Analysis
-
max time kernel
120s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
23/10/2024, 06:58
Static task
static1
Behavioral task
behavioral1
Sample
REVISED INVOICE.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
REVISED INVOICE.exe
Resource
win10v2004-20241007-en
General
-
Target
REVISED INVOICE.exe
-
Size
772KB
-
MD5
76f0f7efa38fee04f22a3836c7f8f2d3
-
SHA1
68bccecfc0128f4542ffc35aa4a4644c3f9fff0e
-
SHA256
79d9270edbf86a9503b71bb27d04a88c1f8506fadad7b702adf97c5893f6cb14
-
SHA512
9f71c798af7d25ebdf63d5a7987bca41ba2ff3eb379a70b971730c9291a4f44238c4b3f66f9d38968315581424e801a49e9f24df0e53ed94a62184553b36bf1c
-
SSDEEP
12288:TlqG7jVsASFomUxB/U7UYyDD34kNn71L2PC2jxxjbaS47pxfd/TJQ8XV7XkR:b7RSOxP/JYy33Dpd2xv4VhfQ8lm
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
smtp.ionos.fr - Port:
587 - Username:
[email protected] - Password:
Jc.2o3o@ - Email To:
[email protected]
Signatures
-
VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
-
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2316 powershell.exe -
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 3 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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 REVISED INVOICE.exe Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 REVISED INVOICE.exe Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 REVISED INVOICE.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2380 set thread context of 2860 2380 REVISED INVOICE.exe 35 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language REVISED INVOICE.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language REVISED INVOICE.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2756 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2380 REVISED INVOICE.exe 2380 REVISED INVOICE.exe 2380 REVISED INVOICE.exe 2380 REVISED INVOICE.exe 2380 REVISED INVOICE.exe 2860 REVISED INVOICE.exe 2316 powershell.exe 2860 REVISED INVOICE.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2380 REVISED INVOICE.exe Token: SeDebugPrivilege 2860 REVISED INVOICE.exe Token: SeDebugPrivilege 2316 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2380 wrote to memory of 2316 2380 REVISED INVOICE.exe 31 PID 2380 wrote to memory of 2316 2380 REVISED INVOICE.exe 31 PID 2380 wrote to memory of 2316 2380 REVISED INVOICE.exe 31 PID 2380 wrote to memory of 2316 2380 REVISED INVOICE.exe 31 PID 2380 wrote to memory of 2756 2380 REVISED INVOICE.exe 33 PID 2380 wrote to memory of 2756 2380 REVISED INVOICE.exe 33 PID 2380 wrote to memory of 2756 2380 REVISED INVOICE.exe 33 PID 2380 wrote to memory of 2756 2380 REVISED INVOICE.exe 33 PID 2380 wrote to memory of 2860 2380 REVISED INVOICE.exe 35 PID 2380 wrote to memory of 2860 2380 REVISED INVOICE.exe 35 PID 2380 wrote to memory of 2860 2380 REVISED INVOICE.exe 35 PID 2380 wrote to memory of 2860 2380 REVISED INVOICE.exe 35 PID 2380 wrote to memory of 2860 2380 REVISED INVOICE.exe 35 PID 2380 wrote to memory of 2860 2380 REVISED INVOICE.exe 35 PID 2380 wrote to memory of 2860 2380 REVISED INVOICE.exe 35 PID 2380 wrote to memory of 2860 2380 REVISED INVOICE.exe 35 PID 2380 wrote to memory of 2860 2380 REVISED INVOICE.exe 35 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 REVISED INVOICE.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 REVISED INVOICE.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE.exe"C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JfOfGZQ.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2316
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JfOfGZQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF650.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2756
-
-
C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE.exe"C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2860
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD52fe33f59e461f64d005d681861743c40
SHA11d345cd4bae2269209348c7f9e529d4fb76a7900
SHA256875f13ad2c9275c149fd580e43ad2a690f40fedb6bee02f76fe81ef5dc57ddff
SHA512195aec1ec7bfe82b7dc08dddbe22268358afe83f14717509c95dab8856d47b185be24ede9a11195192908087a7cfaa0cb73eda8733b522f8246e5e81ca8d5d1b