fb51ebfd72054de8cbd7f74a05ce8d3cce650a9224c21504077cce9e86ae6fd1

Analysis

max time kernel
131s
max time network
130s
platform
windows10_x64
resource
win10-en-20211208
submitted
14-01-2022 15:57

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General

Target

fb51ebfd72054de8cbd7f74a05ce8d3cce650a9224c21504077cce9e86ae6fd1.xlsm
Size

83KB
MD5

48428b9169c6e692374591bea2b72937
SHA1

cea05aae8d1a2b46c22266243d133da0453df4e8
SHA256

fb51ebfd72054de8cbd7f74a05ce8d3cce650a9224c21504077cce9e86ae6fd1
SHA512

0ab2e83877d5c6d4a0632eeacaffdf54bc04e493ec47f992ddc0337a8ba77795e03e524144633a1e211929260a52069e3a32b169312bf91f1325e4c5dc5f1542

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://therecyclingmachine.com/wp-admin/LzpOZSlkq90fYT1/

xlm40.dropper

http://zhongmaifangwu.com/TEST777/3U4Un0u/

xlm40.dropper

http://chicagocloudgroup.com/wp-content/updraft/OKXV/

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

1020 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

1020 EXCEL.EXE
1020 EXCEL.EXE
1020 EXCEL.EXE
1020 EXCEL.EXE
1020 EXCEL.EXE
1020 EXCEL.EXE
1020 EXCEL.EXE
1020 EXCEL.EXE

pid	process
1020	EXCEL.EXE

pid	process
1020	EXCEL.EXE
1020	EXCEL.EXE
1020	EXCEL.EXE
1020	EXCEL.EXE
1020	EXCEL.EXE
1020	EXCEL.EXE
1020	EXCEL.EXE
1020	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\fb51ebfd72054de8cbd7f74a05ce8d3cce650a9224c21504077cce9e86ae6fd1.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1020

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/1020-118-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Filesize
64KB

Download
memory/1020-119-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Filesize
64KB

Download
memory/1020-120-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Filesize
64KB

Download
memory/1020-121-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Filesize
64KB

Download
memory/1020-122-0x000002EB9BE40000-0x000002EB9BE42000-memory.dmp

Filesize
8KB

Download
memory/1020-123-0x000002EB9BE40000-0x000002EB9BE42000-memory.dmp

Filesize
8KB

Download
memory/1020-124-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Filesize
64KB

Download
memory/1020-125-0x000002EB9BE40000-0x000002EB9BE42000-memory.dmp

Filesize
8KB

Download