Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
26-12-2023 00:26
Static task
static1
Behavioral task
behavioral1
Sample
46526740d19fa498b7d6d4ef11afe788.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
46526740d19fa498b7d6d4ef11afe788.exe
Resource
win10v2004-20231215-en
General
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Target
46526740d19fa498b7d6d4ef11afe788.exe
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Size
66KB
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MD5
46526740d19fa498b7d6d4ef11afe788
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SHA1
5027f892e0bf1c1b8217c2f89be80856d4d3bcd7
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SHA256
eaf5423bdcbac899c5bf496d017b5e4f1725609c4b78a7a9ceb9278ae4003111
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SHA512
3b079a9cd613868201a164d65db86ae5ba0feac8011c03618726ded1cbb446ee1a4f154ee978daccfdf2ce6b857831816218af279de67241e813bf93efd2d4a4
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SSDEEP
1536:ETBKM7b3vuU4kl161PGREFyxl5WUWoaVFY+/E:gBVneAyGy6DWUSFY+c
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\ControlSet003\Services\hnbjvl\Parameters\ServiceDll = "%SystemRoot%\\System32\\jrcqxa.dll" 46526740d19fa498b7d6d4ef11afe788.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\hnbjvl\Parameters\ServiceDll = "%SystemRoot%\\System32\\jrcqxa.dll" 46526740d19fa498b7d6d4ef11afe788.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\hnbjvl\Parameters\ServiceDll = "%SystemRoot%\\System32\\jrcqxa.dll" 46526740d19fa498b7d6d4ef11afe788.exe -
Deletes itself 1 IoCs
pid Process 3840 svchost.exe -
Loads dropped DLL 2 IoCs
pid Process 4520 46526740d19fa498b7d6d4ef11afe788.exe 3840 svchost.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\0005283c.001 46526740d19fa498b7d6d4ef11afe788.exe File created C:\Windows\SysWOW64\jrcqxa.dll 46526740d19fa498b7d6d4ef11afe788.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\46526740d19fa498b7d6d4ef11afe788.exe"C:\Users\Admin\AppData\Local\Temp\46526740d19fa498b7d6d4ef11afe788.exe"1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in System32 directory
PID:4520
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k hnbjvl1⤵
- Deletes itself
- Loads dropped DLL
PID:3840
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
42KB
MD5d8a639c4c8488aa13dfe07a3438ccdbb
SHA14c34eb04c42097fac00a78f99001ad47c678638c
SHA25647bc6fc6ab1727da742304b1e92e9bcaac06b11264da8efcde19f05c1b547a61
SHA512aa722f82113d309557107d9c647d93981c9133586606c718ccb8d6e2d78a253890780fadff9684cb0ac5b118fad0984f3195fe419cbab0bd0f3219cdecfea408