2716bdd86f5e2a5364c1dd061a36270bf8eade4838e0e0e08677093bc0b8d910

General

Target

img_Bestelling 0020211015.doc
Size

422KB
MD5

115cb391afa5ed68f040ec69b00c84c1
SHA1

319cea32abbb8ef0a55fff174dafdea4d3a7b0c7
SHA256

2716bdd86f5e2a5364c1dd061a36270bf8eade4838e0e0e08677093bc0b8d910
SHA512

077c977bd8e08579e9f2f85b7077dbe869b1ac0359d40d463b0a7dda28b0a297222e44386b62fff4b04367513286e8fe755352cca59d1c2ce78e306b310e7879

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	2204	1500	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 created	\Registry\User\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2b75\Children	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2b75	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-485084418-2124171781-183120468-3564934077-2520374774-1725555617-2896666088	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2b75	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-485084418-2124171781-183120468-3564934077-2520374774-1725555617-2896666088\Children	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_2b75\Children	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-485084418-2124171781-183120468-3564934077-2520374774-1725555617-2896666088\Children	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-485084418-2124171781-183120468-3564934077-2520374774-1725555617-2896666088	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-485084418-2124171781-183120468-3564934077-2520374774-1725555617-2896666088\DisplayName = "OICE_16_974FA576_32C1D314_2B75"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-485084418-2124171781-183120468-3564934077-2520374774-1725555617-2896666088\Moniker = "oice_16_974fa576_32c1d314_2b75"	WINWORD.EXE

NTFS ADS 1 IoCs

Processes:

WINWORD.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{75945C3A-9CF4-4987-A7A9-0147097444D1}\abdtfhghgeghDhž.ScT:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1500 WINWORD.EXE
1500 WINWORD.EXE

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

WINWORD.EXE

pid	process
1500	WINWORD.EXE
1500	WINWORD.EXE
1500	WINWORD.EXE
1500	WINWORD.EXE
1500	WINWORD.EXE
1500	WINWORD.EXE
1500	WINWORD.EXE
1500	WINWORD.EXE
1500	WINWORD.EXE
1500	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1500 wrote to memory of 2204	1500	WINWORD.EXE	FLTLDR.EXE
PID 1500 wrote to memory of 2204	1500	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\img_Bestelling 0020211015.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:1500

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:2204

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

C:\Users\Admin\AppData\Local\Packages\oice_16_974fa576_32c1d314_2b75\AC\Temp\FLE6F6.tmp
MD5
e122c87c052199fda4a8789eb99346df

SHA1
bd47ed1e79ab05c8a025e031f11fcdb82736a359

SHA256
2f0949094b5dc45f7e75c5dc441d953b54e28b3c8a892e89149dd4040a6c1f3f

SHA512
1b6929833db377af80e8bc558baa4ce9b981899f2151c6bf7f901bebf59f8810dfd4daba21f0a2a932edbca93214d25e83acbe89c46a49024ffb50b47cdcd106

Download Submit
memory/1500-115-0x00007FFB887E0000-0x00007FFB887F0000-memory.dmp

Filesize
64KB

Download
memory/1500-116-0x00007FFB887E0000-0x00007FFB887F0000-memory.dmp

Filesize
64KB

Download
memory/1500-117-0x00007FFB887E0000-0x00007FFB887F0000-memory.dmp

Filesize
64KB

Download
memory/1500-118-0x00007FFB887E0000-0x00007FFB887F0000-memory.dmp

Filesize
64KB

Download
memory/1500-119-0x00007FFB887E0000-0x00007FFB887F0000-memory.dmp

Filesize
64KB

Download
memory/1500-121-0x0000022DC8CC0000-0x0000022DC8CC2000-memory.dmp

Filesize
8KB

Download
memory/1500-120-0x0000022DC8CC0000-0x0000022DC8CC2000-memory.dmp

Filesize
8KB

Download
memory/1500-122-0x0000022DC8CC0000-0x0000022DC8CC2000-memory.dmp

Filesize
8KB

Download
memory/2204-354-0x0000000000000000-mapping.dmp

Download
memory/2204-362-0x00007FFB887E0000-0x00007FFB887F0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads