Malware Analysis Report

2024-11-16 10:46

Sample ID 240603-jsjfcage8z
Target 9106953baaeea3a29fd9dbea826c73ce_JaffaCakes118
SHA256 cdb57a075dfc0352d699e4d87c14b576818364dfd50de866d3432f11c861255e
Tags
discovery evasion persistence
score
9/10

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
9/10

SHA256

cdb57a075dfc0352d699e4d87c14b576818364dfd50de866d3432f11c861255e

Threat Level: Likely malicious

The file 9106953baaeea3a29fd9dbea826c73ce_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion persistence

Checks for common network interception software

Enumerates VirtualBox registry keys

Checks installed software on the system

Adds Run key to start application

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-03 07:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 07:55

Reported

2024-06-03 07:58

Platform

win7-20240508-en

Max time kernel

147s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9106953baaeea3a29fd9dbea826c73ce_JaffaCakes118.exe"

Signatures

Checks for common network interception software

evasion

Enumerates VirtualBox registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxGuest C:\Users\Admin\AppData\Local\Temp\9106953baaeea3a29fd9dbea826c73ce_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\UO1o9 = "\"C:\\Users\\Admin\\AppData\\Roaming\\UO1o9.exe\" opt" C:\Users\Admin\AppData\Local\Temp\9106953baaeea3a29fd9dbea826c73ce_JaffaCakes118.exe N/A

Checks installed software on the system

discovery

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9106953baaeea3a29fd9dbea826c73ce_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9106953baaeea3a29fd9dbea826c73ce_JaffaCakes118.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9106953baaeea3a29fd9dbea826c73ce_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9106953baaeea3a29fd9dbea826c73ce_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9106953baaeea3a29fd9dbea826c73ce_JaffaCakes118.exe"

Network

Country Destination Domain Proto
NL 79.142.66.240:80 tcp
NL 5.149.248.153:80 tcp
NL 5.149.248.153:80 tcp
NL 5.149.248.153:80 tcp
NL 5.149.248.153:80 tcp
NL 5.149.248.153:80 tcp
NL 79.142.66.240:80 tcp

Files

memory/2184-1-0x0000000002440000-0x0000000002441000-memory.dmp

memory/2184-5-0x0000000000290000-0x0000000000291000-memory.dmp

memory/2184-3-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2184-7-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2184-4-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2184-2-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2184-6-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2184-8-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2184-10-0x0000000002440000-0x0000000002441000-memory.dmp

memory/2184-11-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2184-21-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2184-24-0x0000000000400000-0x00000000004D4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 07:55

Reported

2024-06-03 07:58

Platform

win10v2004-20240426-en

Max time kernel

124s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9106953baaeea3a29fd9dbea826c73ce_JaffaCakes118.exe"

Signatures

Checks for common network interception software

evasion

Enumerates VirtualBox registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxGuest C:\Users\Admin\AppData\Local\Temp\9106953baaeea3a29fd9dbea826c73ce_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\w93y793 = "\"C:\\Users\\Admin\\AppData\\Roaming\\w93y793.exe\" opt" C:\Users\Admin\AppData\Local\Temp\9106953baaeea3a29fd9dbea826c73ce_JaffaCakes118.exe N/A

Checks installed software on the system

discovery

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9106953baaeea3a29fd9dbea826c73ce_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9106953baaeea3a29fd9dbea826c73ce_JaffaCakes118.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9106953baaeea3a29fd9dbea826c73ce_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9106953baaeea3a29fd9dbea826c73ce_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9106953baaeea3a29fd9dbea826c73ce_JaffaCakes118.exe"

Network

Country Destination Domain Proto
NL 79.142.66.240:80 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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
NL 5.149.248.153:80 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
NL 5.149.248.153:80 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
NL 5.149.248.153:80 tcp
NL 79.142.66.240:80 tcp

Files

memory/2500-4-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2500-6-0x00000000005B0000-0x00000000005B1000-memory.dmp

memory/2500-5-0x00000000005C0000-0x00000000005C1000-memory.dmp

memory/2500-1-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2500-3-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2500-0-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2500-2-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2500-7-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2500-8-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2500-16-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2500-19-0x0000000000400000-0x00000000004D4000-memory.dmp