37ac7f956381da1d531fa7fd074fe3b723d25800d32a2d9234fab38a55f8894d

Analysis

max time kernel
140s
max time network
140s
platform
windows10_x64
resource
win10v200430
submitted
09/07/2020, 10:17

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General

Target

37ac7f956381da1d531fa7fd074fe3b723d25800d32a2d9234fab38a55f8894d.doc
Size

147KB
MD5

a20080ebe47ebf852ae1aeab66f8b662
SHA1

8fd44fabab8b70f7cffb34165a58ac6cf19fda82
SHA256

37ac7f956381da1d531fa7fd074fe3b723d25800d32a2d9234fab38a55f8894d
SHA512

542725f37c96808b7d85dfc1bc21159e59cddd18fbd5e789df5eda8a9eda1b50410926104f9579203919875e9790878f1d5f09296e05ca5410a3f078126e9bce

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
860	WINWORD.EXE
860	WINWORD.EXE
860	WINWORD.EXE
860	WINWORD.EXE
860	WINWORD.EXE
860	WINWORD.EXE
860	WINWORD.EXE
860	WINWORD.EXE
860	WINWORD.EXE
860	WINWORD.EXE
860	WINWORD.EXE
860	WINWORD.EXE
860	WINWORD.EXE
860	WINWORD.EXE
860	WINWORD.EXE
860	WINWORD.EXE
860	WINWORD.EXE
860	WINWORD.EXE
860	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
860	WINWORD.EXE
860	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	3572	860	regsvr32.exe	67

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 3572	860	WINWORD.EXE	72
PID 860 wrote to memory of 3572	860	WINWORD.EXE	72

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\37ac7f956381da1d531fa7fd074fe3b723d25800d32a2d9234fab38a55f8894d.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:860
- C:\Windows\System32\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" EA.tmp
  2⤵
  - Process spawned unexpected child process
  PID:3572

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/860-0-0x0000017D60732000-0x0000017D60737000-memory.dmp

Filesize
20KB

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memory/860-1-0x0000017D60730000-0x0000017D60732000-memory.dmp

Filesize
8KB

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memory/860-2-0x0000017D60732000-0x0000017D60737000-memory.dmp

Filesize
20KB

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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