Malware Analysis Report

2025-01-06 09:05

Sample ID 240601-fdmbxaac8x
Target eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1
SHA256 eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1
Tags
evasion execution
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1

Threat Level: Likely malicious

The file eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1 was found to be: Likely malicious.

Malicious Activity Summary

evasion execution

Stops running service(s)

Loads dropped DLL

Executes dropped EXE

Drops file in System32 directory

Launches sc.exe

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-01 04:45

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-01 04:45

Reported

2024-06-01 04:48

Platform

win7-20240508-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1.exe"

Signatures

Stops running service(s)

evasion execution

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\1230\smss.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\1230\smss.exe C:\Users\Admin\AppData\Local\Temp\eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1.exe N/A
File opened for modification C:\Windows\SysWOW64\1230\smss.exe C:\Windows\SysWOW64\1230\smss.exe N/A
File opened for modification C:\Windows\SysWOW64\Service.exe C:\Windows\SysWOW64\1230\smss.exe N/A

Launches sc.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\sc.exe N/A
N/A N/A C:\Windows\SysWOW64\sc.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1.exe N/A
N/A N/A C:\Windows\SysWOW64\1230\smss.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2416 wrote to memory of 1276 N/A C:\Users\Admin\AppData\Local\Temp\eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1.exe C:\Windows\SysWOW64\sc.exe
PID 2416 wrote to memory of 1276 N/A C:\Users\Admin\AppData\Local\Temp\eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1.exe C:\Windows\SysWOW64\sc.exe
PID 2416 wrote to memory of 1276 N/A C:\Users\Admin\AppData\Local\Temp\eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1.exe C:\Windows\SysWOW64\sc.exe
PID 2416 wrote to memory of 1276 N/A C:\Users\Admin\AppData\Local\Temp\eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1.exe C:\Windows\SysWOW64\sc.exe
PID 2416 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1.exe C:\Windows\SysWOW64\1230\smss.exe
PID 2416 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1.exe C:\Windows\SysWOW64\1230\smss.exe
PID 2416 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1.exe C:\Windows\SysWOW64\1230\smss.exe
PID 2416 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1.exe C:\Windows\SysWOW64\1230\smss.exe
PID 2820 wrote to memory of 1388 N/A C:\Windows\SysWOW64\1230\smss.exe C:\Windows\SysWOW64\sc.exe
PID 2820 wrote to memory of 1388 N/A C:\Windows\SysWOW64\1230\smss.exe C:\Windows\SysWOW64\sc.exe
PID 2820 wrote to memory of 1388 N/A C:\Windows\SysWOW64\1230\smss.exe C:\Windows\SysWOW64\sc.exe
PID 2820 wrote to memory of 1388 N/A C:\Windows\SysWOW64\1230\smss.exe C:\Windows\SysWOW64\sc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1.exe

"C:\Users\Admin\AppData\Local\Temp\eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1.exe"

C:\Windows\SysWOW64\sc.exe

C:\Windows\system32\sc.exe stop wscsvc

C:\Windows\SysWOW64\1230\smss.exe

C:\Windows\system32\1230\smss.exe -d

C:\Windows\SysWOW64\sc.exe

C:\Windows\system32\sc.exe stop wscsvc

Network

N/A

Files

memory/2416-0-0x0000000000400000-0x000000000041F000-memory.dmp

\Windows\SysWOW64\1230\smss.exe

MD5 519473f6f9aebee2622ae35b08df091f
SHA1 c483270ce5f629065024e4192aef554c2b0dab26
SHA256 4d1a1bb20dad7a2bba7269886ab504976e628a885de2714d27810e05e3ab1790
SHA512 4fae93174974f0b3eaf9c3b3525eea81589a215b7ba827687be3fd6a4dfbfcb82c7fa955798b1c730a9f3820677b42bb760bfa1cda66c26b2c8f52118df93c95

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-01 04:45

Reported

2024-06-01 04:48

Platform

win10v2004-20240508-en

Max time kernel

94s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1.exe"

Signatures

Stops running service(s)

evasion execution

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\1230\smss.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\1230\smss.exe C:\Users\Admin\AppData\Local\Temp\eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1.exe N/A
File opened for modification C:\Windows\SysWOW64\1230\smss.exe C:\Windows\SysWOW64\1230\smss.exe N/A
File opened for modification C:\Windows\SysWOW64\Service.exe C:\Windows\SysWOW64\1230\smss.exe N/A

Launches sc.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\sc.exe N/A
N/A N/A C:\Windows\SysWOW64\sc.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1.exe N/A
N/A N/A C:\Windows\SysWOW64\1230\smss.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1.exe

"C:\Users\Admin\AppData\Local\Temp\eb4ff92dabaa1f1c5e4075950976fe2ebbe576d1b670084e31607cfd9f8bfec1.exe"

C:\Windows\SysWOW64\sc.exe

C:\Windows\system32\sc.exe stop wscsvc

C:\Windows\SysWOW64\1230\smss.exe

C:\Windows\system32\1230\smss.exe -d

C:\Windows\SysWOW64\sc.exe

C:\Windows\system32\sc.exe stop wscsvc

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 16.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/3192-0-0x0000000000400000-0x000000000041F000-memory.dmp

C:\Windows\SysWOW64\1230\smss.exe

MD5 147e14462e61b9bede12daf39f70b17b
SHA1 e7cece780acdcc501475bfd6b0f1a8caa28bead8
SHA256 b45e02f20e9e87f5e50fd9be7dd998845e92dc9b90ea71e30ba8784b667ed7ba
SHA512 9819f38b44abe3638941a3141d4fb8a086c6b9246a333a147cb99a51406560e1d2418049ed34764bae9f559d46e45a7c503b40eb1132b5bb1eed4ad75ee7cebc