b50bc2740da1618a1c0ac3cedffe35a499e0fcf700214736241cf736897fd94a

Analysis

max time kernel
148s
max time network
128s
platform
windows10_x64
resource
win10v20210408
submitted
13-10-2021 13:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Payment-YSSZ.xlsb
Size

255KB
MD5

bbce21ac6ad66c8294621556da70e895
SHA1

29ced0cde6a261484013bbc392c230d430eeda47
SHA256

b50bc2740da1618a1c0ac3cedffe35a499e0fcf700214736241cf736897fd94a
SHA512

f3c547c7f4e523845df876d34eaefc682c5483c7ae45a5aa0851b93dd6480df265a27ef8ac867e6c641dc6a27ede03eac1891c853460fa875b4c6c11f1ac3aa3

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

908 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
908	EXCEL.EXE
908	EXCEL.EXE
908	EXCEL.EXE
908	EXCEL.EXE
908	EXCEL.EXE
908	EXCEL.EXE
908	EXCEL.EXE
908	EXCEL.EXE
908	EXCEL.EXE
908	EXCEL.EXE
908	EXCEL.EXE
908	EXCEL.EXE
908	EXCEL.EXE
908	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\Payment-YSSZ.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:908

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

Loading Replay Monitor...

Downloads

memory/908-114-0x00007FFAB7550000-0x00007FFAB7560000-memory.dmp

Filesize
64KB

Download
memory/908-115-0x00007FFAB7550000-0x00007FFAB7560000-memory.dmp

Filesize
64KB

Download
memory/908-116-0x00007FFAB7550000-0x00007FFAB7560000-memory.dmp

Filesize
64KB

Download
memory/908-117-0x00007FFAB7550000-0x00007FFAB7560000-memory.dmp

Filesize
64KB

Download
memory/908-118-0x00000220DA740000-0x00000220DA742000-memory.dmp

Filesize
8KB

Download
memory/908-119-0x00000220DA740000-0x00000220DA742000-memory.dmp

Filesize
8KB

Download
memory/908-120-0x00007FFAB7550000-0x00007FFAB7560000-memory.dmp

Filesize
64KB

Download
memory/908-121-0x00000220DA740000-0x00000220DA742000-memory.dmp

Filesize
8KB

Download
memory/908-169-0x00000220DA740000-0x00000220DA742000-memory.dmp

Filesize
8KB

Download
memory/908-170-0x00000220DA740000-0x00000220DA742000-memory.dmp

Filesize
8KB

Download