be481b1e185c71d87c8f3b68f6c3bb8d09cc30e9ff735f97c474ce89187dd627

General

Target

Overdue-Debt-362804077-03042021.xls
Size

76KB
MD5

a5ce788938ede1feac694ca1bd819792
SHA1

76921b6a68d2ea6ac336c03e3303eb2463f9020c
SHA256

be481b1e185c71d87c8f3b68f6c3bb8d09cc30e9ff735f97c474ce89187dd627
SHA512

0cec65ffa96a5177c8af308623baf989baf17c59afdc3d5490f845252a70cc477bec3511da26562ff51d61fc939c63f0b0f4de1e78944b2e06cd41c5f6a7f4c2

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://depositcontact.com/sjhqomzn/44260.3427619213.jpg

xlm40.dropper

http://maverickcracks.com/evcxweyir/44260.3427619213.jpg

xlm40.dropper

http://bladdercracks.com/yxxqegof/44260.3427619213.jpg

xlm40.dropper

http://formulateaccountant.com/lrzxajo/44260.3427619213.jpg

xlm40.dropper

http://classifylost.com/pkcdvvngsums/44260.3427619213.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	2032	892	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	932	892	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	688	892	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1500	892	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1484	892	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-1-5-21-3825035466-2522850611-591511364-1000\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\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 (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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

892 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

892 EXCEL.EXE
892 EXCEL.EXE
892 EXCEL.EXE

pid	process
892	EXCEL.EXE

pid	process
892	EXCEL.EXE
892	EXCEL.EXE
892	EXCEL.EXE

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 892 wrote to memory of 2032	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 2032	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 2032	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 2032	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 2032	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 2032	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 2032	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 932	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 932	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 932	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 932	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 932	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 932	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 932	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 688	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 688	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 688	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 688	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 688	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 688	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 688	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1500	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1500	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1500	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1500	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1500	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1500	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1500	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1484	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1484	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1484	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1484	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1484	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1484	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1484	892	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-362804077-03042021.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:892

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:2032

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:932

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:688

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1500

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1484

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/688-10-0x0000000000000000-mapping.dmp

Download
memory/892-2-0x000000002F911000-0x000000002F914000-memory.dmp

Filesize
12KB

Download
memory/892-3-0x00000000713C1000-0x00000000713C3000-memory.dmp

Filesize
8KB

Download
memory/892-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/932-8-0x0000000000000000-mapping.dmp

Download
memory/1108-5-0x000007FEF74A0000-0x000007FEF771A000-memory.dmp

Filesize
2.5MB

Download
memory/1484-14-0x0000000000000000-mapping.dmp

Download
memory/1500-12-0x0000000000000000-mapping.dmp

Download
memory/2032-6-0x0000000000000000-mapping.dmp

Download
memory/2032-7-0x0000000075BF1000-0x0000000075BF3000-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