f668f2176db468225b7ab8aadcf25cf57f4efed40eafdf745d7248601a72eacd

General

Target

Overdue-Debt-1089231007-03042021.xls
Size

76KB
MD5

a247cc778977b46e22181cd610c74b14
SHA1

0c46f44b4b6add517fdee6dfda3f83d744a1fb94
SHA256

f668f2176db468225b7ab8aadcf25cf57f4efed40eafdf745d7248601a72eacd
SHA512

95b8cedf292769e9bb8a4f192869a4caaae62e8612dfd19fdcc9bf8cd676058a6dffbbcb2c1af6265047e1444e257269181e497673028060336da193d92e2e9b

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://giftcard16.com/ozdomsmm/44259.7173152778.jpg

xlm40.dropper

http://www.ausfencing.org/pafmwptlztwo/44259.7173152778.jpg

xlm40.dropper

http://mubasharhussain.ml/lwjiel/44259.7173152778.jpg

xlm40.dropper

http://artisthub.farahasmar.com/bzdydzj/44259.7173152778.jpg

xlm40.dropper

http://rrmmarketing.com/qqduill/44259.7173152778.jpg

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	400	892	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1512	892	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	628	892	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1160	892	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	752	892	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\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
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	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 (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
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\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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

892 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

892 EXCEL.EXE
892 EXCEL.EXE
892 EXCEL.EXE

pid	process
892	EXCEL.EXE

pid	process
892	EXCEL.EXE
892	EXCEL.EXE
892	EXCEL.EXE

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 892 wrote to memory of 400	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 400	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 400	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 400	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 400	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 400	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 400	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1512	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1512	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1512	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1512	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1512	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1512	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1512	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 628	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 628	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 628	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 628	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 628	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 628	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 628	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1160	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1160	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1160	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1160	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1160	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1160	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1160	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 752	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 752	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 752	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 752	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 752	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 752	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 752	892	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\Overdue-Debt-1089231007-03042021.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:892

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:400

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1512

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:628

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1160

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:752

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/400-6-0x0000000000000000-mapping.dmp

Download
memory/400-7-0x0000000074D91000-0x0000000074D93000-memory.dmp

Filesize
8KB

Download
memory/628-10-0x0000000000000000-mapping.dmp

Download
memory/752-14-0x0000000000000000-mapping.dmp

Download
memory/892-2-0x000000002F8C1000-0x000000002F8C4000-memory.dmp

Filesize
12KB

Download
memory/892-3-0x0000000071131000-0x0000000071133000-memory.dmp

Filesize
8KB

Download
memory/892-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1160-12-0x0000000000000000-mapping.dmp

Download
memory/1336-5-0x000007FEF7570000-0x000007FEF77EA000-memory.dmp

Filesize
2.5MB

Download
memory/1512-8-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads