1852801558498c3bbc67b028b592ba9444a4e687a7f67737a393ce3f756d8c87

Reason

Machine shutdown

General

Target

CompensationClaim_605614143_03152021.xls
Size

233KB
MD5

40a0ac4f15fbdb21b9301283956afc03
SHA1

5980ff25f008f5500d7f5733a181f77ae88b4a3f
SHA256

1852801558498c3bbc67b028b592ba9444a4e687a7f67737a393ce3f756d8c87
SHA512

8e7a23f4f86b36b2136e15e2692173db960963cdc41a15ddffd3b31c388c478eabfc1d50ba022920923df0d64987a2d812eb5056ccbcd5e1154a951a9fabef6e

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://188.127.254.114/44270.7354857639.dat

xlm40.dropper

http://185.82.219.160/44270.7354857639.dat

xlm40.dropper

http://45.140.146.34/44270.7354857639.dat

Signatures

Process spawned unexpected child process 3 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

Rundll32.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	820	1432	Rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	976	1432	Rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2032	1432	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\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\Toolbar	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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1432 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1432 EXCEL.EXE
1432 EXCEL.EXE
1432 EXCEL.EXE

pid	process
1432	EXCEL.EXE

pid	process
1432	EXCEL.EXE
1432	EXCEL.EXE
1432	EXCEL.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1432 wrote to memory of 820	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 820	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 820	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 820	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 820	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 820	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 820	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 976	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 976	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 976	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 976	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 976	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 976	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 976	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 2032	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 2032	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 2032	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 2032	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 2032	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 2032	1432	EXCEL.EXE	Rundll32.exe
PID 1432 wrote to memory of 2032	1432	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\CompensationClaim_605614143_03152021.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1432

C:\Windows\SysWOW64\Rundll32.exe
Rundll32 ..\SOT.GOT,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:820

C:\Windows\SysWOW64\Rundll32.exe
Rundll32 ..\SOT.GOT1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:976

C:\Windows\SysWOW64\Rundll32.exe
Rundll32 ..\SOT.GOT2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:2032

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1564

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:576

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

Replay Monitor

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Downloads

memory/576-17-0x00000000026E0000-0x00000000026E1000-memory.dmp

Filesize
4KB

Download
memory/820-6-0x0000000000000000-mapping.dmp

Download
memory/820-7-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

Filesize
8KB

Download
memory/976-8-0x0000000000000000-mapping.dmp

Download
memory/1432-13-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1432-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1432-12-0x0000000001D20000-0x0000000001D21000-memory.dmp

Filesize
4KB

Download
memory/1432-2-0x000000002F2B1000-0x000000002F2B4000-memory.dmp

Filesize
12KB

Download
memory/1432-3-0x00000000713C1000-0x00000000713C3000-memory.dmp

Filesize
8KB

Download
memory/1564-14-0x000007FEFBB21000-0x000007FEFBB23000-memory.dmp

Filesize
8KB

Download
memory/1564-15-0x0000000002840000-0x0000000002841000-memory.dmp

Filesize
4KB

Download
memory/1976-5-0x000007FEF74A0000-0x000007FEF771A000-memory.dmp

Filesize
2.5MB

Download
memory/2032-10-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads