Malware Analysis Report

2025-01-18 02:36

Sample ID 240125-s16ehsagdp
Target 2024-01-25_69f65334d957bb2ceffe306efd0f7739_cryptolocker
SHA256 ab21fd151e0c6e2a06306335d5867255f22815343e8f680af96dd6f9d79a1b99
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

ab21fd151e0c6e2a06306335d5867255f22815343e8f680af96dd6f9d79a1b99

Threat Level: Known bad

The file 2024-01-25_69f65334d957bb2ceffe306efd0f7739_cryptolocker was found to be: Known bad.

Malicious Activity Summary

upx kinsing loader

Detection of Cryptolocker Samples

UPX dump on OEP (original entry point)

Kinsing

Detection of CryptoLocker Variants

UPX dump on OEP (original entry point)

Detection of Cryptolocker Samples

Detection of CryptoLocker Variants

Checks computer location settings

UPX packed file

Executes dropped EXE

Loads dropped DLL

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-25 15:36

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: behavioral1

Detonation Overview

Submitted

2024-01-25 15:36

Reported

2024-01-25 15:39

Platform

win7-20231215-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_69f65334d957bb2ceffe306efd0f7739_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_69f65334d957bb2ceffe306efd0f7739_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_69f65334d957bb2ceffe306efd0f7739_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_69f65334d957bb2ceffe306efd0f7739_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/2196-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/2196-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/2196-1-0x0000000000500000-0x000000000050F311-memory.dmp

memory/2196-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

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

MD5 c1162e14622cae73beb0372cddf19440
SHA1 3f5f91de23f4ea344f40251e724727eb819efba2
SHA256 12d6ebe359e619125b834ee84ea334c4afea4447dc8b9828a1f375ee4cb1c2f5
SHA512 579337fbd5f615de6547c646e4ca011fde2ea96437b09e5d852abafef47f05f5f2a07c54d0b0460095d169b0d249f83c5d75b5564ebf0f3a798ae7b64f07e37a

memory/2196-15-0x0000000000500000-0x000000000050F311-memory.dmp

memory/2800-17-0x0000000000500000-0x000000000050F311-memory.dmp

memory/2196-12-0x0000000001D60000-0x0000000001D70000-memory.dmp

memory/2800-19-0x00000000002D0000-0x00000000002D6000-memory.dmp

memory/2800-26-0x0000000000240000-0x0000000000246000-memory.dmp

memory/2800-27-0x0000000000500000-0x000000000050F311-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 15:36

Reported

2024-01-25 15:39

Platform

win10v2004-20231215-en

Max time kernel

139s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_69f65334d957bb2ceffe306efd0f7739_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

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

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-01-25_69f65334d957bb2ceffe306efd0f7739_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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_69f65334d957bb2ceffe306efd0f7739_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_69f65334d957bb2ceffe306efd0f7739_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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 178.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 82.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
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 3.140.13.188:443 emrlogistics.com tcp
US 8.8.8.8:53 17.143.109.104.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 43.229.111.52.in-addr.arpa udp
US 18.119.154.66:443 emrlogistics.com tcp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 3.140.13.188:443 emrlogistics.com tcp
US 18.119.154.66:443 emrlogistics.com tcp
US 8.8.8.8:53 89.65.42.20.in-addr.arpa udp

Files

memory/4892-0-0x0000000000500000-0x000000000050F311-memory.dmp

memory/4892-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/4892-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/4892-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

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

MD5 c1162e14622cae73beb0372cddf19440
SHA1 3f5f91de23f4ea344f40251e724727eb819efba2
SHA256 12d6ebe359e619125b834ee84ea334c4afea4447dc8b9828a1f375ee4cb1c2f5
SHA512 579337fbd5f615de6547c646e4ca011fde2ea96437b09e5d852abafef47f05f5f2a07c54d0b0460095d169b0d249f83c5d75b5564ebf0f3a798ae7b64f07e37a

memory/4892-18-0x0000000000500000-0x000000000050F311-memory.dmp

memory/1652-19-0x00000000005D0000-0x00000000005D6000-memory.dmp

memory/1652-22-0x0000000000560000-0x0000000000566000-memory.dmp

memory/1652-26-0x0000000000500000-0x000000000050F311-memory.dmp