Malware Analysis Report

2024-11-13 18:23

Sample ID 241103-rzlhaayrap
Target 8bf99f84ca8bdf4b521547a4e45d8ccd_JaffaCakes118
SHA256 7d65930404b0b4f15291303d8effcc899bb7fef9341b371d0a89756c8a8d1b82
Tags
latentbot discovery persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

7d65930404b0b4f15291303d8effcc899bb7fef9341b371d0a89756c8a8d1b82

Threat Level: Known bad

The file 8bf99f84ca8bdf4b521547a4e45d8ccd_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

latentbot discovery persistence trojan

LatentBot

Latentbot family

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Modifies registry class

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-03 14:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-03 14:37

Reported

2024-11-03 14:42

Platform

win7-20240903-en

Max time kernel

145s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8bf99f84ca8bdf4b521547a4e45d8ccd_JaffaCakes118.exe"

Signatures

LatentBot

trojan latentbot

Latentbot family

latentbot

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\winamp.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winamp.exe" C:\Users\Admin\AppData\Roaming\Microsoft\winamp.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8bf99f84ca8bdf4b521547a4e45d8ccd_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\Microsoft\winamp.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8bf99f84ca8bdf4b521547a4e45d8ccd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8bf99f84ca8bdf4b521547a4e45d8ccd_JaffaCakes118.exe"

C:\Users\Admin\AppData\Roaming\Microsoft\winamp.exe

"C:\Users\Admin\AppData\Roaming\Microsoft\winamp.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 privatehost.zapto.org udp
DE 95.222.9.249:3077 privatehost.zapto.org tcp
DE 95.222.9.249:3077 privatehost.zapto.org tcp
US 8.8.8.8:53 privatehost.zapto.org udp
DE 95.222.9.249:3077 privatehost.zapto.org tcp
DE 95.222.9.249:3077 privatehost.zapto.org tcp
DE 95.222.9.249:3077 privatehost.zapto.org tcp
US 8.8.8.8:53 privatehost.zapto.org udp
DE 95.222.9.249:3077 privatehost.zapto.org tcp
DE 95.222.9.249:3077 privatehost.zapto.org tcp

Files

\Users\Admin\AppData\Roaming\Microsoft\winamp.exe

MD5 8bf99f84ca8bdf4b521547a4e45d8ccd
SHA1 e2f19bb37a8453b8dd9d08d3266e0f4d4494893c
SHA256 7d65930404b0b4f15291303d8effcc899bb7fef9341b371d0a89756c8a8d1b82
SHA512 36aded5134c71ec0bc0a3af89daf6dc69e380cad79aea912be2a056b6ba376644a604c7c3f5301cdf0d6d55337759559666be14fe2fa9019f328b302f13d1af1

memory/1568-10-0x0000000000400000-0x0000000000423000-memory.dmp

memory/2252-12-0x0000000000400000-0x0000000000423000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-03 14:37

Reported

2024-11-03 14:41

Platform

win10v2004-20241007-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8bf99f84ca8bdf4b521547a4e45d8ccd_JaffaCakes118.exe"

Signatures

LatentBot

trojan latentbot

Latentbot family

latentbot

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\8bf99f84ca8bdf4b521547a4e45d8ccd_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\winamp.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winamp.exe" C:\Users\Admin\AppData\Roaming\Microsoft\winamp.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8bf99f84ca8bdf4b521547a4e45d8ccd_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\Microsoft\winamp.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ C:\Users\Admin\AppData\Local\Temp\8bf99f84ca8bdf4b521547a4e45d8ccd_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8bf99f84ca8bdf4b521547a4e45d8ccd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8bf99f84ca8bdf4b521547a4e45d8ccd_JaffaCakes118.exe"

C:\Users\Admin\AppData\Roaming\Microsoft\winamp.exe

"C:\Users\Admin\AppData\Roaming\Microsoft\winamp.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 privatehost.zapto.org udp
DE 95.222.9.249:3077 privatehost.zapto.org tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
DE 95.222.9.249:3077 privatehost.zapto.org tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
DE 95.222.9.249:3077 privatehost.zapto.org tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 privatehost.zapto.org udp
DE 95.222.9.249:3077 privatehost.zapto.org tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
DE 95.222.9.249:3077 privatehost.zapto.org tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
DE 95.222.9.249:3077 privatehost.zapto.org tcp
US 8.8.8.8:53 privatehost.zapto.org udp
DE 95.222.9.249:3077 privatehost.zapto.org tcp

Files

C:\Users\Admin\AppData\Roaming\Microsoft\winamp.exe

MD5 8bf99f84ca8bdf4b521547a4e45d8ccd
SHA1 e2f19bb37a8453b8dd9d08d3266e0f4d4494893c
SHA256 7d65930404b0b4f15291303d8effcc899bb7fef9341b371d0a89756c8a8d1b82
SHA512 36aded5134c71ec0bc0a3af89daf6dc69e380cad79aea912be2a056b6ba376644a604c7c3f5301cdf0d6d55337759559666be14fe2fa9019f328b302f13d1af1

memory/2076-33-0x0000000000400000-0x0000000000423000-memory.dmp

memory/3604-34-0x0000000000400000-0x0000000000423000-memory.dmp