Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
29-04-2024 09:42
Static task
static1
Behavioral task
behavioral1
Sample
Ref227395588_pdf.scr
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
Ref227395588_pdf.scr
Resource
win10v2004-20240419-en
General
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Target
Ref227395588_pdf.scr
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Size
505KB
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MD5
88db09b12a478cac87ed465252c6c8f7
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SHA1
0e3acd2b568bd58fcfd2e914eff2c982deb55258
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SHA256
0f0b721073a35fe3e6b37d75582704acd5bdc1b3d71343e74d6fec59ac932deb
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SHA512
7d228d662e3271920094e345d36597c2e6c880d12fc3cef8c3f1206711a0b49f93d2275b5527d8ce88c1e3772d0b011161d1bd16688cb9db28471a75b949ab67
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SSDEEP
6144:+Z6ySmRH93qXyS8KevIl/8/vpwO4XMGdKf4xU0PrH7KjnvQWTk85KqZIMHYJqE4E:RySuRbpGv64vPrHmnkb+NHYqXZ4fa
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
gator3220.hostgator.com - Port:
587 - Username:
[email protected] - Password:
28#75@ts76#V1F8h - 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 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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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 2 api.ipify.org 5 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Ref227395588_pdf.scrdescription pid process target process PID 992 set thread context of 2688 992 Ref227395588_pdf.scr RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
Powershell.exeRef227395588_pdf.scrRegAsm.exepid process 1956 Powershell.exe 992 Ref227395588_pdf.scr 992 Ref227395588_pdf.scr 2688 RegAsm.exe 2688 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
Powershell.exeRef227395588_pdf.scrRegAsm.exedescription pid process Token: SeDebugPrivilege 1956 Powershell.exe Token: SeDebugPrivilege 992 Ref227395588_pdf.scr Token: SeDebugPrivilege 2688 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 2688 RegAsm.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
Ref227395588_pdf.scrdescription pid process target process PID 992 wrote to memory of 1956 992 Ref227395588_pdf.scr Powershell.exe PID 992 wrote to memory of 1956 992 Ref227395588_pdf.scr Powershell.exe PID 992 wrote to memory of 1956 992 Ref227395588_pdf.scr Powershell.exe PID 992 wrote to memory of 1956 992 Ref227395588_pdf.scr Powershell.exe PID 992 wrote to memory of 2612 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2612 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2612 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2612 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2612 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2612 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2612 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2680 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2680 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2680 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2680 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2680 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2680 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2680 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2688 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2688 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2688 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2688 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2688 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2688 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2688 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2688 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2688 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2688 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2688 992 Ref227395588_pdf.scr RegAsm.exe PID 992 wrote to memory of 2688 992 Ref227395588_pdf.scr RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Ref227395588_pdf.scr"C:\Users\Admin\AppData\Local\Temp\Ref227395588_pdf.scr" /S1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" 'C:\Users\Admin\AppData\Local\Temp\Ref227395588_pdf.scr' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\command-line.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/992-10-0x00000000002A0000-0x00000000002AA000-memory.dmpFilesize
40KB
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memory/992-1-0x00000000748E0000-0x0000000074FCE000-memory.dmpFilesize
6.9MB
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memory/992-2-0x0000000004970000-0x00000000049B0000-memory.dmpFilesize
256KB
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memory/992-3-0x0000000000580000-0x00000000005D6000-memory.dmpFilesize
344KB
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memory/992-0-0x00000000000C0000-0x0000000000144000-memory.dmpFilesize
528KB
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memory/992-25-0x00000000748E0000-0x0000000074FCE000-memory.dmpFilesize
6.9MB
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memory/1956-6-0x000000006F970000-0x000000006FF1B000-memory.dmpFilesize
5.7MB
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memory/1956-8-0x0000000002940000-0x0000000002980000-memory.dmpFilesize
256KB
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memory/1956-9-0x0000000002940000-0x0000000002980000-memory.dmpFilesize
256KB
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memory/1956-11-0x000000006F970000-0x000000006FF1B000-memory.dmpFilesize
5.7MB
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memory/1956-7-0x000000006F970000-0x000000006FF1B000-memory.dmpFilesize
5.7MB
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memory/2688-12-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2688-13-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2688-24-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2688-22-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2688-20-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2688-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/2688-16-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2688-14-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB