Analysis
- max time kernel
136s - max time network
128s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 03:45
Static task
static1
Behavioral task
behavioral1
Sample
document-2010473083.xlsm
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-2010473083.xlsm
Resource
win10v20201028
0 signatures
0 seconds
General
- Target document-2010473083.xlsm
- Size 105KB
- Sample210331-mnet6ffte6
- SHA256 d8f7d00523beac0a72f25dfef5aa72dac67873bf344a6729781e5a8eaebb8c2e
- MD5 c6f4cceee5e15f807184f1746116894d
- SHA1 33300d7719fd6f184d41e79cf1dbc8230f84aef5
- SHA512 635ad99b3208b003b2f7f54e96f07978852aa9ea906c221fb0709bdf6f995a12175dc2f2a48138f288671f4938926447cb7d920a49f74453ffe299a6d404439b
- 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 2752 3108 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2212 3108 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3652 3108 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2700 3108 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1444 3108 rundll32.exe 67 - IcedID First Stage Loader 1 IoCs
resource yara_rule behavioral2/memory/2752-10-0x000001DB7D900000-0x000001DB7D907000-memory.dmp IcedidFirstLoader - Blocklisted process makes network request 6 IoCs
flow pid Process 39 2752 rundll32.exe 41 2752 rundll32.exe 42 2700 rundll32.exe 47 2700 rundll32.exe 48 1444 rundll32.exe 49 1444 rundll32.exe - Loads dropped DLL 3 IoCs
pid Process 2752 rundll32.exe 2700 rundll32.exe 1444 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 3108 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2752 rundll32.exe 2752 rundll32.exe 2700 rundll32.exe 2700 rundll32.exe 1444 rundll32.exe 1444 rundll32.exe - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3108 EXCEL.EXE 3108 EXCEL.EXE 3108 EXCEL.EXE 3108 EXCEL.EXE 3108 EXCEL.EXE 3108 EXCEL.EXE 3108 EXCEL.EXE 3108 EXCEL.EXE 3108 EXCEL.EXE 3108 EXCEL.EXE 3108 EXCEL.EXE 3108 EXCEL.EXE - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3108 wrote to memory of 2752 3108 EXCEL.EXE 80 PID 3108 wrote to memory of 2752 3108 EXCEL.EXE 80 PID 3108 wrote to memory of 2212 3108 EXCEL.EXE 82 PID 3108 wrote to memory of 2212 3108 EXCEL.EXE 82 PID 3108 wrote to memory of 3652 3108 EXCEL.EXE 83 PID 3108 wrote to memory of 3652 3108 EXCEL.EXE 83 PID 3108 wrote to memory of 2700 3108 EXCEL.EXE 84 PID 3108 wrote to memory of 2700 3108 EXCEL.EXE 84 PID 3108 wrote to memory of 1444 3108 EXCEL.EXE 85 PID 3108 wrote to memory of 1444 3108 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-2010473083.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3108 -
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:2752
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-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:2212
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-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:3652
-
-
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:2700
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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:1444
-