Analysis
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max time kernel
122s -
max time network
203s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-01-2025 15:56
Static task
static1
Behavioral task
behavioral1
Sample
PO#17971.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
PO#17971.exe
Resource
win10v2004-20241007-en
General
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Target
PO#17971.exe
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Size
808KB
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MD5
a8a2543b3b684c7668e2ea7f0fda818b
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SHA1
95f1ef47f4fddae43d5f2923be0498ac20d39ed7
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SHA256
1a096b05c22c2f1fe36e1a03e28b49129d1d5812c5b974c929b2213c8dc8896b
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SHA512
e47b2426d4359e43d32bfbe87fddcab42d80becc73c117f2b09ce59169ebd641eea13491fcf9b9ce0cfc19e8e7377c96bf925e034680d4dac1257b8a2b285048
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SSDEEP
12288:YUoV+I4MVKW3U5Hn4GMtYvvjUNn9KKXLgvaGG5IeiSl3vu/SJuJ:ERgQU5H4Dt6UNn9KKYve3m/SY
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
wVCMFq@2wVCMFq@2
Extracted
vipkeylogger
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
wVCMFq@2wVCMFq@2 - 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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Vipkeylogger family
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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 1476 powershell.exe 4452 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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation PO#17971.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 21 checkip.dyndns.org 23 reallyfreegeoip.org 24 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3296 set thread context of 2624 3296 PO#17971.exe 103 -
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 PO#17971.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe 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 MSBuild.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 4940 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3296 PO#17971.exe 4452 powershell.exe 1476 powershell.exe 3296 PO#17971.exe 1476 powershell.exe 2624 MSBuild.exe 4452 powershell.exe 2624 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3296 PO#17971.exe Token: SeDebugPrivilege 1476 powershell.exe Token: SeDebugPrivilege 4452 powershell.exe Token: SeDebugPrivilege 2624 MSBuild.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3296 wrote to memory of 1476 3296 PO#17971.exe 97 PID 3296 wrote to memory of 1476 3296 PO#17971.exe 97 PID 3296 wrote to memory of 1476 3296 PO#17971.exe 97 PID 3296 wrote to memory of 4452 3296 PO#17971.exe 99 PID 3296 wrote to memory of 4452 3296 PO#17971.exe 99 PID 3296 wrote to memory of 4452 3296 PO#17971.exe 99 PID 3296 wrote to memory of 4940 3296 PO#17971.exe 101 PID 3296 wrote to memory of 4940 3296 PO#17971.exe 101 PID 3296 wrote to memory of 4940 3296 PO#17971.exe 101 PID 3296 wrote to memory of 2624 3296 PO#17971.exe 103 PID 3296 wrote to memory of 2624 3296 PO#17971.exe 103 PID 3296 wrote to memory of 2624 3296 PO#17971.exe 103 PID 3296 wrote to memory of 2624 3296 PO#17971.exe 103 PID 3296 wrote to memory of 2624 3296 PO#17971.exe 103 PID 3296 wrote to memory of 2624 3296 PO#17971.exe 103 PID 3296 wrote to memory of 2624 3296 PO#17971.exe 103 PID 3296 wrote to memory of 2624 3296 PO#17971.exe 103 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO#17971.exe"C:\Users\Admin\AppData\Local\Temp\PO#17971.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:3296 -
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\PO#17971.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1476
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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\uApFVLY.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4452
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uApFVLY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE138.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4940
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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:2624
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5ba13bec78d55a5573b36d6b2cade7102
SHA1ffe32ba50933a783922b40a29a38aaa20b38e2b5
SHA256da9899118f33305f2edfccd7872a3bd2b93a157e3a254b9f593156af677db6d0
SHA51202ce00b063bb0b874815a5228331cfcd52d29cee57726dc8f3246c9c1899d13d8fc3dfdd6d19f6ca7ffe2fc35cabd8b2012d41f91ddd727272ef76f89c4ccb1e
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5642422e6d270ef4fdac641661edadea7
SHA190562e75ad438a75e6a7f388e988a0816401551f
SHA25687851d8a4b3669c26a5a9a43f8d94c442f601171b11b4981b1213806108a96f0
SHA512ee6984b1eac5699493ca36c70ad2cf4550618644bbc72cf9171cf4a2dc78a83f2e39e21a479265292405363a4aaf31e5d6571bbc00abbc6729a08f9629ff3653