Malware Analysis Report

2024-08-06 11:02

Sample ID 240127-z4w4kscbh3
Target test123.exe.1
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.1 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

119s

Max time network

123s

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/2000-0-0x000007FEBDB80000-0x000007FEBDB90000-memory.dmp

memory/2000-1-0x000007FEFDB90000-0x000007FEFDBFC000-memory.dmp

memory/2000-2-0x0000000002390000-0x00000000023D1000-memory.dmp

memory/2000-3-0x00000000036B0000-0x0000000003B22000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab6E5F.tmp

MD5 ac05d27423a85adc1622c714f2cb6184
SHA1 b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA512 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

memory/2000-20-0x000007FEFDB90000-0x000007FEFDBFC000-memory.dmp

memory/2000-21-0x00000000036B0000-0x0000000003B22000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Tar11F0.tmp

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

memory/2000-41-0x00000000036B0000-0x0000000003B22000-memory.dmp

memory/2000-44-0x000007FEFDB90000-0x000007FEFDBFC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-27 21:16

Reported

2024-01-27 21:19

Platform

win10v2004-20231222-en

Max time kernel

124s

Max time network

149s

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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 127.19.245.156.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 181.178.17.96.in-addr.arpa udp
HK 156.245.19.127:443 156.245.19.127 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
HK 156.245.19.127:443 156.245.19.127 tcp
US 8.8.8.8:53 185.178.17.96.in-addr.arpa udp
HK 156.245.19.127:443 156.245.19.127 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
HK 156.245.19.127:443 156.245.19.127 tcp

Files

memory/2712-0-0x00007FFAC1B90000-0x00007FFAC1BA0000-memory.dmp

memory/2712-1-0x00000268069A0000-0x00000268069E1000-memory.dmp

memory/2712-2-0x00000268088E0000-0x0000026808D52000-memory.dmp

memory/2712-3-0x00000268088E0000-0x0000026808D52000-memory.dmp

memory/2712-5-0x00000268088E0000-0x0000026808D52000-memory.dmp

memory/2712-7-0x00000268088E0000-0x0000026808D52000-memory.dmp