Analysis
-
max time kernel
120s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
12/10/2023, 07:46
Static task
static1
Behavioral task
behavioral1
Sample
S009892823120097.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
S009892823120097.exe
Resource
win10v2004-20230915-en
General
-
Target
S009892823120097.exe
-
Size
676KB
-
MD5
cddc8d8aa042a107b1a867b55509c487
-
SHA1
59d13800e7c6683e0bb790e4537ae8fdc9d591d9
-
SHA256
4732bfa7244b73047ddfa6759a4b519e8d9335fe1ae5bb80dfc50350f3b66569
-
SHA512
f904c2add1d0be79c1f2f039ab2a4f8f38dd7791914baf6a8adbc85cd69a218259d75f386c4198c89ccfcc66086ba1c01cb6c0a9c8ecee869e1fb678a1f200f1
-
SSDEEP
12288:CrqEisUH/hO0cnuhG7XiTGk5IcnqFzVX4Oy6Xf8s7HnzhtxH:aqEWE0cnuhG7X+9G/Fp4OZ0s7dtx
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.seagullhotel.com - Port:
587 - Username:
[email protected] - Password:
sea345gull - Email To:
[email protected]
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.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 S009892823120097.exe Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 S009892823120097.exe Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 S009892823120097.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 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2560 set thread context of 2228 2560 S009892823120097.exe 34 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2616 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2560 S009892823120097.exe 2560 S009892823120097.exe 2560 S009892823120097.exe 2560 S009892823120097.exe 2560 S009892823120097.exe 2560 S009892823120097.exe 2560 S009892823120097.exe 2228 S009892823120097.exe 2228 S009892823120097.exe 2508 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2560 S009892823120097.exe Token: SeDebugPrivilege 2228 S009892823120097.exe Token: SeDebugPrivilege 2508 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2228 S009892823120097.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2560 wrote to memory of 2508 2560 S009892823120097.exe 30 PID 2560 wrote to memory of 2508 2560 S009892823120097.exe 30 PID 2560 wrote to memory of 2508 2560 S009892823120097.exe 30 PID 2560 wrote to memory of 2508 2560 S009892823120097.exe 30 PID 2560 wrote to memory of 2616 2560 S009892823120097.exe 32 PID 2560 wrote to memory of 2616 2560 S009892823120097.exe 32 PID 2560 wrote to memory of 2616 2560 S009892823120097.exe 32 PID 2560 wrote to memory of 2616 2560 S009892823120097.exe 32 PID 2560 wrote to memory of 2228 2560 S009892823120097.exe 34 PID 2560 wrote to memory of 2228 2560 S009892823120097.exe 34 PID 2560 wrote to memory of 2228 2560 S009892823120097.exe 34 PID 2560 wrote to memory of 2228 2560 S009892823120097.exe 34 PID 2560 wrote to memory of 2228 2560 S009892823120097.exe 34 PID 2560 wrote to memory of 2228 2560 S009892823120097.exe 34 PID 2560 wrote to memory of 2228 2560 S009892823120097.exe 34 PID 2560 wrote to memory of 2228 2560 S009892823120097.exe 34 PID 2560 wrote to memory of 2228 2560 S009892823120097.exe 34 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 S009892823120097.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 S009892823120097.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\S009892823120097.exe"C:\Users\Admin\AppData\Local\Temp\S009892823120097.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2560 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yjWAImuIK.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2508
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yjWAImuIK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp39A6.tmp"2⤵
- Creates scheduled task(s)
PID:2616
-
-
C:\Users\Admin\AppData\Local\Temp\S009892823120097.exe"C:\Users\Admin\AppData\Local\Temp\S009892823120097.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2228
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD562c8d6c70dec775141887a6d9559e45b
SHA1c10cb6a0eb71c10c78da2d96a28e0e13f62a6d45
SHA2567bbe5901bb8c50ee11222261742b80e1f67a63b0a4a8f256edd9a757eebc89d5
SHA512faa61ef14dbdfb2c3154302da747ad5356dcd41caccc448ef10847f5544404a44a741f11020f4b8cccc512ee003674d8951844b3de9e481c52d88c9b2843969b