0782a2070e674e39d93e31282fe5f9ca680c45394c39fb7fa343ec87a6f6cd94

General

Target

SecuriteInfo.com.Heur.9603.22830.xls
Size

273KB
MD5

ce21a33b634b572514cdc5a327b08778
SHA1

f7ac6299d0e19f452e4828bcb30eb9cb50383fff
SHA256

0782a2070e674e39d93e31282fe5f9ca680c45394c39fb7fa343ec87a6f6cd94
SHA512

31b57f6e5cbb55d122e4b859911126e7cae56a8908aa17760656b2ae42e81be5899158930a04c311ae7f5ab93f7e2d8e8813c9eae0050783ac403194610cae0a

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://sssolutionsllc.org/k.php

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

rundll32.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	924	1740	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\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	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
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	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 (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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1740 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1740 EXCEL.EXE
1740 EXCEL.EXE
1740 EXCEL.EXE

pid	process
1740	EXCEL.EXE

pid	process
1740	EXCEL.EXE
1740	EXCEL.EXE
1740	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1740 wrote to memory of 924	1740	EXCEL.EXE	rundll32.exe
PID 1740 wrote to memory of 924	1740	EXCEL.EXE	rundll32.exe
PID 1740 wrote to memory of 924	1740	EXCEL.EXE	rundll32.exe
PID 1740 wrote to memory of 924	1740	EXCEL.EXE	rundll32.exe
PID 1740 wrote to memory of 924	1740	EXCEL.EXE	rundll32.exe
PID 1740 wrote to memory of 924	1740	EXCEL.EXE	rundll32.exe
PID 1740 wrote to memory of 924	1740	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\SecuriteInfo.com.Heur.9603.22830.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1740

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\sfdgsd.dss,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:924

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\sfdgsd.dss
MD5
8706a09911e9fa810b246e39f883d031

SHA1
6d1c92364d2763beefea1d19054d2bd674aa12f7

SHA256
34f91f0a3a326d80ad01d6f9df11766233c6b2781d216383c0ca37b4289542c5

SHA512
2b8a7c580f709664316c0ab8a2d6f186c286a4a655c41aca453a394c4f1ebcf4471edc8c3c9e1362ce5fd937aba49948ddeb4a062fbd51733d64bb8288f82c64

Download Submit
memory/924-6-0x0000000000000000-mapping.dmp

Download
memory/924-7-0x00000000766F1000-0x00000000766F3000-memory.dmp

Filesize
8KB

Download
memory/1740-2-0x000000002F7A1000-0x000000002F7A4000-memory.dmp

Filesize
12KB

Download
memory/1740-3-0x00000000715E1000-0x00000000715E3000-memory.dmp

Filesize
8KB

Download
memory/1740-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1872-5-0x000007FEF63D0000-0x000007FEF664A000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads