Analysis
-
max time kernel
141s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
29-06-2024 07:02
Static task
static1
Behavioral task
behavioral1
Sample
ALGOI-la tabla de cálculos.xlsl.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ALGOI-la tabla de cálculos.xlsl.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240611-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240508-en
General
-
Target
$PLUGINSDIR/System.dll
-
Size
11KB
-
MD5
a436db0c473a087eb61ff5c53c34ba27
-
SHA1
65ea67e424e75f5065132b539c8b2eda88aa0506
-
SHA256
75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49
-
SHA512
908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d
-
SSDEEP
192:aVL7iZJX76BisO7+UZEw+Rl59pV8ghsVJ39dx8T:d7NsOpZsfLMJ39e
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 3456 4948 WerFault.exe 90 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4868 wrote to memory of 4948 4868 rundll32.exe 90 PID 4868 wrote to memory of 4948 4868 rundll32.exe 90 PID 4868 wrote to memory of 4948 4868 rundll32.exe 90
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵PID:4948
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 6123⤵
- Program crash
PID:3456
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4948 -ip 49481⤵PID:4816
-
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=4068 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:81⤵PID:2204