febe551bb0804e8707e938b42d4d31143525cd024782251bb043cb0691e7d105

Analysis

max time kernel
143s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
23/03/2023, 06:10

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General

Target

Document for clearance.xls
Size

1.1MB
MD5

d5d7ea5bd2503fa0a3efd0c83196b69a
SHA1

5e1f2f6ada8234994fcd652a1e9d6db13ee2e94b
SHA256

febe551bb0804e8707e938b42d4d31143525cd024782251bb043cb0691e7d105
SHA512

766fb7673c22f9f080b8199e24f691c64b97c4f516a13356faef166d2b63437b9636f5c2f5474fef65c22c1c44b1527f6747e7eebd2f5d9b781f23cf59440f16
SSDEEP

24576:mLKIWQmmav30x1+MXU6aTf+MXUw3bV4+MXUJ3bVMMm29V0a3zlD:mLKdQmmQ303+MX6b+MXL3bV4+MXm3bVX

Score

1^/10

Malware Config

Signatures

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
840	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
840	EXCEL.EXE
840	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
840	EXCEL.EXE
840	EXCEL.EXE
840	EXCEL.EXE
840	EXCEL.EXE
840	EXCEL.EXE
840	EXCEL.EXE
840	EXCEL.EXE
840	EXCEL.EXE
840	EXCEL.EXE
840	EXCEL.EXE
840	EXCEL.EXE
840	EXCEL.EXE

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Document for clearance.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:840

Network

MITRE ATT&CK Enterprise v6

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\D842DBDF.emf

Filesize
95KB

MD5
5c5096a41b5f3123b1e8264324eeabc3

SHA1
320b8cee357d1d0ed19f63630b0079130657d987

SHA256
fbe8acf84d4f45e5ef05212edd3296d5a06eeae3db3bdb9665299d86e1a6be72

SHA512
d0979e804b6ece6f35a10e86cd9f0ee09d273a7bd81311c6bc1f4da35f689514d1fded9e22748a50577d51cd04e3028d5151b53fd2c4b0477acae45dfb3b77d3

Download Submit
memory/840-133-0x00007FFA6EA70000-0x00007FFA6EA80000-memory.dmp

Filesize
64KB

Download
memory/840-134-0x00007FFA6EA70000-0x00007FFA6EA80000-memory.dmp

Filesize
64KB

Download
memory/840-135-0x00007FFA6EA70000-0x00007FFA6EA80000-memory.dmp

Filesize
64KB

Download
memory/840-136-0x00007FFA6EA70000-0x00007FFA6EA80000-memory.dmp

Filesize
64KB

Download
memory/840-137-0x00007FFA6EA70000-0x00007FFA6EA80000-memory.dmp

Filesize
64KB

Download
memory/840-138-0x00007FFA6C270000-0x00007FFA6C280000-memory.dmp

Filesize
64KB

Download
memory/840-139-0x00007FFA6C270000-0x00007FFA6C280000-memory.dmp

Filesize
64KB

Download
memory/840-184-0x00007FFA6EA70000-0x00007FFA6EA80000-memory.dmp

Filesize
64KB

Download
memory/840-185-0x00007FFA6EA70000-0x00007FFA6EA80000-memory.dmp

Filesize
64KB

Download
memory/840-186-0x00007FFA6EA70000-0x00007FFA6EA80000-memory.dmp

Filesize
64KB

Download
memory/840-187-0x00007FFA6EA70000-0x00007FFA6EA80000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads