Analysis
- max time kernel
134s - max time network
132s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 02:58
Static task
static1
Behavioral task
behavioral1
Sample
document-253302845.xlsm
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-253302845.xlsm
Resource
win10v20201028
0 signatures
0 seconds
General
- Target document-253302845.xlsm
- Size 105KB
- Sample210331-5hyl1832nx
- SHA256 be428c356669962ffc29fbd6c64d0e77f36fcd162349582d29772803d2eaa80c
- MD5 57ad64dd0a57f89cdfbda9a3648453ae
- SHA1 99921438be7c0ae13dfc12d24f26bf9d8c3c5bcc
- SHA512 2e747d7605895d74b0fd09534452e00ada45b126fbcc8ed135671054667540bc6ba764a5fd6a3e8f4d493a9feebb2a9dea0dd0104a7bbdbaeaf1cef0f1ae7702
- 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 2656 1452 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 848 1452 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3532 1452 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3124 1452 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2168 1452 rundll32.exe 68 - IcedID First Stage Loader 1 IoCs
resource yara_rule behavioral2/memory/2656-10-0x0000012613430000-0x0000012613437000-memory.dmp IcedidFirstLoader - Blocklisted process makes network request 6 IoCs
flow pid Process 43 2656 rundll32.exe 45 2656 rundll32.exe 47 3124 rundll32.exe 48 3124 rundll32.exe 50 2168 rundll32.exe 51 2168 rundll32.exe - Loads dropped DLL 3 IoCs
pid Process 2656 rundll32.exe 3124 rundll32.exe 2168 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 1452 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2656 rundll32.exe 2656 rundll32.exe 3124 rundll32.exe 3124 rundll32.exe 2168 rundll32.exe 2168 rundll32.exe - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1452 EXCEL.EXE 1452 EXCEL.EXE 1452 EXCEL.EXE 1452 EXCEL.EXE 1452 EXCEL.EXE 1452 EXCEL.EXE 1452 EXCEL.EXE 1452 EXCEL.EXE 1452 EXCEL.EXE 1452 EXCEL.EXE 1452 EXCEL.EXE 1452 EXCEL.EXE - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1452 wrote to memory of 2656 1452 EXCEL.EXE 81 PID 1452 wrote to memory of 2656 1452 EXCEL.EXE 81 PID 1452 wrote to memory of 848 1452 EXCEL.EXE 82 PID 1452 wrote to memory of 848 1452 EXCEL.EXE 82 PID 1452 wrote to memory of 3532 1452 EXCEL.EXE 83 PID 1452 wrote to memory of 3532 1452 EXCEL.EXE 83 PID 1452 wrote to memory of 3124 1452 EXCEL.EXE 84 PID 1452 wrote to memory of 3124 1452 EXCEL.EXE 84 PID 1452 wrote to memory of 2168 1452 EXCEL.EXE 86 PID 1452 wrote to memory of 2168 1452 EXCEL.EXE 86
Processes
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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-253302845.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1452 -
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:2656
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-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:848
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-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:3532
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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:3124
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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:2168
-