Malware Analysis Report

2024-10-19 07:12

Sample ID 240504-3wsb7sfg2w
Target 1509c59c2dc65d7233c05c71687eda23_JaffaCakes118
SHA256 0bbcb66d50403c5a9a46f3e3e9dc406f52e55cd3220f4cdfee12fa97a92e8df5
Tags
nanocore evasion keylogger persistence spyware stealer 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

0bbcb66d50403c5a9a46f3e3e9dc406f52e55cd3220f4cdfee12fa97a92e8df5

Threat Level: Known bad

The file 1509c59c2dc65d7233c05c71687eda23_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

nanocore evasion keylogger persistence spyware stealer trojan

Nanocore family

NanoCore

Checks whether UAC is enabled

Adds Run key to start application

Drops file in Program Files directory

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-04 23:52

Signatures

Nanocore family

nanocore

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-04 23:52

Reported

2024-05-04 23:54

Platform

win7-20231129-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Service = "C:\\Program Files (x86)\\TCP Service\\tcpsv.exe" C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\TCP Service\tcpsv.exe C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe N/A
File opened for modification C:\Program Files (x86)\TCP Service\tcpsv.exe C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe N/A

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "TCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp81C.tmp"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "TCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8B9.tmp"

Network

Country Destination Domain Proto
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp

Files

memory/2028-0-0x0000000074721000-0x0000000074722000-memory.dmp

memory/2028-1-0x0000000074720000-0x0000000074CCB000-memory.dmp

memory/2028-2-0x0000000074720000-0x0000000074CCB000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp81C.tmp

MD5 aa61846f35a6b6e84d5ae32bc245e5db
SHA1 a96a4cd6f356480d55617d833954c6a44a7442f5
SHA256 737145dcb465053e945f704f4cdcbe9c265074c76eaedb6a815d4df9f08019b1
SHA512 9620567ac3571787d558db536bfc46217d74881e4a0fa8a75d1bc5e530456552bd13fa7cedd448d97298c4b1914400bb63282aff937bee030dc8da53e1c2d82e

C:\Users\Admin\AppData\Local\Temp\tmp8B9.tmp

MD5 93fc3117767507c9889abd12dc667d22
SHA1 1096e4cfa0c35756e3c3fb866c1e4c1e59115df9
SHA256 684997dd4ce15031cec8f2f93933b1d41d7bf5cbbff655dd64377b07055c449a
SHA512 e403348ee77bd3e7c45245dd5dae81c3ea130d5cf342f630982772ce5f75548b292013480e2831d68cf51349b64afde4589d4eec94b567d20f0a01e3b9549bdc

memory/2028-10-0x0000000074720000-0x0000000074CCB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-04 23:52

Reported

2024-05-04 23:54

Platform

win10v2004-20240419-en

Max time kernel

146s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Service = "C:\\Program Files (x86)\\DDP Service\\ddpsv.exe" C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\DDP Service\ddpsv.exe C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe N/A
File opened for modification C:\Program Files (x86)\DDP Service\ddpsv.exe C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe N/A

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1509c59c2dc65d7233c05c71687eda23_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "DDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3633.tmp"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "DDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3692.tmp"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
TR 185.171.25.28:1616 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 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
US 8.8.8.8:53 31.121.18.2.in-addr.arpa udp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 51.15.97.104.in-addr.arpa udp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp
TR 185.171.25.28:1616 tcp

Files

memory/808-0-0x0000000074702000-0x0000000074703000-memory.dmp

memory/808-1-0x0000000074700000-0x0000000074CB1000-memory.dmp

memory/808-2-0x0000000074700000-0x0000000074CB1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp3633.tmp

MD5 aa61846f35a6b6e84d5ae32bc245e5db
SHA1 a96a4cd6f356480d55617d833954c6a44a7442f5
SHA256 737145dcb465053e945f704f4cdcbe9c265074c76eaedb6a815d4df9f08019b1
SHA512 9620567ac3571787d558db536bfc46217d74881e4a0fa8a75d1bc5e530456552bd13fa7cedd448d97298c4b1914400bb63282aff937bee030dc8da53e1c2d82e

C:\Users\Admin\AppData\Local\Temp\tmp3692.tmp

MD5 93d357e6194c8eb8d0616a9f592cc4bf
SHA1 5cc3a3d95d82cb88f65cb6dc6c188595fa272808
SHA256 a18de0ef2102d2546c7afd07ad1d7a071a0e59aff0868cf3937a145f24feb713
SHA512 4df079387f6a76e0deb96ab4c11f6cffa62a8b42dc4970e885dab10351fade2d9e933663c141b76409657f85f1bf9dbb533d92dce52dc62598aafc4793743f7f

memory/808-10-0x0000000074700000-0x0000000074CB1000-memory.dmp

memory/808-11-0x0000000074702000-0x0000000074703000-memory.dmp

memory/808-12-0x0000000074700000-0x0000000074CB1000-memory.dmp

memory/808-13-0x0000000074700000-0x0000000074CB1000-memory.dmp