64de7c2fcf041d8db827181f9fd1918521b7d1bc81473b31cd466d1640ca7781

General

Target

Item_positions_invoice_508667.xlsm
Size

83KB
MD5

ed4e10134affdf7a15f68622644d9e37
SHA1

456b755f94ae1e30b0942b16fb1fbb6253e1d306
SHA256

64de7c2fcf041d8db827181f9fd1918521b7d1bc81473b31cd466d1640ca7781
SHA512

d6d3f812bfc2f44642ad8d8426863c6235c883f53e063883f4392f9f3ddc85b4773481fb12e097394f6d89017084847ef98072271f781c83a15d2f99d10e425d

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://162.248.225.97/1.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	384	1676	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\Se&nd to OneNote	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
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
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\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1676 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1676 EXCEL.EXE
1676 EXCEL.EXE
1676 EXCEL.EXE

pid	process
1676	EXCEL.EXE

pid	process
1676	EXCEL.EXE
1676	EXCEL.EXE
1676	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1676 wrote to memory of 384	1676	EXCEL.EXE	regsvr32.exe
PID 1676 wrote to memory of 384	1676	EXCEL.EXE	regsvr32.exe
PID 1676 wrote to memory of 384	1676	EXCEL.EXE	regsvr32.exe
PID 1676 wrote to memory of 384	1676	EXCEL.EXE	regsvr32.exe
PID 1676 wrote to memory of 384	1676	EXCEL.EXE	regsvr32.exe
PID 1676 wrote to memory of 384	1676	EXCEL.EXE	regsvr32.exe
PID 1676 wrote to memory of 384	1676	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\Item_positions_invoice_508667.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1676

C:\Windows\SysWOW64\regsvr32.exe
regsvr32 -silent ..\iuretiu.dll
2⤵
- Process spawned unexpected child process
PID:384

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/384-62-0x0000000000000000-mapping.dmp

Download
memory/384-63-0x00000000767B1000-0x00000000767B3000-memory.dmp

Filesize
8KB

Download
memory/1676-59-0x000000002F371000-0x000000002F374000-memory.dmp

Filesize
12KB

Download
memory/1676-60-0x0000000071B01000-0x0000000071B03000-memory.dmp

Filesize
8KB

Download
memory/1676-61-0x000000005FFF0000-0x0000000060000000-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