Analysis
- max time kernel
147s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
08/11/2022, 18:45
General
- Target file.exe
- Size 223KB
- Sample221108-xd26sscbe2
- SHA256 5718ec5933d04ffb5ee90a25f8ebf22925e046620f3b59bf500f05ccce30853e
Malware Config
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detect Amadey credential stealer module 2 IoCs
- Blocklisted process makes network request 1 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 5 IoCs
- Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 4 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.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
- Adds Run key to start application 2 TTPs 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.
- Modifies registry class 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of WriteProcessMemory 23 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\e94c2b28f2\rovwer.exe"C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.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 rovwer.exe /TR "C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe" /F3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\1000047001\linda5.exe"C:\Users\Admin\AppData\Local\Temp\1000047001\linda5.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\control.exe"C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Temp\XPSB.CPL",4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\XPSB.CPL",5⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\RunDll32.exeC:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\XPSB.CPL",6⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 "C:\Users\Admin\AppData\Local\Temp\XPSB.CPL",7⤵
- Loads dropped DLL
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\80b59841e5c623\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 5016 -s 12242⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 5016 -ip 50161⤵
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C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exeC:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4328 -s 4202⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4328 -ip 43281⤵
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C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exeC:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 4202⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1876 -ip 18761⤵
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C:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exeC:\Users\Admin\AppData\Local\Temp\e94c2b28f2\rovwer.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 4202⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5012 -ip 50121⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
linda5.exe
linda5.exe
XPSB.CPL
Xpsb.cpl
Xpsb.cpl
Xpsb.cpl
rovwer.exe
rovwer.exe
rovwer.exe
rovwer.exe
rovwer.exe
cred64.dll
cred64.dll
memory/952-168-0x00000000032B0000-0x00000000033BB000-memory.dmp
memory/952-162-0x00000000032B0000-0x00000000033BB000-memory.dmp
memory/952-161-0x0000000003090000-0x000000000319D000-memory.dmp
memory/952-163-0x00000000033C0000-0x000000000348B000-memory.dmp
memory/952-165-0x0000000003490000-0x0000000003548000-memory.dmp
memory/1460-164-0x0000000000400000-0x0000000000593000-memory.dmp
memory/1460-141-0x00000000008FD000-0x000000000091C000-memory.dmp
memory/1460-142-0x0000000000400000-0x0000000000593000-memory.dmp
memory/1876-178-0x0000000000400000-0x0000000000593000-memory.dmp
memory/1876-177-0x00000000006C0000-0x00000000006DF000-memory.dmp
memory/3772-154-0x0000000000AF0000-0x0000000000B7D000-memory.dmp
memory/3772-151-0x0000000000CD0000-0x0000000000EA0000-memory.dmp
memory/3772-155-0x0000000000EA0000-0x0000000000F58000-memory.dmp
memory/3772-153-0x0000000002BD0000-0x0000000002CDB000-memory.dmp
memory/3772-169-0x0000000002BD0000-0x0000000002CDB000-memory.dmp
memory/3772-152-0x00000000029B0000-0x0000000002ABD000-memory.dmp
memory/4328-171-0x00000000007E0000-0x00000000007FF000-memory.dmp
memory/4328-172-0x0000000000400000-0x0000000000593000-memory.dmp
memory/5012-180-0x0000000000650000-0x000000000066F000-memory.dmp
memory/5012-181-0x0000000000400000-0x0000000000593000-memory.dmp
memory/5016-132-0x000000000082D000-0x000000000084C000-memory.dmp
memory/5016-139-0x00000000022F0000-0x000000000232E000-memory.dmp
memory/5016-138-0x000000000082D000-0x000000000084C000-memory.dmp
memory/5016-137-0x0000000000400000-0x0000000000593000-memory.dmp
memory/5016-133-0x00000000022F0000-0x000000000232E000-memory.dmp