Malware Analysis Report

2025-01-18 14:34

Sample ID 240613-d5g56awfrl
Target 2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker
SHA256 3abe6e06f9db896245a607f1a6eb7e569e1c572ebfe58797c584bf73ca2e6a51
Tags
score
10/10

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
10/10

SHA256

3abe6e06f9db896245a607f1a6eb7e569e1c572ebfe58797c584bf73ca2e6a51

Threat Level: Known bad

The file 2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 03:35

Signatures

Detection of CryptoLocker Variants

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

Detection of Cryptolocker Samples

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 03:35

Reported

2024-06-13 03:37

Platform

win7-20240508-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker.exe"

Signatures

Detection of CryptoLocker Variants

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

Detection of Cryptolocker Samples

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

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp
US 8.8.8.8:53 emrlogistics.com udp

Files

memory/2400-0-0x0000000000320000-0x0000000000326000-memory.dmp

memory/2400-1-0x0000000000360000-0x0000000000366000-memory.dmp

memory/2400-9-0x0000000000320000-0x0000000000326000-memory.dmp

memory/2400-8-0x0000000000500000-0x000000000050F000-memory.dmp

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

MD5 877af5a27c077235337800ff2d4b995a
SHA1 e5cf4ded606012b5e7b80bce519d524d833ff4eb
SHA256 bf32931e24e5aa101cbe8f7718e7301cfc115a593fac5b57affe4d1423fc7812
SHA512 f44aaf48d6ac065cd8b09c8b92a2181ab43ff7874aabf14d14bf5e5f1bed694b5f9e5ceadff1ec85c3cbabac567f7560c6f63d387990d4c2c3c95f022f60563e

memory/1036-15-0x0000000000500000-0x000000000050F000-memory.dmp

memory/1036-17-0x0000000000380000-0x0000000000386000-memory.dmp

memory/1036-24-0x00000000002C0000-0x00000000002C6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 03:35

Reported

2024-06-13 03:37

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker.exe"

Signatures

Detection of CryptoLocker Variants

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

Detection of Cryptolocker Samples

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker.exe N/A

Executes dropped EXE

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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_7008ff53f3ace93289e2cfea8c29b967_cryptolocker.exe"

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

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3740 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 emrlogistics.com udp
US 52.71.57.184:443 emrlogistics.com tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.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
GB 172.217.169.74:443 tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 54.209.32.212:443 emrlogistics.com tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 52.71.57.184:443 emrlogistics.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 54.209.32.212:443 emrlogistics.com tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp
US 8.8.8.8:53 3.17.178.52.in-addr.arpa udp

Files

memory/1420-0-0x0000000000500000-0x000000000050F000-memory.dmp

memory/1420-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

memory/1420-2-0x00000000005E0000-0x00000000005E6000-memory.dmp

memory/1420-3-0x0000000000600000-0x0000000000606000-memory.dmp

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

MD5 877af5a27c077235337800ff2d4b995a
SHA1 e5cf4ded606012b5e7b80bce519d524d833ff4eb
SHA256 bf32931e24e5aa101cbe8f7718e7301cfc115a593fac5b57affe4d1423fc7812
SHA512 f44aaf48d6ac065cd8b09c8b92a2181ab43ff7874aabf14d14bf5e5f1bed694b5f9e5ceadff1ec85c3cbabac567f7560c6f63d387990d4c2c3c95f022f60563e

memory/1612-18-0x00000000007E0000-0x00000000007E6000-memory.dmp

memory/1612-25-0x00000000007B0000-0x00000000007B6000-memory.dmp

memory/1420-24-0x0000000000500000-0x000000000050F000-memory.dmp