0366e6f59f94651e2db05a2275584a1fe93f992d937e9666fbec60d78edc6f85

General

Target

Picture 2.doc
Size

662KB
MD5

34e3b4a75f2f6a7a7b11296ff6dba01f
SHA1

d10d95285be5981172a1ffc67d4cf1e7ef57e412
SHA256

0366e6f59f94651e2db05a2275584a1fe93f992d937e9666fbec60d78edc6f85
SHA512

b1b013e9d77b27b8b62fe9c04477eec79814330014fd7c9e724d6081bb14500eb207af678bbd86e75c500621d28d1214c23acf696c4aabd4090446ec492c22e1

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:

FLTLDR.EXE

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	2872	3892	FLTLDR.EXE	WINWORD.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:

WINWORD.EXE

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

Processes:

WINWORD.EXE

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

Processes:

WINWORD.EXE

description	ioc	process
Key created	\Registry\User\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2bbb	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_CLASSES\LOCAL SETTINGS\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\APPCONTAINER\STORAGE\OICE_16_974FA576_32C1D314_2BBB\CHILDREN	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-232506037-1244059150-1756620264-299089780-3861024545-3731963236-2794410098	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-232506037-1244059150-1756620264-299089780-3861024545-3731963236-2794410098	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-232506037-1244059150-1756620264-299089780-3861024545-3731963236-2794410098\DisplayName = "OICE_16_974FA576_32C1D314_2BBB"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-232506037-1244059150-1756620264-299089780-3861024545-3731963236-2794410098\Moniker = "oice_16_974fa576_32c1d314_2bbb"	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-232506037-1244059150-1756620264-299089780-3861024545-3731963236-2794410098\Children	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2bbb\Children	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2bbb	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_CLASSES\LOCAL SETTINGS\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\APPCONTAINER\MAPPINGS\S-1-15-2-232506037-1244059150-1756620264-299089780-3861024545-3731963236-2794410098\CHILDREN	WINWORD.EXE

NTFS ADS 1 IoCs

Processes:

WINWORD.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{E7593ACF-F072-4EE9-A22F-1C3C3BB7E83D}\abdtfhghgdghghœ.ScT:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3892 WINWORD.EXE
3892 WINWORD.EXE

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

WINWORD.EXE

pid	process
3892	WINWORD.EXE
3892	WINWORD.EXE
3892	WINWORD.EXE
3892	WINWORD.EXE
3892	WINWORD.EXE
3892	WINWORD.EXE
3892	WINWORD.EXE
3892	WINWORD.EXE
3892	WINWORD.EXE
3892	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 3892 wrote to memory of 2872	3892	WINWORD.EXE	FLTLDR.EXE
PID 3892 wrote to memory of 2872	3892	WINWORD.EXE	FLTLDR.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\Picture 2.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:3892

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:2872

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Packages\oice_16_974fa576_32c1d314_2bbb\AC\Temp\FL8FB3.tmp
MD5
a38566ede572e94002d164e47232ccd9

SHA1
5dfc5b99014e03b1830ebe9bcdcb021986f379b0

SHA256
a59d41ef4f346691f0f81d1e5b5f50d7423e94d094fe7435befc23fcfe2e79b4

SHA512
c98041f4bafcd41b3123b8997d2427fb452672fbdb7126a3814c6fdf0e4c2456e622dab0cf66d4b6c60e7ed4af15fa34292c8ed0b0179f9ea967adca6d09b6b2

Download Submit
memory/2872-322-0x0000000000000000-mapping.dmp

Download
memory/2872-345-0x00007FFDF5C60000-0x00007FFDF5C70000-memory.dmp

Filesize
64KB

Download
memory/2872-343-0x00007FFDF5C60000-0x00007FFDF5C70000-memory.dmp

Filesize
64KB

Download
memory/2872-340-0x00007FFDF5C60000-0x00007FFDF5C70000-memory.dmp

Filesize
64KB

Download
memory/2872-337-0x00007FFDF5C60000-0x00007FFDF5C70000-memory.dmp

Filesize
64KB

Download
memory/3892-117-0x00007FFDF5C60000-0x00007FFDF5C70000-memory.dmp

Filesize
64KB

Download
memory/3892-123-0x00007FFE0EEB0000-0x00007FFE10DA5000-memory.dmp

Filesize
31.0MB

Download
memory/3892-122-0x00007FFE12560000-0x00007FFE1364E000-memory.dmp

Filesize
16.9MB

Download
memory/3892-118-0x00007FFE17710000-0x00007FFE1A233000-memory.dmp

Filesize
43.1MB

Download
memory/3892-119-0x00007FFDF5C60000-0x00007FFDF5C70000-memory.dmp

Filesize
64KB

Download
memory/3892-114-0x00007FFDF5C60000-0x00007FFDF5C70000-memory.dmp

Filesize
64KB

Download
memory/3892-116-0x00007FFDF5C60000-0x00007FFDF5C70000-memory.dmp

Filesize
64KB

Download
memory/3892-115-0x00007FFDF5C60000-0x00007FFDF5C70000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads