94dbf95c02cfc42c570b35aa665f67916254a371bf6f41c6653254dab54112e1

General

Target

Debt-Details-2080450077-03052021.xls
Size

78KB
MD5

bfca95292db7cd6268acda9b80721c36
SHA1

1b4ed8603a2b350b1e1198869e111ed6a745220a
SHA256

6efaa0712e8f7a9bb411df2045ba89f42e35c43cceb608bf56bd5ee14125d036
SHA512

ad1ca784da33d733a17a9feb8e82c32c41efc31444ed55000fa71d268d0b4136c60f603c43c0c47e2f9cb0256309dcb94c24b37699b118f7e198f22eb436b6c1

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://kosherbansko.com/vozrhzftc/44261.1489456019.dat

xlm40.dropper

http://beautyhair.by/rkqhopvrb/44261.1489456019.dat

xlm40.dropper

http://trysaileggplants.com/xbbomazcknz/44261.1489456019.dat

xlm40.dropper

http://giftcard16.com/pghxph/44261.1489456019.dat

xlm40.dropper

http://www.ausfencing.org/jqikucbefrth/44261.1489456019.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	668	776	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	980	776	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1452	776	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	792	776	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1956	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\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\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 (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

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 668	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 668	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 668	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 668	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 668	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 668	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 668	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 980	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 980	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 980	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 980	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 980	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 980	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 980	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1452	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1452	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1452	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1452	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1452	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1452	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1452	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 792	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 792	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 792	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 792	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 792	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 792	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 792	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1956	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1956	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1956	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1956	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1956	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1956	776	EXCEL.EXE	rundll32.exe
PID 776 wrote to memory of 1956	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-2080450077-03052021.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:668

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:980

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1452

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:792

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1956

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/668-6-0x0000000000000000-mapping.dmp

Download
memory/668-7-0x0000000076071000-0x0000000076073000-memory.dmp

Filesize
8KB

Download
memory/776-2-0x000000002FFC1000-0x000000002FFC4000-memory.dmp

Filesize
12KB

Download
memory/776-3-0x0000000071371000-0x0000000071373000-memory.dmp

Filesize
8KB

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

Filesize
64KB

Download
memory/792-12-0x0000000000000000-mapping.dmp

Download
memory/980-8-0x0000000000000000-mapping.dmp

Download
memory/1452-10-0x0000000000000000-mapping.dmp

Download
memory/1764-5-0x000007FEF74B0000-0x000007FEF772A000-memory.dmp

Filesize
2.5MB

Download
memory/1956-14-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads