Analysis
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max time kernel
86s -
max time network
201s -
platform
windows11-21h2_x64 -
resource
win11-20231215-en -
resource tags
arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system -
submitted
30-01-2024 18:01
Static task
static1
Behavioral task
behavioral1
Sample
a24362e4ac45ec3e35f16b91d593b35976b1cb795a81d19e88ac5969d0cfb68f.exe
Resource
win11-20231215-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win11-20231222-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win11-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20231215-en
General
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Target
$PLUGINSDIR/nsDialogs.dll
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Size
9KB
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MD5
6c3f8c94d0727894d706940a8a980543
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SHA1
0d1bcad901be377f38d579aafc0c41c0ef8dcefd
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SHA256
56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2
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SHA512
2094f0e4bb7c806a5ff27f83a1d572a5512d979eefda3345baff27d2c89e828f68466d08c3ca250da11b01fc0407a21743037c25e94fbe688566dd7deaebd355
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SSDEEP
96:o0svUu3Uy+sytcS8176b+XR8pCHFcMcxSgB5PKtAtgt+Nt+rnt3DVEB3YcNqkzfS:o0svWyNO81b8pCHFcM0PuAgkOyuIFc
Malware Config
Signatures
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2752 3128 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 3340 wrote to memory of 3128 3340 rundll32.exe rundll32.exe PID 3340 wrote to memory of 3128 3340 rundll32.exe rundll32.exe PID 3340 wrote to memory of 3128 3340 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3340 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#12⤵PID:3128
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3128 -s 5523⤵
- Program crash
PID:2752
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3128 -ip 31281⤵PID:1516