Analysis
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max time kernel
100s -
max time network
102s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
29/08/2024, 02:11
Static task
static1
Behavioral task
behavioral1
Sample
a42a0e33a7afc63d95646d92bda54590N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
a42a0e33a7afc63d95646d92bda54590N.exe
Resource
win10v2004-20240802-en
General
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Target
a42a0e33a7afc63d95646d92bda54590N.exe
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Size
734KB
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MD5
a42a0e33a7afc63d95646d92bda54590
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SHA1
a9b1f89274a0ba2a108ab0c65c9590d394f9c621
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SHA256
cb3bfc9012fd57837e1502dcc56619ad658c1e0b2328cf172f73ab00261bc8b5
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SHA512
0b2b8214f18478ca5b8885203911c6a6ece88b7527b5d564d4121c5f1adfddeb07c2a3e55c88578cac872eaf9c5774b75c59b55fd88237c2fcbb4bcc3f587bfd
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SSDEEP
12288:vWvuoL3rlW4fx1wjCrVoWIoYuCzQnIn+98DfSx6DZH/dJQLsU+9eLFDvcFUSWh0w:mlvH4EeT9zQnI7eYN1JQAwLFDveUD0Mc
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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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 2 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-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a42a0e33a7afc63d95646d92bda54590N.exe Key opened \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a42a0e33a7afc63d95646d92bda54590N.exe Key opened \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a42a0e33a7afc63d95646d92bda54590N.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.
flow ioc 29 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2296 set thread context of 4844 2296 a42a0e33a7afc63d95646d92bda54590N.exe 95 -
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 a42a0e33a7afc63d95646d92bda54590N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a42a0e33a7afc63d95646d92bda54590N.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2296 a42a0e33a7afc63d95646d92bda54590N.exe 2296 a42a0e33a7afc63d95646d92bda54590N.exe 2296 a42a0e33a7afc63d95646d92bda54590N.exe 2296 a42a0e33a7afc63d95646d92bda54590N.exe 2296 a42a0e33a7afc63d95646d92bda54590N.exe 2296 a42a0e33a7afc63d95646d92bda54590N.exe 2296 a42a0e33a7afc63d95646d92bda54590N.exe 2296 a42a0e33a7afc63d95646d92bda54590N.exe 4844 a42a0e33a7afc63d95646d92bda54590N.exe 4844 a42a0e33a7afc63d95646d92bda54590N.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2296 a42a0e33a7afc63d95646d92bda54590N.exe Token: SeDebugPrivilege 4844 a42a0e33a7afc63d95646d92bda54590N.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2296 wrote to memory of 1968 2296 a42a0e33a7afc63d95646d92bda54590N.exe 94 PID 2296 wrote to memory of 1968 2296 a42a0e33a7afc63d95646d92bda54590N.exe 94 PID 2296 wrote to memory of 1968 2296 a42a0e33a7afc63d95646d92bda54590N.exe 94 PID 2296 wrote to memory of 4844 2296 a42a0e33a7afc63d95646d92bda54590N.exe 95 PID 2296 wrote to memory of 4844 2296 a42a0e33a7afc63d95646d92bda54590N.exe 95 PID 2296 wrote to memory of 4844 2296 a42a0e33a7afc63d95646d92bda54590N.exe 95 PID 2296 wrote to memory of 4844 2296 a42a0e33a7afc63d95646d92bda54590N.exe 95 PID 2296 wrote to memory of 4844 2296 a42a0e33a7afc63d95646d92bda54590N.exe 95 PID 2296 wrote to memory of 4844 2296 a42a0e33a7afc63d95646d92bda54590N.exe 95 PID 2296 wrote to memory of 4844 2296 a42a0e33a7afc63d95646d92bda54590N.exe 95 PID 2296 wrote to memory of 4844 2296 a42a0e33a7afc63d95646d92bda54590N.exe 95 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a42a0e33a7afc63d95646d92bda54590N.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 a42a0e33a7afc63d95646d92bda54590N.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a42a0e33a7afc63d95646d92bda54590N.exe"C:\Users\Admin\AppData\Local\Temp\a42a0e33a7afc63d95646d92bda54590N.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2296 -
C:\Users\Admin\AppData\Local\Temp\a42a0e33a7afc63d95646d92bda54590N.exe"C:\Users\Admin\AppData\Local\Temp\a42a0e33a7afc63d95646d92bda54590N.exe"2⤵PID:1968
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C:\Users\Admin\AppData\Local\Temp\a42a0e33a7afc63d95646d92bda54590N.exe"C:\Users\Admin\AppData\Local\Temp\a42a0e33a7afc63d95646d92bda54590N.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:4844
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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\a42a0e33a7afc63d95646d92bda54590N.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3