Malware Analysis Report

2024-10-23 21:15

Sample ID 240125-v6kfcabgf6
Target 2024-01-25_b46fad7d4d7c73bfd0f1014eed18255d_cryptolocker
SHA256 0d55ee7b8da66aae5c9918d60992bdcb44201d2d95517f559afb3f9213cc5369
Tags
upx kinsing loader
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

0d55ee7b8da66aae5c9918d60992bdcb44201d2d95517f559afb3f9213cc5369

Threat Level: Known bad

The file 2024-01-25_b46fad7d4d7c73bfd0f1014eed18255d_cryptolocker was found to be: Known bad.

Malicious Activity Summary

upx kinsing loader

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Kinsing

UPX dump on OEP (original entry point)

UPX dump on OEP (original entry point)

Detection of CryptoLocker Variants

Detection of Cryptolocker Samples

Executes dropped EXE

Loads dropped DLL

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

2024-01-25 17:36

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

2024-01-25 17:36

Reported

2024-01-25 17:38

Platform

win7-20231215-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b46fad7d4d7c73bfd0f1014eed18255d_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
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
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
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_b46fad7d4d7c73bfd0f1014eed18255d_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
N/A N/A N/A N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_b46fad7d4d7c73bfd0f1014eed18255d_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b46fad7d4d7c73bfd0f1014eed18255d_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/2356-0-0x0000000000320000-0x0000000000326000-memory.dmp

memory/2356-1-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2356-3-0x0000000000460000-0x0000000000466000-memory.dmp

memory/2356-2-0x0000000000320000-0x0000000000326000-memory.dmp

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

MD5 be3c6cd1bf691c5385e2c9cc57673bb4
SHA1 7f31e0a7968d8dfa1ecaa83e5f558b0fbfb3738c
SHA256 4257488dc66b89cc3ad4202ff0e715f4a3bccb128ec6736fe2f3e412c7fd649b
SHA512 50934a6fe40dddff88e6ef4e0d3d10d0175d3074f7d0192ce922142b75567ca9b2a8c8f0e0b84e4861cf6bfae75fd84a11ba819c19cbe2b68cd2bd6f0af3e256

memory/2356-12-0x0000000000600000-0x000000000060F000-memory.dmp

memory/2356-16-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2732-17-0x0000000000500000-0x000000000050F000-memory.dmp

memory/2732-20-0x0000000000370000-0x0000000000376000-memory.dmp

memory/2732-19-0x0000000000330000-0x0000000000336000-memory.dmp

memory/2732-27-0x0000000000500000-0x000000000050F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:36

Reported

2024-01-25 17:38

Platform

win10v2004-20231215-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b46fad7d4d7c73bfd0f1014eed18255d_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-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-01-25_b46fad7d4d7c73bfd0f1014eed18255d_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_b46fad7d4d7c73bfd0f1014eed18255d_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b46fad7d4d7c73bfd0f1014eed18255d_cryptolocker.exe"

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

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

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 3.130.204.160:443 emrlogistics.com tcp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 3.130.253.23:443 emrlogistics.com tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 28.160.77.104.in-addr.arpa udp
US 3.130.204.160:443 emrlogistics.com tcp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 3.130.253.23:443 emrlogistics.com tcp
US 3.130.204.160:443 emrlogistics.com tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa 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

Files

memory/920-0-0x0000000000500000-0x000000000050F000-memory.dmp

memory/920-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

memory/920-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

memory/920-3-0x0000000000510000-0x0000000000516000-memory.dmp

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

MD5 be3c6cd1bf691c5385e2c9cc57673bb4
SHA1 7f31e0a7968d8dfa1ecaa83e5f558b0fbfb3738c
SHA256 4257488dc66b89cc3ad4202ff0e715f4a3bccb128ec6736fe2f3e412c7fd649b
SHA512 50934a6fe40dddff88e6ef4e0d3d10d0175d3074f7d0192ce922142b75567ca9b2a8c8f0e0b84e4861cf6bfae75fd84a11ba819c19cbe2b68cd2bd6f0af3e256

memory/920-18-0x0000000000500000-0x000000000050F000-memory.dmp

memory/1396-17-0x0000000000500000-0x000000000050F000-memory.dmp

memory/1396-22-0x00000000006B0000-0x00000000006B6000-memory.dmp

memory/1396-20-0x00000000006D0000-0x00000000006D6000-memory.dmp

memory/1396-27-0x0000000000500000-0x000000000050F000-memory.dmp