Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
03-06-2024 23:30
Static task
static1
Behavioral task
behavioral1
Sample
b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe
Resource
win10v2004-20240508-en
General
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Target
b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe
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Size
4.6MB
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MD5
dc602dad641b63c879fa23eeb1b3c75b
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SHA1
708f8da38b03da71aa33c13f49d4c6732bbdf577
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SHA256
b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c
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SHA512
6210993d0edfd57e9e1ccb3bfe234fdefcd986940ee2f5484b1e87e19ecac6c40444097d197600b7ede5b68fe3a4e581cbd7a46e692d43b4a5110e2014881962
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SSDEEP
49152:rYREXSVMDi3babXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PL:E2SVMD8mbXsPN5kiQaZ56
Malware Config
Signatures
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Gh0st RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x000700000002343b-5.dat family_gh0strat -
Sets DLL path for service in the registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\svchcst\Parameters\ServiceDll = "C:\\Windows\\system32\\240604109.bat" look2.exe -
Executes dropped EXE 3 IoCs
pid Process 4376 look2.exe 4064 HD_b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 1544 svchcst.exe -
Loads dropped DLL 3 IoCs
pid Process 4376 look2.exe 1056 svchost.exe 1544 svchcst.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\svchcst.exe svchost.exe File created C:\Windows\SysWOW64\240604109.bat look2.exe File opened for modification C:\Windows\SysWOW64\ini.ini look2.exe File created C:\Windows\SysWOW64\svchcst.exe svchost.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2788 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 2788 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2788 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 2788 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2788 wrote to memory of 4376 2788 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 83 PID 2788 wrote to memory of 4376 2788 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 83 PID 2788 wrote to memory of 4376 2788 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 83 PID 2788 wrote to memory of 4064 2788 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 86 PID 2788 wrote to memory of 4064 2788 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 86 PID 2788 wrote to memory of 4064 2788 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 86 PID 1056 wrote to memory of 1544 1056 svchost.exe 97 PID 1056 wrote to memory of 1544 1056 svchost.exe 97 PID 1056 wrote to memory of 1544 1056 svchost.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe"C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe"1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2788 -
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:4376
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C:\Users\Admin\AppData\Local\Temp\HD_b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exeC:\Users\Admin\AppData\Local\Temp\HD_b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe2⤵
- Executes dropped EXE
PID:4064
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "svchcst"1⤵PID:3224
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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:1056 -
C:\Windows\SysWOW64\svchcst.exeC:\Windows\system32\svchcst.exe "c:\windows\system32\240604109.bat",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1544
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.5MB
MD5e9221c36b250f8ecd2d247a8f740477e
SHA182033ca2584af234eda65a6abceb3643f1653944
SHA256390104384031fed8d9985485f8dfdd49ba822cfd164b4e65ebb039eb472a91cc
SHA51288b7240b1c199fac44ec260190b7b945b2951b0db31b84302f3c1c474c729b55e2d2856935fa72a215445f631b179aeeb9adff95282df0a8931801d77d56e96c
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C:\Users\Admin\AppData\Local\Temp\HD_b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe
Filesize3.1MB
MD5fb083acd60fe5c3156dc25442be815e3
SHA161df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8
SHA256f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794
SHA5127147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6
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Filesize
337KB
MD52f3b6f16e33e28ad75f3fdaef2567807
SHA185e907340faf1edfc9210db85a04abd43d21b741
SHA25686492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857
SHA512db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4
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Filesize
51KB
MD533dedc0ae8ee505d1757eaa79e29a4b7
SHA12d0a75a3a76da43a52a66ae28a444cacb44eb2cd
SHA256c86afd8e00fd0c7632fa533f61f5dd3931a30203810a6de654e876da249c59d1
SHA512e2dce26a1d5577b6e3a78e56444e3e68732888a4d749ee02a24c4c8e950a9321c3db78c24fea00a044e2c9018e69092f1ddb690f1399a7b188bc10a6fd68dea4
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641