Analysis
-
max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
26-05-2024 05:26
Static task
static1
Behavioral task
behavioral1
Sample
3f5d5449ade4726c3431baa52cf36dbf4b7101f112eac429f3b436499edb52ab.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
3f5d5449ade4726c3431baa52cf36dbf4b7101f112eac429f3b436499edb52ab.exe
Resource
win10v2004-20240508-en
General
-
Target
3f5d5449ade4726c3431baa52cf36dbf4b7101f112eac429f3b436499edb52ab.exe
-
Size
1.5MB
-
MD5
bd28eabf5a15f7b2eeba9c21231dbc7e
-
SHA1
9f1f44f7b27462041af0bfc0dbce9abc1ed3c191
-
SHA256
3f5d5449ade4726c3431baa52cf36dbf4b7101f112eac429f3b436499edb52ab
-
SHA512
4f300720a62e2b575f0d7d1ab78730409f3b6c429029876c57dd7ada9e92f0291c40dc1450f6da17549f3673c15ad9650030d25de67a4f4a5420f7e31e1c10b8
-
SSDEEP
24576:IYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnsyzl+So:IYREXSVMDi3cD
Malware Config
Signatures
-
Gh0st RAT payload 1 IoCs
Processes:
resource yara_rule C:\Windows\SysWOW64\240599656.bat family_gh0strat -
Sets DLL path for service in the registry 2 TTPs 1 IoCs
Processes:
look2.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\240599656.bat" look2.exe -
Executes dropped EXE 2 IoCs
Processes:
look2.exesvchcst.exepid process 1016 look2.exe 4800 svchcst.exe -
Loads dropped DLL 3 IoCs
Processes:
look2.exesvchost.exesvchcst.exepid process 1016 look2.exe 3476 svchost.exe 4800 svchcst.exe -
Drops file in System32 directory 4 IoCs
Processes:
look2.exesvchost.exedescription ioc process File created C:\Windows\SysWOW64\240599656.bat look2.exe File opened for modification C:\Windows\SysWOW64\ini.ini look2.exe File created C:\Windows\SysWOW64\svchcst.exe svchost.exe File opened for modification C:\Windows\SysWOW64\svchcst.exe svchost.exe -
Drops file in Program Files directory 1 IoCs
Processes:
3f5d5449ade4726c3431baa52cf36dbf4b7101f112eac429f3b436499edb52ab.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe 3f5d5449ade4726c3431baa52cf36dbf4b7101f112eac429f3b436499edb52ab.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 5060 1016 WerFault.exe look2.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
3f5d5449ade4726c3431baa52cf36dbf4b7101f112eac429f3b436499edb52ab.exepid process 4852 3f5d5449ade4726c3431baa52cf36dbf4b7101f112eac429f3b436499edb52ab.exe 4852 3f5d5449ade4726c3431baa52cf36dbf4b7101f112eac429f3b436499edb52ab.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
3f5d5449ade4726c3431baa52cf36dbf4b7101f112eac429f3b436499edb52ab.exesvchost.exedescription pid process target process PID 4852 wrote to memory of 1016 4852 3f5d5449ade4726c3431baa52cf36dbf4b7101f112eac429f3b436499edb52ab.exe look2.exe PID 4852 wrote to memory of 1016 4852 3f5d5449ade4726c3431baa52cf36dbf4b7101f112eac429f3b436499edb52ab.exe look2.exe PID 4852 wrote to memory of 1016 4852 3f5d5449ade4726c3431baa52cf36dbf4b7101f112eac429f3b436499edb52ab.exe look2.exe PID 3476 wrote to memory of 4800 3476 svchost.exe svchcst.exe PID 3476 wrote to memory of 4800 3476 svchost.exe svchcst.exe PID 3476 wrote to memory of 4800 3476 svchost.exe svchcst.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\3f5d5449ade4726c3431baa52cf36dbf4b7101f112eac429f3b436499edb52ab.exe"C:\Users\Admin\AppData\Local\Temp\3f5d5449ade4726c3431baa52cf36dbf4b7101f112eac429f3b436499edb52ab.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4852 -
C:\Users\Admin\AppData\Local\Temp\look2.exeC:\Users\Admin\AppData\Local\Temp\\look2.exe2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:1016 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1016 -s 5643⤵
- Program crash
PID:5060
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "svchcst"1⤵PID:3496
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "svchcst"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3476 -
C:\Windows\SysWOW64\svchcst.exeC:\Windows\system32\svchcst.exe "c:\windows\system32\240599656.bat",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4800
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1016 -ip 10161⤵PID:3644
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\HD_X.datFilesize
1.5MB
MD5bd28eabf5a15f7b2eeba9c21231dbc7e
SHA19f1f44f7b27462041af0bfc0dbce9abc1ed3c191
SHA2563f5d5449ade4726c3431baa52cf36dbf4b7101f112eac429f3b436499edb52ab
SHA5124f300720a62e2b575f0d7d1ab78730409f3b6c429029876c57dd7ada9e92f0291c40dc1450f6da17549f3673c15ad9650030d25de67a4f4a5420f7e31e1c10b8
-
C:\Users\Admin\AppData\Local\Temp\look2.exeFilesize
337KB
MD52f3b6f16e33e28ad75f3fdaef2567807
SHA185e907340faf1edfc9210db85a04abd43d21b741
SHA25686492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857
SHA512db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4
-
C:\Windows\SysWOW64\240599656.batFilesize
51KB
MD5526bdc6adc10eed335b785da59fa01f9
SHA155e47e47ebdd2475e65b65ddc433361112ac77fb
SHA256574363624bc1e74723ce3a390df8f601c21874baea2cf5f5829e3b23849a188f
SHA51200524029c2c97ca2793c5cb256cf4108f48b3a4f5239c8f8660c3122e557ff6c22e4fcf412dba738880fefe47a937ddbb1a8710255a47cdde7b71af3833c5d26
-
C:\Windows\SysWOW64\svchcst.exeFilesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641