Analysis
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max time kernel
119s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
24-04-2024 14:34
Static task
static1
Behavioral task
behavioral1
Sample
Pre-arrival Notification.pdf.scr
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Pre-arrival Notification.pdf.scr
Resource
win10v2004-20240412-en
General
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Target
Pre-arrival Notification.pdf.scr
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Size
866KB
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MD5
f0a78c76a0a3868087059f4f0705a9ae
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SHA1
1713acbb59b349c547ef73d93f39eca35610411d
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SHA256
bee0f2e0f50d146b489b36f71cbcbb4ee752d92f323aefa1e2a79a30afe96d2b
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SHA512
f2b739ee8bdffa143d1e5cb4e241907939f7abf0ac798c36a0d8c2b3b8508976940224734ec63cd7187416ff47e9e0973528be76536b9a7afec3438f8a8b571a
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SSDEEP
12288:/2BuuzNcMZtFxyBv1kqx8WU8Ox5iFgN3NsChO1AS7:/2BNcYtFxyBJU8I5iFgN9sCkD7
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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 api.ipify.org 5 api.ipify.org 6 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Pre-arrival Notification.pdf.scrdescription pid process target process PID 2508 set thread context of 3028 2508 Pre-arrival Notification.pdf.scr RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
Powershell.exeRegAsm.exepid process 2832 Powershell.exe 3028 RegAsm.exe 3028 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Powershell.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 2832 Powershell.exe Token: SeDebugPrivilege 3028 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 3028 RegAsm.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
Pre-arrival Notification.pdf.scrdescription pid process target process PID 2508 wrote to memory of 2832 2508 Pre-arrival Notification.pdf.scr Powershell.exe PID 2508 wrote to memory of 2832 2508 Pre-arrival Notification.pdf.scr Powershell.exe PID 2508 wrote to memory of 2832 2508 Pre-arrival Notification.pdf.scr Powershell.exe PID 2508 wrote to memory of 2832 2508 Pre-arrival Notification.pdf.scr Powershell.exe PID 2508 wrote to memory of 3028 2508 Pre-arrival Notification.pdf.scr RegAsm.exe PID 2508 wrote to memory of 3028 2508 Pre-arrival Notification.pdf.scr RegAsm.exe PID 2508 wrote to memory of 3028 2508 Pre-arrival Notification.pdf.scr RegAsm.exe PID 2508 wrote to memory of 3028 2508 Pre-arrival Notification.pdf.scr RegAsm.exe PID 2508 wrote to memory of 3028 2508 Pre-arrival Notification.pdf.scr RegAsm.exe PID 2508 wrote to memory of 3028 2508 Pre-arrival Notification.pdf.scr RegAsm.exe PID 2508 wrote to memory of 3028 2508 Pre-arrival Notification.pdf.scr RegAsm.exe PID 2508 wrote to memory of 3028 2508 Pre-arrival Notification.pdf.scr RegAsm.exe PID 2508 wrote to memory of 3028 2508 Pre-arrival Notification.pdf.scr RegAsm.exe PID 2508 wrote to memory of 3028 2508 Pre-arrival Notification.pdf.scr RegAsm.exe PID 2508 wrote to memory of 3028 2508 Pre-arrival Notification.pdf.scr RegAsm.exe PID 2508 wrote to memory of 3028 2508 Pre-arrival Notification.pdf.scr RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Pre-arrival Notification.pdf.scr"C:\Users\Admin\AppData\Local\Temp\Pre-arrival Notification.pdf.scr" /S1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2508 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" 'C:\Users\Admin\AppData\Local\Temp\Pre-arrival Notification.pdf.scr' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\command-line.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2832 -
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
PID:3028
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2508-24-0x0000000073F20000-0x000000007460E000-memory.dmpFilesize
6.9MB
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memory/2508-1-0x0000000073F20000-0x000000007460E000-memory.dmpFilesize
6.9MB
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memory/2508-2-0x0000000004BA0000-0x0000000004BE0000-memory.dmpFilesize
256KB
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memory/2508-3-0x0000000000620000-0x0000000000676000-memory.dmpFilesize
344KB
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memory/2508-9-0x0000000000310000-0x000000000031A000-memory.dmpFilesize
40KB
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memory/2508-0-0x0000000000CA0000-0x0000000000D7E000-memory.dmpFilesize
888KB
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memory/2832-6-0x000000006EFB0000-0x000000006F55B000-memory.dmpFilesize
5.7MB
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memory/2832-7-0x000000006EFB0000-0x000000006F55B000-memory.dmpFilesize
5.7MB
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memory/2832-8-0x0000000001DD0000-0x0000000001E10000-memory.dmpFilesize
256KB
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memory/2832-25-0x000000006EFB0000-0x000000006F55B000-memory.dmpFilesize
5.7MB
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memory/3028-10-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/3028-14-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/3028-21-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/3028-19-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/3028-23-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/3028-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/3028-15-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/3028-12-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB