Malware Analysis Report

2024-10-19 08:26

Sample ID 240125-wag6sabhg6
Target 2024-01-25_1753e8d7da529a859f518fb1d9a28a0c_cryptolocker
SHA256 5053133a1ac53aba928001fb45e634da55cea8ba1dcf3a38c21778520a689a67
Tags
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

5053133a1ac53aba928001fb45e634da55cea8ba1dcf3a38c21778520a689a67

Threat Level: Known bad

The file 2024-01-25_1753e8d7da529a859f518fb1d9a28a0c_cryptolocker was found to be: Known bad.

Malicious Activity Summary

kinsing loader

Kinsing

Detection of CryptoLocker Variants

UPX dump on OEP (original entry point)

Detection of Cryptolocker Samples

UPX dump on OEP (original entry point)

Detection of CryptoLocker Variants

Loads dropped DLL

Executes dropped EXE

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 17:42

Signatures

Detection of CryptoLocker Variants

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

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-25 17:42

Reported

2024-01-25 17:45

Platform

win7-20231215-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_1753e8d7da529a859f518fb1d9a28a0c_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

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_1753e8d7da529a859f518fb1d9a28a0c_cryptolocker.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_1753e8d7da529a859f518fb1d9a28a0c_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_1753e8d7da529a859f518fb1d9a28a0c_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 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp
US 52.71.57.184:443 emrlogistics.com tcp
US 54.209.32.212:443 emrlogistics.com tcp

Files

memory/1684-0-0x0000000000240000-0x0000000000246000-memory.dmp

memory/1684-2-0x0000000000290000-0x0000000000296000-memory.dmp

memory/1684-1-0x0000000000500000-0x0000000000510000-memory.dmp

memory/1684-3-0x0000000000240000-0x0000000000246000-memory.dmp

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

MD5 ae19663d508c8f567ca208a433200def
SHA1 3a005aaa0369c3f87188d61320601e1975f698cf
SHA256 6dcd36d4c4a4bcba55f3164feb24960ed9fab34f1465888d8443879276203cf8
SHA512 00e3c67924f23c8f512e5a733f929d14ba76ecd7e1aaed9e70b567468d61ef2fc9a681f00c492edf3529c2bbe1cb2fca0c5ad62210f58efa4fa46b6eb3702377

memory/1684-15-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2160-17-0x0000000000500000-0x0000000000510000-memory.dmp

memory/1684-13-0x0000000000630000-0x0000000000640000-memory.dmp

memory/2160-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

memory/2160-20-0x0000000000390000-0x0000000000396000-memory.dmp

memory/2160-27-0x0000000000500000-0x0000000000510000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:42

Reported

2024-01-25 17:45

Platform

win10v2004-20231215-en

Max time kernel

156s

Max time network

169s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_1753e8d7da529a859f518fb1d9a28a0c_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

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-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2024-01-25_1753e8d7da529a859f518fb1d9a28a0c_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\2024-01-25_1753e8d7da529a859f518fb1d9a28a0c_cryptolocker.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_1753e8d7da529a859f518fb1d9a28a0c_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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 emrlogistics.com udp
US 18.119.154.66:443 emrlogistics.com tcp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 3.140.13.188:443 emrlogistics.com tcp
US 18.119.154.66:443 emrlogistics.com tcp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 3.140.13.188:443 emrlogistics.com tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 18.119.154.66:443 emrlogistics.com tcp
US 3.140.13.188:443 emrlogistics.com tcp
US 8.8.8.8:53 77.239.69.13.in-addr.arpa udp
US 18.119.154.66:443 emrlogistics.com tcp

Files

memory/1468-0-0x0000000000500000-0x0000000000510000-memory.dmp

memory/1468-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

memory/1468-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

memory/1468-3-0x0000000000660000-0x0000000000666000-memory.dmp

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

MD5 ae19663d508c8f567ca208a433200def
SHA1 3a005aaa0369c3f87188d61320601e1975f698cf
SHA256 6dcd36d4c4a4bcba55f3164feb24960ed9fab34f1465888d8443879276203cf8
SHA512 00e3c67924f23c8f512e5a733f929d14ba76ecd7e1aaed9e70b567468d61ef2fc9a681f00c492edf3529c2bbe1cb2fca0c5ad62210f58efa4fa46b6eb3702377

memory/2216-18-0x0000000000500000-0x0000000000510000-memory.dmp

memory/1468-17-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2216-20-0x0000000002000000-0x0000000002006000-memory.dmp

memory/2216-26-0x0000000001F50000-0x0000000001F56000-memory.dmp

memory/2216-27-0x0000000000500000-0x0000000000510000-memory.dmp