Analysis
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max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
25-05-2024 18:33
Static task
static1
Behavioral task
behavioral1
Sample
94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe
Resource
win10v2004-20240426-en
General
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Target
94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe
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Size
1.2MB
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MD5
96302b0a3475284cd1db513ab7162c49
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SHA1
ad7f9f9f88460953efab56d09dcf25309dc8a8e7
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SHA256
94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806
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SHA512
dd9d6e07307407e0197cafba03ebb431c1429d14eac90ae21de724524f269abf2ed0887096ab3e88792fe27650ad3379e7b945244a2ebb6ed3bc657f1fa9ec17
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SSDEEP
24576:ZYFbkIsaPiXSVnC7Yp9zkNmZG8RRlncyzXFw:ZYREXSVMDi3jFw
Malware Config
Signatures
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Gh0st RAT payload 1 IoCs
Processes:
resource yara_rule \Windows\SysWOW64\259399086.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\\259399086.bat" look2.exe -
Executes dropped EXE 2 IoCs
Processes:
look2.exesvchcst.exepid process 3032 look2.exe 2560 svchcst.exe -
Loads dropped DLL 5 IoCs
Processes:
94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exelook2.exesvchost.exesvchcst.exepid process 2936 94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe 3032 look2.exe 2984 svchost.exe 2984 svchost.exe 2560 svchcst.exe -
Drops file in System32 directory 4 IoCs
Processes:
look2.exesvchost.exedescription ioc process File created C:\Windows\SysWOW64\259399086.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:
94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exedescription ioc process File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe 94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exepid process 2936 94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe 2936 94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exesvchost.exedescription pid process target process PID 2936 wrote to memory of 3032 2936 94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe look2.exe PID 2936 wrote to memory of 3032 2936 94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe look2.exe PID 2936 wrote to memory of 3032 2936 94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe look2.exe PID 2936 wrote to memory of 3032 2936 94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe look2.exe PID 2984 wrote to memory of 2560 2984 svchost.exe svchcst.exe PID 2984 wrote to memory of 2560 2984 svchost.exe svchcst.exe PID 2984 wrote to memory of 2560 2984 svchost.exe svchcst.exe PID 2984 wrote to memory of 2560 2984 svchost.exe svchcst.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe"C:\Users\Admin\AppData\Local\Temp\94b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2936 -
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:3032
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "svchcst"1⤵PID:2860
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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:2984 -
C:\Windows\SysWOW64\svchcst.exeC:\Windows\system32\svchcst.exe "c:\windows\system32\259399086.bat",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2560
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\HD_X.datFilesize
1.2MB
MD596302b0a3475284cd1db513ab7162c49
SHA1ad7f9f9f88460953efab56d09dcf25309dc8a8e7
SHA25694b91a12bc4369f6d14d80eb55cb02b91ff5ebe771ce42eae56685af3e74c806
SHA512dd9d6e07307407e0197cafba03ebb431c1429d14eac90ae21de724524f269abf2ed0887096ab3e88792fe27650ad3379e7b945244a2ebb6ed3bc657f1fa9ec17
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\Users\Admin\AppData\Local\Temp\look2.exeFilesize
337KB
MD52f3b6f16e33e28ad75f3fdaef2567807
SHA185e907340faf1edfc9210db85a04abd43d21b741
SHA25686492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857
SHA512db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4
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\Windows\SysWOW64\259399086.batFilesize
51KB
MD577250dd73a4cfa95dabb7d30600daaf9
SHA1241d06a94a363798fbf3de4e605d21716bb17180
SHA2567fc83222fd0b1edc7e89a11f4728ac31115e8f3f61737f914e7ac2e1144f97fd
SHA512b8f9e253b01f2c7992b44792857b362f96724312cbe63c30d8cd7767a214dfa8cc12954818dc42ee5d4f506055b5f602900041b4d7309edb70d78cf7ee94e865
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\Windows\SysWOW64\svchcst.exeFilesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d