93f33e4e9a732de665510aa5fdc565fc00bcf5e28101c5cc55b5b16f94288b8a

Analysis

max time kernel
91s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-04-2024 12:43

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General

Target

Guidelines.xlam
Size

127KB
MD5

e0f6bcdb71df502f7aefe22db8207a69
SHA1

9f7357219cbfb5b940d5809f8564a6bb821fa036
SHA256

0335de8eadbbd5dc7cbe92ef869bcea6f6596ac39a38680142c982ec6e97ecde
SHA512

ea9fc5fe2bcd8a225c7f7f7b8ea832e3d143278a07c6264edaf9476fb5e7852efdd9b3dbcde6e211ccb1e6d011b11845def65af58e9298a01b3067a05200d7cc
SSDEEP

3072:NDKcDiVBG5Q0fULY/fPiY4XXnfWFsnNfWSWe:NDDD0BGCY/fkXvTNf5

Score

6^/10

Malware Config

Signatures

Process spawned suspicious child process 1 IoCs

This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

Processes:

DW20.EXE

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3052	4612	DW20.EXE	EXCEL.EXE

Checks processor information in registry 2 TTPs 6 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

dwwin.exeEXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dwwin.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXEdwwin.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dwwin.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4612 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

EXCEL.EXE

pid process

4612 EXCEL.EXE
4612 EXCEL.EXE
4612 EXCEL.EXE
4612 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

4612 EXCEL.EXE
4612 EXCEL.EXE
4612 EXCEL.EXE
4612 EXCEL.EXE
4612 EXCEL.EXE
4612 EXCEL.EXE
4612 EXCEL.EXE
4612 EXCEL.EXE

pid	process
4612	EXCEL.EXE

pid	process
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE

pid	process
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE
4612	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEDW20.EXE

description	pid	process	target process
PID 4612 wrote to memory of 3052	4612	EXCEL.EXE	DW20.EXE
PID 4612 wrote to memory of 3052	4612	EXCEL.EXE	DW20.EXE
PID 3052 wrote to memory of 2292	3052	DW20.EXE	dwwin.exe
PID 3052 wrote to memory of 2292	3052	DW20.EXE	dwwin.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Guidelines.xlam"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4612
- C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
  "C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 1856
  2⤵
  - Process spawned suspicious child process
  - Suspicious use of WriteProcessMemory
  PID:3052
- - C:\Windows\system32\dwwin.exe
    C:\Windows\system32\dwwin.exe -x -s 1856
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:2292

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3052-50-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/3052-68-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/3052-69-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/3052-66-0x00007FF94F010000-0x00007FF94F020000-memory.dmp

Filesize
64KB

Download
memory/3052-67-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/3052-65-0x00007FF94F010000-0x00007FF94F020000-memory.dmp

Filesize
64KB

Download
memory/3052-64-0x00007FF94F010000-0x00007FF94F020000-memory.dmp

Filesize
64KB

Download
memory/3052-63-0x00007FF94F010000-0x00007FF94F020000-memory.dmp

Filesize
64KB

Download
memory/3052-55-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/3052-54-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/3052-52-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/4612-9-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/4612-49-0x0000025660260000-0x0000025661230000-memory.dmp

Filesize
15.8MB

Download
memory/4612-13-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/4612-14-0x00007FF94CA10000-0x00007FF94CA20000-memory.dmp

Filesize
64KB

Download
memory/4612-15-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/4612-17-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/4612-16-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/4612-18-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/4612-19-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/4612-20-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/4612-27-0x0000025660260000-0x0000025661230000-memory.dmp

Filesize
15.8MB

Download
memory/4612-28-0x0000025665D00000-0x0000025665F00000-memory.dmp

Filesize
2.0MB

Download
memory/4612-45-0x0000025660260000-0x0000025661230000-memory.dmp

Filesize
15.8MB

Download
memory/4612-12-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/4612-11-0x00007FF94CA10000-0x00007FF94CA20000-memory.dmp

Filesize
64KB

Download
memory/4612-10-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/4612-0-0x00007FF94F010000-0x00007FF94F020000-memory.dmp

Filesize
64KB

Download
memory/4612-8-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/4612-60-0x0000025660260000-0x0000025661230000-memory.dmp

Filesize
15.8MB

Download
memory/4612-7-0x00007FF94F010000-0x00007FF94F020000-memory.dmp

Filesize
64KB

Download
memory/4612-5-0x00007FF94F010000-0x00007FF94F020000-memory.dmp

Filesize
64KB

Download
memory/4612-6-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/4612-1-0x00007FF94F010000-0x00007FF94F020000-memory.dmp

Filesize
64KB

Download
memory/4612-3-0x00007FF94F010000-0x00007FF94F020000-memory.dmp

Filesize
64KB

Download
memory/4612-4-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/4612-2-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download
memory/4612-70-0x00007FF98EF90000-0x00007FF98F185000-memory.dmp

Filesize
2.0MB

Download