2f74c0fb5630e45d752bd98482b87602295c40c9286eaef0ffdf2467435c4c86

General

Target

Debt-Details-1670392816-03052021.xls
Size

78KB
MD5

910337ef06549d324e9f9a226177c28b
SHA1

d9861f0977f7d84ac275a905e6235a28cee0fea3
SHA256

68361e608e5ed794afd3f803b3a6a87f00b0827fbf26bea80c6fc084075591af
SHA512

3c8ae7e45111bef6a4741e664f7389780e916590dd4be8fbec1ea962961b22cfe71c73d34b4700763755b0ce4d3848258b531162e0f318bf60fab17a01a75d78

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://kosherbansko.com/vozrhzftc/44266.668266088.dat

xlm40.dropper

http://beautyhair.by/rkqhopvrb/44266.668266088.dat

xlm40.dropper

http://trysaileggplants.com/xbbomazcknz/44266.668266088.dat

xlm40.dropper

http://giftcard16.com/pghxph/44266.668266088.dat

xlm40.dropper

http://www.ausfencing.org/jqikucbefrth/44266.668266088.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	560	528	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	820	528	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1536	528	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	744	528	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1520	528	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
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 (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 (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

528 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

528 EXCEL.EXE
528 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

528 EXCEL.EXE
528 EXCEL.EXE
528 EXCEL.EXE
528 EXCEL.EXE
528 EXCEL.EXE

pid	process
528	EXCEL.EXE

pid	process
528	EXCEL.EXE
528	EXCEL.EXE

pid	process
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 528 wrote to memory of 560	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 560	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 560	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 560	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 560	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 560	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 560	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 820	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 820	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 820	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 820	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 820	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 820	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 820	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 1536	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 1536	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 1536	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 1536	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 1536	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 1536	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 1536	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 744	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 744	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 744	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 744	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 744	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 744	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 744	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 1520	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 1520	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 1520	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 1520	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 1520	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 1520	528	EXCEL.EXE	rundll32.exe
PID 528 wrote to memory of 1520	528	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-1670392816-03052021.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:528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\Vijaser.lasjr,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:560
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\Vijaser.lasjr1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:820
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\Vijaser.lasjr2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1536
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\Vijaser.lasjr3,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:744
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\Vijaser.lasjr4,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1520

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/528-2-0x000000002FC51000-0x000000002FC54000-memory.dmp

Filesize
12KB

Download
memory/528-3-0x0000000071C01000-0x0000000071C03000-memory.dmp

Filesize
8KB

Download
memory/528-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/560-6-0x0000000000000000-mapping.dmp

Download
memory/560-7-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download
memory/644-5-0x000007FEF7D40000-0x000007FEF7FBA000-memory.dmp

Filesize
2.5MB

Download
memory/744-12-0x0000000000000000-mapping.dmp

Download
memory/820-8-0x0000000000000000-mapping.dmp

Download
memory/1520-14-0x0000000000000000-mapping.dmp

Download
memory/1536-10-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads