a59149fcacf8a5c564f48dc446b7cef1203a0ab92fec9dead2b3645bb24d3e51

Analysis

max time kernel
128s
max time network
131s
platform
windows10_x64
resource
win10-en-20211208
submitted
15-01-2022 01:49

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General

Target

a59149fcacf8a5c564f48dc446b7cef1203a0ab92fec9dead2b3645bb24d3e51.xlsm
Size

83KB
MD5

0f9d8eef6e2b87a3759a45e1e127d94a
SHA1

1333efaa172a9d858b686482c75d4d4b13582a9b
SHA256

a59149fcacf8a5c564f48dc446b7cef1203a0ab92fec9dead2b3645bb24d3e51
SHA512

82e63db9145621fa07011a36f82cd603c40a8ca9dfa6408318923eec182d89acd3e552d19bbe9fcfdd4127bcb05bcef0de5ed4f1a38577d2c05b0844adc6a499

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://mail.emilyanncain.com/cgi-bin/A7NT3ENvn/

xlm40.dropper

https://wordpress.baishuweb.com/wp-includes/10q0ice6/

xlm40.dropper

http://monorailegypt.com/wp-admin/6uBf9CCfZRMh/

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

504 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

504 EXCEL.EXE
504 EXCEL.EXE
504 EXCEL.EXE
504 EXCEL.EXE
504 EXCEL.EXE
504 EXCEL.EXE
504 EXCEL.EXE
504 EXCEL.EXE

pid	process
504	EXCEL.EXE

pid	process
504	EXCEL.EXE
504	EXCEL.EXE
504	EXCEL.EXE
504	EXCEL.EXE
504	EXCEL.EXE
504	EXCEL.EXE
504	EXCEL.EXE
504	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\a59149fcacf8a5c564f48dc446b7cef1203a0ab92fec9dead2b3645bb24d3e51.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:504

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/504-115-0x00007FF969B20000-0x00007FF969B30000-memory.dmp

Filesize
64KB

Download
memory/504-116-0x00007FF969B20000-0x00007FF969B30000-memory.dmp

Filesize
64KB

Download
memory/504-117-0x00007FF969B20000-0x00007FF969B30000-memory.dmp

Filesize
64KB

Download
memory/504-118-0x00007FF969B20000-0x00007FF969B30000-memory.dmp

Filesize
64KB

Download
memory/504-119-0x0000024C69DB0000-0x0000024C69DB2000-memory.dmp

Filesize
8KB

Download
memory/504-120-0x0000024C69DB0000-0x0000024C69DB2000-memory.dmp

Filesize
8KB

Download
memory/504-121-0x00007FF969B20000-0x00007FF969B30000-memory.dmp

Filesize
64KB

Download
memory/504-122-0x0000024C69DB0000-0x0000024C69DB2000-memory.dmp

Filesize
8KB

Download
memory/504-128-0x00007FF966FD0000-0x00007FF966FE0000-memory.dmp

Filesize
64KB

Download
memory/504-129-0x00007FF966FD0000-0x00007FF966FE0000-memory.dmp

Filesize
64KB

Download