b143c00769598454abbfa30d2a0f2fe14f1a34c890078650488dffeff7c6c775

General

Target

Debt-Details-787008390-03052021.xls
Size

78KB
MD5

ab7e7cdb468d760257367c21c25966d4
SHA1

7aafff3ff5184cd65cddfe50b3438648c5a2ec55
SHA256

ad987b8df15faf669433887679d2884eba2eae7c62a2c2af6c78c991cf275128
SHA512

b53543c22a298427dee74eb1019d51742eba67aeb5af58cdcfdb1da244d25d8084a16e2c3c68b2b65b756ded025d07f50cb21429de993f0f4ecfb09692122e61

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://kosherbansko.com/vozrhzftc/44262.7839484954.dat

xlm40.dropper

http://beautyhair.by/rkqhopvrb/44262.7839484954.dat

xlm40.dropper

http://trysaileggplants.com/xbbomazcknz/44262.7839484954.dat

xlm40.dropper

http://giftcard16.com/pghxph/44262.7839484954.dat

xlm40.dropper

http://www.ausfencing.org/jqikucbefrth/44262.7839484954.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	952	1932	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1192	1932	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	760	1932	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	272	1932	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1064	1932	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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1932 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1932 EXCEL.EXE
1932 EXCEL.EXE
1932 EXCEL.EXE

pid	process
1932	EXCEL.EXE

pid	process
1932	EXCEL.EXE
1932	EXCEL.EXE
1932	EXCEL.EXE

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1932 wrote to memory of 952	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 952	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 952	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 952	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 952	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 952	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 952	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1192	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1192	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1192	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1192	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1192	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1192	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1192	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 760	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 760	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 760	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 760	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 760	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 760	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 760	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 272	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 272	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 272	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 272	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 272	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 272	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 272	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1064	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1064	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1064	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1064	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1064	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1064	1932	EXCEL.EXE	rundll32.exe
PID 1932 wrote to memory of 1064	1932	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-787008390-03052021.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1932

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:952

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1192

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:760

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:272

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1064

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/272-12-0x0000000000000000-mapping.dmp

Download
memory/760-10-0x0000000000000000-mapping.dmp

Download
memory/952-6-0x0000000000000000-mapping.dmp

Download
memory/952-7-0x00000000750C1000-0x00000000750C3000-memory.dmp

Filesize
8KB

Download
memory/1064-14-0x0000000000000000-mapping.dmp

Download
memory/1192-8-0x0000000000000000-mapping.dmp

Download
memory/1444-5-0x000007FEF5BC0000-0x000007FEF5E3A000-memory.dmp

Filesize
2.5MB

Download
memory/1932-2-0x000000002F3A1000-0x000000002F3A4000-memory.dmp

Filesize
12KB

Download
memory/1932-3-0x0000000070BA1000-0x0000000070BA3000-memory.dmp

Filesize
8KB

Download
memory/1932-4-0x000000005FFF0000-0x0000000060000000-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