Analysis
- max time kernel
136s - max time network
133s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 18:06
Static task
static1
Behavioral task
behavioral1
Sample
document-619184592.xlsm
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-619184592.xlsm
Resource
win10v20201028
0 signatures
0 seconds
General
- Target document-619184592.xlsm
- Size 106KB
- Sample210331-8tywcrwjbx
- SHA256 0fc7443d034f27e4319681c22b53f6c07d660bc261c7b5f0ba5a2cb1a45ce612
- MD5 13ca896cb3e3d956c17cdc2e74531d2b
- SHA1 2dd0b95c05a2d4c324ba6c0b674a14667d7f273e
- SHA512 cb57d2754abae56ded723d976f16db8725c7c4e02c1feed08d673ecdb7ab32b7c47d949e0dc053519297335abcb6d375018afdf184a485a58037c79c5b19d9f5
- 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 3100 1176 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3960 1176 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3628 1176 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3920 1176 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 508 1176 rundll32.exe 68 - IcedID First Stage Loader 1 IoCs
resource yara_rule behavioral2/memory/508-14-0x000001AB34970000-0x000001AB34977000-memory.dmp IcedidFirstLoader - Blocklisted process makes network request 1 IoCs
flow pid Process 44 508 rundll32.exe - Loads dropped DLL 1 IoCs
pid Process 508 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 opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE 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 - 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 1176 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 508 rundll32.exe 508 rundll32.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1176 EXCEL.EXE 1176 EXCEL.EXE - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1176 EXCEL.EXE 1176 EXCEL.EXE 1176 EXCEL.EXE 1176 EXCEL.EXE 1176 EXCEL.EXE 1176 EXCEL.EXE 1176 EXCEL.EXE 1176 EXCEL.EXE 1176 EXCEL.EXE 1176 EXCEL.EXE 1176 EXCEL.EXE 1176 EXCEL.EXE - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1176 wrote to memory of 3100 1176 EXCEL.EXE 82 PID 1176 wrote to memory of 3100 1176 EXCEL.EXE 82 PID 1176 wrote to memory of 3960 1176 EXCEL.EXE 83 PID 1176 wrote to memory of 3960 1176 EXCEL.EXE 83 PID 1176 wrote to memory of 3628 1176 EXCEL.EXE 84 PID 1176 wrote to memory of 3628 1176 EXCEL.EXE 84 PID 1176 wrote to memory of 3920 1176 EXCEL.EXE 85 PID 1176 wrote to memory of 3920 1176 EXCEL.EXE 85 PID 1176 wrote to memory of 508 1176 EXCEL.EXE 86 PID 1176 wrote to memory of 508 1176 EXCEL.EXE 86
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-619184592.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:1176 -
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:3100
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:3960
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:3628
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:3920
-
-
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:508
-