Analysis
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max time kernel
154s -
max time network
177s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
30/12/2023, 03:08
Static task
static1
Behavioral task
behavioral1
Sample
0c87309c69e759f1406bedad88c97dd7.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
0c87309c69e759f1406bedad88c97dd7.exe
Resource
win10v2004-20231215-en
General
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Target
0c87309c69e759f1406bedad88c97dd7.exe
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Size
62KB
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MD5
0c87309c69e759f1406bedad88c97dd7
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SHA1
73ff926a0cf4c45e759c7f75ca99405d78fd97fc
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SHA256
9370ab4287b5d3820a0f843f47d860bec89791d945c2dcbc417f3d2640ccb761
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SHA512
0a456257eccf0efca7205043d43307d96b56f2a78380ed020b477fbde3ee418a9260f73f8ceb77bfb7efe110b103b64bc775002e1589059d8bffcd1caee08a66
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SSDEEP
1536:SJfGflXdrIKDlCJmdxV/Wrqz7hUJFpKWpD4TlqIx:CErIEemdLIQUpbpsRjx
Malware Config
Signatures
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Sets DLL path for service in the registry 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet002\services\xsfxbj\pARAMETERS\ServiceDll = "%SystemRoot%\\System32\\sjcqfu.dll" 0c87309c69e759f1406bedad88c97dd7.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\xsfxbj\pARAMETERS\ServiceDll = "%SystemRoot%\\System32\\sjcqfu.dll" 0c87309c69e759f1406bedad88c97dd7.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\xsfxbj\pARAMETERS\ServiceDll = "%SystemRoot%\\System32\\sjcqfu.dll" 0c87309c69e759f1406bedad88c97dd7.exe -
Deletes itself 1 IoCs
pid Process 2080 svchost.exe -
Loads dropped DLL 2 IoCs
pid Process 2028 0c87309c69e759f1406bedad88c97dd7.exe 2080 svchost.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\00052d23.001 0c87309c69e759f1406bedad88c97dd7.exe File created C:\Windows\SysWOW64\sjcqfu.dll 0c87309c69e759f1406bedad88c97dd7.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2080 svchost.exe 2080 svchost.exe 2080 svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0c87309c69e759f1406bedad88c97dd7.exe"C:\Users\Admin\AppData\Local\Temp\0c87309c69e759f1406bedad88c97dd7.exe"1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in System32 directory
PID:2028
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k xsfxbj1⤵
- Deletes itself
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:2080
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
89KB
MD523d724a3eb050428573b2ba704f12534
SHA160a8a3062e98bfb9ec326765a06202f26e4fd3e3
SHA256bd9a639838dfe01ba06d42e52889986ebc439e7ee8be797683e916df1cb8ee1e
SHA512b0f65a0734d8c77ad484f9d914d62c9f69eddb2d0a0fb87cfd523e52a8f3e7894c21d64fbade0ab84e623d1cd588f8248b3277cbab1ea4ae21cbd3a52b73d6f1