e0031229c3118769a5be7350e8dcf28be286d9ce8af5300f0bcbe48063b6cb10

General

Target

document-1334286082.xls
Size

85KB
MD5

3d390ed85230e0993f11d6fd84c990cc
SHA1

40b5de3a13062d039449f556e88a93c9d913b581
SHA256

e2157c05ff4bdd302c712aaa759b2ec78b07e71499e0c56fb81de6a4a872547e
SHA512

57dfaafa395e39adb133fff592740c551ffd942bfe71e076baa5a701d1140abecf2b1336d010c11e3773006625e7ae7c54bdd48b524213c8dbe432696f8aeaa1

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	2576	3084	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

3084 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE
3084	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3084 wrote to memory of 2576	3084	EXCEL.EXE	rundll32.exe
PID 3084 wrote to memory of 2576	3084	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-1334286082.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3084
- C:\Windows\SYSTEM32\rundll32.exe
  rundll32 ..\IEUDLK.CJF,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2576

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/2576-7-0x0000000000000000-mapping.dmp

Download
memory/3084-2-0x00007FF8731B0000-0x00007FF8731C0000-memory.dmp

Filesize
64KB

Download
memory/3084-3-0x00007FF8731B0000-0x00007FF8731C0000-memory.dmp

Filesize
64KB

Download
memory/3084-4-0x00007FF8731B0000-0x00007FF8731C0000-memory.dmp

Filesize
64KB

Download
memory/3084-5-0x00007FF8731B0000-0x00007FF8731C0000-memory.dmp

Filesize
64KB

Download
memory/3084-6-0x00007FF896520000-0x00007FF896B57000-memory.dmp

Filesize
6.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads