Analysis
- max time kernel
136s - max time network
127s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 03:39
Static task
static1
Behavioral task
behavioral1
Sample
document-1369672464.xlsm
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1369672464.xlsm
Resource
win10v20201028
0 signatures
0 seconds
General
- Target document-1369672464.xlsm
- Size 105KB
- Sample210331-eqcacayr46
- SHA256 109dba483803d41b9e9ca8d9af90c7ca9cb106ddccf4901ef174bae019d93cd3
- MD5 b95cced3d52fb321d4ac129f07748e0a
- SHA1 ed2e24d22c6b03954c02f6422bb097d2e4b1973b
- SHA512 8c97467937807c0a2705fc55ac84aa9a91199940658fc03c13e768d6f5bb58b6661e6349323c36bd54060bfbf32e135bec5a5a92693e585f0f6c8e4ae3a45ef3
- 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 696 1192 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2128 1192 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3720 1192 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3684 1192 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1484 1192 rundll32.exe 68 - IcedID First Stage Loader 1 IoCs
resource yara_rule behavioral2/memory/696-10-0x000002021DD20000-0x000002021DD27000-memory.dmp IcedidFirstLoader - Blocklisted process makes network request 6 IoCs
flow pid Process 38 696 rundll32.exe 40 696 rundll32.exe 41 3684 rundll32.exe 42 3684 rundll32.exe 47 1484 rundll32.exe 48 1484 rundll32.exe - Loads dropped DLL 3 IoCs
pid Process 696 rundll32.exe 3684 rundll32.exe 1484 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 1192 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 696 rundll32.exe 696 rundll32.exe 3684 rundll32.exe 3684 rundll32.exe 1484 rundll32.exe 1484 rundll32.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 696 1192 EXCEL.EXE 81 PID 1192 wrote to memory of 696 1192 EXCEL.EXE 81 PID 1192 wrote to memory of 2128 1192 EXCEL.EXE 83 PID 1192 wrote to memory of 2128 1192 EXCEL.EXE 83 PID 1192 wrote to memory of 3720 1192 EXCEL.EXE 84 PID 1192 wrote to memory of 3720 1192 EXCEL.EXE 84 PID 1192 wrote to memory of 3684 1192 EXCEL.EXE 85 PID 1192 wrote to memory of 3684 1192 EXCEL.EXE 85 PID 1192 wrote to memory of 1484 1192 EXCEL.EXE 86 PID 1192 wrote to memory of 1484 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\document-1369672464.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1192 -
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:696
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:2128
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:3720
-
-
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:3684
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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:1484
-