42e23ef70fd55982c25ce5bd3a21d8442fe1412693c578c6a27c6d852570ea82

General

Target

purch_details_7683561.xlsm
Size

118KB
MD5

4adb1c704a4a80ecb81c64a434668532
SHA1

2062f59fffc47e4e9bcd54617e41e5cbca9299f2
SHA256

42e23ef70fd55982c25ce5bd3a21d8442fe1412693c578c6a27c6d852570ea82
SHA512

1a22f35118c728f91a59889c54bef878ff4f4d04f82abb926415ee8730618e9f0ef83dc70f52d579b8b4157bca380b8a23ef3e1a0a34569950ff363a4d8b6862

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://162.248.225.95/d.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	616	1272	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
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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 (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
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
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 (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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1272 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1272 EXCEL.EXE
1272 EXCEL.EXE
1272 EXCEL.EXE

pid	process
1272	EXCEL.EXE

pid	process
1272	EXCEL.EXE
1272	EXCEL.EXE
1272	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1272 wrote to memory of 616	1272	EXCEL.EXE	regsvr32.exe
PID 1272 wrote to memory of 616	1272	EXCEL.EXE	regsvr32.exe
PID 1272 wrote to memory of 616	1272	EXCEL.EXE	regsvr32.exe
PID 1272 wrote to memory of 616	1272	EXCEL.EXE	regsvr32.exe
PID 1272 wrote to memory of 616	1272	EXCEL.EXE	regsvr32.exe
PID 1272 wrote to memory of 616	1272	EXCEL.EXE	regsvr32.exe
PID 1272 wrote to memory of 616	1272	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\purch_details_7683561.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1272

C:\Windows\SysWOW64\regsvr32.exe
regsvr32 -slient ..\zvbxnx.dll
2⤵
- Process spawned unexpected child process
PID:616

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/616-62-0x0000000000000000-mapping.dmp

Download
memory/616-63-0x0000000075591000-0x0000000075593000-memory.dmp

Filesize
8KB

Download
memory/1272-59-0x000000002FD81000-0x000000002FD84000-memory.dmp

Filesize
12KB

Download
memory/1272-60-0x0000000071191000-0x0000000071193000-memory.dmp

Filesize
8KB

Download
memory/1272-61-0x000000005FFF0000-0x0000000060000000-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