Analysis
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max time kernel
103s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-01-2025 04:24
Behavioral task
behavioral1
Sample
ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe
Resource
win10v2004-20241007-en
General
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Target
ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe
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Size
937KB
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MD5
bc7baa033dff24e20cf7180039f730f1
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SHA1
e63aa08c5ff536cc60859e76223405a83d15af25
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SHA256
ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e
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SHA512
88a9768b65c0d6b7af3f29c4e8b2326ad38f1866445e11ccf7d9deeb97669e3514519226c881e07aaf6f335f4ad4de462a1f3a3e56446fa659e1ec3700e75715
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SSDEEP
24576:0thEVaPqLqn8vgIiregw+cVizAKDupFZZoJSyIU8is:IEVUcXVfPVWSxnis
Malware Config
Extracted
Protocol: smtp- Host:
mail.vvtrade.vn - Port:
587 - Username:
[email protected] - Password:
qVyP6qyv6MQCmZJBRs4t
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.vvtrade.vn - Port:
587 - Username:
[email protected] - Password:
qVyP6qyv6MQCmZJBRs4t - Email To:
[email protected]
https://api.telegram.org/bot7323823089:AAFBRsTW94zIpSoDS8yfGsotlQLqF2I6TU0/sendMessage?chat_id=5013849544
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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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Charley.vbs Charley.exe -
Executes dropped EXE 1 IoCs
pid Process 1372 Charley.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 15 checkip.dyndns.org 17 reallyfreegeoip.org 18 reallyfreegeoip.org -
AutoIT Executable 3 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/608-9-0x0000000000400000-0x00000000004E6000-memory.dmp autoit_exe behavioral2/memory/1372-13-0x0000000003F50000-0x0000000004350000-memory.dmp autoit_exe behavioral2/memory/1372-17-0x0000000000400000-0x00000000004E6000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1372 set thread context of 3368 1372 Charley.exe 83 -
resource yara_rule behavioral2/memory/608-0-0x0000000000400000-0x00000000004E6000-memory.dmp upx behavioral2/files/0x0007000000023ccc-6.dat upx behavioral2/memory/608-9-0x0000000000400000-0x00000000004E6000-memory.dmp upx behavioral2/memory/1372-17-0x0000000000400000-0x00000000004E6000-memory.dmp upx -
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 3 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 ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Charley.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3368 RegSvcs.exe 3368 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1372 Charley.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3368 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 608 ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe 608 ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe 1372 Charley.exe 1372 Charley.exe -
Suspicious use of SendNotifyMessage 4 IoCs
pid Process 608 ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe 608 ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe 1372 Charley.exe 1372 Charley.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 608 wrote to memory of 1372 608 ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe 82 PID 608 wrote to memory of 1372 608 ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe 82 PID 608 wrote to memory of 1372 608 ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe 82 PID 1372 wrote to memory of 3368 1372 Charley.exe 83 PID 1372 wrote to memory of 3368 1372 Charley.exe 83 PID 1372 wrote to memory of 3368 1372 Charley.exe 83 PID 1372 wrote to memory of 3368 1372 Charley.exe 83 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe"C:\Users\Admin\AppData\Local\Temp\ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:608 -
C:\Users\Admin\AppData\Local\Hymenophyllaceae\Charley.exe"C:\Users\Admin\AppData\Local\Temp\ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1372 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e.exe"3⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3368
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
937KB
MD5bc7baa033dff24e20cf7180039f730f1
SHA1e63aa08c5ff536cc60859e76223405a83d15af25
SHA256ff8b7e1dd30b48c8c2144509dbf84b3103160a4fd8dcdb4341a782eb60592f0e
SHA51288a9768b65c0d6b7af3f29c4e8b2326ad38f1866445e11ccf7d9deeb97669e3514519226c881e07aaf6f335f4ad4de462a1f3a3e56446fa659e1ec3700e75715
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Filesize
269KB
MD534dd06e186ca5b055d5e8c4981870071
SHA1edfa4060567a8190092289632c566d71819f2ba5
SHA25667b74d7af76dfd64701a95adf4db4e4cd3370b81db03282f9f09e8468ecd41ba
SHA51239bbbff6b2d5a4cc2a184de0c0b3ca3079fa8990fea9d2e37b52f15cddd66d69ed891b8ed3f014b3ed2b26e024069e2e45ac9c8a52677a921661c6cf5e106e42