dcc6409e704780116523a3e6ca35edf1399b381568d26b6d0373d1d9e00be491

General

Target

fckijxld.xlsm
Size

46KB
MD5

969869a41c8f52fc0853eaaba007be0f
SHA1

7d1c58a56647a9f3ede204d60fa0e6813d1ad8d1
SHA256

dcc6409e704780116523a3e6ca35edf1399b381568d26b6d0373d1d9e00be491
SHA512

c4a1a7ff06d4b59ed39640ca213bc1640907b304b613e47b9fe3561cd7caf6acb4f0c9a0fe19c9bb79b86dcbcae51bebec1831c732396cb1294b2860bd387c86

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://eles-tech.com/css/KzMysMqFMs/

xlm40.dropper

http://gonorthhalifax.com/wp-content/yTmYyLbTKZV2czsUO/

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4412	2356	regsvr32.exe	80

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

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

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

pid	Process
2356	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE
2356	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 4412	2356	EXCEL.EXE	94
PID 2356 wrote to memory of 4412	2356	EXCEL.EXE	94
PID 2356 wrote to memory of 4412	2356	EXCEL.EXE	94

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\fckijxld.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\xewn.dll
  2⤵
  - Process spawned unexpected child process
  PID:4412

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\xewn.dll

Filesize
679KB

MD5
969717a6e427dae36c8215d681481100

SHA1
2c739456b5332df5819ac98c882883b92488c8d1

SHA256
50b9932ae9a50de9627a1ce590e4cf9fc5dda7a9e2ca263e0ea961f5148e42a8

SHA512
0f04ac475e254cde73fff44edfce1651f54563315e169c3c7efd7e72c6ddddf7ecb6ffefe784953b0435ef002adfed6de3e98936e50765bb09a1ccbfc9ba30ac

Download Submit
memory/2356-130-0x00007FF9485D0000-0x00007FF9485E0000-memory.dmp

Filesize
64KB

Download
memory/2356-131-0x00007FF9485D0000-0x00007FF9485E0000-memory.dmp

Filesize
64KB

Download
memory/2356-132-0x00007FF9485D0000-0x00007FF9485E0000-memory.dmp

Filesize
64KB

Download
memory/2356-133-0x00007FF9485D0000-0x00007FF9485E0000-memory.dmp

Filesize
64KB

Download
memory/2356-134-0x00007FF9485D0000-0x00007FF9485E0000-memory.dmp

Filesize
64KB

Download
memory/2356-135-0x00007FF946570000-0x00007FF946580000-memory.dmp

Filesize
64KB

Download
memory/2356-136-0x00007FF946570000-0x00007FF946580000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads