Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
17/03/2024, 03:10
General
- Target cfc5b229b80e065257c0b4b1f5a65f41.dll
- Size 2.2MB
- Sample240317-dpb9zada99
- SHA256 8e1725dece9fa35874db19a669ebd44822c46b34f8d4aef2283fa049a8f58446
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
- Modifies registry class 3 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 11 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of UnmapMainImage 1 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\cfc5b229b80e065257c0b4b1f5a65f41.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\mmc.exeC:\Windows\system32\mmc.exe1⤵
-
C:\Users\Admin\AppData\Local\zaUE\mmc.exeC:\Users\Admin\AppData\Local\zaUE\mmc.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\rdpclip.exeC:\Windows\system32\rdpclip.exe1⤵
-
C:\Users\Admin\AppData\Local\rs7Rgh\rdpclip.exeC:\Users\Admin\AppData\Local\rs7Rgh\rdpclip.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe1⤵
-
C:\Users\Admin\AppData\Local\rrDZN55E\wermgr.exeC:\Users\Admin\AppData\Local\rrDZN55E\wermgr.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
wer.dll
wer.dll
wermgr.exe
wermgr.exe
dwmapi.dll
dwmapi.dll
rdpclip.exe
rdpclip.exe
UxTheme.dll
UxTheme.dll
mmc.exe
mmc.exe
Jnsvybh.lnk
dwmapi.dll
UxTheme.dll
mmc.exe
wer.dll
memory/220-104-0x0000000140000000-0x0000000140234000-memory.dmp
memory/220-112-0x0000000140000000-0x0000000140234000-memory.dmp
memory/220-106-0x000002132B600000-0x000002132B607000-memory.dmp
memory/220-105-0x0000000140000000-0x0000000140234000-memory.dmp
memory/764-78-0x0000000140000000-0x0000000140233000-memory.dmp
memory/764-74-0x0000000140000000-0x0000000140233000-memory.dmp
memory/764-75-0x0000000000BF0000-0x0000000000BF7000-memory.dmp
memory/1464-93-0x0000000140000000-0x0000000140233000-memory.dmp
memory/1464-88-0x0000024C8B060000-0x0000024C8B067000-memory.dmp
memory/3464-21-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-27-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-30-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-33-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-34-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-29-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-36-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-35-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-37-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-38-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-39-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-40-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-43-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-42-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-41-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-44-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-45-0x0000000000F50000-0x0000000000F57000-memory.dmp
memory/3464-52-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-53-0x00007FFA6BA20000-0x00007FFA6BA30000-memory.dmp
memory/3464-62-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-64-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-32-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-28-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-31-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-26-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-25-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-24-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-23-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-22-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-6-0x00007FFA6AAAA000-0x00007FFA6AAAB000-memory.dmp
memory/3464-19-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-20-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-18-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-17-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-16-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-15-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-13-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-14-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-12-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-11-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-10-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-8-0x0000000140000000-0x0000000140232000-memory.dmp
memory/3464-5-0x0000000003210000-0x0000000003211000-memory.dmp
memory/4448-9-0x0000000140000000-0x0000000140232000-memory.dmp
memory/4448-1-0x0000000140000000-0x0000000140232000-memory.dmp
memory/4448-2-0x00000170ABF00000-0x00000170ABF07000-memory.dmp
memory/4448-0-0x0000000140000000-0x0000000140232000-memory.dmp