087e38ca1205d98291f529bea097466be1290b11e10d83a427268e7d14814a00

General

Target

catalog-2000669852.xls
Size

367KB
MD5

6ab06abe69c7f2a6e6265d914c1cb117
SHA1

3cb89cc4786f91518abcaa1365ee89e42a024467
SHA256

faced1e805ed68a5a43c230314111b5bb1eef77588672f9c8e4a58676a346fe2
SHA512

d15c41e6e82e2daa846ede1d8cbed0e505edf7a5d447442e848bbbb9d488033092620662af73500d27bb18a6719b857bcce1d8ceda4f2a893ab804eac345b824

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	1372	1928	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1920	1928	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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1928 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1928 EXCEL.EXE
1928 EXCEL.EXE
1928 EXCEL.EXE

pid	process
1928	EXCEL.EXE

pid	process
1928	EXCEL.EXE
1928	EXCEL.EXE
1928	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1928 wrote to memory of 1372	1928	EXCEL.EXE	rundll32.exe
PID 1928 wrote to memory of 1372	1928	EXCEL.EXE	rundll32.exe
PID 1928 wrote to memory of 1372	1928	EXCEL.EXE	rundll32.exe
PID 1928 wrote to memory of 1372	1928	EXCEL.EXE	rundll32.exe
PID 1928 wrote to memory of 1372	1928	EXCEL.EXE	rundll32.exe
PID 1928 wrote to memory of 1372	1928	EXCEL.EXE	rundll32.exe
PID 1928 wrote to memory of 1372	1928	EXCEL.EXE	rundll32.exe
PID 1928 wrote to memory of 1920	1928	EXCEL.EXE	rundll32.exe
PID 1928 wrote to memory of 1920	1928	EXCEL.EXE	rundll32.exe
PID 1928 wrote to memory of 1920	1928	EXCEL.EXE	rundll32.exe
PID 1928 wrote to memory of 1920	1928	EXCEL.EXE	rundll32.exe
PID 1928 wrote to memory of 1920	1928	EXCEL.EXE	rundll32.exe
PID 1928 wrote to memory of 1920	1928	EXCEL.EXE	rundll32.exe
PID 1928 wrote to memory of 1920	1928	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-2000669852.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1372

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1920

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/1372-63-0x0000000000000000-mapping.dmp

Download
memory/1372-64-0x0000000076691000-0x0000000076693000-memory.dmp

Filesize
8KB

Download
memory/1920-65-0x0000000000000000-mapping.dmp

Download
memory/1928-60-0x000000002FB91000-0x000000002FB94000-memory.dmp

Filesize
12KB

Download
memory/1928-61-0x00000000716C1000-0x00000000716C3000-memory.dmp

Filesize
8KB

Download
memory/1928-62-0x000000005FFF0000-0x0000000060000000-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