC_093843_92343.pdf.exe schtasks.exe PID 2052 wrote to memory of 3120 2052 HSBC_093843_92343.pdf.exe schtasks.exe PID 2052 wrote to memory of 2100 2052 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 2052 wrote to memory of 2100 2052 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 2052 wrote to memory of 2100 2052 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 2052 wrote to memory of 2100 2052 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 2052 wrote to memory of 2100 2052 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 2052 wrote to memory of 2100 2052 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 2052 wrote to memory of 2100 2052 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 2052 wrote to memory of 2100 2052 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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2052 -
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:2644 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\COwGTHJUlGfPN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5128.tmp"2⤵
- Creates scheduled task(s)
PID:3120 -
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:2100
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5470ea98c9a9ed127a08ea26b8090738c
SHA19844340072621ebdf0c99f6f8472d810550a1bbb
SHA256db21607d1bb571da74e3c40f0fd148b8d1cb2f43f102fc8d55dd97e29c8ad3ce
SHA51291033027f27944a84d0301ed7d83658ada7a7956fc9576e84171d4fdf24c5fca1921470bda4e529625d5eeb4a4f50c9e8cb8597663dcbfc95e2a933c3870b543