2d31ba4418a570891d020216196db66e3c6c48f0ff0e2203cdce936090013182

General

Target

Debt-Details-1507647719-03052021.xls
Size

78KB
MD5

ff102bc2c8369141d3e365358bddd97a
SHA1

ffd81f998d1a315b2a7c27d9d57559ee255d4a91
SHA256

c38f5a3e405ec109061f694e08cc9d3d81af372fe55c96581e184a758782dad4
SHA512

b50926632b20e221c5622b14971fe5a79dac703431a65040ce7a2301ce4875de68a751fb0780f00fe6c32e84471aa32fc345ecc963b08bc5b6944ca5bd81e3f7

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://kosherbansko.com/vozrhzftc/44261.1858778935.dat

xlm40.dropper

http://beautyhair.by/rkqhopvrb/44261.1858778935.dat

xlm40.dropper

http://trysaileggplants.com/xbbomazcknz/44261.1858778935.dat

xlm40.dropper

http://giftcard16.com/pghxph/44261.1858778935.dat

xlm40.dropper

http://www.ausfencing.org/jqikucbefrth/44261.1858778935.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	996	1096	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1756	1096	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1004	1096	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	752	1096	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1656	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
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\Se&nd to OneNote	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 (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\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1096 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1096 EXCEL.EXE
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

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 996	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 996	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 996	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 996	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 996	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 996	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 996	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1756	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1756	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1756	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1756	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1756	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1756	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1756	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1004	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1004	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1004	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1004	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1004	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1004	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1004	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 752	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 752	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 752	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 752	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 752	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 752	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 752	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1656	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1656	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1656	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1656	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1656	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1656	1096	EXCEL.EXE	rundll32.exe
PID 1096 wrote to memory of 1656	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-1507647719-03052021.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:1096

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:996

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1756

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1004

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:752

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Vijaser.lasjr4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1656

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/752-12-0x0000000000000000-mapping.dmp

Download
memory/996-6-0x0000000000000000-mapping.dmp

Download
memory/996-7-0x0000000075301000-0x0000000075303000-memory.dmp

Filesize
8KB

Download
memory/1004-10-0x0000000000000000-mapping.dmp

Download
memory/1096-2-0x000000002FA61000-0x000000002FA64000-memory.dmp

Filesize
12KB

Download
memory/1096-3-0x0000000071461000-0x0000000071463000-memory.dmp

Filesize
8KB

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

Filesize
64KB

Download
memory/1656-14-0x0000000000000000-mapping.dmp

Download
memory/1756-8-0x0000000000000000-mapping.dmp

Download
memory/2004-5-0x000007FEF7500000-0x000007FEF777A000-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