Analysis
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max time kernel
125s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
06-07-2024 06:48
Static task
static1
Behavioral task
behavioral1
Sample
279d3420ceff4dba428894cb3fe1c99f_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
279d3420ceff4dba428894cb3fe1c99f_JaffaCakes118.exe
Resource
win10v2004-20240704-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240704-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/downloadmr.exe
Resource
win7-20240705-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/downloadmr.exe
Resource
win10v2004-20240704-en
General
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Target
$PLUGINSDIR/System.dll
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Size
21KB
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MD5
5ebc73650256e9c8ddbcda231db829a1
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SHA1
988d4535e18754ab2a6248abae96c5697d7dbcd5
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SHA256
1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493
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SHA512
b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270
-
SSDEEP
384:BdnVZA7eabl9fgEdsPhh20WwrHIbeocXX2LJQxMhqyWCqhcZPFv:7ucksPzDWAorcAQxMAyW4
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 4628 4636 WerFault.exe 89 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4924 wrote to memory of 4636 4924 rundll32.exe 89 PID 4924 wrote to memory of 4636 4924 rundll32.exe 89 PID 4924 wrote to memory of 4636 4924 rundll32.exe 89
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4924 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵PID:4636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4636 -s 6123⤵
- Program crash
PID:4628
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4636 -ip 46361⤵PID:4604
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4104,i,5019894817651309870,579021928995875068,262144 --variations-seed-version --mojo-platform-channel-handle=3612 /prefetch:81⤵PID:3428