Analysis
- max time kernel
141s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240221-en - resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system - submitted
23/02/2024, 15:37
Static task
static1
Behavioral task
behavioral1
Sample
rScaned_Product_Attached_Document.pdf.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
rScaned_Product_Attached_Document.pdf.exe
Resource
win10v2004-20240221-en
General
- Target rScaned_Product_Attached_Document.pdf.exe
- Size 745KB
- Sample240223-s2f61scd28
- SHA256 7db939f103732a9f11c55ba54b8b7aaaa35309cfda3eec039dd71d6bd9d331da
- MD5 55eb96655d53c5aac87f147f77822f69
- SHA1 cf59e73f8f9b46051c04070cf657414a77e6f5f6
- SHA512 4e5c2ef6f26b21081612086031968d628de1efa08d6f344338bce4d23b79ab1fd37c25f5835712eb1e4b9b2de85ca87ff8a088dab7c1bcd52112a3fb4d511296
- SSDEEP 12288:H2nSNq5Ujd53LlvMmWvWxerOstDqPnJUKLbaRqRudRoq2wm2//69u:H2n7Kmm2WMSstDqPnqKXaqvqNmK69u
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
Protocol
smtp
-
Host
webmail.senofech-industry.com
-
Port
587
-
Username
-
Password
Ghostarmy@@2022
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
webmail.senofech-industry.com
-
Port
587
-
Username
-
Password
Ghostarmy@@2022
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3844919115-497234255-166257750-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\plQRn123nur = "C:\\Users\\Admin\\AppData\\Roaming\\plQRn123nur\\plQRn123nur.exe" rScaned_Product_Attached_Document.pdf.exe - Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 30 api.ipify.org 31 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1476 set thread context of 1804 1476 rScaned_Product_Attached_Document.pdf.exe 94 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1804 rScaned_Product_Attached_Document.pdf.exe 1804 rScaned_Product_Attached_Document.pdf.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1804 rScaned_Product_Attached_Document.pdf.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1804 rScaned_Product_Attached_Document.pdf.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1476 wrote to memory of 1804 1476 rScaned_Product_Attached_Document.pdf.exe 94 PID 1476 wrote to memory of 1804 1476 rScaned_Product_Attached_Document.pdf.exe 94 PID 1476 wrote to memory of 1804 1476 rScaned_Product_Attached_Document.pdf.exe 94 PID 1476 wrote to memory of 1804 1476 rScaned_Product_Attached_Document.pdf.exe 94 PID 1476 wrote to memory of 1804 1476 rScaned_Product_Attached_Document.pdf.exe 94 PID 1476 wrote to memory of 1804 1476 rScaned_Product_Attached_Document.pdf.exe 94 PID 1476 wrote to memory of 1804 1476 rScaned_Product_Attached_Document.pdf.exe 94 PID 1476 wrote to memory of 1804 1476 rScaned_Product_Attached_Document.pdf.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\rScaned_Product_Attached_Document.pdf.exe"C:\Users\Admin\AppData\Local\Temp\rScaned_Product_Attached_Document.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Users\Admin\AppData\Local\Temp\rScaned_Product_Attached_Document.pdf.exe"C:\Users\Admin\AppData\Local\Temp\rScaned_Product_Attached_Document.pdf.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1804
-