Analysis
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max time kernel
122s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
21-11-2023 13:08
Static task
static1
Behavioral task
behavioral1
Sample
d98720f9b105f762f19e294ea86d312ff1be1e84f838539e0c563016d41ba7f0.dll
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
d98720f9b105f762f19e294ea86d312ff1be1e84f838539e0c563016d41ba7f0.dll
Resource
win10v2004-20231020-en
General
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Target
d98720f9b105f762f19e294ea86d312ff1be1e84f838539e0c563016d41ba7f0.dll
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Size
1.9MB
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MD5
1d2027b76fcd47f97fe9ea53301ceede
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SHA1
4fd8dd51573d0a66cc9234376eda5b0e1996c998
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SHA256
d98720f9b105f762f19e294ea86d312ff1be1e84f838539e0c563016d41ba7f0
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SHA512
bb8cde5b89fac9fd1ae72d60031073e1a2af9af1454780fbd8875bcfee3b5c460e7b3e501fb601a4c012be6975e661a1e933d80a36210805b5e97baa4197abdb
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SSDEEP
24576:Sm7BRWGdEyTz0ybRG/IpRwHsUPaZ64ZiOB0j+bLeLMf:SmtRJtjpRwMb64d0j+R
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1724-1-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-0-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-2-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-3-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-5-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-7-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-9-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-11-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-13-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-15-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-17-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-19-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-21-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-23-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-25-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-27-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-29-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-31-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-33-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-35-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-37-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-39-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-41-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-43-0x0000000000590000-0x00000000005CE000-memory.dmp upx behavioral1/memory/1724-57-0x0000000000590000-0x00000000005CE000-memory.dmp upx -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\ÅäÖÃÏî.ini rundll32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2648 1724 WerFault.exe 28 -
Suspicious use of SetWindowsHookEx 42 IoCs
pid Process 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe 1724 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2144 wrote to memory of 1724 2144 rundll32.exe 28 PID 2144 wrote to memory of 1724 2144 rundll32.exe 28 PID 2144 wrote to memory of 1724 2144 rundll32.exe 28 PID 2144 wrote to memory of 1724 2144 rundll32.exe 28 PID 2144 wrote to memory of 1724 2144 rundll32.exe 28 PID 2144 wrote to memory of 1724 2144 rundll32.exe 28 PID 2144 wrote to memory of 1724 2144 rundll32.exe 28 PID 1724 wrote to memory of 2648 1724 rundll32.exe 29 PID 1724 wrote to memory of 2648 1724 rundll32.exe 29 PID 1724 wrote to memory of 2648 1724 rundll32.exe 29 PID 1724 wrote to memory of 2648 1724 rundll32.exe 29
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d98720f9b105f762f19e294ea86d312ff1be1e84f838539e0c563016d41ba7f0.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2144 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d98720f9b105f762f19e294ea86d312ff1be1e84f838539e0c563016d41ba7f0.dll,#12⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 3843⤵
- Program crash
PID:2648
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
169B
MD5378ae2a65a7e9f680ac2b08caf5c676b
SHA179fb9baed7680dcfbfe10b3749c8aea6f81881fc
SHA256a17ebf92b2bd1a1d359af01e5d4e91eb3c44b0b9ddbbc844a2e809fc10a67590
SHA5121f4b7ed88e0ae3e932eccd5c07da826f6f3a4c2ac0ad1e6219e5aa62911aa34ac19c1517dbccd09c3a19d75fda45defbe874c7e5f5cbcc18a19de1a6283b7471