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	3920	4012	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE

Modifies registry class 10 IoCs

Processes:

WINWORD.EXE

description	ioc	process
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_1512\Children	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1519762948-2520524198-3206211071-4233552293-1587563350-3018273656-3170253846	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-1-15-2-1519762948-2520524198-3206211071-4233552293-1587563350-3018273656-3170253846\DisplayName = "OICE_16_974FA576_32C1D314_1512"	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_1512	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_1512\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_1512	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1519762948-2520524198-3206211071-4233552293-1587563350-3018273656-3170253846\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-1-15-2-1519762948-2520524198-3206211071-4233552293-1587563350-3018273656-3170253846	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-1-15-2-1519762948-2520524198-3206211071-4233552293-1587563350-3018273656-3170253846\Moniker = "oice_16_974fa576_32c1d314_1512"	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-1519762948-2520524198-3206211071-4233552293-1587563350-3018273656-3170253846\Children	WINWORD.EXE

NTFS ADS 1 IoCs

Processes:

WINWORD.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{FA51E909-5FEC-40BA-95D0-A81574ACC398}\abdtfhghgdghghœ.ScT:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4012 WINWORD.EXE
4012 WINWORD.EXE

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

WINWORD.EXE

pid	process
4012	WINWORD.EXE
4012	WINWORD.EXE
4012	WINWORD.EXE
4012	WINWORD.EXE
4012	WINWORD.EXE
4012	WINWORD.EXE
4012	WINWORD.EXE
4012	WINWORD.EXE
4012	WINWORD.EXE
4012	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 4012 wrote to memory of 3920	4012	WINWORD.EXE	FLTLDR.EXE
PID 4012 wrote to memory of 3920	4012	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:4012

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:3920

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_1512\AC\Temp\FL4C03.tmp
MD5
eed3bc77390bac125841facb31cd0fb1

SHA1
06a0b4ab6bc82d6388ec6d9a8d48a87e3eef9f95

SHA256
a25c19c82e4d5ffdb8294edcb2270096b15941c97408796542dd05fbde9e1d4e

SHA512
b3db4f2ac7bc6282e571946f48fa85458791f5a84dbf935f70513bc22e613ea8a898b90a950242aae3f34b257f91683cc03807305c1446bf8dd6f95ad8c52a9f

Download Submit
memory/3920-323-0x0000000000000000-mapping.dmp

Download
memory/3920-363-0x00007FFF77040000-0x00007FFF77050000-memory.dmp

Filesize
64KB

Download
memory/3920-345-0x00007FFF77040000-0x00007FFF77050000-memory.dmp

Filesize
64KB

Download
memory/3920-341-0x00007FFF77040000-0x00007FFF77050000-memory.dmp

Filesize
64KB

Download
memory/3920-337-0x00007FFF77040000-0x00007FFF77050000-memory.dmp

Filesize
64KB

Download
memory/4012-117-0x00007FFF77040000-0x00007FFF77050000-memory.dmp

Filesize
64KB

Download
memory/4012-123-0x00007FFF90A80000-0x00007FFF92975000-memory.dmp

Filesize
31.0MB

Download
memory/4012-122-0x00007FFF92A50000-0x00007FFF93B3E000-memory.dmp

Filesize
16.9MB

Download
memory/4012-119-0x00007FFF77040000-0x00007FFF77050000-memory.dmp

Filesize
64KB

Download
memory/4012-118-0x00007FFF98830000-0x00007FFF9B353000-memory.dmp

Filesize
43.1MB

Download
memory/4012-114-0x00007FFF77040000-0x00007FFF77050000-memory.dmp

Filesize
64KB

Download
memory/4012-116-0x00007FFF77040000-0x00007FFF77050000-memory.dmp

Filesize
64KB

Download
memory/4012-115-0x00007FFF77040000-0x00007FFF77050000-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