Malware Analysis Report

2024-08-06 14:44

Sample ID 240701-pxxfnascne
Target 1b581868982b9db071c67b20884db1fc_JaffaCakes118
SHA256 3c7c0d1fc71cbdc3615fda9631953133642c4d5742332db548187de39c2d8945
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

3c7c0d1fc71cbdc3615fda9631953133642c4d5742332db548187de39c2d8945

Threat Level: Known bad

The file 1b581868982b9db071c67b20884db1fc_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

nanocore evasion keylogger spyware stealer trojan

NanoCore

Checks whether UAC is enabled

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Scheduled Task/Job
T1053
Scheduled Task
T1053.005
Persistence
TA0003
Scheduled Task/Job
T1053
Scheduled Task
T1053.005
Privilege Escalation
TA0004
Scheduled Task/Job
T1053
Scheduled Task
T1053.005
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

2024-07-01 12:43

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-01 12:43

Reported

2024-07-01 12:45

Platform

win7-20240221-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_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\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1652 set thread context of 2976 N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

persistence execution
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: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1652 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1652 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1652 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1652 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1652 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe
PID 1652 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe
PID 1652 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe
PID 1652 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe
PID 1652 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe
PID 1652 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe
PID 1652 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe
PID 1652 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe
PID 1652 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe
PID 2976 wrote to memory of 1592 N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2976 wrote to memory of 1592 N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2976 wrote to memory of 1592 N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2976 wrote to memory of 1592 N/A C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HoNBSurVPSa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp97EC.tmp"

C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "NAS Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9A1D.tmp"

Network

Country Destination Domain Proto
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp

Files

memory/1652-0-0x00000000743D1000-0x00000000743D2000-memory.dmp

memory/1652-1-0x00000000743D0000-0x000000007497B000-memory.dmp

memory/1652-2-0x00000000743D0000-0x000000007497B000-memory.dmp

memory/1652-3-0x00000000743D0000-0x000000007497B000-memory.dmp

memory/1652-4-0x00000000743D0000-0x000000007497B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp97EC.tmp

MD5 5d1adc0c659da18473b59f141bca9e90
SHA1 5931a14e5191396a33dfaa90d8921d8504a793ef
SHA256 d6fa1dce73734a291e164bf6d009cd11813344e7eb4eb1c6de1f8deb1713b366
SHA512 c6bcc273919d8ea7997983c3c72ec82d306f427762d8334adb63b32266e26faff161ace5bdfe2dfcb2a6f6743610ea9253e3724689403678a9e8dba559a1b0db

memory/2976-10-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2976-21-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2976-20-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2976-22-0x00000000743D0000-0x000000007497B000-memory.dmp

memory/1652-23-0x00000000743D0000-0x000000007497B000-memory.dmp

memory/2976-17-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2976-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2976-14-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2976-13-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2976-12-0x0000000000400000-0x0000000000438000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp9A1D.tmp

MD5 47734c9aa15a7496f3ecdbda330f3fba
SHA1 b0f62a0dfbdc8b2d88a189cd6d3961c2d8cf151f
SHA256 5ee8046fd4a1ec24a07b8e4c34ace402a0ccf9843ec7de23adee87b969d0fcf2
SHA512 bed8ece9da66f1c16b9528aead8e6d2b877c30b5a06d5875939c3be65ac975465f87c93567aff8ca425ca07a7bf7ac2fdcf0e7fb343b28e7f7bd4e82cac17cfb

memory/2976-28-0x00000000743D0000-0x000000007497B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-01 12:43

Reported

2024-07-01 12:45

Platform

win10v2004-20240508-en

Max time kernel

93s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

persistence execution
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

Processes

C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HoNBSurVPSa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCEE4.tmp"

C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD08A.tmp"

Network

Country Destination Domain Proto
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 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa 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 80.90.14.23.in-addr.arpa udp
US 52.111.229.43:443 tcp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.8.8:53 4.4.8.8.in-addr.arpa udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.4.4:53 udochukwu.ddns.net udp
US 8.8.8.8:53 udochukwu.ddns.net udp
US 8.8.8.8:53 89.65.42.20.in-addr.arpa udp

Files

memory/2932-0-0x0000000074732000-0x0000000074733000-memory.dmp

memory/2932-1-0x0000000074730000-0x0000000074CE1000-memory.dmp

memory/2932-2-0x0000000074730000-0x0000000074CE1000-memory.dmp

memory/2932-3-0x0000000074732000-0x0000000074733000-memory.dmp

memory/2932-4-0x0000000074730000-0x0000000074CE1000-memory.dmp

memory/5052-10-0x0000000000400000-0x0000000000438000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\1b581868982b9db071c67b20884db1fc_JaffaCakes118.exe.log

MD5 fdb26b3b547022b45cfaeee57eafd566
SHA1 11c6798b8a59233f404014c5e79b3363cd564b37
SHA256 2707fc7f074413881b7bafca05079327b188db6005709951e7f69d39a2af97c0
SHA512 44d9bb8c0f0b341690d00eda86e15a50f7f29ce9595925c1a2a7e19ad26202d10049a7a97bea278ecb7d429ad555de8edceeffff664d4b06309a9410a09bb700

memory/5052-13-0x0000000074730000-0x0000000074CE1000-memory.dmp

memory/5052-15-0x0000000074730000-0x0000000074CE1000-memory.dmp

memory/5052-14-0x0000000074730000-0x0000000074CE1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpCEE4.tmp

MD5 e6d4618d941bd7f3f4a1f899a89de04a
SHA1 f53576c71bdef176ac2e3eed29474e6893b2256f
SHA256 64ee641c86efa0af41b6da16fd9d709a828ae6b2e1b1c3e8a96d77729b6fee3a
SHA512 7970db849c89bcde3f09b5c95e9c195438c77c77fe731f105f0bba3e7a4e90be4e359bf37d40be7a0fa05171d11cae1d66959d2e12f12dea38bba8bf67b75d04

C:\Users\Admin\AppData\Local\Temp\tmpD08A.tmp

MD5 47734c9aa15a7496f3ecdbda330f3fba
SHA1 b0f62a0dfbdc8b2d88a189cd6d3961c2d8cf151f
SHA256 5ee8046fd4a1ec24a07b8e4c34ace402a0ccf9843ec7de23adee87b969d0fcf2
SHA512 bed8ece9da66f1c16b9528aead8e6d2b877c30b5a06d5875939c3be65ac975465f87c93567aff8ca425ca07a7bf7ac2fdcf0e7fb343b28e7f7bd4e82cac17cfb

memory/5052-20-0x0000000074730000-0x0000000074CE1000-memory.dmp

memory/2932-21-0x0000000074730000-0x0000000074CE1000-memory.dmp

memory/5052-22-0x0000000074730000-0x0000000074CE1000-memory.dmp

memory/5052-23-0x0000000074730000-0x0000000074CE1000-memory.dmp