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Analysis
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max time kernel
122s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
06/07/2024, 20:58
Behavioral task
behavioral1
Sample
dos.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
dos.exe
Resource
win10v2004-20240704-en
Behavioral task
behavioral3
Sample
libeay32.dll
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
libeay32.dll
Resource
win10v2004-20240704-en
Behavioral task
behavioral5
Sample
ssleay32.dll
Resource
win7-20240704-en
Behavioral task
behavioral6
Sample
ssleay32.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
ucmyqb.dll
Resource
win7-20240705-en
Behavioral task
behavioral8
Sample
ucmyqb.dll
Resource
win10v2004-20240704-en
General
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Target
ucmyqb.dll
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Size
12.8MB
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MD5
7a484f2b62bebd2b0ce404e36f768af5
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SHA1
cbf166ce093f64ba2270b1adede89868ad15ad97
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SHA256
89ed84f69d94e9674b45e924350ecc8ab953e7b1ebfcdf9438d24598e52197f2
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SHA512
c40a0bcbc5b5001df39f083b253daf0ce65229a2f04c5e927d2f50c3ec5d6874f8f6ee1100a0a621fb49ed5a3938daa4e1d8db377ebd89a430956b9cf0744b14
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SSDEEP
196608:frZ46+UTsubfbYzMTpsT+tkfW7qXObEYoMC1o6MiqhmWVAMn/x:frZ4gLbfbNpsCtkfC3K71+i+A
Malware Config
Signatures
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2368 rundll32.exe 2368 rundll32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2204 2368 WerFault.exe 30 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2368 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2180 wrote to memory of 2368 2180 rundll32.exe 30 PID 2180 wrote to memory of 2368 2180 rundll32.exe 30 PID 2180 wrote to memory of 2368 2180 rundll32.exe 30 PID 2180 wrote to memory of 2368 2180 rundll32.exe 30 PID 2180 wrote to memory of 2368 2180 rundll32.exe 30 PID 2180 wrote to memory of 2368 2180 rundll32.exe 30 PID 2180 wrote to memory of 2368 2180 rundll32.exe 30 PID 2368 wrote to memory of 2204 2368 rundll32.exe 31 PID 2368 wrote to memory of 2204 2368 rundll32.exe 31 PID 2368 wrote to memory of 2204 2368 rundll32.exe 31 PID 2368 wrote to memory of 2204 2368 rundll32.exe 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ucmyqb.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ucmyqb.dll,#12⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 2883⤵
- Program crash
PID:2204
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