621cfcf91513bcb031c7233c963276ffc41c65c63d28a278c2f23c3ce555c724

General

Target

Debt-Details-882555669-03052021.xls
Size

78KB
MD5

8c0c2124df5a468660e1e3f46c02e799
SHA1

69a023154d3e5c320936c8b52274b8e68f2a447d
SHA256

352a9b33582af4ab295bd7f5077761219b8cffc4d1a831d518d5b5a365c88629
SHA512

9e8141ffab10d13a6c11636716fd7c81e37d9c5abacad3966f275f534593a0987af3e68af28c840a85b98f276c7a9425b263605853b11541a9fee9863e83ec4f

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://kosherbansko.com/vozrhzftc/44260.8131115741.dat

xlm40.dropper

http://beautyhair.by/rkqhopvrb/44260.8131115741.dat

xlm40.dropper

http://trysaileggplants.com/xbbomazcknz/44260.8131115741.dat

xlm40.dropper

http://giftcard16.com/pghxph/44260.8131115741.dat

xlm40.dropper

http://www.ausfencing.org/jqikucbefrth/44260.8131115741.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	552	1672	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1052	1672	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1056	1672	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	472	1672	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1120	1672	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
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 (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
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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1672 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1672 EXCEL.EXE
1672 EXCEL.EXE
1672 EXCEL.EXE

pid	process
1672	EXCEL.EXE

pid	process
1672	EXCEL.EXE
1672	EXCEL.EXE
1672	EXCEL.EXE

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1672 wrote to memory of 552	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 552	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 552	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 552	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 552	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 552	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 552	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1052	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1052	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1052	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1052	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1052	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1052	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1052	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1056	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1056	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1056	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1056	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1056	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1056	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1056	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 472	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 472	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 472	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 472	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 472	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 472	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 472	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1120	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1120	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1120	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1120	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1120	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1120	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1120	1672	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-882555669-03052021.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1672

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:552

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1052

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1056

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:472

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1120

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/472-12-0x0000000000000000-mapping.dmp

Download
memory/552-6-0x0000000000000000-mapping.dmp

Download
memory/552-7-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download
memory/1052-8-0x0000000000000000-mapping.dmp

Download
memory/1056-10-0x0000000000000000-mapping.dmp

Download
memory/1120-14-0x0000000000000000-mapping.dmp

Download
memory/1672-2-0x000000002F8F1000-0x000000002F8F4000-memory.dmp

Filesize
12KB

Download
memory/1672-3-0x00000000715E1000-0x00000000715E3000-memory.dmp

Filesize
8KB

Download
memory/1672-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1744-5-0x000007FEF6460000-0x000007FEF66DA000-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