4916128ca8be0b65c9a19f448d84578cc626e502f2b730bd3122f63c569b482c

General

Target

document-2107203495.xls
Size

85KB
MD5

7d869554d4a24c08f024a2a508b12331
SHA1

294b2d552a8a45e24b1cc447ab11d9ba36a1d388
SHA256

56ac4fc8686b4235587479d25637e6a589638a35e30d8d612d1b015e277f523d
SHA512

ba1361d2be2de9242b3517a5cdaf8466ef7ceeb80e87e549e55879d20b1a198cbfb21917052ea9f0fe0cb1638fba0fb4583b00dbc343d510f4cfad2dfd40ec38

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://qxloq28vhjko02eiiagg.com/mrch.gif

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

rundll32.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	572	1724	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
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
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\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	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 (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

1724 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1724 EXCEL.EXE
1724 EXCEL.EXE
1724 EXCEL.EXE
1724 EXCEL.EXE
1724 EXCEL.EXE

pid	process
1724	EXCEL.EXE

pid	process
1724	EXCEL.EXE
1724	EXCEL.EXE
1724	EXCEL.EXE
1724	EXCEL.EXE
1724	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1724 wrote to memory of 572	1724	EXCEL.EXE	rundll32.exe
PID 1724 wrote to memory of 572	1724	EXCEL.EXE	rundll32.exe
PID 1724 wrote to memory of 572	1724	EXCEL.EXE	rundll32.exe
PID 1724 wrote to memory of 572	1724	EXCEL.EXE	rundll32.exe
PID 1724 wrote to memory of 572	1724	EXCEL.EXE	rundll32.exe
PID 1724 wrote to memory of 572	1724	EXCEL.EXE	rundll32.exe
PID 1724 wrote to memory of 572	1724	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\document-2107203495.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1724

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\IEUDLK.CJF,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:572

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/572-6-0x0000000000000000-mapping.dmp

Download
memory/572-7-0x00000000761E1000-0x00000000761E3000-memory.dmp

Filesize
8KB

Download
memory/1724-2-0x000000002FFD1000-0x000000002FFD4000-memory.dmp

Filesize
12KB

Download
memory/1724-3-0x0000000071C61000-0x0000000071C63000-memory.dmp

Filesize
8KB

Download
memory/1724-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1960-5-0x000007FEF7D90000-0x000007FEF800A000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads