Analysis
- max time kernel
145s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
25/01/2024, 10:34
General
- Target 7477fc39b45ddb88b4ff0de5a954889a.dll
- Size 1.8MB
- Sample240125-ml8nfaefgl
- SHA256 1bed54ab01a098e8eefee909a56a0ce2b4ffc50208869d313501680c11e05798
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 4 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\7477fc39b45ddb88b4ff0de5a954889a.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\PasswordOnWakeSettingFlyout.exeC:\Windows\system32\PasswordOnWakeSettingFlyout.exe1⤵
-
C:\Users\Admin\AppData\Local\eGcMl\PasswordOnWakeSettingFlyout.exeC:\Users\Admin\AppData\Local\eGcMl\PasswordOnWakeSettingFlyout.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\OptionalFeatures.exeC:\Windows\system32\OptionalFeatures.exe1⤵
-
C:\Users\Admin\AppData\Local\6ndyrWFGr\OptionalFeatures.exeC:\Users\Admin\AppData\Local\6ndyrWFGr\OptionalFeatures.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\cmstp.exeC:\Windows\system32\cmstp.exe1⤵
-
C:\Users\Admin\AppData\Local\8o9\cmstp.exeC:\Users\Admin\AppData\Local\8o9\cmstp.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
OptionalFeatures.exe
appwiz.cpl
VERSION.dll
cmstp.exe
PasswordOnWakeSettingFlyout.exe
UxTheme.dll
Btpzaqnqvnv.lnk
memory/3348-117-0x000001A309BF0000-0x000001A309BF7000-memory.dmp
memory/3464-38-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-43-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-17-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-16-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-18-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-19-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-21-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-20-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-22-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-23-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-24-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-25-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-27-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-28-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-26-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-29-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-30-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-31-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-32-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-33-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-34-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-35-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-36-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-37-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-4-0x0000000002BE0000-0x0000000002BE1000-memory.dmp
memory/3464-39-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-40-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-41-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-42-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-15-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-44-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-45-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-46-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-47-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-49-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-48-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-50-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-51-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-52-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-53-0x00000000008B0000-0x00000000008B7000-memory.dmp
memory/3464-60-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-61-0x00007FFCAC400000-0x00007FFCAC410000-memory.dmp
memory/3464-70-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-72-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-14-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-11-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-5-0x00007FFCAA4BA000-0x00007FFCAA4BB000-memory.dmp
memory/3464-9-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-13-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-12-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-7-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3464-10-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/3876-99-0x000001A0E0830000-0x000001A0E0837000-memory.dmp
memory/3884-81-0x00000255148A0000-0x00000255148A7000-memory.dmp
memory/3884-82-0x0000000140000000-0x00000001401C7000-memory.dmp
memory/4488-1-0x0000000140000000-0x00000001401C6000-memory.dmp
memory/4488-0-0x0000019E7D6C0000-0x0000019E7D6C7000-memory.dmp
memory/4488-8-0x0000000140000000-0x00000001401C6000-memory.dmp