7ed87b2de5a5fc84bc6892ee5f5b0aed47a49f4aa716569c072f6edc1e105507

General

Target

catalog-2116408246.xls
Size

367KB
MD5

f2ab3188a76f10a71956ea4443e9e745
SHA1

a000b586d26b7a2a59d9b41751a206c478296ea9
SHA256

dcc1da3532db416111d035a0ec2b8c66977e9efe87495ce342db41204d99c56c
SHA512

7a49f47e63c30f8a9180fd4ae5acc6a569048793984de655b76a98f3b061aa02c1b0e04217934545b58379bb3a5171e78d0542cbbe85622c2e71bf1f932213a0

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	1300	1208	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1056	1208	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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	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 (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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1208 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1208 EXCEL.EXE
1208 EXCEL.EXE
1208 EXCEL.EXE

pid	process
1208	EXCEL.EXE

pid	process
1208	EXCEL.EXE
1208	EXCEL.EXE
1208	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1208 wrote to memory of 1300	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1300	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1300	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1300	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1300	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1300	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1300	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1056	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1056	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1056	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1056	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1056	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1056	1208	EXCEL.EXE	rundll32.exe
PID 1208 wrote to memory of 1056	1208	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-2116408246.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1208

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1300

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\tuti.rut1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1056

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/1056-64-0x0000000000000000-mapping.dmp

Download
memory/1208-59-0x000000002FA01000-0x000000002FA04000-memory.dmp

Filesize
12KB

Download
memory/1208-60-0x0000000071081000-0x0000000071083000-memory.dmp

Filesize
8KB

Download
memory/1208-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1300-62-0x0000000000000000-mapping.dmp

Download
memory/1300-63-0x0000000075561000-0x0000000075563000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads