Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
10/03/2024, 02:53
General
- Target bd7cb4fbd4ddc0cac6469f5731d50080.dll
- Size 998KB
- Sample240310-ddqcfsaf24
- SHA256 f958289acb16c6babc79ab43e4a3f5918a687632383ac6efd324dd155fbf4ce4
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 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\bd7cb4fbd4ddc0cac6469f5731d50080.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\SppExtComObj.ExeC:\Windows\system32\SppExtComObj.Exe1⤵
-
C:\Users\Admin\AppData\Local\MLxnk\SppExtComObj.ExeC:\Users\Admin\AppData\Local\MLxnk\SppExtComObj.Exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\rdpinput.exeC:\Windows\system32\rdpinput.exe1⤵
-
C:\Users\Admin\AppData\Local\WJy3\rdpinput.exeC:\Users\Admin\AppData\Local\WJy3\rdpinput.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\iexpress.exeC:\Windows\system32\iexpress.exe1⤵
-
C:\Users\Admin\AppData\Local\X20SAm4p\iexpress.exeC:\Users\Admin\AppData\Local\X20SAm4p\iexpress.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
ACTIVEDS.dll
SppExtComObj.Exe
WINSTA.dll
rdpinput.exe
VERSION.dll
iexpress.exe
Mjigr.lnk
memory/1584-52-0x0000000140000000-0x0000000140100000-memory.dmp
memory/1584-49-0x0000025B55CB0000-0x0000025B55CB7000-memory.dmp
memory/1584-46-0x0000000140000000-0x0000000140100000-memory.dmp
memory/2816-39-0x0000000140000000-0x00000001400FF000-memory.dmp
memory/2816-0-0x0000000140000000-0x00000001400FF000-memory.dmp
memory/2816-1-0x000002A07F800000-0x000002A07F807000-memory.dmp
memory/3368-11-0x0000000140000000-0x00000001400FF000-memory.dmp
memory/3368-8-0x0000000140000000-0x00000001400FF000-memory.dmp
memory/3368-26-0x0000000140000000-0x00000001400FF000-memory.dmp
memory/3368-27-0x00007FF902D50000-0x00007FF902D60000-memory.dmp
memory/3368-36-0x0000000140000000-0x00000001400FF000-memory.dmp
memory/3368-17-0x0000000001090000-0x0000000001097000-memory.dmp
memory/3368-14-0x0000000140000000-0x00000001400FF000-memory.dmp
memory/3368-15-0x0000000140000000-0x00000001400FF000-memory.dmp
memory/3368-12-0x0000000140000000-0x00000001400FF000-memory.dmp
memory/3368-13-0x0000000140000000-0x00000001400FF000-memory.dmp
memory/3368-10-0x0000000140000000-0x00000001400FF000-memory.dmp
memory/3368-16-0x0000000140000000-0x00000001400FF000-memory.dmp
memory/3368-9-0x00007FF901A4A000-0x00007FF901A4B000-memory.dmp
memory/3368-4-0x0000000002E80000-0x0000000002E81000-memory.dmp
memory/3368-7-0x0000000140000000-0x00000001400FF000-memory.dmp
memory/3368-6-0x0000000140000000-0x00000001400FF000-memory.dmp
memory/4208-81-0x000001DA84930000-0x000001DA84937000-memory.dmp
memory/4208-86-0x0000000140000000-0x0000000140100000-memory.dmp
memory/4744-69-0x0000000140000000-0x0000000140101000-memory.dmp
memory/4744-64-0x000002C2E5380000-0x000002C2E5387000-memory.dmp
memory/4744-63-0x0000000140000000-0x0000000140101000-memory.dmp