Malware Analysis Report

2025-01-18 14:44

Sample ID 240613-edhhaatbpg
Target 2024-06-13_b5774ab49f032667d3c06f1c647c6928_cryptolocker
SHA256 6a28b7a62ce3c183332843d4e1fa09dfdb9e5c51337b47040f45b75e56205d97
Tags
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

6a28b7a62ce3c183332843d4e1fa09dfdb9e5c51337b47040f45b75e56205d97

Threat Level: Known bad

The file 2024-06-13_b5774ab49f032667d3c06f1c647c6928_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 03:49

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: behavioral2

Detonation Overview

Submitted

2024-06-13 03:49

Reported

2024-06-13 03:51

Platform

win10v2004-20240611-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_b5774ab49f032667d3c06f1c647c6928_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
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
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-13_b5774ab49f032667d3c06f1c647c6928_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_b5774ab49f032667d3c06f1c647c6928_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_b5774ab49f032667d3c06f1c647c6928_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 --field-trial-handle=4172,i,8447163055677043976,7218082390179600880,262144 --variations-seed-version --mojo-platform-channel-handle=4572 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 emrlogistics.com udp
US 3.18.7.81:443 emrlogistics.com tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 13.107.42.16:443 tcp
US 3.19.116.195:443 emrlogistics.com tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 3.18.7.81:443 emrlogistics.com tcp
US 3.19.116.195:443 emrlogistics.com tcp
US 3.18.7.81:443 emrlogistics.com tcp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 3.19.116.195:443 emrlogistics.com tcp
US 3.18.7.81:443 emrlogistics.com tcp
US 3.19.116.195:443 emrlogistics.com tcp

Files

memory/1400-2-0x0000000002070000-0x0000000002076000-memory.dmp

memory/1400-1-0x0000000002050000-0x0000000002056000-memory.dmp

memory/1400-0-0x0000000000500000-0x000000000050F000-memory.dmp

memory/1400-9-0x0000000002050000-0x0000000002056000-memory.dmp

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

MD5 4c81d2e789c3bf6d6eec8c5d33947ea9
SHA1 62e9d2d570ba517da2b3e28ec08cb4561d6a43f0
SHA256 5494d7dc193b224c9bcbcefe68d6d6d094e41b6c40415d3f622885824b42b617
SHA512 1a9310836ea06805f75269cd3d1e7cf1e3a2d0891759f2a313efd31a7427d1a0a1c8545cc59eba94ca5e7ea95ec7568eb76172bd02c34ee6a29a45ba65d02708

memory/4932-17-0x0000000000500000-0x000000000050F000-memory.dmp

memory/1400-18-0x0000000000500000-0x000000000050F000-memory.dmp

memory/4932-20-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

memory/4932-26-0x00000000006A0000-0x00000000006A6000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 03:49

Reported

2024-06-13 03:51

Platform

win7-20240221-en

Max time kernel

148s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_b5774ab49f032667d3c06f1c647c6928_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
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
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_b5774ab49f032667d3c06f1c647c6928_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_b5774ab49f032667d3c06f1c647c6928_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_b5774ab49f032667d3c06f1c647c6928_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 18.119.154.66:443 emrlogistics.com tcp
US 3.140.13.188:443 emrlogistics.com tcp
US 18.119.154.66:443 emrlogistics.com tcp
US 3.140.13.188:443 emrlogistics.com tcp
US 18.119.154.66:443 emrlogistics.com tcp
US 3.140.13.188:443 emrlogistics.com tcp
US 18.119.154.66:443 emrlogistics.com tcp
US 3.140.13.188:443 emrlogistics.com tcp

Files

memory/1312-0-0x0000000000500000-0x000000000050F000-memory.dmp

memory/1312-1-0x0000000000240000-0x0000000000246000-memory.dmp

memory/1312-2-0x0000000000240000-0x0000000000246000-memory.dmp

memory/1312-3-0x0000000000300000-0x0000000000306000-memory.dmp

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

MD5 4c81d2e789c3bf6d6eec8c5d33947ea9
SHA1 62e9d2d570ba517da2b3e28ec08cb4561d6a43f0
SHA256 5494d7dc193b224c9bcbcefe68d6d6d094e41b6c40415d3f622885824b42b617
SHA512 1a9310836ea06805f75269cd3d1e7cf1e3a2d0891759f2a313efd31a7427d1a0a1c8545cc59eba94ca5e7ea95ec7568eb76172bd02c34ee6a29a45ba65d02708

memory/2540-24-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2540-17-0x0000000000290000-0x0000000000296000-memory.dmp

memory/1312-15-0x0000000000500000-0x000000000050F000-memory.dmp