792a7b8e75aa51f90c66ee711faf429dfe3220b038cc3725ee935083fcb60e0f

Analysis

max time kernel
130s
max time network
134s
platform
windows10_x64
resource
win10-en-20211208
submitted
13-01-2022 22:37

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General

Target

792a7b8e75aa51f90c66ee711faf429dfe3220b038cc3725ee935083fcb60e0f.xlsm
Size

83KB
MD5

7a289586cef7787e334abefa7601508c
SHA1

f4d6bb8ffcd38e7b9f8d31c7a442f0388cfe5602
SHA256

792a7b8e75aa51f90c66ee711faf429dfe3220b038cc3725ee935083fcb60e0f
SHA512

d8b236deb1e722a3a724b587db0737fa2c9cf500817a32017300d6de7541e75a571b7813f0a78a4cad1d02af685ef6acf5522990b0372612de87edc0c4e00632

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://adi.iswks.com/assets/hO1v71pqfNN/

xlm40.dropper

http://kopbhawan.com/mdphht/fwqEBVQlJXHayt/

xlm40.dropper

http://towardsun.net/admin/dcg3jSLkPuYsQ5xB/

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

3780 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

3780 EXCEL.EXE
3780 EXCEL.EXE
3780 EXCEL.EXE
3780 EXCEL.EXE
3780 EXCEL.EXE
3780 EXCEL.EXE
3780 EXCEL.EXE
3780 EXCEL.EXE

pid	process
3780	EXCEL.EXE

pid	process
3780	EXCEL.EXE
3780	EXCEL.EXE
3780	EXCEL.EXE
3780	EXCEL.EXE
3780	EXCEL.EXE
3780	EXCEL.EXE
3780	EXCEL.EXE
3780	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\792a7b8e75aa51f90c66ee711faf429dfe3220b038cc3725ee935083fcb60e0f.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3780

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/3780-115-0x00007FF9D70A0000-0x00007FF9D70B0000-memory.dmp

Filesize
64KB

Download
memory/3780-116-0x00007FF9D70A0000-0x00007FF9D70B0000-memory.dmp

Filesize
64KB

Download
memory/3780-117-0x00007FF9D70A0000-0x00007FF9D70B0000-memory.dmp

Filesize
64KB

Download
memory/3780-118-0x00007FF9D70A0000-0x00007FF9D70B0000-memory.dmp

Filesize
64KB

Download
memory/3780-119-0x000001E6634D0000-0x000001E6634D2000-memory.dmp

Filesize
8KB

Download
memory/3780-120-0x000001E6634D0000-0x000001E6634D2000-memory.dmp

Filesize
8KB

Download
memory/3780-121-0x000001E6634D0000-0x000001E6634D2000-memory.dmp

Filesize
8KB

Download
memory/3780-127-0x00007FF9D70A0000-0x00007FF9D70B0000-memory.dmp

Filesize
64KB

Download
memory/3780-128-0x00007FF9D3640000-0x00007FF9D3650000-memory.dmp

Filesize
64KB

Download
memory/3780-129-0x00007FF9D3640000-0x00007FF9D3650000-memory.dmp

Filesize
64KB

Download