Analysis
- max time kernel
97s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
13/01/2024, 08:44
General
- Target 587d3473e7e68f7a825dd6df305297a7.dll
- Size 1.7MB
- Sample240113-knmsmsfcbn
- SHA256 4be53090f377d914d1fe430c040ccf2dcc7307dd5cd1191bdbbdef6a1f507ef6
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.
- Drops startup file 3 IoCs
- 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 AdjustPrivilegeToken 8 IoCs
- Suspicious use of FindShellTrayWindow 2 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\587d3473e7e68f7a825dd6df305297a7.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\cmstp.exeC:\Windows\system32\cmstp.exe1⤵
-
C:\Windows\system32\dpapimig.exeC:\Windows\system32\dpapimig.exe1⤵
-
C:\Users\Admin\AppData\Local\9DNYff\cmstp.exeC:\Users\Admin\AppData\Local\9DNYff\cmstp.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Users\Admin\AppData\Local\xBe\dpapimig.exeC:\Users\Admin\AppData\Local\xBe\dpapimig.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\LicensingUI.exeC:\Windows\system32\LicensingUI.exe1⤵
-
C:\Users\Admin\AppData\Local\9EAB\LicensingUI.exeC:\Users\Admin\AppData\Local\9EAB\LicensingUI.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
VERSION.dll
VERSION.dll
cmstp.exe
DUI70.dll
DUI70.dll
LicensingUI.exe
LicensingUI.exe
DUI70.dll
DUI70.dll
dpapimig.exe
dpapimig.exe
Wdush.lnk
DUI70.dll
VERSION.dll
DUI70.dll
memory/1900-1-0x000001CFF9C60000-0x000001CFF9C67000-memory.dmp
memory/1900-8-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/1900-0-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/2844-81-0x00000183A0AE0000-0x00000183A0AE7000-memory.dmp
memory/2844-85-0x0000000140000000-0x00000001401F2000-memory.dmp
memory/2844-79-0x0000000140000000-0x00000001401F2000-memory.dmp
memory/3352-33-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-40-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-19-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-16-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-15-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-14-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-10-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-9-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-7-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-41-0x00007FF84B7E0000-0x00007FF84B7F0000-memory.dmp
memory/3352-52-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-5-0x00007FF84B18A000-0x00007FF84B18B000-memory.dmp
memory/3352-4-0x0000000008B30000-0x0000000008B31000-memory.dmp
memory/3352-11-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-21-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-22-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-24-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-25-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-50-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-20-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-28-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-30-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-31-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-32-0x0000000008240000-0x0000000008247000-memory.dmp
memory/3352-29-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-27-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-26-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-23-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-12-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-13-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-18-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3352-17-0x0000000140000000-0x00000001401AC000-memory.dmp
memory/3380-63-0x0000026854FC0000-0x0000026854FC7000-memory.dmp
memory/3380-68-0x0000000140000000-0x00000001401AD000-memory.dmp
memory/3380-62-0x0000000140000000-0x00000001401AD000-memory.dmp
memory/4480-96-0x00000228B2B70000-0x00000228B2B77000-memory.dmp
memory/4480-102-0x0000000140000000-0x00000001401F2000-memory.dmp