a1f3b7bd804a3f61b92fcf7da6f2fa61b32cdbff244569b34f88b6e4740250e2

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 00:26

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General

Target

decrypted.xlsx
Size

653KB
MD5

e2a5a633051b4e7e253ad4a0b11e3ccc
SHA1

b82222381ffcc1cb65d5f79246006ac91b546a98
SHA256

c2328ce920a800b3e331eaf0ef4215a26a948706b7b9d3c580e2f43b03248138
SHA512

ff4f3ecc5b4e680283bfda9ee786779cf06c68321244c503b46d4b8ecc1f38bcdf9980173552a4958f4d8f341b8dca13428255beb718e3d0aeebea46e5390a29
SSDEEP

12288:WTu3u39EzsTY1kFKRm41qNx6AV0VlpExk2wWLE4+lT8xA6/eMR6Fa:WzizsTYFLcPd0N6k2wYKlYyWpR6Fa

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

1404 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1404	EXCEL.EXE
1404	EXCEL.EXE
1404	EXCEL.EXE
1404	EXCEL.EXE
1404	EXCEL.EXE
1404	EXCEL.EXE
1404	EXCEL.EXE
1404	EXCEL.EXE
1404	EXCEL.EXE
1404	EXCEL.EXE
1404	EXCEL.EXE
1404	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\decrypted.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1404

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/1404-0-0x00007FF96E9D0000-0x00007FF96E9E0000-memory.dmp

Filesize
64KB

Download
memory/1404-1-0x00007FF9AE9ED000-0x00007FF9AE9EE000-memory.dmp

Filesize
4KB

Download
memory/1404-5-0x00007FF9AE950000-0x00007FF9AEB45000-memory.dmp

Filesize
2.0MB

Download
memory/1404-4-0x00007FF96E9D0000-0x00007FF96E9E0000-memory.dmp

Filesize
64KB

Download
memory/1404-3-0x00007FF96E9D0000-0x00007FF96E9E0000-memory.dmp

Filesize
64KB

Download
memory/1404-2-0x00007FF96E9D0000-0x00007FF96E9E0000-memory.dmp

Filesize
64KB

Download
memory/1404-6-0x00007FF9AE950000-0x00007FF9AEB45000-memory.dmp

Filesize
2.0MB

Download
memory/1404-9-0x00007FF9AE950000-0x00007FF9AEB45000-memory.dmp

Filesize
2.0MB

Download
memory/1404-10-0x00007FF9AE950000-0x00007FF9AEB45000-memory.dmp

Filesize
2.0MB

Download
memory/1404-8-0x00007FF9AE950000-0x00007FF9AEB45000-memory.dmp

Filesize
2.0MB

Download
memory/1404-7-0x00007FF96E9D0000-0x00007FF96E9E0000-memory.dmp

Filesize
64KB

Download
memory/1404-11-0x00007FF96C970000-0x00007FF96C980000-memory.dmp

Filesize
64KB

Download
memory/1404-12-0x00007FF9AE950000-0x00007FF9AEB45000-memory.dmp

Filesize
2.0MB

Download
memory/1404-14-0x00007FF9AE950000-0x00007FF9AEB45000-memory.dmp

Filesize
2.0MB

Download
memory/1404-15-0x00007FF9AE950000-0x00007FF9AEB45000-memory.dmp

Filesize
2.0MB

Download
memory/1404-16-0x00007FF96C970000-0x00007FF96C980000-memory.dmp

Filesize
64KB

Download
memory/1404-13-0x00007FF9AE950000-0x00007FF9AEB45000-memory.dmp

Filesize
2.0MB

Download
memory/1404-28-0x00007FF9AE950000-0x00007FF9AEB45000-memory.dmp

Filesize
2.0MB

Download
memory/1404-37-0x00007FF9AE950000-0x00007FF9AEB45000-memory.dmp

Filesize
2.0MB

Download
memory/1404-38-0x00007FF9AE9ED000-0x00007FF9AE9EE000-memory.dmp

Filesize
4KB

Download
memory/1404-39-0x00007FF9AE950000-0x00007FF9AEB45000-memory.dmp

Filesize
2.0MB

Download
memory/1404-40-0x00007FF9AE950000-0x00007FF9AEB45000-memory.dmp

Filesize
2.0MB

Download
memory/1404-63-0x00007FF96E9D0000-0x00007FF96E9E0000-memory.dmp

Filesize
64KB

Download
memory/1404-64-0x00007FF96E9D0000-0x00007FF96E9E0000-memory.dmp

Filesize
64KB

Download
memory/1404-66-0x00007FF96E9D0000-0x00007FF96E9E0000-memory.dmp

Filesize
64KB

Download
memory/1404-65-0x00007FF96E9D0000-0x00007FF96E9E0000-memory.dmp

Filesize
64KB

Download
memory/1404-67-0x00007FF9AE950000-0x00007FF9AEB45000-memory.dmp

Filesize
2.0MB

Download