b93a9e972d297bb2a0ae163d5c9a087bf29dc5db48eaab8d9e0e5560f48065c0

General

Target

documents-122179384.xlsm
Size

95KB
MD5

64ce728339d9ca928a4f2643b6098dda
SHA1

43fb58a8536b4b97cb812f8c02329703d3085cc7
SHA256

b93a9e972d297bb2a0ae163d5c9a087bf29dc5db48eaab8d9e0e5560f48065c0
SHA512

4b83a359690fc96c994d807ddf059393c916723dbcb5776c4cbfe1551c821365da6b8f85c1046739e563e357229a1eba6689967ce5dd20117cfc88440bd070ec

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://kemard12e.ru.com/ex.html

xlm40.dropper

http://wstanton12qn.ru.com/ex.html

xlm40.dropper

http://mississippifloodinsurance.org/drms/ex.html

xlm40.dropper

https://sucessosaometas.com.br/drms/ex.html

xlm40.dropper

https://giriandassociates.co.in/drms/ex.html

Signatures

Process spawned unexpected child process 5 IoCs

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

Processes:

rundll32.exerundll32.exerundll32.exerundll32.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	428	1652	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	556	1652	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	704	1652	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	664	1652	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	824	1652	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\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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 (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
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
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

1652 EXCEL.EXE

Suspicious use of SetWindowsHookEx 11 IoCs

Processes:

EXCEL.EXE

pid	process
1652	EXCEL.EXE
1652	EXCEL.EXE
1652	EXCEL.EXE
1652	EXCEL.EXE
1652	EXCEL.EXE
1652	EXCEL.EXE
1652	EXCEL.EXE
1652	EXCEL.EXE
1652	EXCEL.EXE
1652	EXCEL.EXE
1652	EXCEL.EXE

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1652 wrote to memory of 428	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 428	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 428	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 428	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 428	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 428	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 428	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 556	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 556	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 556	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 556	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 556	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 556	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 556	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 704	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 704	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 704	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 704	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 704	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 704	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 704	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 664	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 664	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 664	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 664	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 664	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 664	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 664	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 824	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 824	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 824	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 824	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 824	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 824	1652	EXCEL.EXE	rundll32.exe
PID 1652 wrote to memory of 824	1652	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\documents-122179384.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1652

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\urlefv.wir,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:428

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\urlefv.wir1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:556

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\urlefv.wir2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:704

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\urlefv.wir3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:664

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\urlefv.wir4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:824

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/428-63-0x0000000000000000-mapping.dmp

Download
memory/428-64-0x00000000754F1000-0x00000000754F3000-memory.dmp

Filesize
8KB

Download
memory/556-65-0x0000000000000000-mapping.dmp

Download
memory/664-69-0x0000000000000000-mapping.dmp

Download
memory/704-67-0x0000000000000000-mapping.dmp

Download
memory/824-71-0x0000000000000000-mapping.dmp

Download
memory/1652-60-0x000000002F281000-0x000000002F284000-memory.dmp

Filesize
12KB

Download
memory/1652-61-0x0000000070F81000-0x0000000070F83000-memory.dmp

Filesize
8KB

Download
memory/1652-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads