edf8b59767f30d39e661e3c2274fb6425038a8d59feaa47c4136e93fc6a10f53

General

Target

SecuriteInfo.com.Exploit.Siggen3.10204.3307.14854.xls
Size

88KB
MD5

154c724e8d22717a5afba1d10833f379
SHA1

11fdadd9f2435ab35b7cb16720ecf8acf0b3a91d
SHA256

edf8b59767f30d39e661e3c2274fb6425038a8d59feaa47c4136e93fc6a10f53
SHA512

283d26c60863461c57f21ced26bb50e15cf5a3d3592560b99874b5b0d1b116eb6d2d58264ad91e68a59e24be24a96b182fe188697c2ae7b65d26064ccde84e62

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://ishikapress.com/ds/1802.gif

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	1044	1832	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
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\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
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	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 (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

1832 EXCEL.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

EXCEL.EXE

pid process

1832 EXCEL.EXE
1832 EXCEL.EXE
1832 EXCEL.EXE
1832 EXCEL.EXE
1832 EXCEL.EXE
1832 EXCEL.EXE
1832 EXCEL.EXE

pid	process
1832	EXCEL.EXE

pid	process
1832	EXCEL.EXE
1832	EXCEL.EXE
1832	EXCEL.EXE
1832	EXCEL.EXE
1832	EXCEL.EXE
1832	EXCEL.EXE
1832	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1832 wrote to memory of 1044	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 1044	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 1044	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 1044	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 1044	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 1044	1832	EXCEL.EXE	rundll32.exe
PID 1832 wrote to memory of 1044	1832	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.Exploit.Siggen3.10204.3307.14854.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1832

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\idefje.ekfd,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1044

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/1044-6-0x0000000000000000-mapping.dmp

Download
memory/1044-7-0x0000000075DE1000-0x0000000075DE3000-memory.dmp

Filesize
8KB

Download
memory/1704-5-0x000007FEF7020000-0x000007FEF729A000-memory.dmp

Filesize
2.5MB

Download
memory/1832-2-0x000000002FD91000-0x000000002FD94000-memory.dmp

Filesize
12KB

Download
memory/1832-3-0x0000000070ED1000-0x0000000070ED3000-memory.dmp

Filesize
8KB

Download
memory/1832-4-0x000000005FFF0000-0x0000000060000000-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