2bb72fab9786239824a6055da9b0b84819621dff0dd94da340a0017a852618de

General

Target

Debt-Details-1857159816-03052021.xls
Size

78KB
MD5

940707d8ae9ac2e601aecf16961f656f
SHA1

b3dd489a819db2f626cde1602f12d898093965a9
SHA256

2bb72fab9786239824a6055da9b0b84819621dff0dd94da340a0017a852618de
SHA512

d422774195b7392c9428094c365f870f1bc767cbc6e92c8b3e963a1004bb5f25f6c4d1a0334106685a644a3c8cae2e568bd988d5391dc6aa71622ac4ec0d5156

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://kosherbansko.com/vozrhzftc/44260.6880814815.dat

xlm40.dropper

http://beautyhair.by/rkqhopvrb/44260.6880814815.dat

xlm40.dropper

http://trysaileggplants.com/xbbomazcknz/44260.6880814815.dat

xlm40.dropper

http://giftcard16.com/pghxph/44260.6880814815.dat

xlm40.dropper

http://www.ausfencing.org/jqikucbefrth/44260.6880814815.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	1044	892	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	568	892	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	576	892	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1608	892	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	556	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
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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 (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
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
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\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	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 1044	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1044	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1044	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1044	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1044	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1044	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1044	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 568	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 568	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 568	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 568	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 568	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 568	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 568	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 576	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 576	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 576	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 576	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 576	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 576	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 576	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1608	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1608	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1608	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1608	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1608	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1608	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 1608	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 556	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 556	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 556	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 556	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 556	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 556	892	EXCEL.EXE	rundll32.exe
PID 892 wrote to memory of 556	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\Debt-Details-1857159816-03052021.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:1044

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:568

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:576

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1608

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:556

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/556-14-0x0000000000000000-mapping.dmp

Download
memory/568-8-0x0000000000000000-mapping.dmp

Download
memory/576-10-0x0000000000000000-mapping.dmp

Download
memory/892-3-0x00000000713C1000-0x00000000713C3000-memory.dmp

Filesize
8KB

Download
memory/892-2-0x000000002F211000-0x000000002F214000-memory.dmp

Filesize
12KB

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

Filesize
64KB

Download
memory/1044-6-0x0000000000000000-mapping.dmp

Download
memory/1044-7-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

Filesize
8KB

Download
memory/1608-12-0x0000000000000000-mapping.dmp

Download
memory/1936-5-0x000007FEF74A0000-0x000007FEF771A000-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