Analysis
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max time kernel
146s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
11-04-2024 03:24
General
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Target
DllEmForm.dll
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Size
983KB
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MD5
a34dafb1e632e35390b81ff0673942d9
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SHA1
83cc173de09df232b5cb1c91ce11de5f5a1bf801
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SHA256
0604017d7e9948b804b678f7a3b3045cb15dba881bac8d2e347e5451579c2f65
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SHA512
50e8734b285d3ae5c4cd93e55bc29d57e208aafc721892e200ab590ae53cbbe5bc58c37beb0b1bd6432ab7cf13efd7c21c9df49e16661121ca6afc8f6be7e677
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SSDEEP
24576:0nPylR468BBvId775btUXf2ysKR3JSHFlvj:0nqj468BBvSXyHWX
Score
6/10
Malware Config
Signatures
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Program crash 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\DllEmForm.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\DllEmForm.dll,#12⤵
- Writes to the Master Boot Record (MBR)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4016 -s 7443⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4016 -ip 40161⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.8MB
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Filesize
300KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
8KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
1024KB
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Filesize
1024KB
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Filesize
1024KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
2.8MB
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Filesize
300KB