4fbbd4c9591ac023cd7da6c9e9dd10e173c1e8db7302c424b401b5516ea09588

Analysis

max time kernel
57s
max time network
51s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/09/2024, 05:38

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General

Target

4fbbd4c9591ac023cd7da6c9e9dd10e173c1e8db7302c424b401b5516ea09588.xls
Size

44KB
MD5

d597c69135c764796ccc916a9ed97d8f
SHA1

25bdf2dffd2df9435578eecd4ec560be5ede5678
SHA256

4fbbd4c9591ac023cd7da6c9e9dd10e173c1e8db7302c424b401b5516ea09588
SHA512

51220484fe348f5f99157882799f38e48948dce7bd648cd9913483d3a3a72ca9202628e0fdbf3a4bb24c273c07a3a3b6c9f49972a8a184591d8c2dc280fb4c58
SSDEEP

768:oPXk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJWL6uShYUQgcUcwWNvW1Tpl3ZeT:EXk3hbdlylKsgqopeJBWhZFGkE+cL2Nf

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://gogaurav.com/lkcvjw.php

xlm40.dropper

https://wfduino.com/pcwblt.php

xlm40.dropper

https://susansquires.com/2014-style2.php

xlm40.dropper

https://animalbliss.com/xmlpl.php

Signatures

Process spawned unexpected child process 2 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	2532	2672	reg.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2812	2672	rundll32.exe	29

System Location Discovery: System Language Discovery 1 TTPs 3 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	reg.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
2672	EXCEL.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2672	EXCEL.EXE
2672	EXCEL.EXE
2672	EXCEL.EXE
2672	EXCEL.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2532	2672	EXCEL.EXE	30
PID 2672 wrote to memory of 2532	2672	EXCEL.EXE	30
PID 2672 wrote to memory of 2532	2672	EXCEL.EXE	30
PID 2672 wrote to memory of 2532	2672	EXCEL.EXE	30
PID 2672 wrote to memory of 2812	2672	EXCEL.EXE	34
PID 2672 wrote to memory of 2812	2672	EXCEL.EXE	34
PID 2672 wrote to memory of 2812	2672	EXCEL.EXE	34
PID 2672 wrote to memory of 2812	2672	EXCEL.EXE	34
PID 2672 wrote to memory of 2812	2672	EXCEL.EXE	34
PID 2672 wrote to memory of 2812	2672	EXCEL.EXE	34
PID 2672 wrote to memory of 2812	2672	EXCEL.EXE	34

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\4fbbd4c9591ac023cd7da6c9e9dd10e173c1e8db7302c424b401b5516ea09588.xls
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\reg.exe
  "C:\Windows\system32\reg.exe" EXPORT HKCU\Software\Microsoft\Office\14.0\Excel\Security C:\Users\Public\HSYhw6.reg /y
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2532
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Users\Public\RNmJ.html,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2812

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

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Downloads

C:\Users\Public\HSYhw6.reg

Filesize
4KB

MD5
53f9388101315f80cd64bc8a4aa7021d

SHA1
611f766469d142353c3d533f125e841d21b1c091

SHA256
2301b036c4e2882ad07dabcc25e0d63ac02d9f992899e2c140c81df3a36cf701

SHA512
aaed12f6cc739dfec08d114a0e895ec5f8f843fc46330757f1283992891d1a8ed438d0084532927831f550190ea8fb77a6b1d55ff9778077bc0a8becce43439f

Download Submit
memory/2672-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2672-1-0x0000000073CED000-0x0000000073CF8000-memory.dmp

Filesize
44KB

Download
memory/2672-22-0x0000000073CED000-0x0000000073CF8000-memory.dmp

Filesize
44KB

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads