8ac32b7faa79aabd51156f6503e624a53ee5d355d602784273376ad45e7dbdbf

General

Target

Order 200234#.doc
Size

295KB
MD5

452e11d23c80550a45b6a498bac85733
SHA1

1b1355594eecbfad9803e771bedefedf96ecceee
SHA256

8ac32b7faa79aabd51156f6503e624a53ee5d355d602784273376ad45e7dbdbf
SHA512

fcf7955fe9b6e84e6361a2e0beca3bce9a64d7f413c8629a877e37da016144c4c886ecbf0d61586233aecb15f9215ac0378fc5349ed127465904658af1a3f3a5

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	1004	808	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-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-727268788-3365045753-1979644372-2053863122-3636766896-1962560688-2176758856	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-727268788-3365045753-1979644372-2053863122-3636766896-1962560688-2176758856\DisplayName = "OICE_16_974FA576_32C1D314_F6D"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-727268788-3365045753-1979644372-2053863122-3636766896-1962560688-2176758856\Moniker = "oice_16_974fa576_32c1d314_f6d"	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-727268788-3365045753-1979644372-2053863122-3636766896-1962560688-2176758856\Children	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_f6d	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_f6d\Children	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_CLASSES\LOCAL SETTINGS\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\APPCONTAINER\STORAGE\OICE_16_974FA576_32C1D314_F6D\CHILDREN	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_f6d	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_CLASSES\LOCAL SETTINGS\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\APPCONTAINER\MAPPINGS\S-1-15-2-727268788-3365045753-1979644372-2053863122-3636766896-1962560688-2176758856\CHILDREN	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-727268788-3365045753-1979644372-2053863122-3636766896-1962560688-2176758856	WINWORD.EXE

NTFS ADS 1 IoCs

Processes:

WINWORD.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{BEFAC0F0-8536-48B7-9246-9974BD4A0FC2}\Abctfhghgdghgh‹.scT:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

808 WINWORD.EXE
808 WINWORD.EXE

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

WINWORD.EXE

pid	process
808	WINWORD.EXE
808	WINWORD.EXE
808	WINWORD.EXE
808	WINWORD.EXE
808	WINWORD.EXE
808	WINWORD.EXE
808	WINWORD.EXE
808	WINWORD.EXE
808	WINWORD.EXE
808	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description pid process target process

PID 808 wrote to memory of 1004 808 WINWORD.EXE FLTLDR.EXE
PID 808 wrote to memory of 1004 808 WINWORD.EXE FLTLDR.EXE

description	pid	process	target process
PID 808 wrote to memory of 1004	808	WINWORD.EXE	FLTLDR.EXE
PID 808 wrote to memory of 1004	808	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\Order 200234#.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:808

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:1004

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Packages\oice_16_974fa576_32c1d314_f6d\AC\Temp\FLA4F0.tmp
MD5
b5ab81f33edc82df6ccb0ef930e6a109

SHA1
cbaccef76b586aadf62036689a1e90ac158a3750

SHA256
dbcf1b09721792bdfa999d0d21b9c03462721f672e35b2e5532ac23839c46c3f

SHA512
2d8f98e632650e192b5787948301e5a12c7af1c56edaf8680c015975c2867283de9dd3bd217860249d2f057fe56b9a70485f0e65da862e2bea045fd9403164b4

Download Submit
memory/808-114-0x00007FFA59300000-0x00007FFA59310000-memory.dmp

Filesize
64KB

Download
memory/808-115-0x00007FFA59300000-0x00007FFA59310000-memory.dmp

Filesize
64KB

Download
memory/808-116-0x00007FFA59300000-0x00007FFA59310000-memory.dmp

Filesize
64KB

Download
memory/808-117-0x00007FFA59300000-0x00007FFA59310000-memory.dmp

Filesize
64KB

Download
memory/808-119-0x00007FFA59300000-0x00007FFA59310000-memory.dmp

Filesize
64KB

Download
memory/808-118-0x00007FFA7A3A0000-0x00007FFA7CEC3000-memory.dmp

Filesize
43.1MB

Download
memory/808-122-0x00007FFA74700000-0x00007FFA757EE000-memory.dmp

Filesize
16.9MB

Download
memory/808-123-0x00007FFA72800000-0x00007FFA746F5000-memory.dmp

Filesize
31.0MB

Download
memory/1004-179-0x0000000000000000-mapping.dmp

Download
memory/1004-181-0x00007FFA59300000-0x00007FFA59310000-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