Analysis
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max time kernel
92s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 13:56
Static task
static1
Behavioral task
behavioral1
Sample
f88c3ae3c180a4cda806e9775db25a49d197de3c511dd986ade5b2421b3b77ad.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
f88c3ae3c180a4cda806e9775db25a49d197de3c511dd986ade5b2421b3b77ad.exe
Resource
win10v2004-20220812-en
General
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Target
f88c3ae3c180a4cda806e9775db25a49d197de3c511dd986ade5b2421b3b77ad.exe
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Size
49KB
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MD5
127ebfdbfb8273a02eab034501afe723
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SHA1
8e9915e522abb736d78510d041b9957d1e7c672d
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SHA256
f88c3ae3c180a4cda806e9775db25a49d197de3c511dd986ade5b2421b3b77ad
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SHA512
785c08be8b82abd905865395cf13842aaaa1f1a0a3228969058b4e00e6005cdd126705dfd2eec831142eaaeb4717b73d66e92d63f234da7e1d8a344a5fafa6f2
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SSDEEP
768:BS2oDQTIN8sPN7BhZYSwFnDkHtx5zgtgoEbZj4wL+tueUuJGdJ5827GI4TFXE:42ocSPj+IyON1L+tueS7GIaFXE
Malware Config
Signatures
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Gh0st RAT payload 4 IoCs
resource yara_rule behavioral2/files/0x0006000000022f56-133.dat family_gh0strat behavioral2/memory/1436-135-0x0000000000400000-0x0000000000435000-memory.dmp family_gh0strat behavioral2/files/0x0006000000022f57-134.dat family_gh0strat behavioral2/files/0x0006000000022f57-136.dat family_gh0strat -
Drops file in Drivers directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Drivers\beep.sys f88c3ae3c180a4cda806e9775db25a49d197de3c511dd986ade5b2421b3b77ad.exe File opened for modification C:\Windows\SysWOW64\Drivers\beep.sys svchost.exe -
Sets DLL path for service in the registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibilityex.dll" f88c3ae3c180a4cda806e9775db25a49d197de3c511dd986ade5b2421b3b77ad.exe -
Loads dropped DLL 2 IoCs
pid Process 1436 f88c3ae3c180a4cda806e9775db25a49d197de3c511dd986ade5b2421b3b77ad.exe 2424 svchost.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\FastUserSwitchingCompatibilityex.dll f88c3ae3c180a4cda806e9775db25a49d197de3c511dd986ade5b2421b3b77ad.exe -
Suspicious behavior: LoadsDriver 2 IoCs
pid Process 644 Process not Found 644 Process not Found
Processes
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C:\Users\Admin\AppData\Local\Temp\f88c3ae3c180a4cda806e9775db25a49d197de3c511dd986ade5b2421b3b77ad.exe"C:\Users\Admin\AppData\Local\Temp\f88c3ae3c180a4cda806e9775db25a49d197de3c511dd986ade5b2421b3b77ad.exe"1⤵
- Drops file in Drivers directory
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in System32 directory
PID:1436
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs -s FastUserSwitchingCompatibility1⤵
- Drops file in Drivers directory
- Loads dropped DLL
PID:2424
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
91KB
MD5ba082d221a2aea344d6cd11bb4d70571
SHA120f3623625c6ca7398a439977beded163739d662
SHA25606f7aabc826499e2b0a3f7399a27228186def8a275051b735f2d1d612c378e06
SHA51202a6e9aa85c99329b40d63e6ebd961cdd7cb4791b4703bdcbfc0ed0b16217efc7a76c87b2904d1e39ff51c1f12e9ef1fee91408d145bb5535d242ffd0bcbf7c4
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Filesize
91KB
MD5ba082d221a2aea344d6cd11bb4d70571
SHA120f3623625c6ca7398a439977beded163739d662
SHA25606f7aabc826499e2b0a3f7399a27228186def8a275051b735f2d1d612c378e06
SHA51202a6e9aa85c99329b40d63e6ebd961cdd7cb4791b4703bdcbfc0ed0b16217efc7a76c87b2904d1e39ff51c1f12e9ef1fee91408d145bb5535d242ffd0bcbf7c4
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Filesize
102B
MD54045836f81491a381fa534aabe8a1e98
SHA1951e47397f6a142ba3585e61fffbec692e771b6c
SHA256e0a13e95d0a72e48c7210d4ea6b3973c7804e470349345a5bc0aad84428531ea
SHA512d12707ea07029a85071e65e3a4052ec7e32b22720f8f32776cb29af4d871b2208b6c84eb72714344095044ab97be9c073db65a75af5ee17025309e4fcde3bcc7
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Filesize
91KB
MD5ba082d221a2aea344d6cd11bb4d70571
SHA120f3623625c6ca7398a439977beded163739d662
SHA25606f7aabc826499e2b0a3f7399a27228186def8a275051b735f2d1d612c378e06
SHA51202a6e9aa85c99329b40d63e6ebd961cdd7cb4791b4703bdcbfc0ed0b16217efc7a76c87b2904d1e39ff51c1f12e9ef1fee91408d145bb5535d242ffd0bcbf7c4