59253dd636251a8e1ffd0ab7343f8cb0b2b341a205f70cc0cec35997a720366f

General

Target

societ_194.xlsb
Size

71KB
MD5

a2f4eb67fd27ceceee347688796bf13e
SHA1

b9b2a520f485e386f158261869277b5cd2568c4c
SHA256

59253dd636251a8e1ffd0ab7343f8cb0b2b341a205f70cc0cec35997a720366f
SHA512

a0c80b99b5461b7d6cffdf6e432f75db7e0a50abd60e4d95cca7cc789fe37f73187bae8c0e69f1fac45e04f6461d04e199c1216b6bf6e7dbc54a9cae176138ea

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	780	1204	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\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	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\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\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
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

1204 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1204 EXCEL.EXE
1204 EXCEL.EXE
1204 EXCEL.EXE
1204 EXCEL.EXE
1204 EXCEL.EXE

pid	process
1204	EXCEL.EXE

pid	process
1204	EXCEL.EXE
1204	EXCEL.EXE
1204	EXCEL.EXE
1204	EXCEL.EXE
1204	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1204 wrote to memory of 780	1204	EXCEL.EXE	rundll32.exe
PID 1204 wrote to memory of 780	1204	EXCEL.EXE	rundll32.exe
PID 1204 wrote to memory of 780	1204	EXCEL.EXE	rundll32.exe
PID 1204 wrote to memory of 780	1204	EXCEL.EXE	rundll32.exe
PID 1204 wrote to memory of 780	1204	EXCEL.EXE	rundll32.exe
PID 1204 wrote to memory of 780	1204	EXCEL.EXE	rundll32.exe
PID 1204 wrote to memory of 780	1204	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_194.xlsb
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1204

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\TdxMylM\ihKrJuy\jTBEYBF.dll,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:780

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/780-6-0x0000000000000000-mapping.dmp

Download
memory/780-7-0x00000000765E1000-0x00000000765E3000-memory.dmp

Filesize
8KB

Download
memory/1180-5-0x000007FEF6350000-0x000007FEF65CA000-memory.dmp

Filesize
2.5MB

Download
memory/1204-2-0x000000002F2A1000-0x000000002F2A4000-memory.dmp

Filesize
12KB

Download
memory/1204-3-0x0000000071581000-0x0000000071583000-memory.dmp

Filesize
8KB

Download
memory/1204-4-0x000000005FFF0000-0x0000000060000000-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