Analysis
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max time kernel
119s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
04-11-2022 23:26
Static task
static1
Behavioral task
behavioral1
Sample
freebl3.dll
Resource
win10v2004-20220901-en
Behavioral task
behavioral2
Sample
mozglue.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
msvcp140.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral4
Sample
nss3.dll
Resource
win10v2004-20220901-en
Behavioral task
behavioral5
Sample
softokn3.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral6
Sample
sqlite3.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral7
Sample
vcruntime140.dll
Resource
win10v2004-20220812-en
General
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Target
freebl3.dll
-
Size
669KB
-
MD5
550686c0ee48c386dfcb40199bd076ac
-
SHA1
ee5134da4d3efcb466081fb6197be5e12a5b22ab
-
SHA256
edd043f2005dbd5902fc421eabb9472a7266950c5cbaca34e2d590b17d12f5fa
-
SHA512
0b7f47af883b99f9fbdc08020446b58f2f3fa55292fd9bc78fc967dd35bdd8bd549802722de37668cc89ede61b20359190efbfdf026ae2bdc854f4740a54649e
-
SSDEEP
12288:4gPbPpxMofhPNN0+RXBrp3M5pzRN4l2SQ+PEu9tUs/abAQb51FW/IzkOfWPO9UN7:4gPbPp9NNP0BgInfW2WMC4M+hW
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 884 1176 WerFault.exe 18 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4344 wrote to memory of 888 4344 rundll32.exe 82 PID 4344 wrote to memory of 888 4344 rundll32.exe 82 PID 4344 wrote to memory of 888 4344 rundll32.exe 82
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\freebl3.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4344 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\freebl3.dll,#12⤵PID:888
-
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 456 -p 1176 -ip 11761⤵PID:3780
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1176 -s 8521⤵
- Program crash
PID:884