bae1e581b513a1a7f1a0f0c8c8f11d2e21b30a10f4a021922cddeec2f62e9cb7

General

Target

Customer statement.doc
Size

60KB
MD5

6a0b254fa9bf238cde9975acbb556da3
SHA1

c4778fd61e090ccf7367e8baaa3059292f4c7daa
SHA256

bae1e581b513a1a7f1a0f0c8c8f11d2e21b30a10f4a021922cddeec2f62e9cb7
SHA512

11ad37c57a8b15c90a3540d487d7084f2fd40090de4d8428f0662e95ad14c7a4e2342155eed7dc045bff153eebbc3ebcb1d00a8c02e6862040cc0c1fe47361a1

Score

4^/10

Malware Config

Signatures

Drops file in Program Files directory 18 IoCs

Processes:

WINWORD.EXE

description	ioc	process
File opened for modification	C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\BasicElegant.dotx	WINWORD.EXE
File opened for modification	C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\BWClassic.dotx	WINWORD.EXE
File opened for modification	C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\BWNumbered.dotx	WINWORD.EXE
File created	C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\~$Casual.dotx	WINWORD.EXE
File created	C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\~$ntered.dotx	WINWORD.EXE
File created	C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\~$sicSimple.dotx	WINWORD.EXE
File opened for modification	C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\BasicStylish.dotx	WINWORD.EXE
File opened for modification	C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\BWCapitalized.dotx	WINWORD.EXE
File created	C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\~$Capitalized.dotx	WINWORD.EXE
File created	C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\~$Classic.dotx	WINWORD.EXE
File opened for modification	C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\Word2013BW.dotx	WINWORD.EXE
File created	C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\~$sicElegant.dotx	WINWORD.EXE
File opened for modification	C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\BasicSimple.dotx	WINWORD.EXE
File created	C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\~$sicStylish.dotx	WINWORD.EXE
File created	C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\~$Numbered.dotx	WINWORD.EXE
File created	C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\~$rd2013BW.dotx	WINWORD.EXE
File opened for modification	C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\Casual.dotx	WINWORD.EXE
File opened for modification	C:\Program Files\Microsoft Office\Root\Office16\1033\QuickStyles\Centered.dotx	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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4648 WINWORD.EXE
4648 WINWORD.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WINWORD.EXE

pid process

4648 WINWORD.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

WINWORD.EXE

pid process

4648 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

4648 WINWORD.EXE
4648 WINWORD.EXE
4648 WINWORD.EXE
4648 WINWORD.EXE
4648 WINWORD.EXE
4648 WINWORD.EXE
4648 WINWORD.EXE

pid	process
4648	WINWORD.EXE
4648	WINWORD.EXE

pid	process
4648	WINWORD.EXE

pid	process
4648	WINWORD.EXE

pid	process
4648	WINWORD.EXE
4648	WINWORD.EXE
4648	WINWORD.EXE
4648	WINWORD.EXE
4648	WINWORD.EXE
4648	WINWORD.EXE
4648	WINWORD.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\Customer statement.doc" /o ""
1⤵
- Drops file in Program Files directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4648

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/4648-114-0x00007FFA38500000-0x00007FFA38510000-memory.dmp

Filesize
64KB

Download
memory/4648-115-0x00007FFA38500000-0x00007FFA38510000-memory.dmp

Filesize
64KB

Download
memory/4648-116-0x00007FFA38500000-0x00007FFA38510000-memory.dmp

Filesize
64KB

Download
memory/4648-117-0x00007FFA38500000-0x00007FFA38510000-memory.dmp

Filesize
64KB

Download
memory/4648-119-0x00007FFA38500000-0x00007FFA38510000-memory.dmp

Filesize
64KB

Download
memory/4648-118-0x00007FFA592C0000-0x00007FFA5BDE3000-memory.dmp

Filesize
43.1MB

Download
memory/4648-122-0x00007FFA54150000-0x00007FFA5523E000-memory.dmp

Filesize
16.9MB

Download
memory/4648-123-0x00007FFA52250000-0x00007FFA54145000-memory.dmp

Filesize
31.0MB

Download
memory/4648-276-0x000001CD03D20000-0x000001CD03D24000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads