927c431738996539062350f11c3f93acb73afd6d429249877accfa50f300315c

Analysis

max time kernel
151s
max time network
184s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 19:25

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General

Target

资料/12月考勤/江苏二区/南京同曦（万尚城）.xls
Size

41KB
MD5

15b7522b0e585ce7a3db8c7286763051
SHA1

20a62ed5eb49132ab3505230087fec65981b5562
SHA256

c4e94364d1ed282010722c59f290bbdded522393a1f209ba7a6ff89cbbab86db
SHA512

676855b588c670179d3a6fd1c45a9bfff635c0bf28db3a9c4e9ecb1527d5dfa47997128856e8e899bffb8d116eb67ef1cc167d8c8f54879c46d24a3ef17448ef
SSDEEP

768:0kkkqJmqcCJiiCmxQJtV8PIQepEo7S74UR2JJFyZ959Jhc/+IR8+adB:0kkkqJmqcCJiiCmxQJtV8PIQepEo7S7f

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

1260 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1260	EXCEL.EXE
1260	EXCEL.EXE
1260	EXCEL.EXE
1260	EXCEL.EXE
1260	EXCEL.EXE
1260	EXCEL.EXE
1260	EXCEL.EXE
1260	EXCEL.EXE
1260	EXCEL.EXE
1260	EXCEL.EXE
1260	EXCEL.EXE
1260	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\资料\12月考勤\江苏二区\南京同曦（万尚城）.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1260

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/1260-132-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/1260-133-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/1260-134-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/1260-135-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/1260-136-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/1260-137-0x00007FF8A76C0000-0x00007FF8A76D0000-memory.dmp

Filesize
64KB

Download
memory/1260-138-0x00007FF8A76C0000-0x00007FF8A76D0000-memory.dmp

Filesize
64KB

Download
memory/1260-140-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/1260-141-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/1260-142-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/1260-143-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download