281d5d2e057a2ecca94356372c1aa859fbbcd42db008ba2be42b85586f1b39b6

Analysis

max time kernel
123s
max time network
125s
platform
windows10_x64
resource
win10-en-20210920
submitted
15-10-2021 09:05

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General

Target

WPS- 3668-2021.xlsx
Size

2.1MB
MD5

caa7649ae24eafae30470a408b885c49
SHA1

d73e639c9e2d8bc4bef809d2aea88e820be04b94
SHA256

281d5d2e057a2ecca94356372c1aa859fbbcd42db008ba2be42b85586f1b39b6
SHA512

89ca7dbc3cd1d384073e118858ec501059d0fd4c65df2616f5bce64507dd0401ffd15dfa6103ab19d60286982965d7481ab1a778d9c8f9796840dd4fba69df95

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 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

1896 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1896	EXCEL.EXE
1896	EXCEL.EXE
1896	EXCEL.EXE
1896	EXCEL.EXE
1896	EXCEL.EXE
1896	EXCEL.EXE
1896	EXCEL.EXE
1896	EXCEL.EXE
1896	EXCEL.EXE
1896	EXCEL.EXE
1896	EXCEL.EXE
1896	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\WPS- 3668-2021.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1896

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/1896-115-0x00007FFE82E80000-0x00007FFE82E90000-memory.dmp

Filesize
64KB

Download
memory/1896-116-0x00007FFE82E80000-0x00007FFE82E90000-memory.dmp

Filesize
64KB

Download
memory/1896-117-0x00007FFE82E80000-0x00007FFE82E90000-memory.dmp

Filesize
64KB

Download
memory/1896-118-0x00007FFE82E80000-0x00007FFE82E90000-memory.dmp

Filesize
64KB

Download
memory/1896-119-0x00007FFE82E80000-0x00007FFE82E90000-memory.dmp

Filesize
64KB

Download
memory/1896-120-0x0000019363EB0000-0x0000019363EB2000-memory.dmp

Filesize
8KB

Download
memory/1896-121-0x0000019363EB0000-0x0000019363EB2000-memory.dmp

Filesize
8KB

Download
memory/1896-122-0x0000019363EB0000-0x0000019363EB2000-memory.dmp

Filesize
8KB

Download
memory/1896-128-0x00007FFE7F970000-0x00007FFE7F980000-memory.dmp

Filesize
64KB

Download
memory/1896-129-0x00007FFE7F970000-0x00007FFE7F980000-memory.dmp

Filesize
64KB

Download