Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
24/01/2023, 22:22
General
- Target file.exe
- Size 201KB
- Sample230124-1979gaea53
- SHA256 23345f908b3895111ae284cfc4858887da2fe4640ed698c8fd9204c1384786fb
Malware Config
Extracted
-
raccoon
-
e79a2ad5e7d3c239b7fbf8a6b92ae32f
-
http://193.149.189.174/
-
http://193.149.185.159/
Signatures
- Detects Smokeloader packer 2 IoCs
- Raccoon
Raccoon is an infostealer written in C++ and first seen in 2019.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 7 IoCs
- VMProtect packed file 6 IoCs
Detects executables packed with VMProtect commercial packer.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 2 IoCs
- Checks SCSI registry key(s) 3 TTPs 6 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\B1B1.exeC:\Users\Admin\AppData\Local\Temp\B1B1.exe1⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn "svcupdater" /tr "C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe" /st 00:00 /du 9999:59 /sc once /ri 1 /f2⤵
- Creates scheduled task(s)
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 10282⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\B4B0.exeC:\Users\Admin\AppData\Local\Temp\B4B0.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\B5E9.exeC:\Users\Admin\AppData\Local\Temp\B5E9.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 3442⤵
- Program crash
-
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C:\Users\Admin\AppData\Local\Temp\BACC.exeC:\Users\Admin\AppData\Local\Temp\BACC.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\C145.exeC:\Users\Admin\AppData\Local\Temp\C145.exe1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2272 -ip 22721⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3412 -ip 34121⤵
-
C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exeC:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\8C81.exeC:\Users\Admin\AppData\Local\Temp\8C81.exe1⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
8C81.exe
8C81.exe
B1B1.exe
B1B1.exe
B4B0.exe
B4B0.exe
B5E9.exe
B5E9.exe
BACC.exe
BACC.exe
C145.exe
C145.exe
svcupdater.exe
svcupdater.exe
memory/220-161-0x0000000000400000-0x0000000002B96000-memory.dmp
memory/220-167-0x0000000000400000-0x0000000002B96000-memory.dmp
memory/220-160-0x0000000002D10000-0x0000000002D19000-memory.dmp
memory/220-159-0x0000000002BDD000-0x0000000002BF0000-memory.dmp
memory/2216-182-0x0000000000400000-0x0000000000E65000-memory.dmp
memory/2216-179-0x0000000000400000-0x0000000000E65000-memory.dmp
memory/2216-181-0x0000000000400000-0x0000000000E65000-memory.dmp
memory/2272-162-0x0000000002BED000-0x0000000002BFF000-memory.dmp
memory/2272-163-0x0000000000400000-0x0000000002B96000-memory.dmp
memory/3412-165-0x0000000002080000-0x00000000020C7000-memory.dmp
memory/3412-166-0x0000000000400000-0x000000000046D000-memory.dmp
memory/3412-164-0x00000000004ED000-0x0000000000517000-memory.dmp
memory/3412-169-0x00000000004ED000-0x0000000000517000-memory.dmp
memory/3412-170-0x0000000000400000-0x000000000046D000-memory.dmp
memory/3432-155-0x0000000140000000-0x0000000140623000-memory.dmp
memory/3708-148-0x0000000140000000-0x0000000140623000-memory.dmp
memory/4492-173-0x00000000007CC000-0x00000000007F6000-memory.dmp
memory/4492-175-0x00000000007CC000-0x00000000007F6000-memory.dmp
memory/4492-174-0x0000000000400000-0x000000000046D000-memory.dmp
memory/4800-135-0x0000000000400000-0x0000000002B9D000-memory.dmp
memory/4800-134-0x0000000000400000-0x0000000002B9D000-memory.dmp
memory/4800-133-0x0000000002CE0000-0x0000000002CE9000-memory.dmp
memory/4800-132-0x0000000002E7D000-0x0000000002E90000-memory.dmp