314c7b0bfe6cfa6bfc1dc3b16e5a3b124b7c8e639f0b908bb1771ac5984f50cb

General

Target

societ_1410.xlsb
Size

67KB
MD5

cdf0c5cad31be82c68203aa04aa20292
SHA1

3f9a1284e68d3a79cabc4fb53fb8ff3827427791
SHA256

314c7b0bfe6cfa6bfc1dc3b16e5a3b124b7c8e639f0b908bb1771ac5984f50cb
SHA512

62cd49fc5ffc3bb80bb9489ece6efb8738bcef5d3df5f756726d3196afd63df2e90307e0548aee0a669afe14833e7b9de282a6874f21fe9ba215c5f7aa4cda11

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	1480	548	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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

548 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

548 EXCEL.EXE
548 EXCEL.EXE
548 EXCEL.EXE
548 EXCEL.EXE
548 EXCEL.EXE

pid	process
548	EXCEL.EXE

pid	process
548	EXCEL.EXE
548	EXCEL.EXE
548	EXCEL.EXE
548	EXCEL.EXE
548	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 548 wrote to memory of 1480	548	EXCEL.EXE	rundll32.exe
PID 548 wrote to memory of 1480	548	EXCEL.EXE	rundll32.exe
PID 548 wrote to memory of 1480	548	EXCEL.EXE	rundll32.exe
PID 548 wrote to memory of 1480	548	EXCEL.EXE	rundll32.exe
PID 548 wrote to memory of 1480	548	EXCEL.EXE	rundll32.exe
PID 548 wrote to memory of 1480	548	EXCEL.EXE	rundll32.exe
PID 548 wrote to memory of 1480	548	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_1410.xlsb
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:548

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\TdxMylM\ihKrJuy\jTBEYBF.dll,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1480

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/548-2-0x000000002FB31000-0x000000002FB34000-memory.dmp

Filesize
12KB

Download
memory/548-3-0x0000000071AA1000-0x0000000071AA3000-memory.dmp

Filesize
8KB

Download
memory/548-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1480-6-0x0000000000000000-mapping.dmp

Download
memory/1480-7-0x0000000076451000-0x0000000076453000-memory.dmp

Filesize
8KB

Download
memory/1508-5-0x000007FEF8800000-0x000007FEF8A7A000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads