Analysis
- max time kernel
139s - max time network
137s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 03:45
Static task
static1
Behavioral task
behavioral1
Sample
document-1359280025.xlsm
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1359280025.xlsm
Resource
win10v20201028
0 signatures
0 seconds
General
- Target document-1359280025.xlsm
- Size 105KB
- Sample210331-q8te2tatve
- SHA256 8aec18fd8fee2b06b499374b6a3cf4df3263a4fcd461cea3e67e34ef3ebe832f
- MD5 c79adebe34b783449b07a547d90a7d9e
- SHA1 50a138940a99e02647ad9cfde49f394952c28acd
- SHA512 9eb859c814377e37a3ec8ae5788dc94890913105763ea3223bf12517e9f3c4169051372b420d273634272cc9db3bb3b3bec89dbb1d27b7dceac314d236ea5f9e
- 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 3344 3116 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1620 3116 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2172 3116 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3348 3116 rundll32.exe 67 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1440 3116 rundll32.exe 67 - IcedID First Stage Loader 1 IoCs
resource yara_rule behavioral2/memory/3344-10-0x000002594EA60000-0x000002594EA67000-memory.dmp IcedidFirstLoader - Blocklisted process makes network request 6 IoCs
flow pid Process 47 3344 rundll32.exe 49 3344 rundll32.exe 50 3348 rundll32.exe 51 3348 rundll32.exe 52 1440 rundll32.exe 53 1440 rundll32.exe - Loads dropped DLL 3 IoCs
pid Process 3344 rundll32.exe 3348 rundll32.exe 1440 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 3116 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3344 rundll32.exe 3344 rundll32.exe 3348 rundll32.exe 3348 rundll32.exe 1440 rundll32.exe 1440 rundll32.exe - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3116 EXCEL.EXE 3116 EXCEL.EXE 3116 EXCEL.EXE 3116 EXCEL.EXE 3116 EXCEL.EXE 3116 EXCEL.EXE 3116 EXCEL.EXE 3116 EXCEL.EXE 3116 EXCEL.EXE 3116 EXCEL.EXE 3116 EXCEL.EXE 3116 EXCEL.EXE - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3116 wrote to memory of 3344 3116 EXCEL.EXE 80 PID 3116 wrote to memory of 3344 3116 EXCEL.EXE 80 PID 3116 wrote to memory of 1620 3116 EXCEL.EXE 82 PID 3116 wrote to memory of 1620 3116 EXCEL.EXE 82 PID 3116 wrote to memory of 2172 3116 EXCEL.EXE 83 PID 3116 wrote to memory of 2172 3116 EXCEL.EXE 83 PID 3116 wrote to memory of 3348 3116 EXCEL.EXE 84 PID 3116 wrote to memory of 3348 3116 EXCEL.EXE 84 PID 3116 wrote to memory of 1440 3116 EXCEL.EXE 85 PID 3116 wrote to memory of 1440 3116 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-1359280025.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3116 -
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:3344
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1620
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:2172
-
-
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:3348
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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:1440
-