37541b5a97a391ff41221a8486d206db6263686950825780eaec989113bddff7

General

Target

Cancellation-1331722858-03112021.xls
Size

277KB
MD5

f75980b86bd6ec72bec67a45a9e424bd
SHA1

59cb624ef59997a09c76f5e76f666835ce93536b
SHA256

37541b5a97a391ff41221a8486d206db6263686950825780eaec989113bddff7
SHA512

3372aee962e66443c7fe175fc397bd9bdd1a43ee55a979720a4872cf183b8caf35a87a75530eaa7bde100c6dcdabcec5f8bcdaff9e0328ebffce05663fe6b8a8

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://195.123.220.67/44266.8317842593.dat

xlm40.dropper

http://45.150.67.127/44266.8317842593.dat

xlm40.dropper

http://181.215.47.82/44266.8317842593.dat

xlm40.dropper

http://reynare.com/sbazaa/44266.8317842593.dat

xlm40.dropper

http://hosting152231.a2e16.netcup.net/zhrzoxxo/44266.8317842593.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	1564	1964	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1096	1964	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	596	1964	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	828	1964	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1068	1964	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\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
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
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\MenuExt	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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1964 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1964 EXCEL.EXE
1964 EXCEL.EXE
1964 EXCEL.EXE

pid	process
1964	EXCEL.EXE

pid	process
1964	EXCEL.EXE
1964	EXCEL.EXE
1964	EXCEL.EXE

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1964 wrote to memory of 1564	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1564	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1564	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1564	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1564	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1564	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1564	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1096	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1096	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1096	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1096	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1096	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1096	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1096	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 596	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 596	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 596	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 596	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 596	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 596	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 596	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 828	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 828	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 828	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 828	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 828	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 828	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 828	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1068	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1068	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1068	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1068	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1068	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1068	1964	EXCEL.EXE	rundll32.exe
PID 1964 wrote to memory of 1068	1964	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\Cancellation-1331722858-03112021.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1964

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Runtime.brok,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1564

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Runtime.brok1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1096

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Runtime.brok2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:596

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Runtime.brok3,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:828

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\Runtime.brok4,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1068

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/596-10-0x0000000000000000-mapping.dmp

Download
memory/828-12-0x0000000000000000-mapping.dmp

Download
memory/1068-14-0x0000000000000000-mapping.dmp

Download
memory/1096-8-0x0000000000000000-mapping.dmp

Download
memory/1564-6-0x0000000000000000-mapping.dmp

Download
memory/1564-7-0x00000000750C1000-0x00000000750C3000-memory.dmp

Filesize
8KB

Download
memory/1776-5-0x000007FEF5BC0000-0x000007FEF5E3A000-memory.dmp

Filesize
2.5MB

Download
memory/1964-2-0x000000002F3F1000-0x000000002F3F4000-memory.dmp

Filesize
12KB

Download
memory/1964-3-0x0000000070BA1000-0x0000000070BA3000-memory.dmp

Filesize
8KB

Download
memory/1964-4-0x000000005FFF0000-0x0000000060000000-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