e232af703af0b3b3482f5b9db846d1ec384c66a44eaee37800efa34cebc2eb0b

General

Target
c2a61d6d3fa906094001fd0daac9f1c6.doc
Size 253KB
Sample201109-dhaefjaaf6
SHA256 e232af703af0b3b3482f5b9db846d1ec384c66a44eaee37800efa34cebc2eb0b
MD5 c2a61d6d3fa906094001fd0daac9f1c6
SHA1 201102032864e0bf415601db5a259f7c6c8e5f88
SHA512 8fd87266c17538ab28f1a0a0454706c5829e967b26b87af2aeb45067aa0bf4ed4d73fdc71f10e8c807a553b518c83fb522ae3db7f1797232ba19ed5f47fc46ea
MD5 SHA1 SHA512

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.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	3828	500	FLTLDR.EXE	67

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

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

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-3181057540-1029634285-1219481377-527319758-57250286-3753805353-3896742976	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-3181057540-1029634285-1219481377-527319758-57250286-3753805353-3896742976\Moniker = "oice_16_974fa576_32c1d314_2a50"	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2a50\Children	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-3181057540-1029634285-1219481377-527319758-57250286-3753805353-3896742976	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-3181057540-1029634285-1219481377-527319758-57250286-3753805353-3896742976\DisplayName = "OICE_16_974FA576_32C1D314_2A50"	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-3181057540-1029634285-1219481377-527319758-57250286-3753805353-3896742976\Children	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2a50	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2a50\Children	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2a50	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-3181057540-1029634285-1219481377-527319758-57250286-3753805353-3896742976\Children	WINWORD.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{4EB88907-00A7-4B90-B306-0FD42E21E979}\AbctfhghghghghŒ.scT:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
500	WINWORD.EXE
500	WINWORD.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
500	WINWORD.EXE
500	WINWORD.EXE
500	WINWORD.EXE
500	WINWORD.EXE
500	WINWORD.EXE
500	WINWORD.EXE
500	WINWORD.EXE
500	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 500 wrote to memory of 3828	500	WINWORD.EXE	75
PID 500 wrote to memory of 3828	500	WINWORD.EXE	75

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\c2a61d6d3fa906094001fd0daac9f1c6.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:500
- C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE
  "C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE" C:\Program Files\Common Files\Microsoft Shared\GRPHFLT\PNG32.FLT
  2⤵
  - Process spawned unexpected child process
  PID:3828

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/500-0-0x0000019A8B8C0000-0x0000019A8BEF7000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads