Overview
overview
6Static
static
3processlas...64.exe
windows7-x64
4processlas...64.exe
windows10-2004-x64
4$PLUGINSDIR/INetC.dll
windows7-x64
3$PLUGINSDIR/INetC.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3CPUEater.exe
windows7-x64
1CPUEater.exe
windows10-2004-x64
1Insights.exe
windows7-x64
1Insights.exe
windows10-2004-x64
1InstallHelper.exe
windows7-x64
1InstallHelper.exe
windows10-2004-x64
1LogViewer.exe
windows7-x64
1LogViewer.exe
windows10-2004-x64
1ProcessGovernor.exe
windows7-x64
1ProcessGovernor.exe
windows10-2004-x64
1ProcessLasso.exe
windows7-x64
1ProcessLasso.exe
windows10-2004-x64
1ProcessLas...er.exe
windows7-x64
3ProcessLas...er.exe
windows10-2004-x64
5QuickUpgrade.exe
windows7-x64
6QuickUpgrade.exe
windows10-2004-x64
6ThreadRacer.exe
windows7-x64
1ThreadRacer.exe
windows10-2004-x64
1TweakScheduler.exe
windows7-x64
1TweakScheduler.exe
windows10-2004-x64
1bitsumsess...nt.exe
windows7-x64
1bitsumsess...nt.exe
windows10-2004-x64
1pl-update.cmd
windows7-x64
1pl-update.cmd
windows10-2004-x64
1Analysis
-
max time kernel
141s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10/04/2024, 16:29
Static task
static1
Behavioral task
behavioral1
Sample
processlassosetup64.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
processlassosetup64.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/INetC.dll
Resource
win7-20240319-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/INetC.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
CPUEater.exe
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
CPUEater.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
Insights.exe
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
Insights.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
InstallHelper.exe
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
InstallHelper.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
LogViewer.exe
Resource
win7-20240215-en
Behavioral task
behavioral16
Sample
LogViewer.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
ProcessGovernor.exe
Resource
win7-20231129-en
Behavioral task
behavioral18
Sample
ProcessGovernor.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral19
Sample
ProcessLasso.exe
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
ProcessLasso.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral21
Sample
ProcessLassoLauncher.exe
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
ProcessLassoLauncher.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral23
Sample
QuickUpgrade.exe
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
QuickUpgrade.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral25
Sample
ThreadRacer.exe
Resource
win7-20240319-en
Behavioral task
behavioral26
Sample
ThreadRacer.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral27
Sample
TweakScheduler.exe
Resource
win7-20231129-en
Behavioral task
behavioral28
Sample
TweakScheduler.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral29
Sample
bitsumsessionagent.exe
Resource
win7-20240221-en
Behavioral task
behavioral30
Sample
bitsumsessionagent.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral31
Sample
pl-update.cmd
Resource
win7-20240221-en
Behavioral task
behavioral32
Sample
pl-update.cmd
Resource
win10v2004-20240226-en
General
-
Target
pl-update.cmd
-
Size
40B
-
MD5
cd60ccd708d428df44ca1d454ad0d68e
-
SHA1
83e3fb9ef19c7d3faabc0b391f96803652fda425
-
SHA256
ab965ed0402b4c474fe6c988afee9957c5494c687745114fc80d1fb70fb071bb
-
SHA512
b400530473683de0f7cba3f206b38ba1a0a4d3156a06168c3db0391eb33be1cb6fa65e736c746067aac394d538fc35de8764c30978734bcf4e84392b3294c10c
Malware Config
Signatures
-
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 ProcessLasso.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ProcessLasso.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeAssignPrimaryTokenPrivilege 3796 ProcessLasso.exe Token: SeDebugPrivilege 3796 ProcessLasso.exe Token: SeChangeNotifyPrivilege 3796 ProcessLasso.exe Token: SeIncBasePriorityPrivilege 3796 ProcessLasso.exe Token: SeIncreaseQuotaPrivilege 3796 ProcessLasso.exe Token: SeCreateGlobalPrivilege 3796 ProcessLasso.exe Token: SeProfSingleProcessPrivilege 3796 ProcessLasso.exe Token: SeBackupPrivilege 3796 ProcessLasso.exe Token: SeRestorePrivilege 3796 ProcessLasso.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4408 wrote to memory of 3796 4408 cmd.exe 91 PID 4408 wrote to memory of 3796 4408 cmd.exe 91
Processes
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\pl-update.cmd"1⤵
- Suspicious use of WriteProcessMemory
PID:4408 -
C:\Users\Admin\AppData\Local\Temp\ProcessLasso.exeprocesslasso.exe /updatecheck2⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:3796
-
-
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=4048 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:81⤵PID:748