Analysis
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max time kernel
44s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
25-09-2024 02:31
Static task
static1
Behavioral task
behavioral1
Sample
cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe
Resource
win10v2004-20240802-en
General
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Target
cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe
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Size
1.6MB
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MD5
33f9a52ed3ffb50b8521c8aa32937ffa
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SHA1
74352bdb82ea54b118490eb2cde06a7270498e92
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SHA256
cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c
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SHA512
13e6766120cefee771625f5a96a7539cd27c9bda27df32ce3069c15c7600ec0a7e609f5214fd92f49e9434144ee2e440e1b3fa5842f6b72856c74faa3a2bead6
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SSDEEP
12288:QEOAC89LW3M1M6VwLVgHhLIqVnBJDcU+SQb+wCbDEXQSiftT8LkaoRRhDOM:QEOSBeK1wkhnVnHCSQS3EgSGwLkaoRbZ
Malware Config
Extracted
vipkeylogger
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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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:
regasm.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exedescription pid Process procid_target PID 848 set thread context of 2456 848 cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe 28 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
regasm.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regasm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regasm.exepid Process 2456 regasm.exe 2456 regasm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
regasm.exedescription pid Process Token: SeDebugPrivilege 2456 regasm.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exedescription pid Process procid_target PID 848 wrote to memory of 2456 848 cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe 28 PID 848 wrote to memory of 2456 848 cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe 28 PID 848 wrote to memory of 2456 848 cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe 28 PID 848 wrote to memory of 2456 848 cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe 28 PID 848 wrote to memory of 2456 848 cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe 28 PID 848 wrote to memory of 2456 848 cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe 28 PID 848 wrote to memory of 2456 848 cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe 28 PID 848 wrote to memory of 2456 848 cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe 28 PID 848 wrote to memory of 2456 848 cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe 28 PID 848 wrote to memory of 2456 848 cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe 28 PID 848 wrote to memory of 2456 848 cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe 28 PID 848 wrote to memory of 2456 848 cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe 28 PID 848 wrote to memory of 2220 848 cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe 29 PID 848 wrote to memory of 2220 848 cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe 29 PID 848 wrote to memory of 2220 848 cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe 29 -
outlook_office_path 1 IoCs
Processes:
regasm.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe -
outlook_win_path 1 IoCs
Processes:
regasm.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe"C:\Users\Admin\AppData\Local\Temp\cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:848 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.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:2456
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 848 -s 6202⤵PID:2220
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