Analysis
- max time kernel
136s - max time network
128s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 03:33
Static task
static1
Behavioral task
behavioral1
Sample
document-1154632083.xlsm
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1154632083.xlsm
Resource
win10v20201028
0 signatures
0 seconds
General
- Target document-1154632083.xlsm
- Size 105KB
- Sample210331-63s3tgm6r2
- SHA256 d9e780039ece990ebc1f2fb65db68898779410934016d1c439ecb876dc121b84
- MD5 a8016a33f9ac2b52c71b523a26c434ea
- SHA1 04143c5ea2f9d030db1ed273e047eac76382b9de
- SHA512 5a54bcf6a0855af7fd499114b7ee7c1db41f9f3cdd4602a3e7e8be51c047c5c0316d3f0040460ccf7c50a8b27124f3654a191a8fd8f5f04753ba3f69385b7aa1
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
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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 612 1108 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1892 1108 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3700 1108 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1172 1108 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3900 1108 rundll32.exe 68 - IcedID First Stage Loader 1 IoCs
resource yara_rule behavioral2/memory/612-10-0x0000020BD7790000-0x0000020BD7797000-memory.dmp IcedidFirstLoader - Blocklisted process makes network request 6 IoCs
flow pid Process 37 612 rundll32.exe 39 612 rundll32.exe 41 1172 rundll32.exe 44 1172 rundll32.exe 46 3900 rundll32.exe 47 3900 rundll32.exe - Loads dropped DLL 3 IoCs
pid Process 612 rundll32.exe 1172 rundll32.exe 3900 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1108 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 612 rundll32.exe 612 rundll32.exe 1172 rundll32.exe 1172 rundll32.exe 3900 rundll32.exe 3900 rundll32.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1108 EXCEL.EXE 1108 EXCEL.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 612 1108 EXCEL.EXE 82 PID 1108 wrote to memory of 612 1108 EXCEL.EXE 82 PID 1108 wrote to memory of 1892 1108 EXCEL.EXE 84 PID 1108 wrote to memory of 1892 1108 EXCEL.EXE 84 PID 1108 wrote to memory of 3700 1108 EXCEL.EXE 85 PID 1108 wrote to memory of 3700 1108 EXCEL.EXE 85 PID 1108 wrote to memory of 1172 1108 EXCEL.EXE 86 PID 1108 wrote to memory of 1172 1108 EXCEL.EXE 86 PID 1108 wrote to memory of 3900 1108 EXCEL.EXE 87 PID 1108 wrote to memory of 3900 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-1154632083.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: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:612
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-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1892
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-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:3700
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-
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:1172
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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:3900
-