Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-01-2025 02:53
Static task
static1
Behavioral task
behavioral1
Sample
df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe
Resource
win10v2004-20241007-en
General
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Target
df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe
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Size
742KB
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MD5
c67b6ff2d472bf82dc4da545dbc37a43
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SHA1
c5e677e5e48d5ca965b6e2d3f0c8b56fb80e7be5
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SHA256
df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400
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SHA512
69ba6f8e9e99f09a669ae875412af6bcb87dd649161e8e725be05c9db2ce8fe20da88de509cd9208a427b93172caeb94ed588efa5697eb0ebf5fe262d8943e11
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SSDEEP
12288:74doaeS+/ZgdvAC+O8DzxPzNjZGtypP2q2PEexgQNqaCBCrRKNr6sj9Gn:EdFeSTdv+O8vxPzNjUtE7280RNqaLrMc
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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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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.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 21 reallyfreegeoip.org 18 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2184 set thread context of 3940 2184 df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe 89 -
Program crash 1 IoCs
pid pid_target Process procid_target 4684 2184 WerFault.exe 82 -
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 df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3940 df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe 3940 df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3940 df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2184 wrote to memory of 3940 2184 df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe 89 PID 2184 wrote to memory of 3940 2184 df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe 89 PID 2184 wrote to memory of 3940 2184 df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe 89 PID 2184 wrote to memory of 3940 2184 df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe 89 PID 2184 wrote to memory of 3940 2184 df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe 89 PID 2184 wrote to memory of 3940 2184 df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe 89 PID 2184 wrote to memory of 3940 2184 df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe 89 PID 2184 wrote to memory of 3940 2184 df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe 89 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe"C:\Users\Admin\AppData\Local\Temp\df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Users\Admin\AppData\Local\Temp\df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe"C:\Users\Admin\AppData\Local\Temp\df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.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:3940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 12122⤵
- Program crash
PID:4684
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2184 -ip 21841⤵PID:2216
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\df3c8cc4eaf6b0a8a6a0254c54160486df1b38f8a6591a60dbc520f38389c400.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3