Analysis
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max time kernel
137s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07/05/2024, 22:33
Static task
static1
Behavioral task
behavioral1
Sample
220458ca80c64320e90136b7242f3c84_JaffaCakes118.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
220458ca80c64320e90136b7242f3c84_JaffaCakes118.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
$_3_.exe
Resource
win7-20240215-en
Behavioral task
behavioral6
Sample
$_3_.exe
Resource
win10v2004-20240419-en
General
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Target
$PLUGINSDIR/StdUtils.dll
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Size
14KB
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MD5
21010df9bc37daffcc0b5ae190381d85
-
SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9
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SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16
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SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e
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SSDEEP
192:OFb8Y8oqy2mqZc9hGBQHRx39oRxmMvURkB/Fs:qb8Y8nKqohGBKxox9vURw/a
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 2364 2544 WerFault.exe 90 -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4752 wrote to memory of 2544 4752 rundll32.exe 90 PID 4752 wrote to memory of 2544 4752 rundll32.exe 90 PID 4752 wrote to memory of 2544 4752 rundll32.exe 90 PID 2544 wrote to memory of 2364 2544 rundll32.exe 96 PID 2544 wrote to memory of 2364 2544 rundll32.exe 96 PID 2544 wrote to memory of 2364 2544 rundll32.exe 96
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4752 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 6123⤵
- Program crash
PID:2364
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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 --no-appcompat-clear --mojo-platform-channel-handle=4092 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:81⤵PID:1216
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2544 -ip 25441⤵PID:1020