Malware Analysis Report

2025-01-18 12:51

Sample ID 240613-ed9a1axaqm
Target 2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_cryptolocker
SHA256 fadf71edc8cbbd66d37a654d7079591772cdd626abe7ca47dd05136ecd91e954
Tags
upx
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

fadf71edc8cbbd66d37a654d7079591772cdd626abe7ca47dd05136ecd91e954

Threat Level: Known bad

The file 2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_cryptolocker was found to be: Known bad.

Malicious Activity Summary

upx

UPX dump on OEP (original entry point)

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

UPX dump on OEP (original entry point)

Loads dropped DLL

Executes dropped EXE

UPX packed file

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 03:50

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

Detection of Cryptolocker Samples

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

UPX dump on OEP (original entry point)

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

UPX packed file

upx
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: behavioral1

Detonation Overview

Submitted

2024-06-13 03:50

Reported

2024-06-13 03:53

Platform

win7-20240611-en

Max time kernel

147s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_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

UPX dump on OEP (original entry point)

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_cec3418b7ad8c07722a28e88dcf7dfb8_cryptolocker.exe N/A

UPX packed file

upx
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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_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 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
US 18.119.154.66:443 emrlogistics.com tcp

Files

memory/2456-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

memory/2456-1-0x0000000000310000-0x0000000000316000-memory.dmp

memory/2456-7-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2456-8-0x00000000002D0000-0x00000000002D6000-memory.dmp

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

MD5 51256a3d9b043607a066d162bbdf98df
SHA1 0abbf0a4110a907484b30f1b3de0a111edc8df9b
SHA256 2ee47f16c10d15fd1482d8ed2faa815ee3683add39385e75eab8bf60881b586b
SHA512 1d1276691a3ed5805c7369d571ffb7d1bd9a16cffa917111aa551a86d31f3f5f22efb13634c6935833e3febfc6340c40f8b15b9b97225f264964ec8c4ed72a04

memory/2456-13-0x00000000006E0000-0x00000000006EF000-memory.dmp

memory/2880-18-0x0000000000280000-0x0000000000286000-memory.dmp

memory/2880-26-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2880-25-0x0000000000240000-0x0000000000246000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 03:50

Reported

2024-06-13 03:53

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_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

UPX dump on OEP (original entry point)

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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_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

UPX packed file

upx
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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_cec3418b7ad8c07722a28e88dcf7dfb8_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=3976 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 3.18.7.81:443 emrlogistics.com tcp
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 3.19.116.195:443 emrlogistics.com tcp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 76.234.34.23.in-addr.arpa udp
US 3.18.7.81:443 emrlogistics.com tcp
US 3.19.116.195:443 emrlogistics.com tcp
US 8.8.8.8:53 29.243.111.52.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 8.8.8.8:53 131.72.42.20.in-addr.arpa udp

Files

memory/5112-0-0x0000000000500000-0x000000000050F000-memory.dmp

memory/5112-1-0x0000000000560000-0x0000000000566000-memory.dmp

memory/5112-2-0x0000000000560000-0x0000000000566000-memory.dmp

memory/5112-3-0x0000000002070000-0x0000000002076000-memory.dmp

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

MD5 51256a3d9b043607a066d162bbdf98df
SHA1 0abbf0a4110a907484b30f1b3de0a111edc8df9b
SHA256 2ee47f16c10d15fd1482d8ed2faa815ee3683add39385e75eab8bf60881b586b
SHA512 1d1276691a3ed5805c7369d571ffb7d1bd9a16cffa917111aa551a86d31f3f5f22efb13634c6935833e3febfc6340c40f8b15b9b97225f264964ec8c4ed72a04

memory/4956-20-0x00000000006E0000-0x00000000006E6000-memory.dmp

memory/5112-19-0x0000000000500000-0x000000000050F000-memory.dmp

memory/4956-26-0x00000000004E0000-0x00000000004E6000-memory.dmp

memory/4956-27-0x0000000000500000-0x000000000050F000-memory.dmp