Analysis
- max time kernel
121s - max time network
125s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
- submitted
07/03/2025, 14:06
General
- Target fc6bf2babfb2487a702dfeb041870fa997ca3223eb54f05e2aabeffbbe14094f.exe
- Size 754KB
- Sample250307-repzzasjs3
- SHA256 fc6bf2babfb2487a702dfeb041870fa997ca3223eb54f05e2aabeffbbe14094f
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
mail.aewn.buzz
-
Port
587
-
Username
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Password
7213575aceACE@@
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Email to
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Vipkeylogger family
- 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
- Program crash 1 IoCs
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\fc6bf2babfb2487a702dfeb041870fa997ca3223eb54f05e2aabeffbbe14094f.exe"C:\Users\Admin\AppData\Local\Temp\fc6bf2babfb2487a702dfeb041870fa997ca3223eb54f05e2aabeffbbe14094f.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\fc6bf2babfb2487a702dfeb041870fa997ca3223eb54f05e2aabeffbbe14094f.exe"C:\Users\Admin\AppData\Local\Temp\fc6bf2babfb2487a702dfeb041870fa997ca3223eb54f05e2aabeffbbe14094f.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 11003⤵
- Program crash
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1688-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp
memory/1688-1-0x0000000001140000-0x0000000001202000-memory.dmp
memory/1688-2-0x0000000074E00000-0x00000000754EE000-memory.dmp
memory/1688-3-0x0000000000440000-0x000000000045E000-memory.dmp
memory/1688-4-0x0000000074E0E000-0x0000000074E0F000-memory.dmp
memory/1688-5-0x0000000074E00000-0x00000000754EE000-memory.dmp
memory/1688-6-0x0000000000B90000-0x0000000000C1E000-memory.dmp
memory/1688-22-0x0000000074E00000-0x00000000754EE000-memory.dmp
memory/2104-19-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2104-21-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2104-17-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2104-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2104-13-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2104-11-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2104-9-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2104-23-0x0000000074E00000-0x00000000754EE000-memory.dmp
memory/2104-7-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2104-24-0x0000000074E00000-0x00000000754EE000-memory.dmp
memory/2104-25-0x0000000074E00000-0x00000000754EE000-memory.dmp
memory/2104-26-0x0000000074E00000-0x00000000754EE000-memory.dmp