Analysis
- max time kernel
150s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
07/10/2022, 19:41
General
- Target d9cbb8b59cb294437a95d632bd67bd95.exe
- Size 268KB
- Sample221007-yd39jadce9
- SHA256 dcdd0cd8d4a274600c01db970c804976b8d56911111250786be99d8aa7dd094c
Malware Config
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detect Amadey credential stealer module 3 IoCs
- Detects Smokeloader packer 1 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Blocklisted process makes network request 2 IoCs
- Downloads MZ/PE file
- Executes dropped EXE 6 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.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 3 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- 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 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 19 IoCs
- Suspicious use of AdjustPrivilegeToken 30 IoCs
- Suspicious use of WriteProcessMemory 54 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d9cbb8b59cb294437a95d632bd67bd95.exe"C:\Users\Admin\AppData\Local\Temp\d9cbb8b59cb294437a95d632bd67bd95.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\F9F5.exeC:\Users\Admin\AppData\Local\Temp\F9F5.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\FDDE.exeC:\Users\Admin\AppData\Local\Temp\FDDE.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\1138.exeC:\Users\Admin\AppData\Local\Temp\1138.exe1⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe"C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN wfyoot.exe /TR "C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe" /F3⤵
- Creates scheduled task(s)
-
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\70b90d83e65db7\cred64.dll, Main3⤵
- Loads dropped DLL
-
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\70b90d83e65db7\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- outlook_win_path
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4452 -s 11242⤵
- Program crash
-
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4452 -ip 44521⤵
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exeC:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe1⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 3122⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4804 -ip 48041⤵
-
C:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exeC:\Users\Admin\AppData\Local\Temp\0fd408e638\wfyoot.exe1⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4856 -s 3162⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4856 -ip 48561⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
wfyoot.exe
wfyoot.exe
wfyoot.exe
wfyoot.exe
1138.exe
1138.exe
F9F5.exe
F9F5.exe
FDDE.exe
FDDE.exe
cred64.dll
cred64.dll
cred64.dll
memory/412-188-0x0000000000A40000-0x0000000000A45000-memory.dmp
memory/412-171-0x0000000000A30000-0x0000000000A39000-memory.dmp
memory/412-170-0x0000000000A40000-0x0000000000A45000-memory.dmp
memory/860-132-0x000000000075D000-0x000000000076E000-memory.dmp
memory/860-135-0x0000000000400000-0x0000000000448000-memory.dmp
memory/860-134-0x0000000000400000-0x0000000000448000-memory.dmp
memory/860-133-0x00000000006A0000-0x00000000006A9000-memory.dmp
memory/1560-161-0x0000000000FD0000-0x0000000000FD6000-memory.dmp
memory/1560-184-0x0000000000FD0000-0x0000000000FD6000-memory.dmp
memory/1560-162-0x0000000000FC0000-0x0000000000FCC000-memory.dmp
memory/1932-165-0x0000000000A60000-0x0000000000A82000-memory.dmp
memory/1932-166-0x0000000000A30000-0x0000000000A57000-memory.dmp
memory/1932-186-0x0000000000A60000-0x0000000000A82000-memory.dmp
memory/2056-187-0x00000000007DC000-0x00000000007F8000-memory.dmp
memory/2056-167-0x00000000007DC000-0x00000000007F8000-memory.dmp
memory/2056-168-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2604-192-0x0000000000520000-0x0000000000527000-memory.dmp
memory/2604-177-0x0000000000510000-0x000000000051D000-memory.dmp
memory/2604-176-0x0000000000520000-0x0000000000527000-memory.dmp
memory/3160-179-0x0000000000E50000-0x0000000000E58000-memory.dmp
memory/3160-180-0x0000000000E40000-0x0000000000E4B000-memory.dmp
memory/3160-193-0x0000000000E50000-0x0000000000E58000-memory.dmp
memory/3288-150-0x00000000003E0000-0x00000000003EF000-memory.dmp
memory/3288-182-0x00000000003F0000-0x00000000003F9000-memory.dmp
memory/3288-149-0x00000000003F0000-0x00000000003F9000-memory.dmp
memory/3740-173-0x0000000000A40000-0x0000000000A46000-memory.dmp
memory/3740-174-0x0000000000A30000-0x0000000000A3B000-memory.dmp
memory/3740-189-0x0000000000A40000-0x0000000000A46000-memory.dmp
memory/4188-159-0x00000000012F0000-0x00000000012F9000-memory.dmp
memory/4188-158-0x0000000001300000-0x0000000001305000-memory.dmp
memory/4188-183-0x0000000001300000-0x0000000001305000-memory.dmp
memory/4296-181-0x0000000001050000-0x0000000001057000-memory.dmp
memory/4296-147-0x0000000001040000-0x000000000104B000-memory.dmp
memory/4296-146-0x0000000001050000-0x0000000001057000-memory.dmp
memory/4452-156-0x00000000006B0000-0x00000000006E7000-memory.dmp
memory/4452-155-0x000000000075D000-0x000000000077A000-memory.dmp
memory/4452-157-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4804-191-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4804-190-0x0000000000480000-0x000000000049C000-memory.dmp
memory/4856-200-0x00000000004A0000-0x00000000004BC000-memory.dmp
memory/4856-201-0x0000000000400000-0x0000000000453000-memory.dmp