Analysis
- max time kernel
70s - max time network
127s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 03:55
Static task
static1
Behavioral task
behavioral1
Sample
document-1219182769.xlsm
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1219182769.xlsm
Resource
win10v20201028
0 signatures
0 seconds
General
- Target document-1219182769.xlsm
- Size 105KB
- Sample210331-q7efzzlq4a
- SHA256 d57f2110422ff368a7f8cba5e034b597eb8ca908ae73ad215d5dfd2b6c03769a
- MD5 d5aa88e3218a20dee4987de7ffdbf35d
- SHA1 8c9a041e5d0a783d9dbf90c2e7f42802cd759939
- SHA512 a60f1db06257a6d50c59eecf7edd96fe67158acb59b6af8273e3979bd89177cb1e1819a49667526cb0d37874e148b899683e9b095039c2dc08faac407e5b8729
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
icedid
Campaign
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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 2696 1152 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3264 1152 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2736 1152 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2036 1152 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1360 1152 rundll32.exe 68 - IcedID First Stage Loader 1 IoCs
resource yara_rule behavioral2/memory/2696-10-0x000002988BA40000-0x000002988BA47000-memory.dmp IcedidFirstLoader - Blocklisted process makes network request 6 IoCs
flow pid Process 36 2696 rundll32.exe 38 2696 rundll32.exe 40 2036 rundll32.exe 42 2036 rundll32.exe 47 1360 rundll32.exe 48 1360 rundll32.exe - Loads dropped DLL 3 IoCs
pid Process 2696 rundll32.exe 2036 rundll32.exe 1360 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 1152 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2696 rundll32.exe 2696 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 1360 rundll32.exe 1360 rundll32.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1152 EXCEL.EXE 1152 EXCEL.EXE - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1152 wrote to memory of 2696 1152 EXCEL.EXE 80 PID 1152 wrote to memory of 2696 1152 EXCEL.EXE 80 PID 1152 wrote to memory of 3264 1152 EXCEL.EXE 82 PID 1152 wrote to memory of 3264 1152 EXCEL.EXE 82 PID 1152 wrote to memory of 2736 1152 EXCEL.EXE 83 PID 1152 wrote to memory of 2736 1152 EXCEL.EXE 83 PID 1152 wrote to memory of 2036 1152 EXCEL.EXE 84 PID 1152 wrote to memory of 2036 1152 EXCEL.EXE 84 PID 1152 wrote to memory of 1360 1152 EXCEL.EXE 86 PID 1152 wrote to memory of 1360 1152 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-1219182769.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:1152 -
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:2696
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-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:3264
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:2736
-
-
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:2036
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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:1360
-