Malware Analysis Report

2024-08-06 11:01

Sample ID 240317-m6fhdsch56
Target d5f9564aafaa6276a66d16e46e57bbe5d6d73dbcb0355d20d3a3d7d5775e59d8
SHA256 d5f9564aafaa6276a66d16e46e57bbe5d6d73dbcb0355d20d3a3d7d5775e59d8
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

d5f9564aafaa6276a66d16e46e57bbe5d6d73dbcb0355d20d3a3d7d5775e59d8

Threat Level: Known bad

The file d5f9564aafaa6276a66d16e46e57bbe5d6d73dbcb0355d20d3a3d7d5775e59d8 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

2024-03-17 11:04

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-17 11:04

Reported

2024-03-17 11:06

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d5f9564aafaa6276a66d16e46e57bbe5d6d73dbcb0355d20d3a3d7d5775e59d8.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\d5f9564aafaa6276a66d16e46e57bbe5d6d73dbcb0355d20d3a3d7d5775e59d8.exe

"C:\Users\Admin\AppData\Local\Temp\d5f9564aafaa6276a66d16e46e57bbe5d6d73dbcb0355d20d3a3d7d5775e59d8.exe"

Network

Country Destination Domain Proto
KR 158.247.227.150:443 158.247.227.150 tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 150.227.247.158.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
KR 158.247.227.150:443 158.247.227.150 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 45.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 211.178.17.96.in-addr.arpa udp
KR 158.247.227.150:443 158.247.227.150 tcp
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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
KR 158.247.227.150:443 158.247.227.150 tcp

Files

memory/1276-1-0x00000255BB030000-0x00000255BB071000-memory.dmp

memory/1276-0-0x00000255BB080000-0x00000255BB4F2000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-17 11:04

Reported

2024-03-17 11:07

Platform

win7-20240221-en

Max time kernel

138s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d5f9564aafaa6276a66d16e46e57bbe5d6d73dbcb0355d20d3a3d7d5775e59d8.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\d5f9564aafaa6276a66d16e46e57bbe5d6d73dbcb0355d20d3a3d7d5775e59d8.exe

"C:\Users\Admin\AppData\Local\Temp\d5f9564aafaa6276a66d16e46e57bbe5d6d73dbcb0355d20d3a3d7d5775e59d8.exe"

Network

Country Destination Domain Proto
KR 158.247.227.150:443 158.247.227.150 tcp
KR 158.247.227.150:443 158.247.227.150 tcp
KR 158.247.227.150:443 158.247.227.150 tcp
KR 158.247.227.150:443 158.247.227.150 tcp

Files

memory/2868-0-0x0000000028470000-0x00000000288E2000-memory.dmp

memory/2868-1-0x0000000000730000-0x0000000000771000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

MD5 753df6889fd7410a2e9fe333da83a429
SHA1 3c425f16e8267186061dd48ac1c77c122962456e
SHA256 b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78
SHA512 9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

C:\Users\Admin\AppData\Local\Temp\TarDC23.tmp

MD5 dd73cead4b93366cf3465c8cd32e2796
SHA1 74546226dfe9ceb8184651e920d1dbfb432b314e
SHA256 a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22
SHA512 ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63