baaf33dc951650d56f7604d13ee932371279fef9655f8e55a900c30007ed09c4

Analysis

max time kernel
143s
max time network
146s
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

Purchase Order - R0136983.xls
Size

1.3MB
MD5

00950549802eb44db9b3d88778f8d0e4
SHA1

a427f038b5bcf7d745a5ea894464d733f5d60ae2
SHA256

baaf33dc951650d56f7604d13ee932371279fef9655f8e55a900c30007ed09c4
SHA512

8b2dcdab764327cfaa26c6dcce27234fe308c81c5a901079d343fee69d35e12929e1c7893480472901c26c39cb60db5d07c694301ce9052925ee271e1941d315
SSDEEP

24576:rLKJSSMMednEhakAmmjmFakAmmjmF+MXU/akAmmjmU+MXUt2222222222222222H:rLKzMyaaoWaaoK+MXoaaof+MX0tL

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

4296 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4296 EXCEL.EXE
4296 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4296	EXCEL.EXE
4296	EXCEL.EXE
4296	EXCEL.EXE
4296	EXCEL.EXE
4296	EXCEL.EXE
4296	EXCEL.EXE
4296	EXCEL.EXE
4296	EXCEL.EXE
4296	EXCEL.EXE
4296	EXCEL.EXE
4296	EXCEL.EXE
4296	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\Purchase Order - R0136983.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4296

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\B1E55837.emf
Filesize
1.4MB

MD5
5c65827565e89d5357d6f81294701c19

SHA1
600aa1899bdc58d12671774e84033366dc931c04

SHA256
dec6f35ceb48260f3ba4e6487c48d3f97b274f2eff29cab00c2c7e677eef4b4f

SHA512
052c177c606d30f4f3b658f60bb3643fffec498cc8fa931b4380aa6b93ac20fa9ef4600645740e99ba2f6d43e333fe783378d14395132819d6fb44787aad196a

Download Submit
memory/4296-133-0x00007FFE79BB0000-0x00007FFE79BC0000-memory.dmp

Filesize
64KB

Download
memory/4296-134-0x00007FFE79BB0000-0x00007FFE79BC0000-memory.dmp

Filesize
64KB

Download
memory/4296-135-0x00007FFE79BB0000-0x00007FFE79BC0000-memory.dmp

Filesize
64KB

Download
memory/4296-136-0x00007FFE79BB0000-0x00007FFE79BC0000-memory.dmp

Filesize
64KB

Download
memory/4296-137-0x00007FFE79BB0000-0x00007FFE79BC0000-memory.dmp

Filesize
64KB

Download
memory/4296-138-0x00007FFE775C0000-0x00007FFE775D0000-memory.dmp

Filesize
64KB

Download
memory/4296-139-0x00007FFE775C0000-0x00007FFE775D0000-memory.dmp

Filesize
64KB

Download
memory/4296-176-0x00007FFE79BB0000-0x00007FFE79BC0000-memory.dmp

Filesize
64KB

Download
memory/4296-177-0x00007FFE79BB0000-0x00007FFE79BC0000-memory.dmp

Filesize
64KB

Download
memory/4296-178-0x00007FFE79BB0000-0x00007FFE79BC0000-memory.dmp

Filesize
64KB

Download
memory/4296-179-0x00007FFE79BB0000-0x00007FFE79BC0000-memory.dmp

Filesize
64KB

Download