Overview
overview
8Static
static
3cd3d49788f...60.exe
windows7-x64
3cd3d49788f...60.exe
windows10-2004-x64
3$PLUGINSDI...am.dll
windows7-x64
3$PLUGINSDI...am.dll
windows10-2004-x64
3$PLUGINSDI...nt.dll
windows7-x64
3$PLUGINSDI...nt.dll
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows7-x64
1$PLUGINSDI...ns.dll
windows10-2004-x64
1$PLUGINSDI...LL.dll
windows7-x64
1$PLUGINSDI...LL.dll
windows10-2004-x64
1$PLUGINSDI...xp.dll
windows7-x64
8$PLUGINSDI...xp.dll
windows10-2004-x64
8Analysis
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max time kernel
134s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
16/03/2024, 05:33
Static task
static1
Behavioral task
behavioral1
Sample
cd3d49788f6ee0a391393dce58824060.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
cd3d49788f6ee0a391393dce58824060.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/DLLWaitForKillProgram.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/DLLWaitForKillProgram.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/DLLWebCount.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/DLLWebCount.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/IEFunctions.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/IEFunctions.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/resetExp.dll
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/resetExp.dll
Resource
win10v2004-20240226-en
General
-
Target
$PLUGINSDIR/resetExp.dll
-
Size
88KB
-
MD5
59f2ed4d0afbd916fa45586008a66db5
-
SHA1
19eec3d465b55893007dc3094904e3b95a6e564d
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SHA256
09932a341dc73c05c69f6c7fbe22e13961c6b35871a39dfe41d0666b2f52e21b
-
SHA512
33b1d75e2891fd2e5d9789c0f0536b68d019b3f7ecd5626d8d63fc54f61b904ef87dd4d3d5a286943cdedf3f1e5fb6896911ddb848b460bb195ad65d2e1df4d3
-
SSDEEP
1536:9qwJ5B4RcM4ciXoQROER6c4I0LfAb76IEPJJ51V5WWJzDkkJe9:15CgciXoG5Ac4I0LfAb76IExJDTjzDkh
Malware Config
Signatures
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Modifies Installed Components in the registry 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1196 rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2504 explorer.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 2504 explorer.exe Token: SeShutdownPrivilege 2504 explorer.exe Token: SeShutdownPrivilege 2504 explorer.exe Token: SeShutdownPrivilege 2504 explorer.exe Token: SeShutdownPrivilege 2504 explorer.exe Token: SeShutdownPrivilege 2504 explorer.exe Token: SeShutdownPrivilege 2504 explorer.exe Token: SeShutdownPrivilege 2504 explorer.exe Token: SeShutdownPrivilege 2504 explorer.exe Token: SeShutdownPrivilege 2504 explorer.exe Token: SeShutdownPrivilege 2504 explorer.exe Token: SeShutdownPrivilege 2504 explorer.exe -
Suspicious use of FindShellTrayWindow 30 IoCs
pid Process 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe -
Suspicious use of SendNotifyMessage 19 IoCs
pid Process 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe 2504 explorer.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2704 wrote to memory of 1196 2704 rundll32.exe 28 PID 2704 wrote to memory of 1196 2704 rundll32.exe 28 PID 2704 wrote to memory of 1196 2704 rundll32.exe 28 PID 2704 wrote to memory of 1196 2704 rundll32.exe 28 PID 2704 wrote to memory of 1196 2704 rundll32.exe 28 PID 2704 wrote to memory of 1196 2704 rundll32.exe 28 PID 2704 wrote to memory of 1196 2704 rundll32.exe 28 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\resetExp.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\resetExp.dll,#12⤵
- Suspicious behavior: EnumeratesProcesses
PID:1196
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2504