e5840a5dd007f5046bdb8ccfea92d04cbaadaa58c1d03e872b23e697b72dd70c

Analysis

max time kernel
138s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 18:51

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General

Target

e5840a5dd007f5046bdb8ccfea92d04cbaadaa58c1d03e872b23e697b72dd70c.xlsm
Size

103KB
MD5

8bc1de4dc82cc239ed5d1909262bbec1
SHA1

1a0b7d2a7dd047879b95d202e144a18ee1cf2f8f
SHA256

e5840a5dd007f5046bdb8ccfea92d04cbaadaa58c1d03e872b23e697b72dd70c
SHA512

3614dab408e1d9fd701278738a5159a2ed940e4cdb7dc75d944b7f222c546499994299442080e4a02880663e3c5c35960b6999d1f0def8edb426e90ba01076e2
SSDEEP

3072:V7vjgqu8hahYIfiQOVOveshVf4KwJQikmGo2:V7vjgrbtO8eOaDPk1o2

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://lupus.ktcatl.com/wp-content/uCccWJ/

Signatures

Process spawned unexpected child process 1 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2708	2348	rundll32.exe	29

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2348	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2348	EXCEL.EXE
2348	EXCEL.EXE
2348	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2708	2348	EXCEL.EXE	31
PID 2348 wrote to memory of 2708	2348	EXCEL.EXE	31
PID 2348 wrote to memory of 2708	2348	EXCEL.EXE	31
PID 2348 wrote to memory of 2708	2348	EXCEL.EXE	31
PID 2348 wrote to memory of 2708	2348	EXCEL.EXE	31
PID 2348 wrote to memory of 2708	2348	EXCEL.EXE	31
PID 2348 wrote to memory of 2708	2348	EXCEL.EXE	31

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\e5840a5dd007f5046bdb8ccfea92d04cbaadaa58c1d03e872b23e697b72dd70c.xlsm
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\SysWow64\rundll32.exe
  C:\Windows\SysWow64\rundll32.exe ..\iix.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2348-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2348-1-0x000000007207D000-0x0000000072088000-memory.dmp

Filesize
44KB

Download
memory/2348-2-0x000000007207D000-0x0000000072088000-memory.dmp

Filesize
44KB

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