5b9012a5dad551ec577616f0807525036f7885b92ed6fcf937351b56fb521e90

Analysis

max time kernel
140s
max time network
135s
platform
windows10_x64
resource
win10v200430
submitted
09/07/2020, 15:07

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General

Target

5b9012a5dad551ec577616f0807525036f7885b92ed6fcf937351b56fb521e90.doc
Size

147KB
MD5

749f76fb5a2c9d43e1d46c17b906cd86
SHA1

12e473b36f4b4e06449ae9fe34c83b8db20f1b00
SHA256

5b9012a5dad551ec577616f0807525036f7885b92ed6fcf937351b56fb521e90
SHA512

033418c373d6b784e7f79dfd0ea54b26a6954d77db7906fdb0aff3e76a02e8b638922bbdaabcc0c06a05dbae827ca17841cab834ca57a62c576d8de310b62e73

Score

10^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Suspicious use of SetWindowsHookEx 19 IoCs

pid	Process
2908	WINWORD.EXE
2908	WINWORD.EXE
2908	WINWORD.EXE
2908	WINWORD.EXE
2908	WINWORD.EXE
2908	WINWORD.EXE
2908	WINWORD.EXE
2908	WINWORD.EXE
2908	WINWORD.EXE
2908	WINWORD.EXE
2908	WINWORD.EXE
2908	WINWORD.EXE
2908	WINWORD.EXE
2908	WINWORD.EXE
2908	WINWORD.EXE
2908	WINWORD.EXE
2908	WINWORD.EXE
2908	WINWORD.EXE
2908	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2908	WINWORD.EXE
2908	WINWORD.EXE

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\WINWORD.EXE is not expected to spawn this process	3904	2908	regsvr32.exe	66

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 3904	2908	WINWORD.EXE	71
PID 2908 wrote to memory of 3904	2908	WINWORD.EXE	71

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\5b9012a5dad551ec577616f0807525036f7885b92ed6fcf937351b56fb521e90.doc" /o ""
1⤵
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
- Checks processor information in registry
PID:2908
- C:\Windows\System32\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" ww.tmp
  2⤵
  - Process spawned unexpected child process
  PID:3904

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2908-0-0x00000186CA5A7000-0x00000186CA5AC000-memory.dmp

Filesize
20KB

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memory/2908-1-0x00000186CA5A6000-0x00000186CA5A7000-memory.dmp

Filesize
4KB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads