1d6047bef4d6d734629d9025b17e9650f327fc47bf92b543aafef79afc0fabd6

General

Target

d3b2a6de1369cc594066f875b10934c9205b68eaf281ca1f7b40af8a1b169bcf.xlsm
Size

117KB
MD5

b3da423d9b56e0b27a537e61c7af5993
SHA1

53d7c6efa29f653b2bf07961abb77d4472a1accc
SHA256

d3b2a6de1369cc594066f875b10934c9205b68eaf281ca1f7b40af8a1b169bcf
SHA512

28ca2659a920f4c384ef969d3592912dc95f8bb3fae9dbc7284cb8e58db7ac2948b775e9e75d6f0cc5b40a847bee78adec81fc0d2b87f8fd853daa2ca03695de

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://185.209.160.61/2.php

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

regsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1512	1816	regsvr32.exe	EXCEL.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1816 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1816 EXCEL.EXE
1816 EXCEL.EXE
1816 EXCEL.EXE

pid	process
1816	EXCEL.EXE

pid	process
1816	EXCEL.EXE
1816	EXCEL.EXE
1816	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1816 wrote to memory of 1512	1816	EXCEL.EXE	regsvr32.exe
PID 1816 wrote to memory of 1512	1816	EXCEL.EXE	regsvr32.exe
PID 1816 wrote to memory of 1512	1816	EXCEL.EXE	regsvr32.exe
PID 1816 wrote to memory of 1512	1816	EXCEL.EXE	regsvr32.exe
PID 1816 wrote to memory of 1512	1816	EXCEL.EXE	regsvr32.exe
PID 1816 wrote to memory of 1512	1816	EXCEL.EXE	regsvr32.exe
PID 1816 wrote to memory of 1512	1816	EXCEL.EXE	regsvr32.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\d3b2a6de1369cc594066f875b10934c9205b68eaf281ca1f7b40af8a1b169bcf.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1816

C:\Windows\SysWOW64\regsvr32.exe
regsvr32 -slient ..\reyytutrutr.dll
2⤵
- Process spawned unexpected child process
PID:1512

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1512-63-0x0000000000000000-mapping.dmp

Download
memory/1512-64-0x0000000075631000-0x0000000075633000-memory.dmp

Filesize
8KB

Download
memory/1816-60-0x000000002F451000-0x000000002F454000-memory.dmp

Filesize
12KB

Download
memory/1816-61-0x0000000071081000-0x0000000071083000-memory.dmp

Filesize
8KB

Download
memory/1816-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads