cc25d9d16d55c39701b2ad97606bdc3f9fa2db92019da442dfcbe941a773248f

Analysis

max time kernel
127s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
29-03-2022 01:04

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General

Target

cc25d9d16d55c39701b2ad97606bdc3f9fa2db92019da442dfcbe941a773248f.xlsb
Size

357KB
MD5

eab0e601add0ac235b413fe1ef2acfab
SHA1

6ad8b0c15c8a3cba0e1273594b9d3705f4f78374
SHA256

cc25d9d16d55c39701b2ad97606bdc3f9fa2db92019da442dfcbe941a773248f
SHA512

419b24a7f254f7fc78896822c04c69e3ac0b1923ad443148c85a9ee0f79260a4935e05fda0c5d4d4334325bb103d82d0b0d00d1baebbf0371863a936fa779432

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://qxcb.net/ds/161120.gif

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

4372 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4372 EXCEL.EXE
4372 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4372	EXCEL.EXE
4372	EXCEL.EXE
4372	EXCEL.EXE
4372	EXCEL.EXE
4372	EXCEL.EXE
4372	EXCEL.EXE
4372	EXCEL.EXE
4372	EXCEL.EXE
4372	EXCEL.EXE
4372	EXCEL.EXE
4372	EXCEL.EXE
4372	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\cc25d9d16d55c39701b2ad97606bdc3f9fa2db92019da442dfcbe941a773248f.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4372

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/4372-130-0x00007FFBE03F0000-0x00007FFBE0400000-memory.dmp

Filesize
64KB

Download
memory/4372-131-0x00007FFBE03F0000-0x00007FFBE0400000-memory.dmp

Filesize
64KB

Download
memory/4372-132-0x00007FFBE03F0000-0x00007FFBE0400000-memory.dmp

Filesize
64KB

Download
memory/4372-133-0x00007FFBE03F0000-0x00007FFBE0400000-memory.dmp

Filesize
64KB

Download
memory/4372-134-0x00007FFBE03F0000-0x00007FFBE0400000-memory.dmp

Filesize
64KB

Download
memory/4372-135-0x00007FFBE03F0000-0x00007FFBE0400000-memory.dmp

Filesize
64KB

Download
memory/4372-136-0x00007FFBE03F0000-0x00007FFBE0400000-memory.dmp

Filesize
64KB

Download
memory/4372-137-0x00007FFBE03F0000-0x00007FFBE0400000-memory.dmp

Filesize
64KB

Download
memory/4372-138-0x00007FFBE03F0000-0x00007FFBE0400000-memory.dmp

Filesize
64KB

Download