596b8f738a91b94ef3993e14dde4064f7062dda49fc12926601b20637e1cbc6e

General

Target
VESSEL PARTICULARS.doc
Size 212KB
Sample201028-rs8pgdp3mn
SHA256 596b8f738a91b94ef3993e14dde4064f7062dda49fc12926601b20637e1cbc6e
MD5 0a26596952aa7bef983e6acd5888efe2
SHA1 9990b79e174d5c9d9852fe0d8f1c58b4fd8d5747
SHA512 86bc0b02467a7b79a74077dbd25ec63feec4afccec6aed4a52558dc972a39e1f37f609cc9b423981a9bd2fcb9618bcd5fd63531e6f449c152eb59ca9971488ba
MD5 SHA1 SHA512

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	3908	296	FLTLDR.EXE	67

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 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

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

description	ioc	Process
Key deleted	\REGISTRY\USER\S-1-5-21-2627584638-3284755310-3019450177-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-2911667645-839068418-2433129411-34360583-429507818-770690151-778563204\Children	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-2627584638-3284755310-3019450177-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-2911667645-839068418-2433129411-34360583-429507818-770690151-778563204	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2627584638-3284755310-3019450177-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-2911667645-839068418-2433129411-34360583-429507818-770690151-778563204\Moniker = "oice_16_974fa576_32c1d314_60d"	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-2627584638-3284755310-3019450177-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_60d	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-2627584638-3284755310-3019450177-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_60d\Children	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-2627584638-3284755310-3019450177-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_60d\Children	WINWORD.EXE
Key deleted	\REGISTRY\USER\S-1-5-21-2627584638-3284755310-3019450177-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-2911667645-839068418-2433129411-34360583-429507818-770690151-778563204	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2627584638-3284755310-3019450177-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-2911667645-839068418-2433129411-34360583-429507818-770690151-778563204\DisplayName = "OICE_16_974FA576_32C1D314_60D"	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-2627584638-3284755310-3019450177-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Mappings\S-1-15-2-2911667645-839068418-2433129411-34360583-429507818-770690151-778563204\Children	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-2627584638-3284755310-3019450177-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\oice_16_974fa576_32c1d314_60d	WINWORD.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{1F88E537-F892-406A-8FEF-F0CC443F992B}\Abctfhghgdghghž.scT:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
296	WINWORD.EXE
296	WINWORD.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
296	WINWORD.EXE
296	WINWORD.EXE
296	WINWORD.EXE
296	WINWORD.EXE
296	WINWORD.EXE
296	WINWORD.EXE
296	WINWORD.EXE
296	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 296 wrote to memory of 3908	296	WINWORD.EXE	75
PID 296 wrote to memory of 3908	296	WINWORD.EXE	75

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\VESSEL PARTICULARS.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:296
- 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:3908

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

memory/296-0-0x00007FFDFD2B0000-0x00007FFDFD8E7000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads