4b77057686ba3b9c261ba85440fe0a66905ca7bfff9d10ec57c80c93415d9554

Analysis

max time kernel
101s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
28-03-2023 06:17

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General

Target

Quotation.xls
Size

1.0MB
MD5

ab0df80e16d2c47d924bd9ad36eb7937
SHA1

808180d3a7248c813f457c32e1077341cbf527d3
SHA256

4b77057686ba3b9c261ba85440fe0a66905ca7bfff9d10ec57c80c93415d9554
SHA512

8da103a460100cce6470bee05560be261b14952cf017e845968749b5a52df801f58b49843e0a696813dded048f9b05c8a2c5e02db2e725e32786dcb7ce95db3a
SSDEEP

24576:LLKQSSMMednEyakAmmjm6+MXUTakAmmjmmbfuc2222222222222222222222a2rh:LLKkMpaaoN+MX8aaosA1

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

Processes:

EXCEL.EXE

description	ioc	process
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 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4824 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4824 EXCEL.EXE
4824 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	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\Quotation.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4824

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\7A010F18.emf
Filesize
1.4MB

MD5
5c65827565e89d5357d6f81294701c19

SHA1
600aa1899bdc58d12671774e84033366dc931c04

SHA256
dec6f35ceb48260f3ba4e6487c48d3f97b274f2eff29cab00c2c7e677eef4b4f

SHA512
052c177c606d30f4f3b658f60bb3643fffec498cc8fa931b4380aa6b93ac20fa9ef4600645740e99ba2f6d43e333fe783378d14395132819d6fb44787aad196a

Download Submit
memory/4824-133-0x00007FFB14BD0000-0x00007FFB14BE0000-memory.dmp

Filesize
64KB

Download
memory/4824-134-0x00007FFB14BD0000-0x00007FFB14BE0000-memory.dmp

Filesize
64KB

Download
memory/4824-135-0x00007FFB14BD0000-0x00007FFB14BE0000-memory.dmp

Filesize
64KB

Download
memory/4824-136-0x00007FFB14BD0000-0x00007FFB14BE0000-memory.dmp

Filesize
64KB

Download
memory/4824-137-0x00007FFB14BD0000-0x00007FFB14BE0000-memory.dmp

Filesize
64KB

Download
memory/4824-138-0x00007FFB12B70000-0x00007FFB12B80000-memory.dmp

Filesize
64KB

Download
memory/4824-139-0x00007FFB12B70000-0x00007FFB12B80000-memory.dmp

Filesize
64KB

Download
memory/4824-176-0x00007FFB14BD0000-0x00007FFB14BE0000-memory.dmp

Filesize
64KB

Download
memory/4824-177-0x00007FFB14BD0000-0x00007FFB14BE0000-memory.dmp

Filesize
64KB

Download
memory/4824-178-0x00007FFB14BD0000-0x00007FFB14BE0000-memory.dmp

Filesize
64KB

Download
memory/4824-179-0x00007FFB14BD0000-0x00007FFB14BE0000-memory.dmp

Filesize
64KB

Download