Analysis
- max time kernel
136s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
21/05/2024, 05:07
General
- Target 6220dbc17e6c4579e23a93c103344d04_JaffaCakes118.exe
- Size 1.0MB
- Sample240521-fr5qeaaa87
- SHA256 154c3a1d1e1a4213c0dbd5d4d21f983219626f5ed2eb824f3670394e6555c162
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
myrecords1248
Signatures
- HawkEye
HawkEye is a malware kit that has seen continuous development since at least 2013.
- NirSoft MailPassView 4 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
- Nirsoft 8 IoCs
- Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Uses the VBS compiler for execution 1 TTPs
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 26 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\6220dbc17e6c4579e23a93c103344d04_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6220dbc17e6c4579e23a93c103344d04_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"3⤵
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
holderwb.txt
memory/1036-22-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1036-26-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1036-24-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2280-6-0x000000007471E000-0x000000007471F000-memory.dmp
memory/2280-11-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/2280-0-0x000000007471E000-0x000000007471F000-memory.dmp
memory/2280-7-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/2280-8-0x0000000006940000-0x00000000069DC000-memory.dmp
memory/2280-4-0x0000000005A20000-0x0000000005AB2000-memory.dmp
memory/2280-5-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/2280-3-0x00000000060F0000-0x0000000006694000-memory.dmp
memory/2280-1-0x0000000000EA0000-0x0000000000FA6000-memory.dmp
memory/2280-2-0x00000000058B0000-0x00000000058D8000-memory.dmp
memory/4048-30-0x0000000000400000-0x0000000000458000-memory.dmp
memory/4048-28-0x0000000000400000-0x0000000000458000-memory.dmp
memory/4048-31-0x0000000000400000-0x0000000000458000-memory.dmp
memory/4048-39-0x0000000000400000-0x0000000000458000-memory.dmp
memory/4316-12-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/4316-21-0x0000000008530000-0x0000000008538000-memory.dmp
memory/4316-18-0x0000000008030000-0x0000000008096000-memory.dmp
memory/4316-15-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/4316-14-0x0000000004CD0000-0x0000000004D26000-memory.dmp
memory/4316-13-0x0000000004A60000-0x0000000004A6A000-memory.dmp
memory/4316-9-0x0000000000420000-0x00000000004A4000-memory.dmp
memory/4316-40-0x0000000074710000-0x0000000074EC0000-memory.dmp
memory/4316-41-0x0000000074710000-0x0000000074EC0000-memory.dmp