Analysis
- max time kernel
136s - max time network
127s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 04:00
Static task
static1
Behavioral task
behavioral1
Sample
document-176589572.xlsm
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-176589572.xlsm
Resource
win10v20201028
0 signatures
0 seconds
General
- Target document-176589572.xlsm
- Size 105KB
- Sample210331-chqtjnn6ja
- SHA256 550f87b8bb8aa9ef40d22eea337832da32a2a5972e4245f4eeddcd0395dfd015
- MD5 ea2526a7c03be2e0fa521d61cd01ee22
- SHA1 e22a5bbea39ac25736fa32237cf77165a304be13
- SHA512 1a615856a9aeb6eb14d59125110360849d90340b35c58a4f3c8f460523c09d859f73f591892293e5b45373f8ac6ca510e3ecdba3041c2f765ac1a8d6aae27358
- 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 196 1108 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2316 1108 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2448 1108 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1740 1108 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3980 1108 rundll32.exe 68 - IcedID First Stage Loader 1 IoCs
resource yara_rule behavioral2/memory/196-10-0x000002B68C3B0000-0x000002B68C3B7000-memory.dmp IcedidFirstLoader - Blocklisted process makes network request 6 IoCs
flow pid Process 37 196 rundll32.exe 39 196 rundll32.exe 40 1740 rundll32.exe 42 1740 rundll32.exe 46 3980 rundll32.exe 47 3980 rundll32.exe - Loads dropped DLL 3 IoCs
pid Process 196 rundll32.exe 1740 rundll32.exe 3980 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 1108 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 196 rundll32.exe 196 rundll32.exe 1740 rundll32.exe 1740 rundll32.exe 3980 rundll32.exe 3980 rundll32.exe - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1108 EXCEL.EXE 1108 EXCEL.EXE 1108 EXCEL.EXE 1108 EXCEL.EXE 1108 EXCEL.EXE 1108 EXCEL.EXE 1108 EXCEL.EXE 1108 EXCEL.EXE 1108 EXCEL.EXE 1108 EXCEL.EXE 1108 EXCEL.EXE 1108 EXCEL.EXE - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1108 wrote to memory of 196 1108 EXCEL.EXE 82 PID 1108 wrote to memory of 196 1108 EXCEL.EXE 82 PID 1108 wrote to memory of 2316 1108 EXCEL.EXE 84 PID 1108 wrote to memory of 2316 1108 EXCEL.EXE 84 PID 1108 wrote to memory of 2448 1108 EXCEL.EXE 85 PID 1108 wrote to memory of 2448 1108 EXCEL.EXE 85 PID 1108 wrote to memory of 1740 1108 EXCEL.EXE 86 PID 1108 wrote to memory of 1740 1108 EXCEL.EXE 86 PID 1108 wrote to memory of 3980 1108 EXCEL.EXE 87 PID 1108 wrote to memory of 3980 1108 EXCEL.EXE 87
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-176589572.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1108 -
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:196
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:2316
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:2448
-
-
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:1740
-
-
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:3980
-