Malware Analysis Report

2024-08-06 11:04

Sample ID 231222-ff7evsgec2
Target a3cb8e0e24d78ab134da135ae81f4ce6e0f11225e4592a57cb55b902c93f874f
SHA256 a3cb8e0e24d78ab134da135ae81f4ce6e0f11225e4592a57cb55b902c93f874f
Tags
cobaltstrike 100000000 backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a3cb8e0e24d78ab134da135ae81f4ce6e0f11225e4592a57cb55b902c93f874f

Threat Level: Known bad

The file a3cb8e0e24d78ab134da135ae81f4ce6e0f11225e4592a57cb55b902c93f874f was found to be: Known bad.

Malicious Activity Summary

cobaltstrike 100000000 backdoor trojan

Cobaltstrike

Unsigned PE

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-22 04:50

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-22 04:49

Reported

2023-12-22 04:52

Platform

win10v2004-20231215-en

Max time kernel

144s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a3cb8e0e24d78ab134da135ae81f4ce6e0f11225e4592a57cb55b902c93f874f.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\a3cb8e0e24d78ab134da135ae81f4ce6e0f11225e4592a57cb55b902c93f874f.exe

"C:\Users\Admin\AppData\Local\Temp\a3cb8e0e24d78ab134da135ae81f4ce6e0f11225e4592a57cb55b902c93f874f.exe"

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 21.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 2006.filemail.com udp
ES 50.7.82.186:443 2006.filemail.com tcp
US 8.8.8.8:53 186.82.7.50.in-addr.arpa udp
US 8.8.8.8:53 233.38.18.104.in-addr.arpa udp
CN 154.8.177.139:7878 tcp
US 8.8.8.8:53 23.149.64.172.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
CN 154.8.177.139:7878 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
CN 154.8.177.139:7878 tcp

Files

memory/1756-8-0x000002CE68410000-0x000002CE68882000-memory.dmp

memory/1756-9-0x000002CE674A0000-0x000002CE675FB000-memory.dmp

memory/1756-10-0x00007FF6432C0000-0x00007FF643D34000-memory.dmp

memory/1756-13-0x000002CE674A0000-0x000002CE675FB000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-22 04:49

Reported

2023-12-22 04:52

Platform

win7-20231215-en

Max time kernel

7s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a3cb8e0e24d78ab134da135ae81f4ce6e0f11225e4592a57cb55b902c93f874f.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\a3cb8e0e24d78ab134da135ae81f4ce6e0f11225e4592a57cb55b902c93f874f.exe

"C:\Users\Admin\AppData\Local\Temp\a3cb8e0e24d78ab134da135ae81f4ce6e0f11225e4592a57cb55b902c93f874f.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 2006.filemail.com udp
ES 50.7.82.186:443 2006.filemail.com tcp
CN 154.8.177.139:7878 tcp
CN 154.8.177.139:7878 tcp
CN 154.8.177.139:7878 tcp
CN 154.8.177.139:7878 tcp

Files

C:\Users\Admin\AppData\Local\Temp\Cab3258.tmp

MD5 e3f9958e87010392652a5162d146bbcb
SHA1 c1bec520c897b6d3499a3830e15e3d31f1fc3d19
SHA256 004da1933654d6b5746d03992364b8dac5b1deae6604b25652aa75fdcacffb5b
SHA512 d6f49ae7be691fb1c95322b0890b5cda1a273df9bd70983d5adbe03e614e357b1f2d87c050ca51aef87a713b425ba0860b08d446541e58e62734ec7338a8b7c0

C:\Users\Admin\AppData\Local\Temp\Tar326B.tmp

MD5 5e7a17a4de15c0c7179d4bea0f8bb393
SHA1 7bbe140315e4d757420698e9a6a6e9f72afb5a3a
SHA256 3fb01be7cee42935b4db648f4535f7583d1d6043eb05c09e9e362cf8d861fc2a
SHA512 003b68fb57922d6b2936f22529c50064f5c0aa156aa48eb48d568648040b3379a0607ba765288bd866a8bdb26790ca75ec893ec3c20bef4e042630339794cb7e

memory/2664-53-0x0000000001CF0000-0x0000000001D31000-memory.dmp

memory/2664-52-0x0000000006280000-0x00000000066F2000-memory.dmp

memory/2664-54-0x000000013F750000-0x00000001401C4000-memory.dmp

memory/2664-57-0x0000000001CF0000-0x0000000001D31000-memory.dmp