Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
04/02/2024, 13:35
General
- Target 8f47d7f17ed8067737ffb9629714cc36.dll
- Size 1.4MB
- Sample240204-qvphpsdbgk
- SHA256 2668cbf657cdea444368b7de1f2cdeeff1e31d311170dce5f4844be4ae50d2c8
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 3 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\8f47d7f17ed8067737ffb9629714cc36.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\MoUsoCoreWorker.exeC:\Windows\system32\MoUsoCoreWorker.exe1⤵
-
C:\Users\Admin\AppData\Local\beZ2Lhu6\MoUsoCoreWorker.exeC:\Users\Admin\AppData\Local\beZ2Lhu6\MoUsoCoreWorker.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\InfDefaultInstall.exeC:\Windows\system32\InfDefaultInstall.exe1⤵
-
C:\Windows\system32\rdpclip.exeC:\Windows\system32\rdpclip.exe1⤵
-
C:\Users\Admin\AppData\Local\M2JpKf\rdpclip.exeC:\Users\Admin\AppData\Local\M2JpKf\rdpclip.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Users\Admin\AppData\Local\CJrYrkb8D\InfDefaultInstall.exeC:\Users\Admin\AppData\Local\CJrYrkb8D\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
InfDefaultInstall.exe
newdev.dll
newdev.dll
WINSTA.dll
WINSTA.dll
rdpclip.exe
rdpclip.exe
MoUsoCoreWorker.exe
MoUsoCoreWorker.exe
XmlLite.dll
XmlLite.dll
Iydemppuyghrhln.lnk
XmlLite.dll
newdev.dll
WINSTA.dll
memory/624-13-0x0000000140000000-0x0000000140169000-memory.dmp
memory/624-1-0x0000000140000000-0x0000000140169000-memory.dmp
memory/624-0-0x0000000140000000-0x0000000140169000-memory.dmp
memory/624-2-0x000001E5B53B0000-0x000001E5B53B7000-memory.dmp
memory/1872-86-0x0000017D49980000-0x0000017D49987000-memory.dmp
memory/1872-90-0x0000000140000000-0x000000014016A000-memory.dmp
memory/1872-84-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3420-31-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-54-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-44-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-33-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-30-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-29-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-28-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-27-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-25-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-24-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-23-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-22-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-18-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-17-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-16-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-15-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-56-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-10-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-34-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-5-0x0000000001F70000-0x0000000001F71000-memory.dmp
memory/3420-35-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-45-0x00007FFC88980000-0x00007FFC88990000-memory.dmp
memory/3420-7-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-36-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-39-0x0000000000420000-0x0000000000427000-memory.dmp
memory/3420-32-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-26-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-21-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-20-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-8-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-9-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-11-0x00007FFC877DA000-0x00007FFC877DB000-memory.dmp
memory/3420-12-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-19-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3420-14-0x0000000140000000-0x0000000140169000-memory.dmp
memory/3508-68-0x00000252E05B0000-0x00000252E05B7000-memory.dmp
memory/3508-66-0x0000000140000000-0x000000014016A000-memory.dmp
memory/3508-72-0x0000000140000000-0x000000014016A000-memory.dmp
memory/4104-103-0x00000287C64B0000-0x00000287C64B7000-memory.dmp
memory/4104-108-0x0000000140000000-0x000000014016B000-memory.dmp
memory/4104-101-0x0000000140000000-0x000000014016B000-memory.dmp
memory/4104-102-0x0000000140000000-0x000000014016B000-memory.dmp