Analysis
- max time kernel
150s - max time network
73s - platform
windows10_x64 - resource
win10v20210408 - submitted
30/09/2021, 11:16
Static task
static1
Behavioral task
behavioral1
Sample
2f2cc296a9e826e62812ceecd5e94afb1c8556269d05ff153983325906e58e79.dll
Resource
win7-en-20210920
0 signatures
0 seconds
General
- Target 2f2cc296a9e826e62812ceecd5e94afb1c8556269d05ff153983325906e58e79.dll
- Size 832KB
- Sample210930-nc6cdshecp
- SHA256 2f2cc296a9e826e62812ceecd5e94afb1c8556269d05ff153983325906e58e79
- MD5 f86b7b970b6f9f844263842bbf222914
- SHA1 e1bfa3154d30cbb1c27391d784e4016597188908
- SHA512 d54699d0f4d87f9bb59301da3bbcf03fb5b8f3f6766cb0bb3fd823793ff27c89d776c0d3b743a87326242c98355decbfbfe3e23d4f7b49b92f91bd8e5fc49821
- MD5 SHA1 SHA512
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/900-114-0x0000000140000000-0x00000001400D0000-memory.dmp dridex_payload behavioral2/memory/3528-162-0x0000000140000000-0x00000001400D1000-memory.dmp dridex_payload -
resource yara_rule behavioral2/memory/3024-120-0x0000000002630000-0x0000000002631000-memory.dmp dridex_stager_shellcode - Executes dropped EXE 3 IoCs
pid Process 3528 Dxpserver.exe 3596 bcastdvr.exe 2728 psr.exe - Loads dropped DLL 3 IoCs
pid Process 3528 Dxpserver.exe 3596 bcastdvr.exe 2728 psr.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rvhohwdqaanc = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\Xz\\bcastdvr.exe" Process not Found -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA bcastdvr.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA psr.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Dxpserver.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance Process not Found Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance Process not Found - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 900 rundll32.exe 900 rundll32.exe 900 rundll32.exe 900 rundll32.exe 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3024 Process not Found - Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeShutdownPrivilege 3024 Process not Found Token: SeCreatePagefilePrivilege 3024 Process not Found Token: SeShutdownPrivilege 3024 Process not Found Token: SeCreatePagefilePrivilege 3024 Process not Found Token: SeShutdownPrivilege 3024 Process not Found Token: SeCreatePagefilePrivilege 3024 Process not Found Token: SeShutdownPrivilege 3024 Process not Found Token: SeCreatePagefilePrivilege 3024 Process not Found Token: SeShutdownPrivilege 3024 Process not Found Token: SeCreatePagefilePrivilege 3024 Process not Found - Suspicious use of FindShellTrayWindow 8 IoCs
pid Process 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found 3024 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3024 wrote to memory of 2796 3024 Process not Found 72 PID 3024 wrote to memory of 2796 3024 Process not Found 72 PID 3024 wrote to memory of 3528 3024 Process not Found 73 PID 3024 wrote to memory of 3528 3024 Process not Found 73 PID 3024 wrote to memory of 3568 3024 Process not Found 76 PID 3024 wrote to memory of 3568 3024 Process not Found 76 PID 3024 wrote to memory of 3596 3024 Process not Found 77 PID 3024 wrote to memory of 3596 3024 Process not Found 77 PID 3024 wrote to memory of 508 3024 Process not Found 78 PID 3024 wrote to memory of 508 3024 Process not Found 78 PID 3024 wrote to memory of 2728 3024 Process not Found 79 PID 3024 wrote to memory of 2728 3024 Process not Found 79
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2f2cc296a9e826e62812ceecd5e94afb1c8556269d05ff153983325906e58e79.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:900
-
C:\Windows\system32\Dxpserver.exeC:\Windows\system32\Dxpserver.exe1⤵PID:2796
-
C:\Users\Admin\AppData\Local\W73er4Q54\Dxpserver.exeC:\Users\Admin\AppData\Local\W73er4Q54\Dxpserver.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3528
-
C:\Windows\system32\bcastdvr.exeC:\Windows\system32\bcastdvr.exe1⤵PID:3568
-
C:\Users\Admin\AppData\Local\kjYU5\bcastdvr.exeC:\Users\Admin\AppData\Local\kjYU5\bcastdvr.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3596
-
C:\Windows\system32\psr.exeC:\Windows\system32\psr.exe1⤵PID:508
-
C:\Users\Admin\AppData\Local\inutg2\psr.exeC:\Users\Admin\AppData\Local\inutg2\psr.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2728