dca218e59e43481f87fbd14b198d42e4617a8b67a4d9e1baf6d9f46786c8cb62

General

Target

document-1466263755.xls
Size

138KB
MD5

6c87d721511475212b2aeda5636e34e8
SHA1

08c219a973dbc94e64a4587c7881a8fb60e6ac54
SHA256

dca218e59e43481f87fbd14b198d42e4617a8b67a4d9e1baf6d9f46786c8cb62
SHA512

8066761dd396dced3eb57d140f13f03050872e9be313fa84926f5b77ff3d2e1de02c40805e8de31b557c35406fec5c52c36411b0d7ee228dd6862f862606dd2d

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	732	1908	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

1908 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 1908 wrote to memory of 732 1908 EXCEL.EXE rundll32.exe
PID 1908 wrote to memory of 732 1908 EXCEL.EXE rundll32.exe

description	pid	process	target process
PID 1908 wrote to memory of 732	1908	EXCEL.EXE	rundll32.exe
PID 1908 wrote to memory of 732	1908	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\document-1466263755.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\SYSTEM32\rundll32.exe
rundll32 ..\zfbfg.ere,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:732

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/732-7-0x0000000000000000-mapping.dmp

Download
memory/1908-2-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmp

Filesize
64KB

Download
memory/1908-3-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmp

Filesize
64KB

Download
memory/1908-4-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmp

Filesize
64KB

Download
memory/1908-5-0x00007FFCA1FA0000-0x00007FFCA25D7000-memory.dmp

Filesize
6.2MB

Download
memory/1908-6-0x00007FFC7E0E0000-0x00007FFC7E0F0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads