c064b7289d89a82a8f4d3bf908e7fd5f0a5dbffc37955cb1540c0fe24b806719

General

Target

document-2089175100.xls
Size

88KB
MD5

4c840e6d178c13c1b3662d5412b83a74
SHA1

2332f759c4575419f70e8abcaccdf5fbe4a2fb47
SHA256

386de64d9d460a4a5da609acecc088f0e63b882e9e160d6e587648eb23a6d138
SHA512

6f1494ed35e19740b7c4fba6d9606482cc5c420ee28bcfa036c91c1e4e635212659f07d228d2c81eaf26883dec9b113ae338dcac2e1d2bd1cf25404f183a7c7a

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://lloydsindian.co.uk/ds/1802.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	1920	1872	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\MenuExt	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
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	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 (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\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\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1872 EXCEL.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

EXCEL.EXE

pid process

1872 EXCEL.EXE
1872 EXCEL.EXE
1872 EXCEL.EXE
1872 EXCEL.EXE
1872 EXCEL.EXE
1872 EXCEL.EXE
1872 EXCEL.EXE

pid	process
1872	EXCEL.EXE

pid	process
1872	EXCEL.EXE
1872	EXCEL.EXE
1872	EXCEL.EXE
1872	EXCEL.EXE
1872	EXCEL.EXE
1872	EXCEL.EXE
1872	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1872 wrote to memory of 1920	1872	EXCEL.EXE	rundll32.exe
PID 1872 wrote to memory of 1920	1872	EXCEL.EXE	rundll32.exe
PID 1872 wrote to memory of 1920	1872	EXCEL.EXE	rundll32.exe
PID 1872 wrote to memory of 1920	1872	EXCEL.EXE	rundll32.exe
PID 1872 wrote to memory of 1920	1872	EXCEL.EXE	rundll32.exe
PID 1872 wrote to memory of 1920	1872	EXCEL.EXE	rundll32.exe
PID 1872 wrote to memory of 1920	1872	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-2089175100.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1872

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\idefje.ekfd,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1920

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/1756-7-0x000007FEF7810000-0x000007FEF7A8A000-memory.dmp

Filesize
2.5MB

Download
memory/1872-2-0x000000002F131000-0x000000002F134000-memory.dmp

Filesize
12KB

Download
memory/1872-3-0x0000000071201000-0x0000000071203000-memory.dmp

Filesize
8KB

Download
memory/1872-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1872-5-0x00000000004C0000-0x00000000004C1000-memory.dmp

Filesize
4KB

Download
memory/1920-8-0x0000000000000000-mapping.dmp

Download
memory/1920-9-0x00000000760B1000-0x00000000760B3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads