Analysis
- max time kernel
110s - max time network
133s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
12/01/2022, 16:23
Static task
static1
Behavioral task
behavioral1
Sample
DH-1641992615.xll
Resource
win7-en-20211208
0 signatures
0 seconds
General
- Target DH-1641992615.xll
- Size 71KB
- Sample220112-tvsrxadcfk
- SHA256 b853d281151ac67a443266a399b3a8ccc427d998619b688916a59f3a5a2ada72
- MD5 6ff89faecd175d42350061c37f882cad
- SHA1 9d6a4702bb1fbcc8cb347114b34fab3d1d34f6a0
- SHA512 25c52c46b454e2f582caa70c1efa0ece8533c90058b2e5106d2c57becb58465a1e0994c85969e922864cf5fc440b25ef1f2ec412fd5f709bd142ae3f74609454
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
icedid
Campaign
-
480946516
C2
-
olerantand.top
Signatures
- Process spawned unexpected child process 1 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 3260 2836 rundll32.exe 67 - suricata: ET MALWARE Win32/IcedID Request Cookie
suricata: ET MALWARE Win32/IcedID Request Cookie
- Blocklisted process makes network request 2 IoCs
flow pid Process 37 3260 rundll32.exe 39 3260 rundll32.exe - Loads dropped DLL 3 IoCs
pid Process 2836 EXCEL.EXE 2836 EXCEL.EXE 3260 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 2836 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3260 rundll32.exe 3260 rundll32.exe - Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2836 EXCEL.EXE 2836 EXCEL.EXE 2836 EXCEL.EXE 2836 EXCEL.EXE 2836 EXCEL.EXE 2836 EXCEL.EXE 2836 EXCEL.EXE 2836 EXCEL.EXE - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2836 wrote to memory of 3260 2836 EXCEL.EXE 71 PID 2836 wrote to memory of 3260 2836 EXCEL.EXE 71
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\DH-1641992615.xll"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2836 -
C:\Windows\SYSTEM32\rundll32.exerundll32 C:\Users\Admin\JavaClassObjectCz.dll , DllGetClassObject2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:3260
-