c42a995d2eabe03b68ad326dd75d49aa53188821eea726ff30bb5bcd320ba9c0

General

Target

Debt-Details-1940160084-03052021.xls
Size

78KB
MD5

f441bd6beb86ba6d4b36f8fac75a4436
SHA1

5059340fc6fb2a5b27d05e42671b6251910aaaeb
SHA256

c42a995d2eabe03b68ad326dd75d49aa53188821eea726ff30bb5bcd320ba9c0
SHA512

e39318dbf67f37e378ad469dcad57edd034e65e9b97fc21782933d24c451b36e65ef8417b06415f304dcd656e7cc598b0009186d4941ceaea5b64bfc7bfe555b

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://kosherbansko.com/vozrhzftc/44260.8257960648.dat

xlm40.dropper

http://beautyhair.by/rkqhopvrb/44260.8257960648.dat

xlm40.dropper

http://trysaileggplants.com/xbbomazcknz/44260.8257960648.dat

xlm40.dropper

http://giftcard16.com/pghxph/44260.8257960648.dat

xlm40.dropper

http://www.ausfencing.org/jqikucbefrth/44260.8257960648.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	1712	1828	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1004	1828	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1036	1828	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	856	1828	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	660	1828	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	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
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
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 (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1828 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1828 EXCEL.EXE
1828 EXCEL.EXE
1828 EXCEL.EXE

pid	process
1828	EXCEL.EXE

pid	process
1828	EXCEL.EXE
1828	EXCEL.EXE
1828	EXCEL.EXE

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1828 wrote to memory of 1712	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1712	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1712	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1712	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1712	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1712	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1712	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1004	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1004	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1004	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1004	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1004	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1004	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1004	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1036	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1036	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1036	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1036	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1036	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1036	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 1036	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 856	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 856	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 856	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 856	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 856	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 856	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 856	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 660	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 660	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 660	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 660	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 660	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 660	1828	EXCEL.EXE	rundll32.exe
PID 1828 wrote to memory of 660	1828	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-1940160084-03052021.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1828

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1712

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1004

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1036

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:856

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:660

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/660-14-0x0000000000000000-mapping.dmp

Download
memory/856-12-0x0000000000000000-mapping.dmp

Download
memory/1004-8-0x0000000000000000-mapping.dmp

Download
memory/1036-10-0x0000000000000000-mapping.dmp

Download
memory/1712-6-0x0000000000000000-mapping.dmp

Download
memory/1712-7-0x0000000076101000-0x0000000076103000-memory.dmp

Filesize
8KB

Download
memory/1828-2-0x000000002F8A1000-0x000000002F8A4000-memory.dmp

Filesize
12KB

Download
memory/1828-3-0x0000000071001000-0x0000000071003000-memory.dmp

Filesize
8KB

Download
memory/1828-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1968-5-0x000007FEF7140000-0x000007FEF73BA000-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