Analysis
- max time kernel
150s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
04/03/2024, 07:06
General
- Target b1839cd055eeed87e67593afb4f50956.dll
- Size 1.7MB
- Sample240304-hxcb6ade87
- SHA256 39e39d96b46a00dd7489675728b8cfcd5b0ae8ea6099ccf735aaf8a53cd198ea
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\b1839cd055eeed87e67593afb4f50956.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\wscript.exeC:\Windows\system32\wscript.exe1⤵
-
C:\Users\Admin\AppData\Local\p56\wscript.exeC:\Users\Admin\AppData\Local\p56\wscript.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\dwm.exeC:\Windows\system32\dwm.exe1⤵
-
C:\Users\Admin\AppData\Local\XEzHkx\dwm.exeC:\Users\Admin\AppData\Local\XEzHkx\dwm.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\unregmp2.exeC:\Windows\system32\unregmp2.exe1⤵
-
C:\Users\Admin\AppData\Local\Y8t\unregmp2.exeC:\Users\Admin\AppData\Local\Y8t\unregmp2.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
dwm.exe
dxgi.dll
VERSION.dll
unregmp2.exe
VERSION.dll
wscript.exe
Vuzdvithyifjda.lnk
VERSION.dll
memory/2440-68-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/2440-74-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/2440-69-0x0000027977950000-0x0000027977957000-memory.dmp
memory/2868-7-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/2868-1-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/2868-0-0x0000020BB48C0000-0x0000020BB48C7000-memory.dmp
memory/2976-100-0x0000024845DD0000-0x0000024845DD7000-memory.dmp
memory/2976-104-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3372-12-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-40-0x0000000000180000-0x0000000000187000-memory.dmp
memory/3372-22-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-20-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-23-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-25-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-26-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-24-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-27-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-29-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-30-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-32-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-33-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-35-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-34-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-31-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-28-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-37-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-38-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-36-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-39-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-21-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-47-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-50-0x00007FF92F100000-0x00007FF92F110000-memory.dmp
memory/3372-57-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-59-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-19-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-18-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-17-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-16-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-15-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-14-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-13-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-4-0x00000000023E0000-0x00000000023E1000-memory.dmp
memory/3372-8-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-11-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-10-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3372-9-0x00007FF92E6FA000-0x00007FF92E6FB000-memory.dmp
memory/3372-6-0x0000000140000000-0x00000001401B3000-memory.dmp
memory/3392-90-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3392-86-0x000001F33C320000-0x000001F33C327000-memory.dmp