4e7ff63e7614c6ac13b420df2ecb99aa41cbd829f31eabf0f905541baf7cdd60

Analysis

max time kernel
104s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 18:47

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General

Target

永胜FTTB/富顺县骑龙镇永胜乡全光改造工程(设备).xls
Size

123KB
MD5

f3c3cb1969715fe28564ecb74f2e0705
SHA1

962fd304cda8dcb1b1107f84c1ee87eb14816ebb
SHA256

0310b90265cfe1600aa63d531921ae5e996bfee186aca4735849ac3f8f89fddc
SHA512

8f082e301f4be7fe165b392d348a2fa98d1adfca2fe3b17a3781b5353a00152cbff05025fe49c36277422d09cfe9b37378bd336310e4cda06b78e6085f345e88
SSDEEP

768:kxxx67+7pPG6/cyx9iTLVEnKCp9T9KSlOf2h/OXB7HK6SSuRIP6dgBx7fK6SSuRe:kxxx67+dG6/ct9Cp7DdEvqE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4832 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4832	EXCEL.EXE
4832	EXCEL.EXE
4832	EXCEL.EXE
4832	EXCEL.EXE
4832	EXCEL.EXE
4832	EXCEL.EXE
4832	EXCEL.EXE
4832	EXCEL.EXE
4832	EXCEL.EXE
4832	EXCEL.EXE
4832	EXCEL.EXE
4832	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\永胜FTTB\富顺县骑龙镇永胜乡全光改造工程(设备).xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4832

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/4832-135-0x00007FFCCDEB0000-0x00007FFCCDEC0000-memory.dmp

Filesize
64KB

Download
memory/4832-136-0x00007FFCCDEB0000-0x00007FFCCDEC0000-memory.dmp

Filesize
64KB

Download
memory/4832-137-0x00007FFCCDEB0000-0x00007FFCCDEC0000-memory.dmp

Filesize
64KB

Download
memory/4832-138-0x00007FFCCDEB0000-0x00007FFCCDEC0000-memory.dmp

Filesize
64KB

Download
memory/4832-139-0x00007FFCCDEB0000-0x00007FFCCDEC0000-memory.dmp

Filesize
64KB

Download
memory/4832-140-0x00007FFCCB810000-0x00007FFCCB820000-memory.dmp

Filesize
64KB

Download
memory/4832-141-0x00007FFCCB810000-0x00007FFCCB820000-memory.dmp

Filesize
64KB

Download
memory/4832-143-0x00007FFCCDEB0000-0x00007FFCCDEC0000-memory.dmp

Filesize
64KB

Download
memory/4832-144-0x00007FFCCDEB0000-0x00007FFCCDEC0000-memory.dmp

Filesize
64KB

Download
memory/4832-145-0x00007FFCCDEB0000-0x00007FFCCDEC0000-memory.dmp

Filesize
64KB

Download
memory/4832-146-0x00007FFCCDEB0000-0x00007FFCCDEC0000-memory.dmp

Filesize
64KB

Download