Malware Analysis Report

2025-01-18 13:58

Sample ID 240613-dyashasfke
Target 2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_cryptolocker
SHA256 8ff8815cafc468daddb658769e57fd46cc8a778921e9a6eab2f78cf4111205cb
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

8ff8815cafc468daddb658769e57fd46cc8a778921e9a6eab2f78cf4111205cb

Threat Level: Known bad

The file 2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_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

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 03:24

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 03:24

Reported

2024-06-13 03:27

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_cryptolocker.exe"

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

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_0afd6a19dc594a3dbc77c3e1690525de_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_0afd6a19dc594a3dbc77c3e1690525de_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_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=4048 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 52.86.6.113:443 emrlogistics.com tcp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
GB 142.250.200.42:443 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 3.94.41.167:443 emrlogistics.com 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 13.107.246.64:443 tcp
US 52.86.6.113:443 emrlogistics.com tcp
US 3.94.41.167:443 emrlogistics.com tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 52.86.6.113:443 emrlogistics.com tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 3.94.41.167:443 emrlogistics.com tcp
US 52.86.6.113:443 emrlogistics.com tcp
US 8.8.8.8:53 224.162.46.104.in-addr.arpa udp

Files

memory/3716-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/3716-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/3716-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

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

MD5 575f5f7a64c6cd3e5dd9bd2b65138b29
SHA1 3e0a4b31484578725c766fe1f83907dc67201ec8
SHA256 23369681ba10968aeee1015ca75524f717d397766df774eacbcba509240e033e
SHA512 c532e10e4e4b03da1a0e25b16edef48beeb4d424134e6baca38ffb8f57f6ba3f8697c4a3d1d9eb30496a65cefa52b2ad9de1af8dc7a084debbdde2a3568b4731

memory/4976-17-0x0000000000560000-0x0000000000566000-memory.dmp

memory/4976-18-0x0000000002070000-0x0000000002076000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 03:24

Reported

2024-06-13 03:27

Platform

win7-20240611-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_cryptolocker.exe"

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

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_0afd6a19dc594a3dbc77c3e1690525de_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_0afd6a19dc594a3dbc77c3e1690525de_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 3.18.7.81:443 emrlogistics.com tcp
US 3.19.116.195:443 emrlogistics.com tcp
US 3.18.7.81:443 emrlogistics.com tcp
US 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
US 3.18.7.81:443 emrlogistics.com tcp
US 3.19.116.195:443 emrlogistics.com tcp

Files

memory/2000-1-0x0000000000300000-0x0000000000306000-memory.dmp

memory/2000-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

memory/2000-8-0x00000000002D0000-0x00000000002D6000-memory.dmp

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

MD5 575f5f7a64c6cd3e5dd9bd2b65138b29
SHA1 3e0a4b31484578725c766fe1f83907dc67201ec8
SHA256 23369681ba10968aeee1015ca75524f717d397766df774eacbcba509240e033e
SHA512 c532e10e4e4b03da1a0e25b16edef48beeb4d424134e6baca38ffb8f57f6ba3f8697c4a3d1d9eb30496a65cefa52b2ad9de1af8dc7a084debbdde2a3568b4731

memory/2040-15-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2040-16-0x0000000000370000-0x0000000000376000-memory.dmp