c4c0e1c9cf131ff19df5639724adf433719a366c20f16d9877c138d66a7c7511

General

Target

case__2047957710_1821727276.xls
Size

124KB
MD5

e1d6e182d1504f19e1fdf05d9fa9d319
SHA1

131d83c1228f2965b4f696bd6ca22f152412b1fc
SHA256

c4c0e1c9cf131ff19df5639724adf433719a366c20f16d9877c138d66a7c7511
SHA512

99734678cec33a0477df47ec5a3454ba290153ed4fe414285753b24ea187655a23f93fffd65e801e6f20600efad5357555032bccb0aab8db8ed646561e88f41c

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2112	3116	rundll32.exe	EXCEL.EXE

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

pid process

3116 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

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 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3116 wrote to memory of 2112	3116	EXCEL.EXE	rundll32.exe
PID 3116 wrote to memory of 2112	3116	EXCEL.EXE	rundll32.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\case__2047957710_1821727276.xls"
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.exe
rundll32 ..\svh.osts,DllRegisterServer1
2⤵
- Process spawned unexpected child process
PID:2112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2112-7-0x0000000000000000-mapping.dmp

Download
memory/3116-2-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp

Filesize
64KB

Download
memory/3116-3-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp

Filesize
64KB

Download
memory/3116-4-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp

Filesize
64KB

Download
memory/3116-5-0x00007FF7FC7D0000-0x00007FF7FC7E0000-memory.dmp

Filesize
64KB

Download
memory/3116-6-0x00007FF81FAA0000-0x00007FF8200D7000-memory.dmp

Filesize
6.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads