Analysis
- max time kernel
140s - max time network
140s - platform
windows10_x64 - resource
win10v20201028 - submitted
30/03/2021, 15:21
Static task
static1
Behavioral task
behavioral1
Sample
document-1892098199.xlsm
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1892098199.xlsm
Resource
win10v20201028
0 signatures
0 seconds
General
- Target document-1892098199.xlsm
- Size 105KB
- Sample210330-1drkgl4swa
- SHA256 89d7241a1d35b156fe92a140774aec32ff3bdb1fbc1fcc80370da50f6fa0fd27
- MD5 96c632f7430eebd29e0cf761e08db082
- SHA1 d14f9246211f3577bc4cbf5c748ddcbf00ae528b
- SHA512 d01710698a6390f497c0cb47c086bedd7abd02819c791a19a981e2ec53246f6f0d414fa7bf0e498418193272525bace0d96dba937428ba47176b7a7d4636910a
- 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 3844 580 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2452 580 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2248 580 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4044 580 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 412 580 rundll32.exe 67 - IcedID First Stage Loader 1 IoCs
resource yara_rule behavioral2/memory/3844-10-0x0000014F12D30000-0x0000014F12D37000-memory.dmp IcedidFirstLoader - Blocklisted process makes network request 6 IoCs
flow pid Process 47 3844 rundll32.exe 49 3844 rundll32.exe 50 4044 rundll32.exe 51 4044 rundll32.exe 52 412 rundll32.exe 54 412 rundll32.exe - Loads dropped DLL 3 IoCs
pid Process 3844 rundll32.exe 4044 rundll32.exe 412 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 3844 rundll32.exe 3844 rundll32.exe 4044 rundll32.exe 4044 rundll32.exe 412 rundll32.exe 412 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 3844 580 EXCEL.EXE 80 PID 580 wrote to memory of 3844 580 EXCEL.EXE 80 PID 580 wrote to memory of 2452 580 EXCEL.EXE 82 PID 580 wrote to memory of 2452 580 EXCEL.EXE 82 PID 580 wrote to memory of 2248 580 EXCEL.EXE 83 PID 580 wrote to memory of 2248 580 EXCEL.EXE 83 PID 580 wrote to memory of 4044 580 EXCEL.EXE 84 PID 580 wrote to memory of 4044 580 EXCEL.EXE 84 PID 580 wrote to memory of 412 580 EXCEL.EXE 85 PID 580 wrote to memory of 412 580 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-1892098199.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:3844
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:2452
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:2248
-
-
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:4044
-
-
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:412
-