8489048aac28b7481d939ef400ef39a8af9a7de2f4c8785ca556e89f0cecbf79

General

Target

Debt-Details-292687744-03052021.xls
Size

78KB
MD5

afd804d298d7017937aeae6292b02e04
SHA1

45d675b25e75e87ee7d5bc234a2017e387d5115c
SHA256

8489048aac28b7481d939ef400ef39a8af9a7de2f4c8785ca556e89f0cecbf79
SHA512

86ffb76955829aea983415292256f16c0b4e1989a32457cba1f95cb28a0d52e0acacc0e8856f9dc3832d7b2d71d9fa1ad13a79d23f516c04925dd077d03ff3da

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://kosherbansko.com/vozrhzftc/44260.8296322917.dat

xlm40.dropper

http://beautyhair.by/rkqhopvrb/44260.8296322917.dat

xlm40.dropper

http://trysaileggplants.com/xbbomazcknz/44260.8296322917.dat

xlm40.dropper

http://giftcard16.com/pghxph/44260.8296322917.dat

xlm40.dropper

http://www.ausfencing.org/jqikucbefrth/44260.8296322917.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	1536	1656	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1584	1656	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	912	1656	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	984	1656	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	308	1656	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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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

1656 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1656 EXCEL.EXE
1656 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1656 EXCEL.EXE
1656 EXCEL.EXE
1656 EXCEL.EXE

pid	process
1656	EXCEL.EXE

pid	process
1656	EXCEL.EXE
1656	EXCEL.EXE

pid	process
1656	EXCEL.EXE
1656	EXCEL.EXE
1656	EXCEL.EXE

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1656 wrote to memory of 1536	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 1536	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 1536	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 1536	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 1536	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 1536	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 1536	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 1584	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 1584	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 1584	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 1584	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 1584	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 1584	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 1584	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 912	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 912	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 912	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 912	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 912	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 912	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 912	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 984	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 984	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 984	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 984	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 984	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 984	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 984	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 308	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 308	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 308	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 308	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 308	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 308	1656	EXCEL.EXE	rundll32.exe
PID 1656 wrote to memory of 308	1656	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-292687744-03052021.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1656

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1536

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1584

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:912

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:984

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:308

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/308-14-0x0000000000000000-mapping.dmp

Download
memory/912-10-0x0000000000000000-mapping.dmp

Download
memory/984-12-0x0000000000000000-mapping.dmp

Download
memory/1404-5-0x000007FEF7BD0000-0x000007FEF7E4A000-memory.dmp

Filesize
2.5MB

Download
memory/1536-6-0x0000000000000000-mapping.dmp

Download
memory/1536-7-0x00000000765A1000-0x00000000765A3000-memory.dmp

Filesize
8KB

Download
memory/1584-8-0x0000000000000000-mapping.dmp

Download
memory/1656-2-0x000000002F2B1000-0x000000002F2B4000-memory.dmp

Filesize
12KB

Download
memory/1656-3-0x0000000071A81000-0x0000000071A83000-memory.dmp

Filesize
8KB

Download
memory/1656-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads