6603c3cc6d507fc89e59426b60d1c1045f9631b478103160aa6831eb7ab15d39

General

Target

Overdue-Debt-1869073547-03042021.xls
Size

76KB
MD5

5ce3d485868eca374c50b204acf4cba3
SHA1

8ec156b7865808e66d500fe2aeffccd6ddd144c9
SHA256

6603c3cc6d507fc89e59426b60d1c1045f9631b478103160aa6831eb7ab15d39
SHA512

ac655b94b5203f343e7ed5f8882508c278f18e7fc990124d5fc1c92daaab1bedff5e293a640e2a1037e7a5408e3b0bd7198602641f575876b4c58b3e83a801ad

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://goscrawny.com/kfjzyxi/44260.4061826389.jpg

xlm40.dropper

http://cooperationoffense.com/vitaotme/44260.4061826389.jpg

xlm40.dropper

http://goaqaba.com/ccwidd/44260.4061826389.jpg

xlm40.dropper

http://virtuebeauty.org/srquxjdyy/44260.4061826389.jpg

xlm40.dropper

http://calfgiant.com/swsejhakai/44260.4061826389.jpg

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	972	1684	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	976	1684	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	684	1684	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	772	1684	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1464	1684	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\Se&nd to OneNote	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\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
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1684 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1684 EXCEL.EXE
1684 EXCEL.EXE
1684 EXCEL.EXE

pid	process
1684	EXCEL.EXE

pid	process
1684	EXCEL.EXE
1684	EXCEL.EXE
1684	EXCEL.EXE

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1684 wrote to memory of 972	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 972	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 972	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 972	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 972	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 972	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 972	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 976	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 976	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 976	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 976	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 976	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 976	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 976	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 684	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 684	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 684	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 684	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 684	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 684	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 684	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 772	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 772	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 772	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 772	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 772	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 772	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 772	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 1464	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 1464	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 1464	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 1464	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 1464	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 1464	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 1464	1684	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\Overdue-Debt-1869073547-03042021.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:972

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:976

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:684

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:772

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1464

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/684-10-0x0000000000000000-mapping.dmp

Download
memory/772-12-0x0000000000000000-mapping.dmp

Download
memory/972-6-0x0000000000000000-mapping.dmp

Download
memory/972-7-0x00000000756A1000-0x00000000756A3000-memory.dmp

Filesize
8KB

Download
memory/976-8-0x0000000000000000-mapping.dmp

Download
memory/1464-14-0x0000000000000000-mapping.dmp

Download
memory/1684-2-0x000000002F9B1000-0x000000002F9B4000-memory.dmp

Filesize
12KB

Download
memory/1684-3-0x0000000071AC1000-0x0000000071AC3000-memory.dmp

Filesize
8KB

Download
memory/1684-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1720-5-0x000007FEF7C10000-0x000007FEF7E8A000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads