Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-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 behavioral1/files/0x0036000000014b58-6.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\\259396075.bat" look2.exe -
Executes dropped EXE 3 IoCs
pid Process 2192 look2.exe 2668 HD_b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 2532 svchcst.exe -
Loads dropped DLL 6 IoCs
pid Process 3048 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 2192 look2.exe 2704 svchost.exe 3048 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 2704 svchost.exe 2532 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\259396075.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)\Adobe\Reader 9.0\Reader\AcroRd32.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 1 IoCs
pid Process 3048 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3048 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 3048 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3048 wrote to memory of 2192 3048 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 28 PID 3048 wrote to memory of 2192 3048 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 28 PID 3048 wrote to memory of 2192 3048 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 28 PID 3048 wrote to memory of 2192 3048 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 28 PID 3048 wrote to memory of 2668 3048 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 31 PID 3048 wrote to memory of 2668 3048 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 31 PID 3048 wrote to memory of 2668 3048 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 31 PID 3048 wrote to memory of 2668 3048 b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe 31 PID 2704 wrote to memory of 2532 2704 svchost.exe 32 PID 2704 wrote to memory of 2532 2704 svchost.exe 32 PID 2704 wrote to memory of 2532 2704 svchost.exe 32 PID 2704 wrote to memory of 2532 2704 svchost.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe"C:\Users\Admin\AppData\Local\Temp\b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3048 -
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:2192
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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:2668
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "svchcst"1⤵PID:356
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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:2704 -
C:\Windows\SysWOW64\svchcst.exeC:\Windows\system32\svchcst.exe "c:\windows\system32\259396075.bat",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2532
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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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Filesize
337KB
MD52f3b6f16e33e28ad75f3fdaef2567807
SHA185e907340faf1edfc9210db85a04abd43d21b741
SHA25686492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857
SHA512db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4
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\Users\Admin\AppData\Local\Temp\HD_b39d636788c0f2d335b476ea29d4af304d94b83ef591c45c77e7f15b32d2db3c.exe
Filesize3.1MB
MD5fb083acd60fe5c3156dc25442be815e3
SHA161df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8
SHA256f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794
SHA5127147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6
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Filesize
51KB
MD533dedc0ae8ee505d1757eaa79e29a4b7
SHA12d0a75a3a76da43a52a66ae28a444cacb44eb2cd
SHA256c86afd8e00fd0c7632fa533f61f5dd3931a30203810a6de654e876da249c59d1
SHA512e2dce26a1d5577b6e3a78e56444e3e68732888a4d749ee02a24c4c8e950a9321c3db78c24fea00a044e2c9018e69092f1ddb690f1399a7b188bc10a6fd68dea4
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d