Analysis
- max time kernel
142s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
20/06/2023, 12:23
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
rProductSample.exe
Resource
win7-20230220-en
17 signatures
150 seconds
Behavioral task
behavioral2
Sample
rProductSample.exe
Resource
win10v2004-20230220-en
17 signatures
150 seconds
General
- Target rProductSample.exe
- Size 302KB
- Sample230620-pkfx5sda8s
- SHA256 72415d85437a9ce23c1b6e7379c4d68673f0fd4a4612877bb625db9b5dfd6785
- MD5 d63fe952e90788072c6166a39bde21b5
- SHA1 903979ba9591049611d13bb95846ca8b006021f0
- SHA512 d13687bbb29257f403458dfff31ab02898043a64e52bea4bd382fe58860012d46afe6bbf0b18857d892c03ccadf9ec0df497a691554aedfe9d33eca35c5eb2ae
- SSDEEP 6144:PYa683IqU8s1pvGk2tM8rkze6447u8P1ggkGpW/7pg0Go7QY7Lh:PYC3IL1gk2tVGf4+ggkBtR7h3h
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Loads dropped DLL 1 IoCs
pid Process 4136 rProductSample.exe - 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-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rProductSample.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rProductSample.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rProductSample.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe" rProductSample.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 14 api.ipify.org 15 api.ipify.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4136 set thread context of 3456 4136 rProductSample.exe 84 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3456 rProductSample.exe 3456 rProductSample.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4136 rProductSample.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3456 rProductSample.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3456 rProductSample.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4136 wrote to memory of 3456 4136 rProductSample.exe 84 PID 4136 wrote to memory of 3456 4136 rProductSample.exe 84 PID 4136 wrote to memory of 3456 4136 rProductSample.exe 84 PID 4136 wrote to memory of 3456 4136 rProductSample.exe 84 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rProductSample.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rProductSample.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\rProductSample.exe"C:\Users\Admin\AppData\Local\Temp\rProductSample.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4136 -
C:\Users\Admin\AppData\Local\Temp\rProductSample.exe"C:\Users\Admin\AppData\Local\Temp\rProductSample.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3456
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsk6ECE.tmp\jqrrkcu.dll
- Size 86KB
- SHA256 f2d1788f1c4aff80078cc05e5cec3cae6c91212838d077682e18fbec66cdc4e4
- MD5 b67e8512632aae047a483b643ea6b1b4
- SHA1 7636162368becb6c406a4a85ffbcc4348f89f2e8
- SHA512 82128feb6c6b604ae7d089c8c26a327490af78e1dcbbd45f6dfb6d14b20fa5f697ef490386d6dfffbedaf333abe44b9d3fe7a8e200a254a3c3044455e38a1056
- SSDEEP 1536:LVb6U+ws0sjQf0xF7+YsuPDoF+Ee99hZFcDX8:hWSVf037+CDZES9hiX
- MD5 SHA1 SHA512 SSDEEP