Analysis
- max time kernel
136s - max time network
130s - platform
windows10_x64 - resource
win10v20201028 - submitted
01/04/2021, 17:14
Static task
static1
Behavioral task
behavioral1
Sample
3302.xlsm
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
3302.xlsm
Resource
win10v20201028
0 signatures
0 seconds
General
- Target 3302.xlsm
- Size 84KB
- Sample210401-7qv3zphaa6
- SHA256 2b308aeddfa8a4b35fc6f1a61cad18b03b4cb832e4f3b42d455718bf9ed40209
- MD5 c5f0d70ddeb0cdfe6cff2652b5bbd9ec
- SHA1 254fb4f6023460d708511725069cd8e5bd0d1d9a
- SHA512 812bc7b6e247b8cb50fe9d42d92f240c4df4c1885b538825f167561397d875672afaffed797c6610ee20225eba2ce52c20714921c432af5494481f0774ca0857
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
icedid
Campaign
-
3616463248
C2
-
tvorartificialnature.xyz
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 2196 1192 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 212 1192 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3508 1192 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3640 1192 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 560 1192 rundll32.exe 68 - IcedID First Stage Loader 1 IoCs
resource yara_rule behavioral2/memory/3508-12-0x000001AC1A050000-0x000001AC1A057000-memory.dmp IcedidFirstLoader - Blocklisted process makes network request 2 IoCs
flow pid Process 43 3508 rundll32.exe 45 3508 rundll32.exe - Loads dropped DLL 1 IoCs
pid Process 3508 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 1192 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3508 rundll32.exe 3508 rundll32.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1192 EXCEL.EXE 1192 EXCEL.EXE - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1192 EXCEL.EXE 1192 EXCEL.EXE 1192 EXCEL.EXE 1192 EXCEL.EXE 1192 EXCEL.EXE 1192 EXCEL.EXE 1192 EXCEL.EXE 1192 EXCEL.EXE 1192 EXCEL.EXE 1192 EXCEL.EXE 1192 EXCEL.EXE 1192 EXCEL.EXE - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1192 wrote to memory of 2196 1192 EXCEL.EXE 81 PID 1192 wrote to memory of 2196 1192 EXCEL.EXE 81 PID 1192 wrote to memory of 212 1192 EXCEL.EXE 82 PID 1192 wrote to memory of 212 1192 EXCEL.EXE 82 PID 1192 wrote to memory of 3508 1192 EXCEL.EXE 84 PID 1192 wrote to memory of 3508 1192 EXCEL.EXE 84 PID 1192 wrote to memory of 3640 1192 EXCEL.EXE 85 PID 1192 wrote to memory of 3640 1192 EXCEL.EXE 85 PID 1192 wrote to memory of 560 1192 EXCEL.EXE 86 PID 1192 wrote to memory of 560 1192 EXCEL.EXE 86
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\3302.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1192 -
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\iekdhfe.dsk,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:2196
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\iekdhfe.dsk1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:212
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\iekdhfe.dsk2,DllRegisterServer2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:3508
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\iekdhfe.dsk3,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:3640
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\iekdhfe.dsk4,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:560
-