5e7952a503858821de90a6630ab1054fb7d1324ac09f02c3b301c5a7ca3c1589

General

Target

catalog-1915702639.xls
Size

367KB
MD5

10876a6690fc3ee72e28b66d11093677
SHA1

7f63d09326c4bf8427e9cad5bc9e13df78bba58c
SHA256

cde7d3bcb03f407090717fc2d8eb6e9aa32d43d67ff8d49d817ce6a59cccf3f6
SHA512

53aa3d7c3daa64bf6ca2da0f27ff84d46a53c374985e09739470c2ea4e5247f3772adc05702f0b75c21f841568591c120b608186ddf9d9636807865f8d833fc5

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://smartpalakatva.com/edQsUZOLlE/th.html

xlm40.dropper

https://pilstlcommodities.com/Ov4FlB3lpy/th.html

Signatures

Process spawned unexpected child process 2 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.exerundll32.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	760	2000	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1064	2000	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 (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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

2000 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

2000 EXCEL.EXE
2000 EXCEL.EXE
2000 EXCEL.EXE

pid	process
2000	EXCEL.EXE

pid	process
2000	EXCEL.EXE
2000	EXCEL.EXE
2000	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2000 wrote to memory of 760	2000	EXCEL.EXE	rundll32.exe
PID 2000 wrote to memory of 760	2000	EXCEL.EXE	rundll32.exe
PID 2000 wrote to memory of 760	2000	EXCEL.EXE	rundll32.exe
PID 2000 wrote to memory of 760	2000	EXCEL.EXE	rundll32.exe
PID 2000 wrote to memory of 760	2000	EXCEL.EXE	rundll32.exe
PID 2000 wrote to memory of 760	2000	EXCEL.EXE	rundll32.exe
PID 2000 wrote to memory of 760	2000	EXCEL.EXE	rundll32.exe
PID 2000 wrote to memory of 1064	2000	EXCEL.EXE	rundll32.exe
PID 2000 wrote to memory of 1064	2000	EXCEL.EXE	rundll32.exe
PID 2000 wrote to memory of 1064	2000	EXCEL.EXE	rundll32.exe
PID 2000 wrote to memory of 1064	2000	EXCEL.EXE	rundll32.exe
PID 2000 wrote to memory of 1064	2000	EXCEL.EXE	rundll32.exe
PID 2000 wrote to memory of 1064	2000	EXCEL.EXE	rundll32.exe
PID 2000 wrote to memory of 1064	2000	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\catalog-1915702639.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\tuti.rut,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:760
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\tuti.rut1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1064

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/760-63-0x0000000000000000-mapping.dmp

Download
memory/760-64-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

Download
memory/1064-65-0x0000000000000000-mapping.dmp

Download
memory/2000-60-0x000000002F371000-0x000000002F374000-memory.dmp

Filesize
12KB

Download
memory/2000-61-0x0000000071CC1000-0x0000000071CC3000-memory.dmp

Filesize
8KB

Download
memory/2000-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads