Malware Analysis Report

2024-08-06 11:04

Sample ID 240127-z4xecacbh4
Target test123.exe.2
SHA256 cbd30064862c3394ca5b660cb7a9e4ea8a5379cf2192b9e6747548163435ed39
Tags
cobaltstrike 0 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

cbd30064862c3394ca5b660cb7a9e4ea8a5379cf2192b9e6747548163435ed39

Threat Level: Known bad

The file test123.exe.2 was found to be: Known bad.

Malicious Activity Summary

cobaltstrike 0 100000000 backdoor trojan

Cobaltstrike

Unsigned PE

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-27 21:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-27 21:16

Reported

2024-01-27 21:19

Platform

win7-20231215-en

Max time kernel

118s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\test123.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\test123.exe

"C:\Users\Admin\AppData\Local\Temp\test123.exe"

Network

Country Destination Domain Proto
HK 156.245.19.127:8082 156.245.19.127 tcp
HK 156.245.19.127:443 156.245.19.127 tcp
HK 156.245.19.127:443 156.245.19.127 tcp

Files

memory/2184-0-0x000007FEBD210000-0x000007FEBD220000-memory.dmp

memory/2184-1-0x0000000001FD0000-0x0000000002011000-memory.dmp

memory/2184-2-0x000007FEFD220000-0x000007FEFD28C000-memory.dmp

memory/2184-3-0x0000000003600000-0x0000000003A72000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab79C4.tmp

MD5 ac05d27423a85adc1622c714f2cb6184
SHA1 b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA512 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

memory/2184-20-0x000007FEFD220000-0x000007FEFD28C000-memory.dmp

memory/2184-21-0x0000000003600000-0x0000000003A72000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Tar2E17.tmp

MD5 9c0c641c06238516f27941aa1166d427
SHA1 64cd549fb8cf014fcd9312aa7a5b023847b6c977
SHA256 4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
SHA512 936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

memory/2184-41-0x0000000003600000-0x0000000003A72000-memory.dmp

memory/2184-44-0x000007FEFD220000-0x000007FEFD28C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-27 21:16

Reported

2024-01-27 21:19

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\test123.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\test123.exe

"C:\Users\Admin\AppData\Local\Temp\test123.exe"

Network

Country Destination Domain Proto
HK 156.245.19.127:8082 156.245.19.127 tcp
US 8.8.8.8:53 127.19.245.156.in-addr.arpa udp
HK 156.245.19.127:443 156.245.19.127 tcp
US 8.8.8.8:53 206.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
HK 156.245.19.127:443 156.245.19.127 tcp
US 8.8.8.8:53 198.178.17.96.in-addr.arpa udp
HK 156.245.19.127:443 156.245.19.127 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 202.178.17.96.in-addr.arpa udp
HK 156.245.19.127:443 156.245.19.127 tcp
US 8.8.8.8:53 153.141.79.40.in-addr.arpa udp
HK 156.245.19.127:443 156.245.19.127 tcp

Files

memory/2016-0-0x00007FFE51460000-0x00007FFE51470000-memory.dmp

memory/2016-1-0x0000019F8ED20000-0x0000019F8ED61000-memory.dmp

memory/2016-2-0x0000019F8ED70000-0x0000019F8F1E2000-memory.dmp

memory/2016-5-0x0000019F8ED70000-0x0000019F8F1E2000-memory.dmp

memory/2016-7-0x0000019F8ED70000-0x0000019F8F1E2000-memory.dmp

memory/2016-9-0x0000019F8ED70000-0x0000019F8F1E2000-memory.dmp

memory/2016-11-0x0000019F8ED70000-0x0000019F8F1E2000-memory.dmp