Malware Analysis Report

2024-10-23 21:10

Sample ID 240125-v2fllabff5
Target 2024-01-25_59796b548d643ef5532ecd1138966f74_cryptolocker
SHA256 ac1e4a9ba6ee34f32645634e2f85aa362a95c522526ec64bca2bb1b7d8a750a2
Tags
kinsing loader upx
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

ac1e4a9ba6ee34f32645634e2f85aa362a95c522526ec64bca2bb1b7d8a750a2

Threat Level: Known bad

The file 2024-01-25_59796b548d643ef5532ecd1138966f74_cryptolocker was found to be: Known bad.

Malicious Activity Summary

kinsing loader upx

Detection of Cryptolocker Samples

Kinsing

Detection of CryptoLocker Variants

UPX dump on OEP (original entry point)

UPX dump on OEP (original entry point)

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

UPX packed file

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

2024-01-25 17:28

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

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:28

Reported

2024-01-25 17:31

Platform

win10v2004-20231222-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_59796b548d643ef5532ecd1138966f74_cryptolocker.exe"

Signatures

Kinsing

loader kinsing

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
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
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
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-01-25_59796b548d643ef5532ecd1138966f74_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
N/A N/A N/A N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_59796b548d643ef5532ecd1138966f74_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_59796b548d643ef5532ecd1138966f74_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 54.209.32.212:443 emrlogistics.com tcp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 52.71.57.184:443 emrlogistics.com tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 54.209.32.212:443 emrlogistics.com tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp
US 8.8.8.8:53 122.10.44.20.in-addr.arpa udp
US 52.71.57.184:443 emrlogistics.com tcp

Files

memory/3076-0-0x0000000000500000-0x0000000000510000-memory.dmp

memory/3076-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/3076-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/3076-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

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

MD5 9685c6b3c0d52e023521f4f42776c0f5
SHA1 9192a25a6b2f326850743a46475a72dad3f0d6c3
SHA256 e806ff77d92cffdd4871f261a006d6aa4f3e69cfb3b794333e22ec8104d60d2e
SHA512 e7657f18cf763e6be2b5e6985de253c028e0b7470b21c7f91054c8917b9bafe7457adcf9c32fb72ddb85f5e4ec1c9eebb7e46fb01e66a2f2b5b7677d13a51fe1

memory/4320-17-0x0000000000500000-0x0000000000510000-memory.dmp

memory/3076-18-0x0000000000500000-0x0000000000510000-memory.dmp

memory/4320-20-0x00000000005C0000-0x00000000005C6000-memory.dmp

memory/4320-26-0x00000000005A0000-0x00000000005A6000-memory.dmp

memory/4320-27-0x0000000000500000-0x0000000000510000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-25 17:28

Reported

2024-01-25 17:31

Platform

win7-20231215-en

Max time kernel

147s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_59796b548d643ef5532ecd1138966f74_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
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
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
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\2024-01-25_59796b548d643ef5532ecd1138966f74_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
N/A N/A N/A N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_59796b548d643ef5532ecd1138966f74_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_59796b548d643ef5532ecd1138966f74_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/1728-0-0x0000000000500000-0x0000000000510000-memory.dmp

memory/1728-1-0x0000000000240000-0x0000000000246000-memory.dmp

memory/1728-2-0x00000000003C0000-0x00000000003C6000-memory.dmp

memory/1728-9-0x0000000000240000-0x0000000000246000-memory.dmp

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

MD5 9685c6b3c0d52e023521f4f42776c0f5
SHA1 9192a25a6b2f326850743a46475a72dad3f0d6c3
SHA256 e806ff77d92cffdd4871f261a006d6aa4f3e69cfb3b794333e22ec8104d60d2e
SHA512 e7657f18cf763e6be2b5e6985de253c028e0b7470b21c7f91054c8917b9bafe7457adcf9c32fb72ddb85f5e4ec1c9eebb7e46fb01e66a2f2b5b7677d13a51fe1

memory/1728-15-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2712-17-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2712-18-0x0000000000270000-0x0000000000276000-memory.dmp

memory/2712-20-0x0000000000230000-0x0000000000236000-memory.dmp

memory/2712-26-0x0000000000500000-0x0000000000510000-memory.dmp