Analysis
- max time kernel
137s - max time network
149s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 06:50
Static task
static1
Behavioral task
behavioral1
Sample
document-30522410.xlsm
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-30522410.xlsm
Resource
win10v20201028
0 signatures
0 seconds
General
- Target document-30522410.xlsm
- Size 105KB
- Sample210331-tndmp9yygx
- SHA256 5f7dd80d6db54940d0d0018b0765f89d14a80d82c8ca1014b306c4c0824fd50c
- MD5 70df0c0cea895574771067e68c68e723
- SHA1 f38fd5fdb3d4656b554eed3c85916d23c0ab0240
- SHA512 88945623c12e5a65e0b5618a701d85466dae39863338f390a42159ab64d184f76c44b725fa2f44033a7738ba6b36cb8d3e4dc603fea6123354d70d26b13cfefe
- 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 3876 3812 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4052 3812 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2280 3812 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3548 3812 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3872 3812 rundll32.exe 67 - IcedID First Stage Loader 1 IoCs
resource yara_rule behavioral2/memory/3876-10-0x00000205263D0000-0x00000205263D7000-memory.dmp IcedidFirstLoader - Blocklisted process makes network request 6 IoCs
flow pid Process 47 3876 rundll32.exe 49 3876 rundll32.exe 50 3548 rundll32.exe 51 3548 rundll32.exe 52 3872 rundll32.exe 53 3872 rundll32.exe - Loads dropped DLL 3 IoCs
pid Process 3876 rundll32.exe 3548 rundll32.exe 3872 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 3812 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3876 rundll32.exe 3876 rundll32.exe 3548 rundll32.exe 3548 rundll32.exe 3872 rundll32.exe 3872 rundll32.exe - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3812 wrote to memory of 3876 3812 EXCEL.EXE 80 PID 3812 wrote to memory of 3876 3812 EXCEL.EXE 80 PID 3812 wrote to memory of 4052 3812 EXCEL.EXE 82 PID 3812 wrote to memory of 4052 3812 EXCEL.EXE 82 PID 3812 wrote to memory of 2280 3812 EXCEL.EXE 83 PID 3812 wrote to memory of 2280 3812 EXCEL.EXE 83 PID 3812 wrote to memory of 3548 3812 EXCEL.EXE 84 PID 3812 wrote to memory of 3548 3812 EXCEL.EXE 84 PID 3812 wrote to memory of 3872 3812 EXCEL.EXE 85 PID 3812 wrote to memory of 3872 3812 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-30522410.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3812 -
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:3876
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:4052
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:2280
-
-
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:3548
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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:3872
-