Analysis
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max time kernel
118s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-01-2025 06:49
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Purchase Order.exe
Resource
win10v2004-20241007-en
General
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Target
Purchase Order.exe
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Size
770KB
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MD5
a491209a0e000c2cdec97917630e6f62
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SHA1
28c6da51a8b2a6afdf6115a51d00067cae267428
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SHA256
986c7ba4b52f32639ede176c41683e7ad6dfa95e195ebbef3d24babbba177aac
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SHA512
892d9f7915036a35033cb2383e3aff1ea152c288b6dea079c770ba09144a95db851cfaaf4b94bbd7f332a5f877573bf99a055a1738e9cda84bd52bbd7d57f5e4
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SSDEEP
12288:NSdsFtchGIpmcjY9kStKQubVLt/LQs8X0CuMsMJu4VjTvBMJ:LchGIMaY9/tEDH8X7ug7fv
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
Lobomuffin1427
Extracted
vipkeylogger
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
Lobomuffin1427 - 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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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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.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 20 reallyfreegeoip.org 17 checkip.dyndns.org 19 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4988 set thread context of 1288 4988 Purchase Order.exe 89 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 Purchase Order.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Purchase Order.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1288 Purchase Order.exe 1288 Purchase Order.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1288 Purchase Order.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4988 wrote to memory of 1288 4988 Purchase Order.exe 89 PID 4988 wrote to memory of 1288 4988 Purchase Order.exe 89 PID 4988 wrote to memory of 1288 4988 Purchase Order.exe 89 PID 4988 wrote to memory of 1288 4988 Purchase Order.exe 89 PID 4988 wrote to memory of 1288 4988 Purchase Order.exe 89 PID 4988 wrote to memory of 1288 4988 Purchase Order.exe 89 PID 4988 wrote to memory of 1288 4988 Purchase Order.exe 89 PID 4988 wrote to memory of 1288 4988 Purchase Order.exe 89 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4988 -
C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.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:1288
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3