Analysis
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max time kernel
94s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-10-2024 11:25
Static task
static1
Behavioral task
behavioral1
Sample
invoices.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
invoices.exe
Resource
win10v2004-20240802-en
General
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Target
invoices.exe
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Size
757KB
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MD5
fbe6bc03a03310d3cb73b56f26c450c4
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SHA1
daef2bf82d629458f58ef53c2faf93970c27644e
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SHA256
1ffdb5b3f3b764b20dfc66d3c70d80d25a75b3707f42cce07b032398bce7b195
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SHA512
55972ac403bb20d4ff8f4da07c62c0172260f3e73889b4e5069ad999920409f30c7cbca95bb953ed0d10fe0af38555b816322bcfcea79fc75ea123b0471e5ad1
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SSDEEP
12288:HNit1Ay2Lr/xR65Qxh1D5N1IyXHu1/NeKtmtpqgqc5kp2PLitx+xRkR:At1yQUJW2OPbnlYLQx+xM
Malware Config
Extracted
Protocol: smtp- Host:
foxwagon-equipment.com - Port:
587 - Username:
[email protected] - Password:
SVBd8Gv^}!B1
Extracted
vipkeylogger
Protocol: smtp- Host:
foxwagon-equipment.com - Port:
587 - Username:
[email protected] - Password:
SVBd8Gv^}!B1 - 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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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.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
invoices.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation invoices.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 3 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:
invoices.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoices.exe Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoices.exe Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoices.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.
Processes:
flow ioc 21 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
invoices.exedescription pid process target process PID 2984 set thread context of 2340 2984 invoices.exe invoices.exe -
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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
schtasks.exeinvoices.exeinvoices.exepowershell.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language invoices.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language invoices.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.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
invoices.exepowershell.exeinvoices.exepid process 2984 invoices.exe 1784 powershell.exe 2984 invoices.exe 2340 invoices.exe 1784 powershell.exe 2340 invoices.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
invoices.exepowershell.exeinvoices.exedescription pid process Token: SeDebugPrivilege 2984 invoices.exe Token: SeDebugPrivilege 1784 powershell.exe Token: SeDebugPrivilege 2340 invoices.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
invoices.exedescription pid process target process PID 2984 wrote to memory of 1784 2984 invoices.exe powershell.exe PID 2984 wrote to memory of 1784 2984 invoices.exe powershell.exe PID 2984 wrote to memory of 1784 2984 invoices.exe powershell.exe PID 2984 wrote to memory of 3304 2984 invoices.exe schtasks.exe PID 2984 wrote to memory of 3304 2984 invoices.exe schtasks.exe PID 2984 wrote to memory of 3304 2984 invoices.exe schtasks.exe PID 2984 wrote to memory of 2340 2984 invoices.exe invoices.exe PID 2984 wrote to memory of 2340 2984 invoices.exe invoices.exe PID 2984 wrote to memory of 2340 2984 invoices.exe invoices.exe PID 2984 wrote to memory of 2340 2984 invoices.exe invoices.exe PID 2984 wrote to memory of 2340 2984 invoices.exe invoices.exe PID 2984 wrote to memory of 2340 2984 invoices.exe invoices.exe PID 2984 wrote to memory of 2340 2984 invoices.exe invoices.exe PID 2984 wrote to memory of 2340 2984 invoices.exe invoices.exe -
outlook_office_path 1 IoCs
Processes:
invoices.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoices.exe -
outlook_win_path 1 IoCs
Processes:
invoices.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoices.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\invoices.exe"C:\Users\Admin\AppData\Local\Temp\invoices.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nyQmHXV.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1784
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nyQmHXV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB6DC.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3304
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C:\Users\Admin\AppData\Local\Temp\invoices.exe"C:\Users\Admin\AppData\Local\Temp\invoices.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:2340
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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
MD569ecb32a10642d111ca3ebd57d3112c3
SHA134b7d72595366fe2f022507ae52fd905d986e5b4
SHA2561ccc50c5dcda1b8a865c12ed87cd6635be330260e3ebc0fdffffdf4c7232c496
SHA512bcc4a73bd50f7b226ab078e411c477b731f82410e40d4b255ca8458600adb06437aba94e47a672ad9f6f879150e2ee53bfa01b74f6839db5786fe49cf44dc7aa