Malware Analysis Report

2025-01-22 20:50

Sample ID 241125-1v489svpfm
Target LockBit-main (1).zip
SHA256 707bb3b958fbf4728d8a39b043e8df083e0fce1178dac60c0d984604ec23c881
Tags
discovery lockbit blackmatter
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral7

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral8

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

707bb3b958fbf4728d8a39b043e8df083e0fce1178dac60c0d984604ec23c881

Threat Level: Known bad

The file LockBit-main (1).zip was found to be: Known bad.

Malicious Activity Summary

discovery lockbit blackmatter

Blackmatter family

Lockbit family

Rule to detect Lockbit 3.0 ransomware Windows payload

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-25 21:59

Signatures

Blackmatter family

blackmatter

Lockbit family

lockbit

Rule to detect Lockbit 3.0 ransomware Windows payload

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

Unsigned PE

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

Analysis: behavioral4

Detonation Overview

Submitted

2024-11-25 21:59

Reported

2024-11-25 22:01

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

96s

Command Line

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\LockBit-main\README.vbs"

Signatures

N/A

Processes

C:\Windows\System32\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\LockBit-main\README.vbs"

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral6

Detonation Overview

Submitted

2024-11-25 21:59

Reported

2024-11-25 22:01

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe

"C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-11-25 21:59

Reported

2024-11-25 22:01

Platform

win7-20240903-en

Max time kernel

120s

Max time network

124s

Command Line

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\LockBit-main\README.vbs"

Signatures

N/A

Processes

C:\Windows\System32\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\LockBit-main\README.vbs"

Network

N/A

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-25 21:59

Reported

2024-11-25 22:01

Platform

win7-20240903-en

Max time kernel

14s

Max time network

17s

Command Line

cmd /c "C:\Users\Admin\AppData\Local\Temp\LockBit-main\Build.bat"

Signatures

N/A

Processes

C:\Windows\system32\cmd.exe

cmd /c "C:\Users\Admin\AppData\Local\Temp\LockBit-main\Build.bat"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-25 21:59

Reported

2024-11-25 22:01

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

136s

Command Line

C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\LockBit-main\Build.bat"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\LockBit-main\keygen.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2340 wrote to memory of 3016 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\keygen.exe
PID 2340 wrote to memory of 3016 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\keygen.exe
PID 2340 wrote to memory of 3016 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\keygen.exe
PID 2340 wrote to memory of 1500 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe
PID 2340 wrote to memory of 1500 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe
PID 2340 wrote to memory of 1500 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe
PID 2340 wrote to memory of 2380 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe
PID 2340 wrote to memory of 2380 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe
PID 2340 wrote to memory of 2380 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe
PID 2340 wrote to memory of 2640 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe
PID 2340 wrote to memory of 2640 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe
PID 2340 wrote to memory of 2640 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe
PID 2340 wrote to memory of 2384 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe
PID 2340 wrote to memory of 2384 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe
PID 2340 wrote to memory of 2384 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe
PID 2340 wrote to memory of 1848 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe
PID 2340 wrote to memory of 1848 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe
PID 2340 wrote to memory of 1848 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe
PID 2340 wrote to memory of 3260 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe
PID 2340 wrote to memory of 3260 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe
PID 2340 wrote to memory of 3260 N/A C:\Windows\system32\cmd.exe C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe

Processes

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\LockBit-main\Build.bat"

C:\Users\Admin\AppData\Local\Temp\LockBit-main\keygen.exe

keygen -path Build -pubkey pub.key -privkey priv.key

C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe

builder -type dec -privkey Build\priv.key -config config.json -ofile Build\LB3Decryptor.exe

C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe

builder -type enc -exe -pubkey Build\pub.key -config config.json -ofile Build\LB3.exe

C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe

builder -type enc -exe -pass -pubkey Build\pub.key -config config.json -ofile Build\LB3_pass.exe

C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe

builder -type enc -dll -pubkey Build\pub.key -config config.json -ofile Build\LB3_Rundll32.dll

C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe

builder -type enc -dll -pass -pubkey Build\pub.key -config config.json -ofile Build\LB3_Rundll32_pass.dll

C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe

builder -type enc -ref -pubkey Build\pub.key -config config.json -ofile Build\LB3_ReflectiveDll_DllMain.dll

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

Network

Country Destination Domain Proto
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\LockBit-main\Build\pub.key

MD5 48b91fa8a796337b91d22b31f8d0db55
SHA1 adeaf46e18b54ba5bc28a0a803930e76e9bcb3d4
SHA256 5c05b3389ecc8b378488c279a6bcb7a9d1c17f6a2fcf8e7c0f45852fce7b836a
SHA512 2ff93b48cbb8c9490f311f225ffa5d0499a85de065b2887c1f04667b685876fadd4a4f32df11f25f6d95aaa1a10842ffaac9f6693464c44b6d22190d46c9998e

C:\Users\Admin\AppData\Local\Temp\LockBit-main\Build\priv.key

MD5 24c9f34075660d2be2791ec372f43a98
SHA1 28c709f1adf1df4a2beacb3d36bae5da09362592
SHA256 48669fd461dce2bbca1bdffd0480b2dab66447246feeaffda18fa3c2ce550504
SHA512 97cbbf4ef75fdc843bf79939e1bbd185814de254c19b9e26bf9248b13dd20f11c1b15def25acdc958c9869a2fd1cfd65625eb15583b62859f8c8fd3571284643

Analysis: behavioral5

Detonation Overview

Submitted

2024-11-25 21:59

Reported

2024-11-25 22:01

Platform

win7-20240903-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe

"C:\Users\Admin\AppData\Local\Temp\LockBit-main\builder.exe"

Network

N/A

Files

N/A

Analysis: behavioral7

Detonation Overview

Submitted

2024-11-25 21:59

Reported

2024-11-25 22:01

Platform

win7-20241010-en

Max time kernel

122s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\LockBit-main\keygen.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\LockBit-main\keygen.exe

"C:\Users\Admin\AppData\Local\Temp\LockBit-main\keygen.exe"

Network

N/A

Files

N/A

Analysis: behavioral8

Detonation Overview

Submitted

2024-11-25 21:59

Reported

2024-11-25 22:01

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\LockBit-main\keygen.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\LockBit-main\keygen.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\LockBit-main\keygen.exe

"C:\Users\Admin\AppData\Local\Temp\LockBit-main\keygen.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 208.143.182.52.in-addr.arpa udp

Files

N/A