420d151699c12c46eff2ab2574667b4ebcdda90e3be6212ba33ea4ec0e8d9030

General

Target

1331149726_03162021.xls
Size

231KB
MD5

149ba9a5dffc5e10b3c16a87742ce5d0
SHA1

0bbc16c5c733167d7f51230c82021e499d06be73
SHA256

420d151699c12c46eff2ab2574667b4ebcdda90e3be6212ba33ea4ec0e8d9030
SHA512

2c633ec241515f09b1653fbb5c42390b1d0e158b35a5be8a85b962e6fcd8b31d3d786b0331f5d2fea87b122a6b8680e2974615078affa6279c82d11ee7f31cdf

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://188.127.235.232/44271.5748371528.dat

xlm40.dropper

http://193.38.54.165/44271.5748371528.dat

xlm40.dropper

http://185.82.218.54/44271.5748371528.dat

xlm40.dropper

http://44271.5748371528.dat

Signatures

Process spawned unexpected child process 3 IoCs

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

Processes:

Rundll32.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	108	1096	Rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	568	1096	Rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1808	1096	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-1-5-21-3825035466-2522850611-591511364-1000\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\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
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
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	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
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1096 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1096 EXCEL.EXE
1096 EXCEL.EXE
1096 EXCEL.EXE

pid	process
1096	EXCEL.EXE

pid	process
1096	EXCEL.EXE
1096	EXCEL.EXE
1096	EXCEL.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1096 wrote to memory of 108	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 108	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 108	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 108	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 108	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 108	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 108	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 568	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 568	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 568	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 568	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 568	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 568	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 568	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 1808	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 1808	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 1808	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 1808	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 1808	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 1808	1096	EXCEL.EXE	Rundll32.exe
PID 1096 wrote to memory of 1808	1096	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\1331149726_03162021.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\Rundll32.exe
Rundll32 ..\Kiod.hod,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:108

C:\Windows\SysWOW64\Rundll32.exe
Rundll32 ..\Kiod.hod1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:568

C:\Windows\SysWOW64\Rundll32.exe
Rundll32 ..\Kiod.hod2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1808

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/108-6-0x0000000000000000-mapping.dmp

Download
memory/108-7-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/304-5-0x000007FEF6930000-0x000007FEF6BAA000-memory.dmp

Filesize
2.5MB

Download
memory/568-8-0x0000000000000000-mapping.dmp

Download
memory/1096-2-0x000000002F361000-0x000000002F364000-memory.dmp

Filesize
12KB

Download
memory/1096-3-0x0000000071B21000-0x0000000071B23000-memory.dmp

Filesize
8KB

Download
memory/1096-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1808-10-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads