Analysis
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max time kernel
143s -
max time network
148s -
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 06:53
Static task
static1
Behavioral task
behavioral1
Sample
HSBC_093843_92343.pdf.exe
Resource
win7-20231020-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-1-5-21-2037190880-819243489-950462038-1000\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 2772 set thread context of 4552 2772 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.exeHSBC_093843_92343.pdf.exepowershell.exepid process 2772 HSBC_093843_92343.pdf.exe 2772 HSBC_093843_92343.pdf.exe 2772 HSBC_093843_92343.pdf.exe 2772 HSBC_093843_92343.pdf.exe 2772 HSBC_093843_92343.pdf.exe 2772 HSBC_093843_92343.pdf.exe 2772 HSBC_093843_92343.pdf.exe 4552 HSBC_093843_92343.pdf.exe 4552 HSBC_093843_92343.pdf.exe 3896 powershell.exe 3896 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
HSBC_093843_92343.pdf.exeHSBC_093843_92343.pdf.exepowershell.exedescription pid process Token: SeDebugPrivilege 2772 HSBC_093843_92343.pdf.exe Token: SeDebugPrivilege 4552 HSBC_093843_92343.pdf.exe Token: SeDebugPrivilege 3896 powershell.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
HSBC_093843_92343.pdf.exedescription pid process target process PID 2772 wrote to memory of 3896 2772 HSBC_093843_92343.pdf.exe powershell.exe PID 2772 wrote to memory of 3896 2772 HSBC_093843_92343.pdf.exe powershell.exe PID 2772 wrote to memory of 3896 2772 HSBC_093843_92343.pdf.exe powershell.exe PID 2772 wrote to memory of 2612 2772 HSBC_093843_92343.pdf.exe schtasks.exe PID 2772 wrote to memory of 2612 2772 HSBC_093843_92343.pdf.exe schtasks.exe PID 2772 wrote to memory of 2612 2772 HSBC_093843_92343.pdf.exe schtasks.exe PID 2772 wrote to memory of 4552 2772 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 2772 wrote to memory of 4552 2772 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 2772 wrote to memory of 4552 2772 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 2772 wrote to memory of 4552 2772 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 2772 wrote to memory of 4552 2772 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 2772 wrote to memory of 4552 2772 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 2772 wrote to memory of 4552 2772 HSBC_093843_92343.pdf.exe HSBC_093843_92343.pdf.exe PID 2772 wrote to memory of 4552 2772 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:2772 -
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:3896 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\COwGTHJUlGfPN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDDCD.tmp"2⤵
- Creates scheduled task(s)
PID:2612 -
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:4552
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
MD5b40e5bcd9117c95ec5c55a13958f48dd
SHA13fd75d4cdc9ffdc89c3c2d1490a52afa4131fd89
SHA256a5671f928ecffe138855bf6e37a787eb8bfba3c836bb0a39247e831b6936c12d
SHA512fefa8f060bc2f9fa4fae397ce622eb63c420815c5158b88a8ca8bb7e59c27b170994d4dc9c1674bb92fd8744afc37e929c9a47e7a5dab2a42cb3f14c7435a60d