Malware Analysis Report

2024-08-06 11:01

Sample ID 240408-rd3jnsec2w
Target d5dc0c6501521f54bbdc8c36dd490e0981b4e5dadd854c1165b1782d7cc9ae28
SHA256 d5dc0c6501521f54bbdc8c36dd490e0981b4e5dadd854c1165b1782d7cc9ae28
Tags
cobaltstrike 100000000 backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

d5dc0c6501521f54bbdc8c36dd490e0981b4e5dadd854c1165b1782d7cc9ae28

Threat Level: Known bad

The file d5dc0c6501521f54bbdc8c36dd490e0981b4e5dadd854c1165b1782d7cc9ae28 was found to be: Known bad.

Malicious Activity Summary

cobaltstrike 100000000 backdoor trojan

Cobaltstrike

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-08 14:05

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-08 14:05

Reported

2024-04-08 14:08

Platform

win7-20240215-en

Max time kernel

140s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d5dc0c6501521f54bbdc8c36dd490e0981b4e5dadd854c1165b1782d7cc9ae28.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\d5dc0c6501521f54bbdc8c36dd490e0981b4e5dadd854c1165b1782d7cc9ae28.exe

"C:\Users\Admin\AppData\Local\Temp\d5dc0c6501521f54bbdc8c36dd490e0981b4e5dadd854c1165b1782d7cc9ae28.exe"

Network

Country Destination Domain Proto
CN 120.79.133.47:8008 tcp
CN 120.79.133.47:8008 tcp
CN 120.79.133.47:8008 tcp
CN 120.79.133.47:8008 tcp

Files

memory/1756-0-0x00000000003B0000-0x00000000003F1000-memory.dmp

memory/1756-1-0x0000000000270000-0x0000000000271000-memory.dmp

memory/1756-2-0x00000000021B0000-0x0000000002622000-memory.dmp

memory/1756-5-0x00000000002A0000-0x00000000002A1000-memory.dmp

memory/1756-3-0x0000000000280000-0x0000000000281000-memory.dmp

memory/1756-4-0x0000000000290000-0x0000000000291000-memory.dmp

memory/1756-6-0x00000000003B0000-0x00000000003B1000-memory.dmp

memory/1756-7-0x0000000000400000-0x00000000004D2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-08 14:05

Reported

2024-04-08 14:08

Platform

win10v2004-20240319-en

Max time kernel

147s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d5dc0c6501521f54bbdc8c36dd490e0981b4e5dadd854c1165b1782d7cc9ae28.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeManageVolumePrivilege N/A C:\Windows\System32\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d5dc0c6501521f54bbdc8c36dd490e0981b4e5dadd854c1165b1782d7cc9ae28.exe

"C:\Users\Admin\AppData\Local\Temp\d5dc0c6501521f54bbdc8c36dd490e0981b4e5dadd854c1165b1782d7cc9ae28.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=4252 --field-trial-handle=2224,i,17688331074622862378,73816879873678745,262144 --variations-seed-version /prefetch:8

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k UnistackSvcGroup

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
CN 120.79.133.47:8008 tcp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
IE 94.245.104.56:443 tcp
GB 172.166.92.12:443 tcp
GB 51.140.242.104:443 tcp
US 8.8.8.8:53 154.173.246.72.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
NL 142.250.179.138:443 tcp
NL 142.250.179.138:443 tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
GB 13.105.221.16:443 tcp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
CN 120.79.133.47:8008 tcp
US 8.8.8.8:53 55.36.223.20.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 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
CN 120.79.133.47:8008 tcp

Files

memory/2840-1-0x00000000006E0000-0x00000000006E1000-memory.dmp

memory/2840-2-0x00000000006F0000-0x00000000006F1000-memory.dmp

memory/2840-0-0x0000000000720000-0x0000000000761000-memory.dmp

memory/2840-3-0x0000000000700000-0x0000000000701000-memory.dmp

memory/2840-5-0x00000000026F0000-0x0000000002B62000-memory.dmp

memory/2840-4-0x0000000000710000-0x0000000000711000-memory.dmp

memory/2840-6-0x0000000000400000-0x00000000004D2000-memory.dmp

memory/2840-8-0x0000000000720000-0x0000000000761000-memory.dmp

memory/4392-21-0x00000184B2C40000-0x00000184B2C50000-memory.dmp

memory/4392-37-0x00000184B2D40000-0x00000184B2D50000-memory.dmp

memory/4392-53-0x00000184BB0A0000-0x00000184BB0A1000-memory.dmp

memory/4392-55-0x00000184BB0D0000-0x00000184BB0D1000-memory.dmp

memory/4392-56-0x00000184BB0D0000-0x00000184BB0D1000-memory.dmp

memory/4392-57-0x00000184BB1E0000-0x00000184BB1E1000-memory.dmp