903d82f687b952277d18912b1492339944d8632c139329ba5a32c4b6b47362bf

General

Target

Debt-Details-1318148499-03052021.xls
Size

78KB
MD5

e71d78a14a5f0a046e12ab09ff674533
SHA1

e59eef89178ff2824777b7f5ca44e50950fff88e
SHA256

903d82f687b952277d18912b1492339944d8632c139329ba5a32c4b6b47362bf
SHA512

2b66cfad8c841373868ca9274c1ce8ed1f9a9666aacc8ae37256a628c9851e4b1a02579716b81f3408b8c5dfbf2e6d82ba4e7e219896dca41d5cfb1a39a969d5

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://kosherbansko.com/vozrhzftc/44260.7283011574.dat

xlm40.dropper

http://beautyhair.by/rkqhopvrb/44260.7283011574.dat

xlm40.dropper

http://trysaileggplants.com/xbbomazcknz/44260.7283011574.dat

xlm40.dropper

http://giftcard16.com/pghxph/44260.7283011574.dat

xlm40.dropper

http://www.ausfencing.org/jqikucbefrth/44260.7283011574.dat

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	524	776	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1648	776	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	924	776	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	836	776	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	664	776	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\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\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	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\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 (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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

776 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

776 EXCEL.EXE
776 EXCEL.EXE
776 EXCEL.EXE

pid	process
776	EXCEL.EXE

pid	process
776	EXCEL.EXE
776	EXCEL.EXE
776	EXCEL.EXE

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 776 wrote to memory of 524	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 524	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 524	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 524	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 524	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 524	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 524	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1648	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1648	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1648	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1648	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1648	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1648	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1648	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 924	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 924	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 924	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 924	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 924	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 924	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 924	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 836	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 836	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 836	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 836	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 836	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 836	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 836	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 664	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 664	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 664	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 664	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 664	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 664	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 664	776	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\Debt-Details-1318148499-03052021.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:776

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:524

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1648

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:924

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:836

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:664

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/524-6-0x0000000000000000-mapping.dmp

Download
memory/524-7-0x0000000075C61000-0x0000000075C63000-memory.dmp

Filesize
8KB

Download
memory/664-14-0x0000000000000000-mapping.dmp

Download
memory/776-2-0x000000002F5C1000-0x000000002F5C4000-memory.dmp

Filesize
12KB

Download
memory/776-3-0x0000000071191000-0x0000000071193000-memory.dmp

Filesize
8KB

Download
memory/776-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/836-12-0x0000000000000000-mapping.dmp

Download
memory/924-10-0x0000000000000000-mapping.dmp

Download
memory/1648-8-0x0000000000000000-mapping.dmp

Download
memory/1808-5-0x000007FEF72E0000-0x000007FEF755A000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads