Analysis
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max time kernel
134s -
max time network
104s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
26-05-2024 01:26
Behavioral task
behavioral1
Sample
a591674c093d591394b0564ac4fa10827896ee2b8f596b086fa356c79f6bd2f4.dll
Resource
win7-20240419-en
3 signatures
150 seconds
General
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Target
a591674c093d591394b0564ac4fa10827896ee2b8f596b086fa356c79f6bd2f4.dll
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Size
38KB
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MD5
9867465d51eccfebb3f2d7533a5e6dae
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SHA1
a7948715795354d5bd4db8bee0bb1b43b5bb35eb
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SHA256
a591674c093d591394b0564ac4fa10827896ee2b8f596b086fa356c79f6bd2f4
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SHA512
c3dc526a5f46a9db7e41edf1735382ffd08f08f235adf934241c625b84457563c0babac084a7ffe71a7248b2d40b08943d6288d95e461d3147e9900a6082af4b
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SSDEEP
768:Bs+/gMsLIn/wIj2labk+1IsceGSnkmJ0Yblr583CJrVV79IXU76m2sIRVV:WD8w22laSR0V+3CJrVIXczJI
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File created C:\Windows\SysWOW64\dmlconf.dat rundll32.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2776 1472 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 2084 wrote to memory of 1472 2084 rundll32.exe rundll32.exe PID 2084 wrote to memory of 1472 2084 rundll32.exe rundll32.exe PID 2084 wrote to memory of 1472 2084 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a591674c093d591394b0564ac4fa10827896ee2b8f596b086fa356c79f6bd2f4.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a591674c093d591394b0564ac4fa10827896ee2b8f596b086fa356c79f6bd2f4.dll,#12⤵
- Drops file in System32 directory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 6163⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1472 -ip 14721⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/1472-0-0x0000000010000000-0x000000001000D000-memory.dmpFilesize
52KB