Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
12/02/2024, 11:05
General
- Target 97013513eec319a4402a818111b261c0.dll
- Size 1.8MB
- Sample240212-m661cadd59
- SHA256 a3575f530f130fc338946c0c6c4ac822007a36b4a860671383ce565cb77cbea0
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\97013513eec319a4402a818111b261c0.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\Taskmgr.exeC:\Windows\system32\Taskmgr.exe1⤵
-
C:\Users\Admin\AppData\Local\GeYjwkZH\Taskmgr.exeC:\Users\Admin\AppData\Local\GeYjwkZH\Taskmgr.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\msra.exeC:\Windows\system32\msra.exe1⤵
-
C:\Users\Admin\AppData\Local\ouVG\msra.exeC:\Users\Admin\AppData\Local\ouVG\msra.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\wbengine.exeC:\Windows\system32\wbengine.exe1⤵
-
C:\Users\Admin\AppData\Local\0WAJz\wbengine.exeC:\Users\Admin\AppData\Local\0WAJz\wbengine.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
wbengine.exe
wbengine.exe
wer.dll
wer.dll
Taskmgr.exe
credui.dll
credui.dll
NDFAPI.DLL
NDFAPI.DLL
msra.exe
msra.exe
Udjzqp.lnk
NDFAPI.DLL
wer.dll
credui.dll
memory/2000-96-0x0000020346B50000-0x0000020346B57000-memory.dmp
memory/2108-7-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/2108-1-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/2108-0-0x000001CE3AB00000-0x000001CE3AB07000-memory.dmp
memory/3380-79-0x0000000140000000-0x00000001401C5000-memory.dmp
memory/3380-84-0x0000000140000000-0x00000001401C5000-memory.dmp
memory/3380-78-0x0000024057BE0000-0x0000024057BE7000-memory.dmp
memory/3440-22-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-57-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-27-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-30-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-31-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-29-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-33-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-34-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-36-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-37-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-38-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-39-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-40-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-35-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-32-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-41-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-42-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-43-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-45-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-44-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-46-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-47-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-50-0x0000000000D80000-0x0000000000D87000-memory.dmp
memory/3440-49-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-48-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-28-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-58-0x00007FFE6E000000-0x00007FFE6E010000-memory.dmp
memory/3440-67-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-69-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-26-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-16-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-25-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-24-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-23-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-19-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-20-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-21-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-18-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-17-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-15-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-14-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-13-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-4-0x0000000002830000-0x0000000002831000-memory.dmp
memory/3440-12-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-11-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-9-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-10-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-6-0x0000000140000000-0x00000001401C4000-memory.dmp
memory/3440-8-0x00007FFE6DC2A000-0x00007FFE6DC2B000-memory.dmp
memory/3784-112-0x0000026861EF0000-0x0000026861EF7000-memory.dmp