Malware Analysis Report

2024-10-23 19:49

Sample ID 240312-m8n8bafd6z
Target c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893
SHA256 c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893
Tags
chaos ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893

Threat Level: Known bad

The file c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893 was found to be: Known bad.

Malicious Activity Summary

chaos ransomware

Detects command variations typically used by ransomware

Chaos

Chaos Ransomware

Chaos family

Detects command variations typically used by ransomware

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-12 11:08

Signatures

Chaos Ransomware

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

Chaos family

chaos

Detects command variations typically used by ransomware

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

2024-03-12 11:08

Reported

2024-03-12 11:10

Platform

win7-20240221-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe"

Signatures

Chaos

ransomware chaos

Chaos Ransomware

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

Detects command variations typically used by ransomware

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe

"C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe"

Network

N/A

Files

memory/2848-0-0x0000000001050000-0x00000000010E0000-memory.dmp

memory/2848-1-0x000007FEF5FF0000-0x000007FEF69DC000-memory.dmp

memory/2848-2-0x000000001AF50000-0x000000001AFD0000-memory.dmp

memory/2848-3-0x000000001AF50000-0x000000001AFD0000-memory.dmp

memory/2848-4-0x000007FEF5FF0000-0x000007FEF69DC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-12 11:08

Reported

2024-03-12 11:11

Platform

win10v2004-20240226-en

Max time kernel

140s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe"

Signatures

Chaos

ransomware chaos

Chaos Ransomware

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

Detects command variations typically used by ransomware

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe

"C:\Users\Admin\AppData\Local\Temp\c12b5cdfe9ceaa7102571ed7479a540acd0a31059af547b366b78180f1b1c893.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 142.250.178.10:443 tcp
US 8.8.8.8:53 23.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 181.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 218.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 72.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 131.72.42.20.in-addr.arpa udp

Files

memory/4268-0-0x0000000000D40000-0x0000000000DD0000-memory.dmp

memory/4268-1-0x00007FFFA4610000-0x00007FFFA50D1000-memory.dmp

memory/4268-2-0x0000000002ED0000-0x0000000002EE0000-memory.dmp

memory/4268-3-0x0000000002ED0000-0x0000000002EE0000-memory.dmp

memory/4268-4-0x00007FFFA4610000-0x00007FFFA50D1000-memory.dmp

memory/4268-5-0x0000000002ED0000-0x0000000002EE0000-memory.dmp

memory/4268-6-0x0000000002ED0000-0x0000000002EE0000-memory.dmp

memory/4268-7-0x0000000002ED0000-0x0000000002EE0000-memory.dmp