70aa95576da74ef8c6d76af64cf4125e8a5fb9a59a58f60e714962c8f60898d2

General

Target

Complaint-Copy-684082724-03092021.xls
Size

82KB
MD5

c2da76a03a3690b5135a53312153e14e
SHA1

869f08157b4874014e48f47a64cb5d4244037e13
SHA256

70aa95576da74ef8c6d76af64cf4125e8a5fb9a59a58f60e714962c8f60898d2
SHA512

fa3191fdc561885b5d8f197d089e4fd8d3257b6a146275d58dae936b304e970216f65b2a0fe163b680ad5e3127e17c4395d1df8c200ba946765ddef801172e30

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://ca.jimitrangras.com/sjntt/44264.8290543981.dat

xlm40.dropper

http://pokojewewladyslawowie.pl/orlpzhiy/44264.8290543981.dat

xlm40.dropper

http://naidunews.com/ohcagctzl/44264.8290543981.dat

xlm40.dropper

http://buscocasascr.com/xqqikyc/44264.8290543981.dat

xlm40.dropper

http://follow-trader.com/haxzmg/44264.8290543981.dat

Signatures

Process spawned unexpected child process 5 IoCs

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

Processes:

rundll32.exerundll32.exerundll32.exerundll32.exerundll32.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	1068	2008	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1656	2008	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	616	2008	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	524	2008	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	972	2008	rundll32.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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2008 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

2008 EXCEL.EXE
2008 EXCEL.EXE
2008 EXCEL.EXE

pid	process
2008	EXCEL.EXE

pid	process
2008	EXCEL.EXE
2008	EXCEL.EXE
2008	EXCEL.EXE

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2008 wrote to memory of 1068	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 1068	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 1068	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 1068	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 1068	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 1068	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 1068	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 1656	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 1656	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 1656	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 1656	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 1656	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 1656	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 1656	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 616	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 616	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 616	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 616	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 616	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 616	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 616	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 524	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 524	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 524	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 524	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 524	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 524	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 524	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 972	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 972	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 972	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 972	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 972	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 972	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 972	2008	EXCEL.EXE	rundll32.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\Complaint-Copy-684082724-03092021.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2008

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\svvhos.dati,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1068

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\svvhos.dati1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1656

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\svvhos.dati2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:616

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\svvhos.dati3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:524

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\svvhos.dati4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:972

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/524-12-0x0000000000000000-mapping.dmp

Download
memory/616-10-0x0000000000000000-mapping.dmp

Download
memory/972-14-0x0000000000000000-mapping.dmp

Download
memory/1068-6-0x0000000000000000-mapping.dmp

Download
memory/1068-7-0x0000000075EA1000-0x0000000075EA3000-memory.dmp

Filesize
8KB

Download
memory/1656-8-0x0000000000000000-mapping.dmp

Download
memory/1928-5-0x000007FEF7020000-0x000007FEF729A000-memory.dmp

Filesize
2.5MB

Download
memory/2008-2-0x000000002F431000-0x000000002F434000-memory.dmp

Filesize
12KB

Download
memory/2008-3-0x0000000070FA1000-0x0000000070FA3000-memory.dmp

Filesize
8KB

Download
memory/2008-4-0x000000005FFF0000-0x0000000060000000-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