Analysis
- max time kernel
139s - max time network
131s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 16:36
Static task
static1
Behavioral task
behavioral1
Sample
document-278691849.xlsm
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-278691849.xlsm
Resource
win10v20201028
0 signatures
0 seconds
General
- Target document-278691849.xlsm
- Size 106KB
- Sample210331-p7scm64bp2
- SHA256 04e6320dce594194eeea6da52f8cf8227eb3385dbe001778f0b58587254bb2ed
- MD5 93a776d611e4f5c9756e4d2d860f613f
- SHA1 5def03122ffc5810a929c2bcf3eb8cf060c0764b
- SHA512 0780a593d908331b957bc5ac0eabfb15e054286253976e6ae11cd48cb126d927b27e637a08b8659b40b92d089a0594450e1e3bc259e5a76101a033d352923839
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
icedid
Campaign
-
3633240867
C2
-
afdeserutil32.website
Signatures
- Process spawned unexpected child process 5 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3680 1308 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3500 1308 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3928 1308 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2968 1308 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1864 1308 rundll32.exe 67 - IcedID First Stage Loader 1 IoCs
resource yara_rule behavioral2/memory/1864-14-0x0000014695BF0000-0x0000014695BF7000-memory.dmp IcedidFirstLoader - Blocklisted process makes network request 2 IoCs
flow pid Process 49 1864 rundll32.exe 51 1864 rundll32.exe - Loads dropped DLL 1 IoCs
pid Process 1864 rundll32.exe - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1308 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1864 rundll32.exe 1864 rundll32.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1308 EXCEL.EXE 1308 EXCEL.EXE - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1308 EXCEL.EXE 1308 EXCEL.EXE 1308 EXCEL.EXE 1308 EXCEL.EXE 1308 EXCEL.EXE 1308 EXCEL.EXE 1308 EXCEL.EXE 1308 EXCEL.EXE 1308 EXCEL.EXE 1308 EXCEL.EXE 1308 EXCEL.EXE 1308 EXCEL.EXE - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1308 wrote to memory of 3680 1308 EXCEL.EXE 80 PID 1308 wrote to memory of 3680 1308 EXCEL.EXE 80 PID 1308 wrote to memory of 3500 1308 EXCEL.EXE 81 PID 1308 wrote to memory of 3500 1308 EXCEL.EXE 81 PID 1308 wrote to memory of 3928 1308 EXCEL.EXE 82 PID 1308 wrote to memory of 3928 1308 EXCEL.EXE 82 PID 1308 wrote to memory of 2968 1308 EXCEL.EXE 83 PID 1308 wrote to memory of 2968 1308 EXCEL.EXE 83 PID 1308 wrote to memory of 1864 1308 EXCEL.EXE 84 PID 1308 wrote to memory of 1864 1308 EXCEL.EXE 84
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-278691849.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1308 -
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:3680
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:3500
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:3928
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:2968
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:1864
-