Malware Analysis Report

2025-08-05 16:33

Sample ID 240611-cwgmla1fkp
Target 2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_cryptolocker
SHA256 2fe1db3ef4c8be357a8f1498767af645beec509ad7c0be43594baeb0a96daaf3
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

2fe1db3ef4c8be357a8f1498767af645beec509ad7c0be43594baeb0a96daaf3

Threat Level: Known bad

The file 2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_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

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

2024-06-11 02:25

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

2024-06-11 02:25

Reported

2024-06-11 02:27

Platform

win7-20240221-en

Max time kernel

148s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_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\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_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 3.130.253.23:443 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
US 3.130.204.160:443 emrlogistics.com tcp

Files

memory/832-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

memory/832-1-0x0000000000370000-0x0000000000376000-memory.dmp

memory/832-8-0x00000000002B0000-0x00000000002B6000-memory.dmp

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

MD5 dc29ee9a5f218b739d83ce2226349ffe
SHA1 f1e8fa8fe64c0fc23272a06f335529ac674e5ee5
SHA256 698acf8a71542aa2dc32797a508b5e124b5d9266593bb5ea9fc66ddd7b8e9c73
SHA512 150173a271d1c86391cc9abc2ea4298d8779aa0fe55c25150ad36b0b2d7a45fa757c5d0bd9ce49f4dac1252687c10cabc1c6bfcb1de0eee5f4c39c729961e234

memory/2732-16-0x0000000000460000-0x0000000000466000-memory.dmp

memory/2732-15-0x00000000002C0000-0x00000000002C6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-11 02:25

Reported

2024-06-11 02:27

Platform

win10v2004-20240426-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_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-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_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\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_2b4c8fb3e423606607c3677018e2cd4b_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 52.86.6.113:443 emrlogistics.com tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 6.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 3.94.41.167:443 emrlogistics.com tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 52.86.6.113:443 emrlogistics.com tcp
US 3.94.41.167:443 emrlogistics.com tcp
US 52.86.6.113:443 emrlogistics.com tcp
US 3.94.41.167:443 emrlogistics.com tcp
US 52.86.6.113:443 emrlogistics.com tcp
US 3.94.41.167:443 emrlogistics.com tcp

Files

memory/4956-0-0x0000000000560000-0x0000000000566000-memory.dmp

memory/4956-1-0x00000000005D0000-0x00000000005D6000-memory.dmp

memory/4956-8-0x0000000000560000-0x0000000000566000-memory.dmp

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

MD5 dc29ee9a5f218b739d83ce2226349ffe
SHA1 f1e8fa8fe64c0fc23272a06f335529ac674e5ee5
SHA256 698acf8a71542aa2dc32797a508b5e124b5d9266593bb5ea9fc66ddd7b8e9c73
SHA512 150173a271d1c86391cc9abc2ea4298d8779aa0fe55c25150ad36b0b2d7a45fa757c5d0bd9ce49f4dac1252687c10cabc1c6bfcb1de0eee5f4c39c729961e234

memory/4784-23-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/4784-17-0x00000000004F0000-0x00000000004F6000-memory.dmp