Analysis
- max time kernel
159s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
14/02/2024, 11:29
General
- Target 9b8e75c00bba64509c46fd0604449cfd.dll
- Size 2.3MB
- Sample240214-nlxfvaaa69
- SHA256 94f359f89174b60550de8c2f944e17ed7e95185a34e212b64068c3327dab2197
Malware Config
Signatures
- Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
- Dridex Shellcode 1 IoCs
Detects Dridex Payload shellcode injected in Explorer process.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 4 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 4 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
- 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
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9b8e75c00bba64509c46fd0604449cfd.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\SystemSettingsAdminFlows.exeC:\Windows\system32\SystemSettingsAdminFlows.exe1⤵
-
C:\Users\Admin\AppData\Local\yrM\SystemSettingsAdminFlows.exeC:\Users\Admin\AppData\Local\yrM\SystemSettingsAdminFlows.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\cmstp.exeC:\Windows\system32\cmstp.exe1⤵
-
C:\Users\Admin\AppData\Local\kOmn06\cmstp.exeC:\Users\Admin\AppData\Local\kOmn06\cmstp.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\InfDefaultInstall.exeC:\Windows\system32\InfDefaultInstall.exe1⤵
-
C:\Users\Admin\AppData\Local\r50dEw\InfDefaultInstall.exeC:\Users\Admin\AppData\Local\r50dEw\InfDefaultInstall.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
VERSION.dll
cmstp.exe
InfDefaultInstall.exe
newdev.dll
SystemSettingsAdminFlows.exe
newdev.dll
Dyngdiaoitf.lnk
memory/536-109-0x00000182ED950000-0x00000182ED957000-memory.dmp
memory/548-79-0x0000000140000000-0x0000000140251000-memory.dmp
memory/548-74-0x000002359F7D0000-0x000002359F7D7000-memory.dmp
memory/548-73-0x0000000140000000-0x0000000140251000-memory.dmp
memory/3504-37-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-43-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-19-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-21-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-20-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-23-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-24-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-22-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-25-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-27-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-28-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-26-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-29-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-30-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-31-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-32-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-33-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-35-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-34-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-4-0x00000000021C0000-0x00000000021C1000-memory.dmp
memory/3504-36-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-38-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-40-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-41-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-42-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-18-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-39-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-45-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-44-0x0000000002180000-0x0000000002187000-memory.dmp
memory/3504-52-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-53-0x00007FFD7AF40000-0x00007FFD7AF50000-memory.dmp
memory/3504-62-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-64-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-17-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-16-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-15-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-14-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-13-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-12-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-11-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-6-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-8-0x00007FFD7ABCA000-0x00007FFD7ABCB000-memory.dmp
memory/3504-9-0x0000000140000000-0x0000000140250000-memory.dmp
memory/3504-10-0x0000000140000000-0x0000000140250000-memory.dmp
memory/4076-97-0x0000000140000000-0x0000000140251000-memory.dmp
memory/4076-91-0x000001DF5F790000-0x000001DF5F797000-memory.dmp
memory/4444-0-0x0000000140000000-0x0000000140250000-memory.dmp
memory/4444-1-0x000002B296F90000-0x000002B296F97000-memory.dmp
memory/4444-7-0x0000000140000000-0x0000000140250000-memory.dmp