5c34c14865f4a98f6cc623710e445f479175aeafafcb55614b139fb61cff9de7

General

Target

decrypted.xlsx
Size

2.1MB
MD5

711fe9b027c5f6e0cfd51694b69da120
SHA1

b32c2e1b63aaba1103d2f9b38dfa39c6b9cc2780
SHA256

4e05084fe9a60bba11a1b0941b4264d8dbebc30be1630a06f05f86c4466b1510
SHA512

33405b40dbbae9294c3df14a22545e0ae8a9acc26cac69ea6d6e6c00138105e1fc4523352169187a1fa969a7b455eadcc35d52bb1048d365b3007722607d06ed
SSDEEP

49152:xaphEoOdnowYVpoDzFNnyKfENk1HA3p5PGeRgcT1Md3Qvpmd:Av2lapmffIka3pZlTWOpmd

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 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

Processes:

EXCEL.EXE

pid process

740 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE
740	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:740

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize
1KB

MD5
cddd0d2d9d68dcadf9f921fa98816d34

SHA1
75a39f085b70752fbd51394988ab0de08791b344

SHA256
5e75718995b5f1131be14fa6ab977574ae619e539da4991be1d07053f3285dad

SHA512
8abafa63f307abb720746bd47ed73198df1b9550c3b422eeac2f75d268dbb117e779eeada11fee380f69ba411103ab875e7c5b67ac80b1d1fb5a02dc3fa40f44

Download Submit
memory/740-11-0x00007FFD4EA90000-0x00007FFD4EC85000-memory.dmp

Filesize
2.0MB

Download
memory/740-63-0x00007FFD0EB10000-0x00007FFD0EB20000-memory.dmp

Filesize
64KB

Download
memory/740-2-0x00007FFD0EB10000-0x00007FFD0EB20000-memory.dmp

Filesize
64KB

Download
memory/740-7-0x00007FFD4EA90000-0x00007FFD4EC85000-memory.dmp

Filesize
2.0MB

Download
memory/740-8-0x00007FFD0EB10000-0x00007FFD0EB20000-memory.dmp

Filesize
64KB

Download
memory/740-12-0x00007FFD4EA90000-0x00007FFD4EC85000-memory.dmp

Filesize
2.0MB

Download
memory/740-17-0x00007FFD4EA90000-0x00007FFD4EC85000-memory.dmp

Filesize
2.0MB

Download
memory/740-16-0x00007FFD4EA90000-0x00007FFD4EC85000-memory.dmp

Filesize
2.0MB

Download
memory/740-18-0x00007FFD0C8C0000-0x00007FFD0C8D0000-memory.dmp

Filesize
64KB

Download
memory/740-15-0x00007FFD4EA90000-0x00007FFD4EC85000-memory.dmp

Filesize
2.0MB

Download
memory/740-19-0x00007FFD0C8C0000-0x00007FFD0C8D0000-memory.dmp

Filesize
64KB

Download
memory/740-14-0x00007FFD4EA90000-0x00007FFD4EC85000-memory.dmp

Filesize
2.0MB

Download
memory/740-66-0x00007FFD4EA90000-0x00007FFD4EC85000-memory.dmp

Filesize
2.0MB

Download
memory/740-3-0x00007FFD0EB10000-0x00007FFD0EB20000-memory.dmp

Filesize
64KB

Download
memory/740-4-0x00007FFD4EA90000-0x00007FFD4EC85000-memory.dmp

Filesize
2.0MB

Download
memory/740-9-0x00007FFD4EA90000-0x00007FFD4EC85000-memory.dmp

Filesize
2.0MB

Download
memory/740-6-0x00007FFD4EA90000-0x00007FFD4EC85000-memory.dmp

Filesize
2.0MB

Download
memory/740-5-0x00007FFD0EB10000-0x00007FFD0EB20000-memory.dmp

Filesize
64KB

Download
memory/740-10-0x00007FFD4EA90000-0x00007FFD4EC85000-memory.dmp

Filesize
2.0MB

Download
memory/740-1-0x00007FFD4EB2D000-0x00007FFD4EB2E000-memory.dmp

Filesize
4KB

Download
memory/740-39-0x00007FFD4EA90000-0x00007FFD4EC85000-memory.dmp

Filesize
2.0MB

Download
memory/740-40-0x00007FFD4EB2D000-0x00007FFD4EB2E000-memory.dmp

Filesize
4KB

Download
memory/740-41-0x00007FFD4EA90000-0x00007FFD4EC85000-memory.dmp

Filesize
2.0MB

Download
memory/740-65-0x00007FFD0EB10000-0x00007FFD0EB20000-memory.dmp

Filesize
64KB

Download
memory/740-64-0x00007FFD0EB10000-0x00007FFD0EB20000-memory.dmp

Filesize
64KB

Download
memory/740-0-0x00007FFD0EB10000-0x00007FFD0EB20000-memory.dmp

Filesize
64KB

Download
memory/740-62-0x00007FFD0EB10000-0x00007FFD0EB20000-memory.dmp

Filesize
64KB

Download
memory/740-13-0x00007FFD4EA90000-0x00007FFD4EC85000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads