Analysis
- max time kernel
137s - max time network
137s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 03:30
Static task
static1
Behavioral task
behavioral1
Sample
document-758238090.xlsm
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-758238090.xlsm
Resource
win10v20201028
0 signatures
0 seconds
General
- Target document-758238090.xlsm
- Size 105KB
- Sample210331-q1m21dys4x
- SHA256 7a34b18a1c8e2eb188d0688dc103c447b92b455f7743fbbce0d752eb9204d853
- MD5 aa813fa2ed99e8777a96cf6c949e87bd
- SHA1 1151b638df9af84c54a06bf60e7125b3fde20954
- SHA512 8029e724de375b3f536eb63860a59e486327bc26b89a8578f876573a5282bfd11c11bfad0dbe75e19d0a2e9ae5336cb1b05cd8f1ea892d6b3ed36c453da40712
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
icedid
Campaign
-
3717128962
C2
-
usaaforced.fun
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 580 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3608 580 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3428 580 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3008 580 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 716 580 rundll32.exe 67 - IcedID First Stage Loader 1 IoCs
resource yara_rule behavioral2/memory/3680-10-0x000001FE5C9A0000-0x000001FE5C9A7000-memory.dmp IcedidFirstLoader - Blocklisted process makes network request 6 IoCs
flow pid Process 50 3680 rundll32.exe 52 3680 rundll32.exe 53 3008 rundll32.exe 54 3008 rundll32.exe 55 716 rundll32.exe 56 716 rundll32.exe - Loads dropped DLL 3 IoCs
pid Process 3680 rundll32.exe 3008 rundll32.exe 716 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 580 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3680 rundll32.exe 3680 rundll32.exe 3008 rundll32.exe 3008 rundll32.exe 716 rundll32.exe 716 rundll32.exe - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE 580 EXCEL.EXE - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 580 wrote to memory of 3680 580 EXCEL.EXE 81 PID 580 wrote to memory of 3680 580 EXCEL.EXE 81 PID 580 wrote to memory of 3608 580 EXCEL.EXE 82 PID 580 wrote to memory of 3608 580 EXCEL.EXE 82 PID 580 wrote to memory of 3428 580 EXCEL.EXE 83 PID 580 wrote to memory of 3428 580 EXCEL.EXE 83 PID 580 wrote to memory of 3008 580 EXCEL.EXE 84 PID 580 wrote to memory of 3008 580 EXCEL.EXE 84 PID 580 wrote to memory of 716 580 EXCEL.EXE 85 PID 580 wrote to memory of 716 580 EXCEL.EXE 85
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-758238090.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:580 -
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd,DllRegisterServer2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:3680
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:3608
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:3428
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd3,DllRegisterServer2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:3008
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd4,DllRegisterServer2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:716
-