7ba924ed45ba93fc99b5391974ad4735df537ebb86d0da6d043f87ce3f019f38

General

Target

paym_approval_8909830.xlsm
Size

118KB
MD5

25740577bfb13e807aa64ac60ba6409d
SHA1

66931af10b3c44062ba9b4be5a4574839db2928d
SHA256

7ba924ed45ba93fc99b5391974ad4735df537ebb86d0da6d043f87ce3f019f38
SHA512

039e501824858fadce4a93baf14ea61fa084183927943b5f741d72ca7c523dff387caf1420cd2c0f093b4793e70a94558fa046214b8edc7f662e5896a9ecf927

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	1684	1984	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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1984 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1984 EXCEL.EXE
1984 EXCEL.EXE
1984 EXCEL.EXE

pid	process
1984	EXCEL.EXE

pid	process
1984	EXCEL.EXE
1984	EXCEL.EXE
1984	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1984 wrote to memory of 1684	1984	EXCEL.EXE	regsvr32.exe
PID 1984 wrote to memory of 1684	1984	EXCEL.EXE	regsvr32.exe
PID 1984 wrote to memory of 1684	1984	EXCEL.EXE	regsvr32.exe
PID 1984 wrote to memory of 1684	1984	EXCEL.EXE	regsvr32.exe
PID 1984 wrote to memory of 1684	1984	EXCEL.EXE	regsvr32.exe
PID 1984 wrote to memory of 1684	1984	EXCEL.EXE	regsvr32.exe
PID 1984 wrote to memory of 1684	1984	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\paym_approval_8909830.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1984

C:\Windows\SysWOW64\regsvr32.exe
regsvr32 -slient ..\zvbxnx.dll
2⤵
- Process spawned unexpected child process
PID:1684

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/1684-62-0x0000000000000000-mapping.dmp

Download
memory/1684-63-0x00000000767B1000-0x00000000767B3000-memory.dmp

Filesize
8KB

Download
memory/1984-59-0x000000002FB71000-0x000000002FB74000-memory.dmp

Filesize
12KB

Download
memory/1984-60-0x0000000071851000-0x0000000071853000-memory.dmp

Filesize
8KB

Download
memory/1984-61-0x000000005FFF0000-0x0000000060000000-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