Malware Analysis Report

2024-10-19 07:12

Sample ID 240429-w8etbahh7s
Target 085835acd102be8ae20f06e3bcd1c286_JaffaCakes118
SHA256 dfaef1fc73070ec9c9c82054c45852aed5bd3cbf3d05b1e5dc3e0da7d9c8bf60
Tags
nanocore keylogger spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

dfaef1fc73070ec9c9c82054c45852aed5bd3cbf3d05b1e5dc3e0da7d9c8bf60

Threat Level: Known bad

The file 085835acd102be8ae20f06e3bcd1c286_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

nanocore keylogger spyware stealer trojan

NanoCore

Checks computer location settings

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-29 18:35

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-29 18:35

Reported

2024-04-29 18:37

Platform

win10v2004-20240419-en

Max time kernel

149s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4104 set thread context of 3924 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

Enumerates physical storage devices

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:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4104 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 4104 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 4104 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 4104 wrote to memory of 3924 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 4104 wrote to memory of 3924 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 4104 wrote to memory of 3924 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 4104 wrote to memory of 3924 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 4104 wrote to memory of 3924 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 4104 wrote to memory of 3924 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 4104 wrote to memory of 3924 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 4104 wrote to memory of 3924 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 3924 wrote to memory of 1404 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\SysWOW64\schtasks.exe
PID 3924 wrote to memory of 1404 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\SysWOW64\schtasks.exe
PID 3924 wrote to memory of 1404 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe"

C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe

C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BKruiAd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3776.tmp"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

"{path}"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "DSL Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3AE1.tmp"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
NL 84.38.133.178:6498 tcp
NL 84.38.133.178:6498 tcp
NL 84.38.133.178:6498 tcp
NL 84.38.133.178:6498 tcp
NL 84.38.133.178:6498 tcp
NL 84.38.133.178:6498 tcp

Files

memory/4104-0-0x0000000075530000-0x0000000075AE1000-memory.dmp

memory/4104-1-0x0000000000D00000-0x0000000000D10000-memory.dmp

memory/4104-2-0x0000000075530000-0x0000000075AE1000-memory.dmp

memory/2800-3-0x0000000000DB0000-0x0000000000DD0000-memory.dmp

memory/2800-4-0x00007FF9382D0000-0x00007FF938C71000-memory.dmp

memory/2800-5-0x00000000010F0000-0x0000000001100000-memory.dmp

memory/2800-7-0x00007FF9382D0000-0x00007FF938C71000-memory.dmp

memory/2800-6-0x000000001A830000-0x000000001AC04000-memory.dmp

memory/2800-8-0x000000001AE50000-0x000000001AF86000-memory.dmp

memory/2800-9-0x00000000010F0000-0x0000000001100000-memory.dmp

memory/4104-10-0x0000000075530000-0x0000000075AE1000-memory.dmp

memory/4104-11-0x0000000000D00000-0x0000000000D10000-memory.dmp

memory/2800-12-0x00007FF9382D0000-0x00007FF938C71000-memory.dmp

memory/2800-13-0x00000000010F0000-0x0000000001100000-memory.dmp

memory/2800-14-0x00000000010F0000-0x0000000001100000-memory.dmp

memory/4104-15-0x0000000000D00000-0x0000000000D10000-memory.dmp

memory/4104-16-0x0000000000D00000-0x0000000000D10000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp3776.tmp

MD5 28a030c7e73df0bc6ae6ab4bd7b588cc
SHA1 708b9cc656cb69a5d50218157e478ba7427671f5
SHA256 7a106127d8ee23947af7a1b4daa25fc2f417f618f265779c6497da9468a41a11
SHA512 d0a26796e720a07c8ea674be61fa32fb6cdfbad0cd4519336ffc18f1dc7c6d63316f5077c802b61401e884a41ba65d4ce2fe7b39e13638b70fa0b4551f71cf0a

memory/3924-20-0x0000000000400000-0x0000000000438000-memory.dmp

memory/3924-22-0x0000000075530000-0x0000000075AE1000-memory.dmp

memory/3924-23-0x0000000001150000-0x0000000001160000-memory.dmp

memory/4104-24-0x0000000075530000-0x0000000075AE1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp3AE1.tmp

MD5 40b11ef601fb28f9b2e69d36857bf2ec
SHA1 b6454020ad2ceed193f4792b77001d0bd741b370
SHA256 c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1
SHA512 e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

memory/3924-29-0x0000000075530000-0x0000000075AE1000-memory.dmp

memory/3924-30-0x0000000001150000-0x0000000001160000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-29 18:35

Reported

2024-04-29 18:37

Platform

win7-20240221-en

Max time kernel

134s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1728 set thread context of 2888 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

Enumerates physical storage devices

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:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1728 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1728 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1728 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1728 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1728 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1728 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1728 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1728 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1728 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1728 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1728 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1728 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1728 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1728 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1728 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 1728 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
PID 2888 wrote to memory of 2236 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\SysWOW64\schtasks.exe
PID 2888 wrote to memory of 2236 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\SysWOW64\schtasks.exe
PID 2888 wrote to memory of 2236 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\SysWOW64\schtasks.exe
PID 2888 wrote to memory of 2236 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\085835acd102be8ae20f06e3bcd1c286_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BKruiAd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9405.tmp"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe

"{path}"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "DDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9AE8.tmp"

Network

Country Destination Domain Proto
NL 84.38.133.178:6498 tcp
NL 84.38.133.178:6498 tcp
NL 84.38.133.178:6498 tcp
NL 84.38.133.178:6498 tcp
NL 84.38.133.178:6498 tcp

Files

memory/1728-0-0x0000000074060000-0x000000007460B000-memory.dmp

memory/1728-1-0x0000000074060000-0x000000007460B000-memory.dmp

memory/1728-2-0x0000000000530000-0x0000000000570000-memory.dmp

memory/1728-3-0x0000000074060000-0x000000007460B000-memory.dmp

memory/1728-4-0x0000000000530000-0x0000000000570000-memory.dmp

memory/1728-5-0x0000000000530000-0x0000000000570000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp9405.tmp

MD5 1706ee0130af070e2f7815db1b00258f
SHA1 b7f990745bb1709a1e65ab9d8708f6f4a852c479
SHA256 b5c3bb13bb12b85878598d7a8fb258f4137029519122abb13a414318ab234c8b
SHA512 bfb74beea8b215df9a872d795395d03535a84d790ffd4059c282923227dd4f9893f0578a295e77f1d022fc0a20c067100499a6d48e96dcbe60439d22a08ce684

memory/2888-9-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2888-19-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2888-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1728-24-0x0000000074060000-0x000000007460B000-memory.dmp

memory/2888-15-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2888-13-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2888-23-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2888-21-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2888-11-0x0000000000400000-0x0000000000438000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp9AE8.tmp

MD5 40b11ef601fb28f9b2e69d36857bf2ec
SHA1 b6454020ad2ceed193f4792b77001d0bd741b370
SHA256 c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1
SHA512 e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5