Malware Analysis Report

2025-08-05 11:53

Sample ID 241015-2tzstswaln
Target 4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118
SHA256 2279e3a12dd54692c3599d976f558148ba1a6ce0ca4058cffcd1d00d31bf2439
Tags
credential_access defense_evasion persistence spyware stealer
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

2279e3a12dd54692c3599d976f558148ba1a6ce0ca4058cffcd1d00d31bf2439

Threat Level: Known bad

The file 4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

credential_access defense_evasion persistence spyware stealer

.NET Reactor proctector

Reads data files stored by FTP clients

Checks computer location settings

Executes dropped EXE

Unsecured Credentials: Credentials In Files

Reads user/profile data of web browsers

Looks up external IP address via web service

Adds Run key to start application

Subvert Trust Controls: Mark-of-the-Web Bypass

Enumerates physical storage devices

Unsigned PE

NTFS ADS

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-15 22:53

Signatures

.NET Reactor proctector

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-15 22:53

Reported

2024-10-15 22:55

Platform

win7-20240708-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118.exe"

Signatures

.NET Reactor proctector

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\fbconnect.exe N/A

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Unsecured Credentials: Credentials In Files

credential_access stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\fbconnect.exe = "C:\\Users\\Admin\\AppData\\Roaming\\fbconnect.exe" C:\Users\Admin\AppData\Roaming\fbconnect.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A whatismyip.com N/A N/A

Subvert Trust Controls: Mark-of-the-Web Bypass

defense_evasion
Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\fbconnect.exe:ZONE.identifier C:\Windows\system32\cmd.exe N/A

Enumerates physical storage devices

NTFS ADS

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\fbconnect.exe:ZONE.identifier C:\Windows\system32\cmd.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\fbconnect.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118.exe"

C:\Windows\system32\cmd.exe

"cmd"

C:\Users\Admin\AppData\Roaming\fbconnect.exe

"C:\Users\Admin\AppData\Roaming\fbconnect.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 whatismyip.com udp
US 104.27.206.92:80 whatismyip.com tcp
US 8.8.8.8:53 www.whatismyip.com udp
US 104.27.206.92:443 www.whatismyip.com tcp
US 104.27.206.92:443 www.whatismyip.com tcp
US 8.8.8.8:53 smtp.gmail.com udp
NL 172.217.218.109:587 smtp.gmail.com tcp

Files

memory/2280-0-0x000007FEF546E000-0x000007FEF546F000-memory.dmp

memory/2280-1-0x000007FEF51B0000-0x000007FEF5B4D000-memory.dmp

memory/2280-2-0x000007FEF51B0000-0x000007FEF5B4D000-memory.dmp

C:\Users\Admin\AppData\Roaming\fbconnect.exe:ZONE.identifier

MD5 130a75a932a2fe57bfea6a65b88da8f6
SHA1 b66d7530d150d45c0a390bb3c2cd4ca4fc404d1c
SHA256 f2b79cae559d6772afc1c2ed9468988178f8b6833d5028a15dea73ce47d0196e
SHA512 6cd147c6f3af95803b7b0898e97ec2ed374c1f56a487b50e3d22003a67cec26a6fa12a3920b1b5624bde156f9601469ae3c7b7354fa8cf37be76c84121767eed

C:\Users\Admin\AppData\Roaming\fbconnect.exe

MD5 4a60a0407f0b836bfcba46581e7b1497
SHA1 9373725022363230a486bde5d2ef4db295fa7f62
SHA256 2279e3a12dd54692c3599d976f558148ba1a6ce0ca4058cffcd1d00d31bf2439
SHA512 445fa53fa83a38a9efca13ac6d0321d52a174d073b170eec931771bb37fade3f0de15db6e74261eab7e5d0cca57150870b168d4bb51177b9d847972b471fd690

memory/2280-9-0x000007FEF546E000-0x000007FEF546F000-memory.dmp

memory/2280-10-0x000007FEF51B0000-0x000007FEF5B4D000-memory.dmp

memory/2260-11-0x000007FEF51B0000-0x000007FEF5B4D000-memory.dmp

memory/2260-12-0x000007FEF51B0000-0x000007FEF5B4D000-memory.dmp

memory/2280-13-0x000007FEF51B0000-0x000007FEF5B4D000-memory.dmp

memory/2260-14-0x000007FEF51B0000-0x000007FEF5B4D000-memory.dmp

memory/2260-15-0x000007FEF51B0000-0x000007FEF5B4D000-memory.dmp

memory/2260-16-0x000007FEF51B0000-0x000007FEF5B4D000-memory.dmp

memory/2280-17-0x000007FEF51B0000-0x000007FEF5B4D000-memory.dmp

memory/2260-18-0x000007FEF51B0000-0x000007FEF5B4D000-memory.dmp

memory/2260-19-0x000007FEF51B0000-0x000007FEF5B4D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-15 22:53

Reported

2024-10-15 22:55

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118.exe"

Signatures

.NET Reactor proctector

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\fbconnect.exe N/A

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Unsecured Credentials: Credentials In Files

credential_access stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fbconnect.exe = "C:\\Users\\Admin\\AppData\\Roaming\\fbconnect.exe" C:\Users\Admin\AppData\Roaming\fbconnect.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A whatismyip.com N/A N/A

Subvert Trust Controls: Mark-of-the-Web Bypass

defense_evasion
Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\fbconnect.exe:ZONE.identifier C:\Windows\SYSTEM32\cmd.exe N/A

Enumerates physical storage devices

NTFS ADS

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\fbconnect.exe:ZONE.identifier C:\Windows\SYSTEM32\cmd.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\fbconnect.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\fbconnect.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118.exe"

C:\Windows\SYSTEM32\cmd.exe

"cmd"

C:\Users\Admin\AppData\Roaming\fbconnect.exe

"C:\Users\Admin\AppData\Roaming\fbconnect.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 whatismyip.com udp
US 104.27.207.92:80 whatismyip.com tcp
US 8.8.8.8:53 www.whatismyip.com udp
US 104.27.207.92:443 www.whatismyip.com tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 92.207.27.104.in-addr.arpa udp
US 8.8.8.8:53 smtp.gmail.com udp
NL 172.217.218.109:587 smtp.gmail.com tcp
US 8.8.8.8:53 109.218.217.172.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/4872-0-0x00007FFB284E5000-0x00007FFB284E6000-memory.dmp

memory/4872-1-0x000000001B1A0000-0x000000001B246000-memory.dmp

memory/4872-2-0x00007FFB28230000-0x00007FFB28BD1000-memory.dmp

memory/4872-3-0x000000001B720000-0x000000001BBEE000-memory.dmp

memory/4872-4-0x00007FFB28230000-0x00007FFB28BD1000-memory.dmp

memory/4872-5-0x000000001BC90000-0x000000001BD2C000-memory.dmp

memory/4872-6-0x000000001C260000-0x000000001C76E000-memory.dmp

memory/4872-7-0x000000001B0D0000-0x000000001B0D8000-memory.dmp

C:\Users\Admin\AppData\Roaming\fbconnect.exe:ZONE.identifier

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

C:\Users\Admin\AppData\Roaming\fbconnect.exe

MD5 4a60a0407f0b836bfcba46581e7b1497
SHA1 9373725022363230a486bde5d2ef4db295fa7f62
SHA256 2279e3a12dd54692c3599d976f558148ba1a6ce0ca4058cffcd1d00d31bf2439
SHA512 445fa53fa83a38a9efca13ac6d0321d52a174d073b170eec931771bb37fade3f0de15db6e74261eab7e5d0cca57150870b168d4bb51177b9d847972b471fd690

memory/4872-14-0x00007FFB284E5000-0x00007FFB284E6000-memory.dmp

memory/4872-15-0x00007FFB28230000-0x00007FFB28BD1000-memory.dmp

memory/1784-16-0x00007FFB28230000-0x00007FFB28BD1000-memory.dmp

memory/1784-17-0x00007FFB28230000-0x00007FFB28BD1000-memory.dmp

memory/1784-18-0x00007FFB28230000-0x00007FFB28BD1000-memory.dmp

memory/4872-19-0x00007FFB28230000-0x00007FFB28BD1000-memory.dmp

memory/1784-20-0x0000000020820000-0x0000000020B2E000-memory.dmp

memory/1784-21-0x00007FFB28230000-0x00007FFB28BD1000-memory.dmp

memory/4872-23-0x00007FFB28230000-0x00007FFB28BD1000-memory.dmp