Malware Analysis Report

2025-06-16 07:26

Sample ID 240602-fefwhscb28
Target 2024-06-02_de73c206a177dd9046e442d80d52e9a4_cryptolocker
SHA256 e813453fc91ce9fce4ed3cb7302b1118e4dcb571e27c5a48d132048501930bdc
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

e813453fc91ce9fce4ed3cb7302b1118e4dcb571e27c5a48d132048501930bdc

Threat Level: Known bad

The file 2024-06-02_de73c206a177dd9046e442d80d52e9a4_cryptolocker was found to be: Known bad.

Malicious Activity Summary


Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-02 04:46

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

2024-06-02 04:46

Reported

2024-06-02 04:49

Platform

win7-20240221-en

Max time kernel

149s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_de73c206a177dd9046e442d80d52e9a4_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\2024-06-02_de73c206a177dd9046e442d80d52e9a4_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-02_de73c206a177dd9046e442d80d52e9a4_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_de73c206a177dd9046e442d80d52e9a4_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 3.130.204.160:443 emrlogistics.com tcp
US 3.130.253.23:443 emrlogistics.com tcp
US 3.130.204.160:443 emrlogistics.com tcp
US 3.130.253.23:443 emrlogistics.com tcp
US 3.130.204.160:443 emrlogistics.com tcp
US 3.130.253.23:443 emrlogistics.com tcp
US 3.130.204.160:443 emrlogistics.com tcp
US 3.130.253.23:443 emrlogistics.com tcp

Files

memory/2704-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

memory/2704-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

memory/2704-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

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

MD5 05d1b06ac82138720beed769bb7b2e4e
SHA1 ccd7f26b4b74b0e83b9cda92a0a6af0aaee9cc92
SHA256 32acff85e503e4a171e4fd98461983393d79382b23b692476662f2e08e488915
SHA512 4171c75b87bce52986274959171f21e38e517bba287b8cff55cbf423505f2c35dc9718b868cd8544060576929d61fe7520211bd97b10c28a451ca597e74d3cc9

memory/2280-22-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2280-15-0x0000000000370000-0x0000000000376000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 04:46

Reported

2024-06-02 04:49

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_de73c206a177dd9046e442d80d52e9a4_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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-02_de73c206a177dd9046e442d80d52e9a4_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\2024-06-02_de73c206a177dd9046e442d80d52e9a4_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-02_de73c206a177dd9046e442d80d52e9a4_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 3.140.13.188:443 emrlogistics.com tcp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 18.119.154.66:443 emrlogistics.com tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 3.140.13.188:443 emrlogistics.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 18.119.154.66:443 emrlogistics.com tcp
US 3.140.13.188:443 emrlogistics.com tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa 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 8.8.8.8:53 92.16.208.104.in-addr.arpa udp

Files

memory/4556-0-0x0000000002050000-0x0000000002056000-memory.dmp

memory/4556-1-0x0000000002070000-0x0000000002076000-memory.dmp

memory/4556-8-0x0000000002050000-0x0000000002056000-memory.dmp

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

MD5 05d1b06ac82138720beed769bb7b2e4e
SHA1 ccd7f26b4b74b0e83b9cda92a0a6af0aaee9cc92
SHA256 32acff85e503e4a171e4fd98461983393d79382b23b692476662f2e08e488915
SHA512 4171c75b87bce52986274959171f21e38e517bba287b8cff55cbf423505f2c35dc9718b868cd8544060576929d61fe7520211bd97b10c28a451ca597e74d3cc9

memory/4608-23-0x0000000002060000-0x0000000002066000-memory.dmp

memory/4608-17-0x0000000002080000-0x0000000002086000-memory.dmp