d0b90f932674036a1bd4db4c9b050ee66f6b1147e9e6e5f5900eb25d2c8a90b6

Analysis

max time kernel
125s
max time network
133s
platform
windows7_x64
resource
win7v20201028
submitted
01/12/2020, 05:06

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General

Target
SecuriteInfo.com.XLM.Mefisto.27.Gen.2888.9482.xls
Size 36KB
Sample201201-7x7yws3cc2
SHA256 d0b90f932674036a1bd4db4c9b050ee66f6b1147e9e6e5f5900eb25d2c8a90b6
MD5 7dc70ac2e92d3b9edcb519909e69aeab
SHA1 1ed8e0946c3a1fa8d7fad0071f05427d35c803e4
SHA512 4483577cf45bb8b00ba51052f465f492835354ff8c68ba66d27dc979ab4281ff8f7bfce4651dff27215539094d6f9234121cf7a4fe493e276009037d4c65fa58
MD5 SHA1 SHA512

Score

6^/10

Malware Config

Signatures

JavaScript code in executable 1 IoCs

yara_rule
js

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

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	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
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\Toolbar	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

pid	Process
748	EXCEL.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
748	EXCEL.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
748	EXCEL.EXE
748	EXCEL.EXE
748	EXCEL.EXE
748	EXCEL.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.XLM.Mefisto.27.Gen.2888.9482.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:748

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/624-2-0x000007FEF63D0000-0x000007FEF664A000-memory.dmp

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