Malware Analysis Report

2024-12-01 01:49

Sample ID 241110-bt9pxswgpg
Target 2024-11-10_1ca6b0217bd5b3e92e63ae67806d4754_cryptolocker
SHA256 a9541ca5089ba011bd11e09dc183ae2cf143d5684418144ea98f606175dc2ee5
Tags
discovery
score
7/10

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
7/10

SHA256

a9541ca5089ba011bd11e09dc183ae2cf143d5684418144ea98f606175dc2ee5

Threat Level: Shows suspicious behavior

The file 2024-11-10_1ca6b0217bd5b3e92e63ae67806d4754_cryptolocker was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 01:27

Reported

2024-11-10 01:29

Platform

win7-20240903-en

Max time kernel

132s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_1ca6b0217bd5b3e92e63ae67806d4754_cryptolocker.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\demka.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-11-10_1ca6b0217bd5b3e92e63ae67806d4754_cryptolocker.exe N/A

Enumerates physical storage devices

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\2024-11-10_1ca6b0217bd5b3e92e63ae67806d4754_cryptolocker.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\demka.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-10_1ca6b0217bd5b3e92e63ae67806d4754_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_1ca6b0217bd5b3e92e63ae67806d4754_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 ttms.org udp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp

Files

memory/2532-0-0x0000000000380000-0x0000000000386000-memory.dmp

memory/2532-1-0x0000000000400000-0x0000000000406000-memory.dmp

memory/2532-7-0x0000000000380000-0x0000000000386000-memory.dmp

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

MD5 b91c52a63079c5f23260d9f21d272a2c
SHA1 28b00b951571a9b2073dab9640a5131c797f71b0
SHA256 36529711ad9116655b89999d1e60dd91cd9b1a204e23c845fb8fc43db025bd12
SHA512 dbcf75e5e6dd12d3c938545a3db85d1c2c9b0f847f9a2c4f2847893c1aaec00bc16e0fd89c05ae5a8a10b0b3b4843648cc6364f8d50f0160478b3e5fc9f1e54e

memory/2524-23-0x00000000003F0000-0x00000000003F6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 01:27

Reported

2024-11-10 01:29

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_1ca6b0217bd5b3e92e63ae67806d4754_cryptolocker.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-11-10_1ca6b0217bd5b3e92e63ae67806d4754_cryptolocker.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\demka.exe N/A

Enumerates physical storage devices

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\2024-11-10_1ca6b0217bd5b3e92e63ae67806d4754_cryptolocker.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\demka.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-10_1ca6b0217bd5b3e92e63ae67806d4754_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-10_1ca6b0217bd5b3e92e63ae67806d4754_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 ttms.org udp
US 35.215.114.222:443 ttms.org tcp
US 8.8.8.8:53 154.239.44.20.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 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 35.215.114.222:443 ttms.org tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp
US 35.215.114.222:443 ttms.org tcp

Files

memory/836-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

memory/836-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

memory/836-2-0x0000000000400000-0x0000000000406000-memory.dmp

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

MD5 b91c52a63079c5f23260d9f21d272a2c
SHA1 28b00b951571a9b2073dab9640a5131c797f71b0
SHA256 36529711ad9116655b89999d1e60dd91cd9b1a204e23c845fb8fc43db025bd12
SHA512 dbcf75e5e6dd12d3c938545a3db85d1c2c9b0f847f9a2c4f2847893c1aaec00bc16e0fd89c05ae5a8a10b0b3b4843648cc6364f8d50f0160478b3e5fc9f1e54e

memory/4300-25-0x0000000001FA0000-0x0000000001FA6000-memory.dmp