ed60103a8a1837ed4691670a5307539ec832cf3ad076d6afe3bbf06c84ad4511

General

Target

15eb68a65e9ac7367a6e6bdf51eee30a.rtf
Size

229KB
MD5

15eb68a65e9ac7367a6e6bdf51eee30a
SHA1

d988bf603a28bcb2c031f00101ee83509c0bce1b
SHA256

ed60103a8a1837ed4691670a5307539ec832cf3ad076d6afe3bbf06c84ad4511
SHA512

e86382cc89ac3d79551b2721dc44cfcb987d73151bb539a2436123f5863c1f57c902ac348be494322ff25cfb8628354df9e8f7cdac71ef605ca8a70172c5924b
SSDEEP

1536:iqW7qA4b645VTDuhrNnlwrnEYo9V2A0RowKxvVCpBdzFz76mAg5eeVhMDw5wfLT:iqW7qA4b645wvrgBdzFtr5RDAw5wfv

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	4512	4888	FLTLDR.EXE	86

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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-40852347-328828203-3563668263-1346741226-935268658-2492877472-2322878957\DisplayName = "OICE_16_974FA576_32C1D314_E5C"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-40852347-328828203-3563668263-1346741226-935268658-2492877472-2322878957\Moniker = "oice_16_974fa576_32c1d314_e5c"	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-635608581-3370340891-292606865-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-40852347-328828203-3563668263-1346741226-935268658-2492877472-2322878957\Children	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-635608581-3370340891-292606865-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_e5c	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-635608581-3370340891-292606865-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_e5c\Children	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-635608581-3370340891-292606865-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-40852347-328828203-3563668263-1346741226-935268658-2492877472-2322878957	WINWORD.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{F9322641-56BA-4B6A-B958-6476FA35227C}\abdtfhghgdghghœ.ScT:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
4888	WINWORD.EXE
4888	WINWORD.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4888	WINWORD.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4888	WINWORD.EXE
4888	WINWORD.EXE
4888	WINWORD.EXE
4888	WINWORD.EXE
4888	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4888 wrote to memory of 4512	4888	WINWORD.EXE	94
PID 4888 wrote to memory of 4512	4888	WINWORD.EXE	94

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\15eb68a65e9ac7367a6e6bdf51eee30a.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4888
- 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:4512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Replay Monitor

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Downloads

memory/4512-20-0x00007FFC277F0000-0x00007FFC279E5000-memory.dmp

Filesize
2.0MB

Download
memory/4512-22-0x00007FFBE7870000-0x00007FFBE7880000-memory.dmp

Filesize
64KB

Download
memory/4512-21-0x00007FFC24F10000-0x00007FFC251D9000-memory.dmp

Filesize
2.8MB

Download
memory/4888-10-0x00007FFBE5390000-0x00007FFBE53A0000-memory.dmp

Filesize
64KB

Download
memory/4888-3-0x00007FFC277F0000-0x00007FFC279E5000-memory.dmp

Filesize
2.0MB

Download
memory/4888-5-0x00007FFBE7870000-0x00007FFBE7880000-memory.dmp

Filesize
64KB

Download
memory/4888-6-0x00007FFBE7870000-0x00007FFBE7880000-memory.dmp

Filesize
64KB

Download
memory/4888-7-0x00007FFC277F0000-0x00007FFC279E5000-memory.dmp

Filesize
2.0MB

Download
memory/4888-8-0x00007FFC277F0000-0x00007FFC279E5000-memory.dmp

Filesize
2.0MB

Download
memory/4888-9-0x00007FFBE5390000-0x00007FFBE53A0000-memory.dmp

Filesize
64KB

Download
memory/4888-0-0x00007FFBE7870000-0x00007FFBE7880000-memory.dmp

Filesize
64KB

Download
memory/4888-2-0x00007FFBE7870000-0x00007FFBE7880000-memory.dmp

Filesize
64KB

Download
memory/4888-4-0x00007FFC277F0000-0x00007FFC279E5000-memory.dmp

Filesize
2.0MB

Download
memory/4888-1-0x00007FFBE7870000-0x00007FFBE7880000-memory.dmp

Filesize
64KB

Download
memory/4888-26-0x00007FFC277F0000-0x00007FFC279E5000-memory.dmp

Filesize
2.0MB

Download
memory/4888-27-0x00007FFC277F0000-0x00007FFC279E5000-memory.dmp

Filesize
2.0MB

Download
memory/4888-28-0x00007FFC277F0000-0x00007FFC279E5000-memory.dmp

Filesize
2.0MB

Download
memory/4888-29-0x00007FFC277F0000-0x00007FFC279E5000-memory.dmp

Filesize
2.0MB

Download
memory/4888-31-0x00007FFC277F0000-0x00007FFC279E5000-memory.dmp

Filesize
2.0MB

Download
memory/4888-30-0x00007FFC277F0000-0x00007FFC279E5000-memory.dmp

Filesize
2.0MB

Download
memory/4888-32-0x00007FFC277F0000-0x00007FFC279E5000-memory.dmp

Filesize
2.0MB

Download
memory/4888-33-0x00007FFC277F0000-0x00007FFC279E5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads