dcc45c82a484a420888aabe66588cbb1658cb2a7a5cc833b0438fa06ca84a991

General

Target

82025721897_03192021.xlsm
Size

185KB
MD5

e7ab02fc9cf04da25eeb7e7263aefe0d
SHA1

12cdeed8f2c7605ebcb3c7b384b4bad1fd82dbbe
SHA256

dcc45c82a484a420888aabe66588cbb1658cb2a7a5cc833b0438fa06ca84a991
SHA512

06b93502819f0bb0877cbf26108f7aa3261ce192c4bd5e6ac19b0cd956e92f78ca53da0fedd3857426ed9664390d7db5616c92b64a1c6a034e3a4ad94cac64ab

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://188.127.237.152/44295.4021160879.dat

xlm40.dropper

http://45.150.67.13/44295.4021160879.dat

xlm40.dropper

http://185.82.219.225/44295.4021160879.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	588	1100	Rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	304	1100	Rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1196	1100	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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	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
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 (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\MenuExt\E&xport to Microsoft Excel	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\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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1100 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1100 EXCEL.EXE
1100 EXCEL.EXE
1100 EXCEL.EXE

pid	process
1100	EXCEL.EXE

pid	process
1100	EXCEL.EXE
1100	EXCEL.EXE
1100	EXCEL.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1100 wrote to memory of 588	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 588	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 588	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 588	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 588	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 588	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 588	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 304	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 304	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 304	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 304	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 304	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 304	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 304	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 1196	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 1196	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 1196	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 1196	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 1196	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 1196	1100	EXCEL.EXE	Rundll32.exe
PID 1100 wrote to memory of 1196	1100	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\82025721897_03192021.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1100

C:\Windows\SysWOW64\Rundll32.exe
Rundll32 ..\Kiod.hod,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:588

C:\Windows\SysWOW64\Rundll32.exe
Rundll32 ..\Kiod.hod1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:304

C:\Windows\SysWOW64\Rundll32.exe
Rundll32 ..\Kiod.hod2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1196

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/304-65-0x0000000000000000-mapping.dmp

Download
memory/588-63-0x0000000000000000-mapping.dmp

Download
memory/588-64-0x00000000760C1000-0x00000000760C3000-memory.dmp

Filesize
8KB

Download
memory/1100-60-0x000000002F501000-0x000000002F504000-memory.dmp

Filesize
12KB

Download
memory/1100-61-0x0000000071191000-0x0000000071193000-memory.dmp

Filesize
8KB

Download
memory/1100-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1196-67-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads