Analysis
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max time kernel
74s -
max time network
72s -
platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
13/02/2023, 18:26
Static task
static1
Behavioral task
behavioral1
Sample
lsass.dll
Resource
win10-20220901-en
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
lsass.dll
Resource
win7-20221111-en
2 signatures
150 seconds
Behavioral task
behavioral3
Sample
lsass.dll
Resource
win10v2004-20221111-en
2 signatures
150 seconds
General
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Target
lsass.dll
-
Size
12KB
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MD5
cff85c549d536f651d4fb8387f1976f2
-
SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
-
SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
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SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
-
SSDEEP
192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr
Score
3/10
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4316 652 WerFault.exe 66 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 564 wrote to memory of 652 564 rundll32.exe 66 PID 564 wrote to memory of 652 564 rundll32.exe 66 PID 564 wrote to memory of 652 564 rundll32.exe 66
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\lsass.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:564 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\lsass.dll,#12⤵PID:652
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 652 -s 6363⤵
- Program crash
PID:4316
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-
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4308