dbb9b1dff45c110189b9a553a73457e2143173cfa0ae82ffa176d490b2c33212

General

Target

societ_1965.xlsb
Size

68KB
MD5

58e423c70460ff2e8d8b1ffe2b16400f
SHA1

c48df391a979e4db06d05f70962ef828beb51dd0
SHA256

dbb9b1dff45c110189b9a553a73457e2143173cfa0ae82ffa176d490b2c33212
SHA512

b2a6fa2d590841796d03f2c66d23deeb121c8e29caa257197c9d24a150690489a80f99f94206c34b64cd7145a676a67564bd883fe59c46e5b4f06c922f1852c6

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://linestata.bar/register.jpg

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	756	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\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
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\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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2008 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2008 wrote to memory of 756	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 756	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 756	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 756	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 756	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 756	2008	EXCEL.EXE	rundll32.exe
PID 2008 wrote to memory of 756	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\societ_1965.xlsb
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
"C:\Windows\System32\rundll32.exe" C:\TdxMylM\ihKrJuy\jTBEYBF.dll,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:756

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/756-6-0x0000000000000000-mapping.dmp

Download
memory/756-7-0x0000000075EA1000-0x0000000075EA3000-memory.dmp

Filesize
8KB

Download
memory/1124-5-0x000007FEF7020000-0x000007FEF729A000-memory.dmp

Filesize
2.5MB

Download
memory/2008-2-0x000000002F1C1000-0x000000002F1C4000-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