Analysis
- max time kernel
137s - max time network
128s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 03:40
Static task
static1
Behavioral task
behavioral1
Sample
document-364877302.xlsm
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-364877302.xlsm
Resource
win10v20201028
0 signatures
0 seconds
General
- Target document-364877302.xlsm
- Size 105KB
- Sample210331-8pv28velnj
- SHA256 43166be23a0f4bcaaf6b8e36e97456d38babbde5cba0aa286dc3ac1bd6f1f2cb
- MD5 ba6ff712fe8f0acb20b957189b46fb7f
- SHA1 368c2cf39c4d294d8d924553f2a908be6e73145c
- SHA512 4be5b5ef1498a1070c22345cac955f11a808da6db2775b30a3a28d1eb344163a8abafcadb500dd6500b6153c10e060182e1d56c61cb918af36a50564904adcae
- 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 3676 1192 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3564 1192 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1684 1192 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1532 1192 rundll32.exe 68 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3504 1192 rundll32.exe 68 - IcedID First Stage Loader 1 IoCs
resource yara_rule behavioral2/memory/3676-10-0x000002C168B20000-0x000002C168B27000-memory.dmp IcedidFirstLoader - Blocklisted process makes network request 6 IoCs
flow pid Process 39 3676 rundll32.exe 41 3676 rundll32.exe 43 1532 rundll32.exe 44 1532 rundll32.exe 48 3504 rundll32.exe 49 3504 rundll32.exe - Loads dropped DLL 3 IoCs
pid Process 3676 rundll32.exe 1532 rundll32.exe 3504 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 6 IoCs
pid Process 3676 rundll32.exe 3676 rundll32.exe 1532 rundll32.exe 1532 rundll32.exe 3504 rundll32.exe 3504 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 3676 1192 EXCEL.EXE 81 PID 1192 wrote to memory of 3676 1192 EXCEL.EXE 81 PID 1192 wrote to memory of 3564 1192 EXCEL.EXE 83 PID 1192 wrote to memory of 3564 1192 EXCEL.EXE 83 PID 1192 wrote to memory of 1684 1192 EXCEL.EXE 84 PID 1192 wrote to memory of 1684 1192 EXCEL.EXE 84 PID 1192 wrote to memory of 1532 1192 EXCEL.EXE 85 PID 1192 wrote to memory of 1532 1192 EXCEL.EXE 85 PID 1192 wrote to memory of 3504 1192 EXCEL.EXE 86 PID 1192 wrote to memory of 3504 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-364877302.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:3676
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd1,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:3564
-
-
C:\Windows\SYSTEM32\rundll32.exerundll32 ..\ksjvoefv.skd2,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1684
-
-
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:1532
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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:3504
-