Analysis
- max time kernel
121s - max time network
122s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
- submitted
11/10/2024, 12:16
General
- Target _GG__F_ __S______S_S F_S__O_ ___SO_O_.pdf.exe
- Size 878KB
- Sample241011-pff3ca1gnd
- SHA256 4c862b599a4c9a2e709ab39c52f577a99685c5a2fd2683ff58ef67bef169438e
Malware Config
Extracted
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vipkeylogger
-
Protocol
smtp
-
Host
mail.vinatax.us
-
Port
587
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Username
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Password
vinatax@2022
-
Email to
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- 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.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\_GG__F_ __S______S_S F_S__O_ ___SO_O_.pdf.exe"C:\Users\Admin\AppData\Local\Temp\_GG__F_ __S______S_S F_S__O_ ___SO_O_.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\_GG__F_ __S______S_S F_S__O_ ___SO_O_.pdf.exe"C:\Users\Admin\AppData\Local\Temp\_GG__F_ __S______S_S F_S__O_ ___SO_O_.pdf.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\_GG__F_ __S______S_S F_S__O_ ___SO_O_.pdf.exe"C:\Users\Admin\AppData\Local\Temp\_GG__F_ __S______S_S F_S__O_ ___SO_O_.pdf.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
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2288-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp
memory/2288-1-0x0000000000B80000-0x0000000000C5E000-memory.dmp
memory/2288-2-0x0000000074E00000-0x00000000754EE000-memory.dmp
memory/2288-3-0x0000000000310000-0x0000000000322000-memory.dmp
memory/2288-4-0x0000000074E0E000-0x0000000074E0F000-memory.dmp
memory/2288-5-0x0000000074E00000-0x00000000754EE000-memory.dmp
memory/2288-6-0x0000000000AE0000-0x0000000000B7E000-memory.dmp
memory/2288-21-0x0000000074E00000-0x00000000754EE000-memory.dmp
memory/2432-8-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2432-19-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2432-17-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2432-15-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2432-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2432-11-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2432-9-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2432-20-0x0000000074E00000-0x00000000754EE000-memory.dmp
memory/2432-7-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2432-22-0x0000000074E00000-0x00000000754EE000-memory.dmp
memory/2432-23-0x0000000074E00000-0x00000000754EE000-memory.dmp