Analysis
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max time kernel
98s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
26-10-2023 02:05
Static task
static1
Behavioral task
behavioral1
Sample
11f44531fb088d31307d87b01e8eabff.zip
Resource
win10v2004-20231020-en
Behavioral task
behavioral2
Sample
11f44531fb088d31307d87b01e8eabff/iroto.dll
Resource
win10v2004-20231023-en
Behavioral task
behavioral3
Sample
11f44531fb088d31307d87b01e8eabff/iroto1.dll
Resource
win10v2004-20231020-en
Behavioral task
behavioral4
Sample
11f44531fb088d31307d87b01e8eabff/research-1646684671.xls
Resource
win10v2004-20231023-en
General
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Target
11f44531fb088d31307d87b01e8eabff/iroto1.dll
-
Size
434KB
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MD5
8e6fbefcbac2a1967941fa692c82c3ca
-
SHA1
242a7803adb19f638ef62077f1b76756f3a13a0d
-
SHA256
e05c717b43f7e204f315eb8c298f9715791385516335acd8f20ec9e26c3e9b0b
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SHA512
bc6dc64fa5bc19f234e3df27f718a50f82f6f086da2cd761d81edda4cf9355b40115279ebc368a0f55cf651405e34988336f9f5c3577ce7a7433971194a7b179
-
SSDEEP
12:e9GSG2CTi/FfILQAu//6lgR0FWdzQ2VCARHUwOLe7EEe:e9GSnCTi9ALsQiQ296LG
Malware Config
Signatures
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1940 2344 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 2920 wrote to memory of 2344 2920 rundll32.exe rundll32.exe PID 2920 wrote to memory of 2344 2920 rundll32.exe rundll32.exe PID 2920 wrote to memory of 2344 2920 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\11f44531fb088d31307d87b01e8eabff\iroto1.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\11f44531fb088d31307d87b01e8eabff\iroto1.dll,#12⤵PID:2344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2344 -s 5443⤵
- Program crash
PID:1940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2344 -ip 23441⤵PID:4972