Analysis
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max time kernel
85s -
max time network
59s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 14:53
Static task
static1
Behavioral task
behavioral1
Sample
INV & Packing List.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
INV & Packing List.exe
Resource
win10v2004-20220901-en
General
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Target
INV & Packing List.exe
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Size
807KB
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MD5
40264f53f0f83bfd21df75e22db2b0ea
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SHA1
93171e1bd1c33212724b3b3e5238f0c83531fc7e
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SHA256
caef9e906b0768d4134a8fc2a9523554b23bb9980668c299106d1ace32cbbaef
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SHA512
7f7f85a39e3bce3f3c0465c97a3367f2d2860bfeb67d3f7a17f8342c7742d1280681fdefda5d1f418f64da22b7e6877e677134d8c36628389c06f4465fe9bfd6
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SSDEEP
24576:NU676CSkFg/IyXt5TKhwlZzE9H/0XPG5X:KlkoXfxZsf6Q
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.strictfacilityservices.com - Port:
587 - Username:
[email protected] - Password:
SFS!@#321 - 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 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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
INV & Packing List.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INV & Packing List.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INV & Packing List.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INV & Packing List.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.
Processes:
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
INV & Packing List.exedescription pid process target process PID 1324 set thread context of 268 1324 INV & Packing List.exe INV & Packing List.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 4 IoCs
Processes:
INV & Packing List.exeINV & Packing List.exepid process 1324 INV & Packing List.exe 268 INV & Packing List.exe 268 INV & Packing List.exe 268 INV & Packing List.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
INV & Packing List.exeINV & Packing List.exedescription pid process Token: SeDebugPrivilege 1324 INV & Packing List.exe Token: SeDebugPrivilege 268 INV & Packing List.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
INV & Packing List.exepid process 268 INV & Packing List.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
INV & Packing List.exedescription pid process target process PID 1324 wrote to memory of 672 1324 INV & Packing List.exe schtasks.exe PID 1324 wrote to memory of 672 1324 INV & Packing List.exe schtasks.exe PID 1324 wrote to memory of 672 1324 INV & Packing List.exe schtasks.exe PID 1324 wrote to memory of 672 1324 INV & Packing List.exe schtasks.exe PID 1324 wrote to memory of 268 1324 INV & Packing List.exe INV & Packing List.exe PID 1324 wrote to memory of 268 1324 INV & Packing List.exe INV & Packing List.exe PID 1324 wrote to memory of 268 1324 INV & Packing List.exe INV & Packing List.exe PID 1324 wrote to memory of 268 1324 INV & Packing List.exe INV & Packing List.exe PID 1324 wrote to memory of 268 1324 INV & Packing List.exe INV & Packing List.exe PID 1324 wrote to memory of 268 1324 INV & Packing List.exe INV & Packing List.exe PID 1324 wrote to memory of 268 1324 INV & Packing List.exe INV & Packing List.exe PID 1324 wrote to memory of 268 1324 INV & Packing List.exe INV & Packing List.exe PID 1324 wrote to memory of 268 1324 INV & Packing List.exe INV & Packing List.exe -
outlook_office_path 1 IoCs
Processes:
INV & Packing List.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INV & Packing List.exe -
outlook_win_path 1 IoCs
Processes:
INV & Packing List.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INV & Packing List.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\INV & Packing List.exe"C:\Users\Admin\AppData\Local\Temp\INV & Packing List.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1324 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RWbWWa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAB0F.tmp"2⤵
- Creates scheduled task(s)
PID:672 -
C:\Users\Admin\AppData\Local\Temp\INV & Packing List.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:268
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD58a12d8faa2c632a3286eab16aed4eb7d
SHA15df435cb98af178e1a9c6c40c84aed2b71e95742
SHA256950878f78629948f694ed2c110c60918bdaf1642fe53cd3830a540d3897cbf9b
SHA512809400a6b35f69b589f41c37f62aa9bdf6aec0cb7ba002a3141b80e96a46d72d77b0c698036098b178b2b7e08ddbf3701bff3147eb31ed0ae9d9f8805eaf939c