Analysis
- max time kernel
116s - max time network
122s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
16/11/2022, 23:47
General
- Target file.exe
- Size 279KB
- Sample221116-3st2madd25
- SHA256 fc0834a7a3f6a28747d64fdd122d2fbb94fb5b7c460ba6f143b8737affe2f3a0
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 4 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 3 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\50c1695437\rovwer.exe"C:\Users\Admin\AppData\Local\Temp\50c1695437\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\50c1695437\rovwer.exe" /F3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\1000041001\linda5.exe"C:\Users\Admin\AppData\Local\Temp\1000041001\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\0DA6R.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\0DA6R.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\0DA6R.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\0DA6R.CPl",7⤵
- Loads dropped DLL
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\bf045808586a24\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 4600 -s 12842⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4600 -ip 46001⤵
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeC:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3972 -s 4162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3972 -ip 39721⤵
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C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exeC:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 4202⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3048 -ip 30481⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
0DA6R.CPl
0da6R.cpl
0da6R.cpl
0da6R.cpl
linda5.exe
linda5.exe
rovwer.exe
rovwer.exe
rovwer.exe
rovwer.exe
cred64.dll
cred64.dll
memory/2640-167-0x0000000003040000-0x0000000003181000-memory.dmp
memory/2640-164-0x0000000002710000-0x00000000027CC000-memory.dmp
memory/2640-163-0x0000000003190000-0x0000000003261000-memory.dmp
memory/2640-162-0x0000000003040000-0x0000000003181000-memory.dmp
memory/2640-161-0x0000000002D90000-0x0000000002EFF000-memory.dmp
memory/3048-177-0x0000000000ADA000-0x0000000000AF9000-memory.dmp
memory/3048-178-0x0000000000400000-0x0000000000848000-memory.dmp
memory/3972-174-0x0000000000A1A000-0x0000000000A39000-memory.dmp
memory/3972-175-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4112-152-0x0000000002C30000-0x0000000002D9F000-memory.dmp
memory/4112-155-0x0000000003030000-0x00000000030EC000-memory.dmp
memory/4112-154-0x00000000028C0000-0x0000000002991000-memory.dmp
memory/4112-153-0x0000000002EE0000-0x0000000003021000-memory.dmp
memory/4112-151-0x0000000002630000-0x00000000028BC000-memory.dmp
memory/4112-168-0x0000000002EE0000-0x0000000003021000-memory.dmp
memory/4600-132-0x0000000000907000-0x0000000000926000-memory.dmp
memory/4600-138-0x0000000000907000-0x0000000000926000-memory.dmp
memory/4600-139-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4600-137-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4600-133-0x00000000008B0000-0x00000000008EE000-memory.dmp
memory/4880-169-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4880-142-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4880-141-0x00000000008F6000-0x0000000000915000-memory.dmp