1e26103620fab9c7ec9401dedfbe1a9090cfb108a51dee80011857bcdc9ef8ec

Analysis

max time kernel
133s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
05/06/2024, 12:47

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General

Target

=?UTF-8?B?U3BlY2lmaWNhyJtpaSBuZWNlc2FyZS54bHM=?=.xls
Size

280KB
MD5

fa3a4609a398b798a66634bb2e0ad22a
SHA1

ae7b835d7275b0ae8858b84fca2611665ee328ec
SHA256

b3f8511ac449f0546edf04eff5ff5b139618dfb6e0d986a9bfad135cab2a5811
SHA512

c5c93173c395f85738c88b843185531abba1ab9385a6157ddc28c63f20140257f108529bde6640622a2af9750d93958f2e6248cf2c7948bc120db456dda24965
SSDEEP

6144:AqFzL5LIT47HSL+xjfvu1DHgZXuUZjJyHZeroxnn:AqFzu4LSL+xbl7jk5vd

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\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

pid	Process
4484	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4484	EXCEL.EXE
4484	EXCEL.EXE
4484	EXCEL.EXE
4484	EXCEL.EXE
4484	EXCEL.EXE
4484	EXCEL.EXE
4484	EXCEL.EXE
4484	EXCEL.EXE
4484	EXCEL.EXE
4484	EXCEL.EXE
4484	EXCEL.EXE
4484	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\=_UTF-8_B_U3BlY2lmaWNhyJtpaSBuZWNlc2FyZS54bHM=_=.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4484

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/4484-1-0x00007FFEE21B0000-0x00007FFEE21C0000-memory.dmp

Filesize
64KB

Download
memory/4484-0-0x00007FFEE21B0000-0x00007FFEE21C0000-memory.dmp

Filesize
64KB

Download
memory/4484-2-0x00007FFEE21B0000-0x00007FFEE21C0000-memory.dmp

Filesize
64KB

Download
memory/4484-3-0x00007FFF221CD000-0x00007FFF221CE000-memory.dmp

Filesize
4KB

Download
memory/4484-6-0x00007FFF22130000-0x00007FFF22325000-memory.dmp

Filesize
2.0MB

Download
memory/4484-4-0x00007FFEE21B0000-0x00007FFEE21C0000-memory.dmp

Filesize
64KB

Download
memory/4484-7-0x00007FFF22130000-0x00007FFF22325000-memory.dmp

Filesize
2.0MB

Download
memory/4484-9-0x00007FFF22130000-0x00007FFF22325000-memory.dmp

Filesize
2.0MB

Download
memory/4484-12-0x00007FFF22130000-0x00007FFF22325000-memory.dmp

Filesize
2.0MB

Download
memory/4484-15-0x00007FFF22130000-0x00007FFF22325000-memory.dmp

Filesize
2.0MB

Download
memory/4484-14-0x00007FFF22130000-0x00007FFF22325000-memory.dmp

Filesize
2.0MB

Download
memory/4484-16-0x00007FFEDFBC0000-0x00007FFEDFBD0000-memory.dmp

Filesize
64KB

Download
memory/4484-13-0x00007FFF22130000-0x00007FFF22325000-memory.dmp

Filesize
2.0MB

Download
memory/4484-17-0x00007FFEDFBC0000-0x00007FFEDFBD0000-memory.dmp

Filesize
64KB

Download
memory/4484-11-0x00007FFF22130000-0x00007FFF22325000-memory.dmp

Filesize
2.0MB

Download
memory/4484-10-0x00007FFF22130000-0x00007FFF22325000-memory.dmp

Filesize
2.0MB

Download
memory/4484-8-0x00007FFEE21B0000-0x00007FFEE21C0000-memory.dmp

Filesize
64KB

Download
memory/4484-5-0x00007FFF22130000-0x00007FFF22325000-memory.dmp

Filesize
2.0MB

Download
memory/4484-40-0x00007FFF22130000-0x00007FFF22325000-memory.dmp

Filesize
2.0MB

Download
memory/4484-58-0x00007FFEE21B0000-0x00007FFEE21C0000-memory.dmp

Filesize
64KB

Download
memory/4484-59-0x00007FFEE21B0000-0x00007FFEE21C0000-memory.dmp

Filesize
64KB

Download
memory/4484-61-0x00007FFEE21B0000-0x00007FFEE21C0000-memory.dmp

Filesize
64KB

Download
memory/4484-60-0x00007FFEE21B0000-0x00007FFEE21C0000-memory.dmp

Filesize
64KB

Download
memory/4484-62-0x00007FFF22130000-0x00007FFF22325000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads