Malware Analysis Report

2024-08-06 14:50

Sample ID 240614-skt2jswbpd
Target aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118
SHA256 40aae024ca198bbac5bd47b1d852cd742287baec8fd674af2607365ad8394e7b
Tags
nanocore evasion keylogger spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

40aae024ca198bbac5bd47b1d852cd742287baec8fd674af2607365ad8394e7b

Threat Level: Known bad

The file aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

nanocore evasion keylogger spyware stealer trojan

NanoCore

Nanocore family

Checks whether UAC is enabled

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-14 15:11

Signatures

Nanocore family

nanocore

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 15:11

Reported

2024-06-14 15:14

Platform

win7-20231129-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

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\aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp

Files

memory/2968-0-0x0000000074C81000-0x0000000074C82000-memory.dmp

memory/2968-1-0x0000000074C80000-0x000000007522B000-memory.dmp

memory/2968-2-0x0000000074C80000-0x000000007522B000-memory.dmp

memory/2968-4-0x0000000074C80000-0x000000007522B000-memory.dmp

memory/2968-5-0x0000000074C80000-0x000000007522B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 15:11

Reported

2024-06-14 15:14

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

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\aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\aa5a513f1fdc0a8817e6f3af2f6c25c6_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.171:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 171.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 crpasky.sytes.net udp
US 8.8.8.8:53 169.253.116.51.in-addr.arpa udp

Files

memory/4856-0-0x0000000074B02000-0x0000000074B03000-memory.dmp

memory/4856-1-0x0000000074B00000-0x00000000750B1000-memory.dmp

memory/4856-2-0x0000000074B00000-0x00000000750B1000-memory.dmp

memory/4856-4-0x0000000074B00000-0x00000000750B1000-memory.dmp

memory/4856-5-0x0000000074B02000-0x0000000074B03000-memory.dmp

memory/4856-6-0x0000000074B00000-0x00000000750B1000-memory.dmp

memory/4856-7-0x0000000074B00000-0x00000000750B1000-memory.dmp