Analysis
- max time kernel
137s - max time network
135s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 03:40
Static task
static1
Behavioral task
behavioral1
Sample
document-1062465282.xlsm
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1062465282.xlsm
Resource
win10v20201028
0 signatures
0 seconds
General
- Target document-1062465282.xlsm
- Size 105KB
- Sample210331-pq6hpj5rmj
- SHA256 d5519f78d9b65ee4f056291b013b7a3d43818f0cddd4330714d95ed463bcf0ff
- MD5 c56abaf2721d0cedf932c5d38d2dcfd8
- SHA1 c9fa7dad475aba29c374d5ef30bca5fc2e555e62
- SHA512 11c109d57c4cef52799c401521a8fcecc0dee8b0e1407d43161bedfc656191becaae9b7d343a005f3167d351c9d2dbbbc3fff3f2d990da6d9ceedede658ba6c8
- 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 1792 3152 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4008 3152 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 636 3152 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3872 3152 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2400 3152 rundll32.exe 67 - IcedID First Stage Loader 1 IoCs
resource yara_rule behavioral2/memory/1792-10-0x000001833A400000-0x000001833A407000-memory.dmp IcedidFirstLoader - Blocklisted process makes network request 6 IoCs
flow pid Process 46 1792 rundll32.exe 48 1792 rundll32.exe 49 3872 rundll32.exe 50 3872 rundll32.exe 51 2400 rundll32.exe 52 2400 rundll32.exe - Loads dropped DLL 3 IoCs
pid Process 1792 rundll32.exe 3872 rundll32.exe 2400 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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3152 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1792 rundll32.exe 1792 rundll32.exe 3872 rundll32.exe 3872 rundll32.exe 2400 rundll32.exe 2400 rundll32.exe - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3152 wrote to memory of 1792 3152 EXCEL.EXE 81 PID 3152 wrote to memory of 1792 3152 EXCEL.EXE 81 PID 3152 wrote to memory of 4008 3152 EXCEL.EXE 82 PID 3152 wrote to memory of 4008 3152 EXCEL.EXE 82 PID 3152 wrote to memory of 636 3152 EXCEL.EXE 83 PID 3152 wrote to memory of 636 3152 EXCEL.EXE 83 PID 3152 wrote to memory of 3872 3152 EXCEL.EXE 84 PID 3152 wrote to memory of 3872 3152 EXCEL.EXE 84 PID 3152 wrote to memory of 2400 3152 EXCEL.EXE 85 PID 3152 wrote to memory of 2400 3152 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-1062465282.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3152 -
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:1792
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-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:4008
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:636
-
-
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:3872
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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:2400
-