Analysis
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max time kernel
93s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-11-2024 22:55
Static task
static1
Behavioral task
behavioral1
Sample
11f44531fb088d31307d87b01e8eabff/iroto.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
11f44531fb088d31307d87b01e8eabff/iroto.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
11f44531fb088d31307d87b01e8eabff/iroto1.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
11f44531fb088d31307d87b01e8eabff/iroto1.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
11f44531fb088d31307d87b01e8eabff/research-1646684671.xls
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
11f44531fb088d31307d87b01e8eabff/research-1646684671.xls
Resource
win10v2004-20241007-en
General
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Target
11f44531fb088d31307d87b01e8eabff/iroto.dll
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Size
434KB
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MD5
e03bde4862d4d93ac2ceed85abf50b18
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SHA1
7d7c288a8cf7d4e5f64d616da699712b82760303
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SHA256
055b9e9af987aec9ba7adb0eef947f39b516a213d663cc52a71c7f0af146a946
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SHA512
12e8ef09745a562567dc3d18e3be72dac09120e7756d47d23a605a82499b1ed8ff471578f0f85a35685de13c93f1ad0834a89dce5d136527f731b5e170a520f1
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SSDEEP
12:e9GSG2CTi/FfILQAu//6lgR0FWdzQ2VCARHUwOLe7EEe:e9GSnCTi9ALsQiQ296LG
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 1388 3700 WerFault.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4248 wrote to memory of 3700 4248 rundll32.exe 82 PID 4248 wrote to memory of 3700 4248 rundll32.exe 82 PID 4248 wrote to memory of 3700 4248 rundll32.exe 82
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\11f44531fb088d31307d87b01e8eabff\iroto.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4248 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\11f44531fb088d31307d87b01e8eabff\iroto.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:3700 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 5483⤵
- Program crash
PID:1388
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3700 -ip 37001⤵PID:4052