Analysis
- max time kernel
146s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
06/12/2022, 09:26
General
- Target file.exe
- Size 358KB
- Sample221206-ld69zagh4t
- SHA256 ff367726c451ef7599cee67a51badaf6c96019165d55b2b5fbf4598502335efd
Malware Config
Extracted
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amadey
-
3.50
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77.73.133.72/hfk3vK9/index.php
Extracted
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redline
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@2023@
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193.106.191.138:32796
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auth_value
ca057e5baadfd0774a34a6a949cd5e69
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detect Amadey credential stealer module 4 IoCs
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- Blocklisted process makes network request 1 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 4 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 2 IoCs
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- Uses the VBS compiler for execution 1 TTPs
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 4 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe" /F3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\1000014001\softx64.exe"C:\Users\Admin\AppData\Local\Temp\1000014001\softx64.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4716 -s 3244⤵
- Program crash
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-
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 12602⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3516 -ip 35161⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4716 -ip 47161⤵
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C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exeC:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4968 -s 4162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4968 -ip 49681⤵
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C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exeC:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4784 -s 4162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4784 -ip 47841⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
softx64.exe
softx64.exe
gntuud.exe
gntuud.exe
gntuud.exe
gntuud.exe
cred64.dll
cred64.dll
cred64.dll
memory/3516-138-0x00000000004A3000-0x00000000004C2000-memory.dmp
memory/3516-132-0x00000000004A3000-0x00000000004C2000-memory.dmp
memory/3516-139-0x0000000000400000-0x000000000045E000-memory.dmp
memory/3516-134-0x0000000000400000-0x000000000045E000-memory.dmp
memory/3516-133-0x00000000001C0000-0x00000000001FE000-memory.dmp
memory/4156-147-0x0000000000400000-0x0000000000432000-memory.dmp
memory/4156-159-0x0000000008D20000-0x00000000092C4000-memory.dmp
memory/4156-153-0x0000000007B00000-0x0000000007C0A000-memory.dmp
memory/4156-154-0x00000000079F0000-0x0000000007A02000-memory.dmp
memory/4156-155-0x0000000007A50000-0x0000000007A8C000-memory.dmp
memory/4156-156-0x00000000085C0000-0x0000000008626000-memory.dmp
memory/4156-157-0x00000000086D0000-0x0000000008762000-memory.dmp
memory/4156-152-0x0000000006170000-0x0000000006788000-memory.dmp
memory/4156-160-0x0000000008940000-0x0000000008B02000-memory.dmp
memory/4156-161-0x0000000009800000-0x0000000009D2C000-memory.dmp
memory/4640-169-0x0000000000780000-0x00000000007A4000-memory.dmp
memory/4784-171-0x0000000000524000-0x0000000000543000-memory.dmp
memory/4784-172-0x0000000000400000-0x000000000045E000-memory.dmp
memory/4836-141-0x0000000000583000-0x00000000005A2000-memory.dmp
memory/4836-158-0x0000000000400000-0x000000000045E000-memory.dmp
memory/4836-142-0x0000000000400000-0x000000000045E000-memory.dmp
memory/4968-164-0x0000000000400000-0x000000000045E000-memory.dmp
memory/4968-163-0x00000000004B4000-0x00000000004D3000-memory.dmp