811c8a05199d68407481cc3c9c7b7b47449b39a1a139c546d6a2a34d112a8fbf

Analysis

max time kernel
132s
max time network
135s
platform
windows10_x64
resource
win10-20220310-en
submitted
28-03-2022 20:13

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General

Target

811c8a05199d68407481cc3c9c7b7b47449b39a1a139c546d6a2a34d112a8fbf.xls
Size

126KB
MD5

9ae1f8a3513ea5e1b088956b9cbcc32f
SHA1

c67dd16f34d7eaaf473252c40d4441d8d09815cb
SHA256

811c8a05199d68407481cc3c9c7b7b47449b39a1a139c546d6a2a34d112a8fbf
SHA512

414b36f4d9fc15e14a8c0fece64967cace4ea4eae6d4d7ccc6c724a181fecca92783808468de15b8699c8065541c1bd4d040c0989bb338ab3c9a56222e9c8ea7

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://med.devsrm.com/wp-content/gtOOTHi3zkUbn8U6/

xlm40.dropper

http://izytalab.com/includes/1mafAX0kOa/

xlm40.dropper

https://pcsolutionss.com/zSlT4HR92TiOpw5NM/

xlm40.dropper

http://www.doctorcasenave.com/wp-content/O2Z1HMebIXiHYBBS/

xlm40.dropper

https://wpl28.realtyna.com/wp-content/0b0ny5cPM/

xlm40.dropper

http://www.efcballjoint.com/Template/AxEZPOfAa9/

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

2448 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

2448 EXCEL.EXE
2448 EXCEL.EXE
2448 EXCEL.EXE
2448 EXCEL.EXE
2448 EXCEL.EXE
2448 EXCEL.EXE
2448 EXCEL.EXE
2448 EXCEL.EXE

pid	process
2448	EXCEL.EXE

pid	process
2448	EXCEL.EXE
2448	EXCEL.EXE
2448	EXCEL.EXE
2448	EXCEL.EXE
2448	EXCEL.EXE
2448	EXCEL.EXE
2448	EXCEL.EXE
2448	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\811c8a05199d68407481cc3c9c7b7b47449b39a1a139c546d6a2a34d112a8fbf.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2448

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/2448-118-0x00007FFFB9990000-0x00007FFFB99A0000-memory.dmp

Filesize
64KB

Download
memory/2448-119-0x00007FFFB9990000-0x00007FFFB99A0000-memory.dmp

Filesize
64KB

Download
memory/2448-120-0x00007FFFB9990000-0x00007FFFB99A0000-memory.dmp

Filesize
64KB

Download
memory/2448-121-0x00007FFFB9990000-0x00007FFFB99A0000-memory.dmp

Filesize
64KB

Download
memory/2448-281-0x00007FFFB9990000-0x00007FFFB99A0000-memory.dmp

Filesize
64KB

Download
memory/2448-282-0x00007FFFB9990000-0x00007FFFB99A0000-memory.dmp

Filesize
64KB

Download
memory/2448-283-0x00007FFFB9990000-0x00007FFFB99A0000-memory.dmp

Filesize
64KB

Download
memory/2448-284-0x00007FFFB9990000-0x00007FFFB99A0000-memory.dmp

Filesize
64KB

Download