Analysis
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max time kernel
117s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
18-08-2024 07:38
Static task
static1
Behavioral task
behavioral1
Sample
PO_229933.xls.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
PO_229933.xls.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
vcruntime140.dll
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
vcruntime140.dll
Resource
win10v2004-20240802-en
General
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Target
vcruntime140.dll
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Size
78KB
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MD5
6707ad709efc9c1d969bfa285c2466f8
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SHA1
c3cb546227193a49a779b9f6180a32216c98c75b
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SHA256
4a8389de14116b867c744898958d5a2472b8d6ce6ae4d7cac41cfe9432c5a64e
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SHA512
97080f61e06e3a59de7abdcf056e9afdf36d4f4e7b241e6ff50d11b6bb631aed438ee11d71dc3de2d20699356b323d8d7bf06e9e85134cd2724663a524b01503
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SSDEEP
1536:lF2886xv555et/MCsjw0BuRK3jteo0ecbAw086dhv:lF28V55At/zqw+IquecbAw082
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 3032 1844 WerFault.exe 30 -
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 11 IoCs
description pid Process procid_target PID 2344 wrote to memory of 1844 2344 rundll32.exe 30 PID 2344 wrote to memory of 1844 2344 rundll32.exe 30 PID 2344 wrote to memory of 1844 2344 rundll32.exe 30 PID 2344 wrote to memory of 1844 2344 rundll32.exe 30 PID 2344 wrote to memory of 1844 2344 rundll32.exe 30 PID 2344 wrote to memory of 1844 2344 rundll32.exe 30 PID 2344 wrote to memory of 1844 2344 rundll32.exe 30 PID 1844 wrote to memory of 3032 1844 rundll32.exe 31 PID 1844 wrote to memory of 3032 1844 rundll32.exe 31 PID 1844 wrote to memory of 3032 1844 rundll32.exe 31 PID 1844 wrote to memory of 3032 1844 rundll32.exe 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1844 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 2203⤵
- Program crash
PID:3032
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