aa65a34067b0c50e89c1078d0c7ff08de43e5036241404574f846265de6ff6bd

Analysis

max time kernel
152s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
19-05-2022 01:57

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General

Target

?i=1tbmasfnn.xls
Size

113KB
MD5

3e47f75fb9dbb067e2b47049666fc1d2
SHA1

df51ed9b3c9bc6bbef920f2de3bedeccda5217c3
SHA256

aa65a34067b0c50e89c1078d0c7ff08de43e5036241404574f846265de6ff6bd
SHA512

878839b9037053905384417e505741ef74622804eb384f84d1cd1b8b96eb8b0521d6f248f5a9ae635c2367cab17669db248156ef0ca5f11d6a54f3adc0d118eb

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://ordinateur.ogivart.us/editor/Qpo7OAOnbe/

xlm40.dropper

http://old.liceum9.ru/images/0/

xlm40.dropper

http://ostadsarma.com/wp-admin/pYk64Hh3z5hjnMziZ/

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 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

Processes:

EXCEL.EXE

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid	Process
4124	EXCEL.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid	Process
4124	EXCEL.EXE
4124	EXCEL.EXE
4124	EXCEL.EXE
4124	EXCEL.EXE
4124	EXCEL.EXE
4124	EXCEL.EXE
4124	EXCEL.EXE
4124	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\_i=1tbmasfnn.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4124

Network

MITRE ATT&CK Enterprise v6

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/4124-130-0x00007FFC54050000-0x00007FFC54060000-memory.dmp

Filesize
64KB

Download
memory/4124-131-0x00007FFC54050000-0x00007FFC54060000-memory.dmp

Filesize
64KB

Download
memory/4124-132-0x00007FFC54050000-0x00007FFC54060000-memory.dmp

Filesize
64KB

Download
memory/4124-133-0x00007FFC54050000-0x00007FFC54060000-memory.dmp

Filesize
64KB

Download
memory/4124-134-0x00007FFC54050000-0x00007FFC54060000-memory.dmp

Filesize
64KB

Download
memory/4124-135-0x00007FFC51C60000-0x00007FFC51C70000-memory.dmp

Filesize
64KB

Download
memory/4124-136-0x00007FFC51C60000-0x00007FFC51C70000-memory.dmp

Filesize
64KB

Download
memory/4124-138-0x00007FFC54050000-0x00007FFC54060000-memory.dmp

Filesize
64KB

Download
memory/4124-139-0x00007FFC54050000-0x00007FFC54060000-memory.dmp

Filesize
64KB

Download
memory/4124-140-0x00007FFC54050000-0x00007FFC54060000-memory.dmp

Filesize
64KB

Download
memory/4124-141-0x00007FFC54050000-0x00007FFC54060000-memory.dmp

Filesize
64KB

Download