Analysis
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max time kernel
140s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
30/08/2024, 19:13
Static task
static1
Behavioral task
behavioral1
Sample
Invoice-2238562.pdf.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
Invoice-2238562.pdf.exe
Resource
win10v2004-20240802-en
General
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Target
Invoice-2238562.pdf.exe
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Size
697KB
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MD5
ffce60d577ed0b67ba4f4a590fa1aabc
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SHA1
b3ed06cb9856f457fd161efee573e3d9695cccb3
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SHA256
5827d53c05670c0d0f65d0ce989000b410cfbfb5a9831107d8dfbb13280501cb
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SHA512
cb5bd447f3c2d281ff93cb49c82f961e9a9edfa7efc1b6acb5bb6e9ac3fba7d20fe5ebb0b386c0b1582787d0aa40a370700b86629dcdb9638dcfe9e60e2fadb8
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SSDEEP
12288:3kVV5pxDntgsVsuhtng2RcAxzCUZk/25J/l4FZGb4jmoMA+d7CvWZMWMPagvk:325rp/zRcKPZk/O/lsZGHoMA6eoMzpvk
Malware Config
Extracted
Protocol: smtp- Host:
mail.cgate-ae.com - Port:
587 - Username:
[email protected] - Password:
3_R1bH2BnpXc
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.cgate-ae.com - Port:
587 - Username:
[email protected] - Password:
3_R1bH2BnpXc - Email To:
[email protected]
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 5720 powershell.exe 5408 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation Invoice-2238562.pdf.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.
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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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice-2238562.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice-2238562.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice-2238562.pdf.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 29 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5204 set thread context of 1372 5204 Invoice-2238562.pdf.exe 108 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 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 Invoice-2238562.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Invoice-2238562.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.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 5308 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 5720 powershell.exe 5720 powershell.exe 5408 powershell.exe 5408 powershell.exe 5720 powershell.exe 5408 powershell.exe 1372 Invoice-2238562.pdf.exe 1372 Invoice-2238562.pdf.exe 1372 Invoice-2238562.pdf.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1372 Invoice-2238562.pdf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 5720 powershell.exe Token: SeDebugPrivilege 5408 powershell.exe Token: SeDebugPrivilege 1372 Invoice-2238562.pdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1372 Invoice-2238562.pdf.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 5204 wrote to memory of 5720 5204 Invoice-2238562.pdf.exe 102 PID 5204 wrote to memory of 5720 5204 Invoice-2238562.pdf.exe 102 PID 5204 wrote to memory of 5720 5204 Invoice-2238562.pdf.exe 102 PID 5204 wrote to memory of 5408 5204 Invoice-2238562.pdf.exe 104 PID 5204 wrote to memory of 5408 5204 Invoice-2238562.pdf.exe 104 PID 5204 wrote to memory of 5408 5204 Invoice-2238562.pdf.exe 104 PID 5204 wrote to memory of 5308 5204 Invoice-2238562.pdf.exe 106 PID 5204 wrote to memory of 5308 5204 Invoice-2238562.pdf.exe 106 PID 5204 wrote to memory of 5308 5204 Invoice-2238562.pdf.exe 106 PID 5204 wrote to memory of 1372 5204 Invoice-2238562.pdf.exe 108 PID 5204 wrote to memory of 1372 5204 Invoice-2238562.pdf.exe 108 PID 5204 wrote to memory of 1372 5204 Invoice-2238562.pdf.exe 108 PID 5204 wrote to memory of 1372 5204 Invoice-2238562.pdf.exe 108 PID 5204 wrote to memory of 1372 5204 Invoice-2238562.pdf.exe 108 PID 5204 wrote to memory of 1372 5204 Invoice-2238562.pdf.exe 108 PID 5204 wrote to memory of 1372 5204 Invoice-2238562.pdf.exe 108 PID 5204 wrote to memory of 1372 5204 Invoice-2238562.pdf.exe 108 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice-2238562.pdf.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice-2238562.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Invoice-2238562.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Invoice-2238562.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5204 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Invoice-2238562.pdf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5720
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QyszliywyYQPNQ.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5408
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QyszliywyYQPNQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBAFE.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:5308
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C:\Users\Admin\AppData\Local\Temp\Invoice-2238562.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Invoice-2238562.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1372
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4380,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=1288 /prefetch:81⤵PID:5396
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
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD56aa5c33713dc4f650527a2b9a3c3779e
SHA1594467ebc3e55971f8bcf3421c65c497673d29f7
SHA25682b12e18a7f1b457296551243c37535e93e6183e174b9f464f001f988d7d8bbe
SHA5123effa54b3bae7efbc3deffba643b8974605acd0eb95b3df72b4c2ed08924097c413425f992d5e69974905c60a89095451250bb13bbc80bd9cfd48aacbb75cbe5