d7b7220af5d1c3266dafd0cada2e8351701bda16ddfe8ff0dc83696aaa451a22

General

Target

Debt-Details-483071328-03052021.xls
Size

78KB
MD5

cc88b3cfe0d4149b7d8fb0de103bdbb6
SHA1

3db71668e8964f6d12d0388c552ef428f5a20c6c
SHA256

8305be9da57cff9ed85b512e99d68e193c88000f725cb43554a59a49fd5c3532
SHA512

d3dbab35100b8a51ceb0d18adb1805b30175d4f0bf2ccfc6e90f65431c9d8468d70a9ca87137f3ae4658d502c66462f34c90cf7e926ca0410c85c5ef45729854

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://catch-laetitia.com/mtrfbi/44260.7525686343.dat

xlm40.dropper

http://placevirus.com/zoljiieoo/44260.7525686343.dat

xlm40.dropper

http://datbanhchungtet.com/vkaleaz/44260.7525686343.dat

xlm40.dropper

http://anklebreed.xyz/tcinmcstqll/44260.7525686343.dat

xlm40.dropper

http://codexive.xyz/omdfwjqyglhx/44260.7525686343.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	1368	1096	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1044	1096	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	968	1096	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1764	1096	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1392	1096	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 (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	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 (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
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\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 (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
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	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1096 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1096 EXCEL.EXE
1096 EXCEL.EXE
1096 EXCEL.EXE

pid	process
1096	EXCEL.EXE

pid	process
1096	EXCEL.EXE
1096	EXCEL.EXE
1096	EXCEL.EXE

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1096 wrote to memory of 1368	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1368	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1368	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1368	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1368	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1368	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1368	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1044	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1044	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1044	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1044	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1044	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1044	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1044	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 968	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 968	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 968	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 968	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 968	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 968	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 968	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1764	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1764	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1764	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1764	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1764	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1764	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1764	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1392	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1392	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1392	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1392	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1392	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1392	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1392	1096	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-483071328-03052021.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1368

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1044

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:968

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1764

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1392

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/968-10-0x0000000000000000-mapping.dmp

Download
memory/1044-8-0x0000000000000000-mapping.dmp

Download
memory/1096-2-0x000000002F841000-0x000000002F844000-memory.dmp

Filesize
12KB

Download
memory/1096-3-0x0000000071951000-0x0000000071953000-memory.dmp

Filesize
8KB

Download
memory/1096-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1368-6-0x0000000000000000-mapping.dmp

Download
memory/1368-7-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/1392-14-0x0000000000000000-mapping.dmp

Download
memory/1764-12-0x0000000000000000-mapping.dmp

Download
memory/1808-5-0x000007FEF7AA0000-0x000007FEF7D1A000-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