Malware Analysis Report

2024-10-19 07:12

Sample ID 240506-gyapaaef25
Target 1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118
SHA256 0220a3ae6cbda6cdc544fc2d115029d570f3ae05b4ec7d8253908bb66ae9c845
Tags
nanocore evasion keylogger spyware stealer trojan upx
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

0220a3ae6cbda6cdc544fc2d115029d570f3ae05b4ec7d8253908bb66ae9c845

Threat Level: Known bad

The file 1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

nanocore evasion keylogger spyware stealer trojan upx

NanoCore

UPX packed file

Checks whether UAC is enabled

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-06 06:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-06 06:12

Reported

2024-05-06 06:14

Platform

win7-20231129-en

Max time kernel

144s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A 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\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
N/A 127.0.0.1:54984 tcp
N/A 127.0.0.1:54984 tcp
N/A 127.0.0.1:54984 tcp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
N/A 127.0.0.1:54984 tcp
N/A 127.0.0.1:54984 tcp
N/A 127.0.0.1:54984 tcp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
N/A 127.0.0.1:54984 tcp
N/A 127.0.0.1:54984 tcp
N/A 127.0.0.1:54984 tcp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
N/A 127.0.0.1:54984 tcp
N/A 127.0.0.1:54984 tcp
N/A 127.0.0.1:54984 tcp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp

Files

memory/2128-0-0x00000000003C0000-0x00000000003C1000-memory.dmp

memory/2128-1-0x00000000006B0000-0x00000000006C2000-memory.dmp

memory/2128-2-0x00000000006B0000-0x00000000006C2000-memory.dmp

memory/2984-7-0x0000000000400000-0x0000000000483000-memory.dmp

memory/2984-8-0x0000000000400000-0x0000000000483000-memory.dmp

memory/2984-12-0x0000000000400000-0x0000000000483000-memory.dmp

memory/2984-11-0x0000000000340000-0x000000000037A000-memory.dmp

memory/2984-10-0x0000000000340000-0x000000000037A000-memory.dmp

memory/2984-9-0x0000000000400000-0x0000000000483000-memory.dmp

memory/2128-5-0x0000000000400000-0x00000000004E9000-memory.dmp

memory/2128-3-0x00000000007A0000-0x00000000007A1000-memory.dmp

memory/2984-4-0x0000000000400000-0x0000000000483000-memory.dmp

memory/2984-23-0x0000000000400000-0x0000000000483000-memory.dmp

memory/2984-24-0x0000000000400000-0x0000000000483000-memory.dmp

memory/2984-25-0x0000000000400000-0x0000000000483000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-06 06:12

Reported

2024-05-06 06:14

Platform

win10v2004-20240419-en

Max time kernel

147s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A 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\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 4.4.8.8.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 69.190.18.2.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
N/A 127.0.0.1:54984 tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
N/A 127.0.0.1:54984 tcp
N/A 127.0.0.1:54984 tcp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 142.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
N/A 127.0.0.1:54984 tcp
N/A 127.0.0.1:54984 tcp
N/A 127.0.0.1:54984 tcp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 51.15.97.104.in-addr.arpa udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
N/A 127.0.0.1:54984 tcp
N/A 127.0.0.1:54984 tcp
N/A 127.0.0.1:54984 tcp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
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
N/A 127.0.0.1:54984 tcp
N/A 127.0.0.1:54984 tcp
N/A 127.0.0.1:54984 tcp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.4.4:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
US 8.8.8.8:53 finlandmc.com udp
N/A 127.0.0.1:54984 tcp
N/A 127.0.0.1:54984 tcp
N/A 127.0.0.1:54984 tcp

Files

memory/716-0-0x0000000002380000-0x0000000002381000-memory.dmp

memory/716-1-0x0000000002540000-0x0000000002552000-memory.dmp

memory/716-3-0x0000000002560000-0x0000000002561000-memory.dmp

memory/1372-7-0x0000000000400000-0x0000000000483000-memory.dmp

memory/1372-9-0x0000000000400000-0x0000000000483000-memory.dmp

memory/1372-11-0x0000000000990000-0x00000000009CA000-memory.dmp

memory/1372-12-0x0000000000400000-0x0000000000483000-memory.dmp

memory/1372-6-0x0000000000400000-0x0000000000483000-memory.dmp

memory/716-8-0x0000000000400000-0x00000000004E9000-memory.dmp

memory/1372-10-0x0000000000990000-0x00000000009CA000-memory.dmp

memory/1372-4-0x0000000000400000-0x0000000000483000-memory.dmp

memory/716-2-0x0000000002540000-0x0000000002552000-memory.dmp

memory/1372-23-0x0000000000400000-0x0000000000483000-memory.dmp