e8fcc57271e5b1ae0f4d26896a06af86d31b84a84985fe984e42b2b018a19bab

Analysis

max time kernel
98s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2023 07:45

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General

Target

MV COMMON CALYPSO.xls
Size

1.2MB
MD5

c3c39f13b005910981453d9b4d88c960
SHA1

670bbb56884e014c58b8e1dee1b244759347ad73
SHA256

e8fcc57271e5b1ae0f4d26896a06af86d31b84a84985fe984e42b2b018a19bab
SHA512

d2b19666ee369626979c7ff89a5769eabb004c02646bb39a5b772a55e392e18823cddbbff4a4a159b641f9affacab5bbb12a2140451e3b5ee7e0fd56503cdeb6
SSDEEP

24576:ZhfQw+O9JJehfQw+O9JJ7hfQw+O9JJghfQw+O9JJ0TYDNbaQDgP6wz6d:nD+O/JmD+O/JdD+O/JUD+O/J88N2QkPu

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

4348 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4348	EXCEL.EXE
4348	EXCEL.EXE
4348	EXCEL.EXE
4348	EXCEL.EXE
4348	EXCEL.EXE
4348	EXCEL.EXE
4348	EXCEL.EXE
4348	EXCEL.EXE
4348	EXCEL.EXE
4348	EXCEL.EXE
4348	EXCEL.EXE
4348	EXCEL.EXE

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\MV COMMON CALYPSO.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4348

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

memory/4348-132-0x00007FF96E950000-0x00007FF96E960000-memory.dmp

Filesize
64KB

Download
memory/4348-133-0x00007FF96E950000-0x00007FF96E960000-memory.dmp

Filesize
64KB

Download
memory/4348-134-0x00007FF96E950000-0x00007FF96E960000-memory.dmp

Filesize
64KB

Download
memory/4348-135-0x00007FF96E950000-0x00007FF96E960000-memory.dmp

Filesize
64KB

Download
memory/4348-136-0x00007FF96E950000-0x00007FF96E960000-memory.dmp

Filesize
64KB

Download
memory/4348-137-0x00007FF96C4B0000-0x00007FF96C4C0000-memory.dmp

Filesize
64KB

Download
memory/4348-138-0x00007FF96C4B0000-0x00007FF96C4C0000-memory.dmp

Filesize
64KB

Download
memory/4348-140-0x00007FF96E950000-0x00007FF96E960000-memory.dmp

Filesize
64KB

Download
memory/4348-141-0x00007FF96E950000-0x00007FF96E960000-memory.dmp

Filesize
64KB

Download
memory/4348-142-0x00007FF96E950000-0x00007FF96E960000-memory.dmp

Filesize
64KB

Download
memory/4348-143-0x00007FF96E950000-0x00007FF96E960000-memory.dmp

Filesize
64KB

Download