Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15/10/2024, 22:53
Static task
static1
Behavioral task
behavioral1
Sample
4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118.exe
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Size
114KB
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MD5
4a60a0407f0b836bfcba46581e7b1497
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SHA1
9373725022363230a486bde5d2ef4db295fa7f62
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SHA256
2279e3a12dd54692c3599d976f558148ba1a6ce0ca4058cffcd1d00d31bf2439
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SHA512
445fa53fa83a38a9efca13ac6d0321d52a174d073b170eec931771bb37fade3f0de15db6e74261eab7e5d0cca57150870b168d4bb51177b9d847972b471fd690
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SSDEEP
1536:GxgoGOdBGnY+1P75AzTliRVcwTLNZ/MhHPGbfSGZ+VLL3nNEYmYvwo:0aY307cwFVMRG7SGZ+VP9h
Malware Config
Extracted
Protocol: smtp- Host:
smtp.gmail.com - Port:
587 - Username:
[email protected] - Password:
screamerko
Signatures
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.NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral2/files/0x0007000000023c66-12.dat net_reactor -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 1784 fbconnect.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process 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" fbconnect.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 24 whatismyip.com -
Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs
When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.
description ioc Process File created C:\Users\Admin\AppData\Roaming\fbconnect.exe:ZONE.identifier cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\fbconnect.exe:ZONE.identifier cmd.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1784 fbconnect.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1784 fbconnect.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4872 wrote to memory of 4132 4872 4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118.exe 92 PID 4872 wrote to memory of 4132 4872 4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118.exe 92 PID 4872 wrote to memory of 1784 4872 4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118.exe 94 PID 4872 wrote to memory of 1784 4872 4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\4a60a0407f0b836bfcba46581e7b1497_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Windows\SYSTEM32\cmd.exe"cmd"2⤵
- Subvert Trust Controls: Mark-of-the-Web Bypass
- NTFS ADS
PID:4132
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C:\Users\Admin\AppData\Roaming\fbconnect.exe"C:\Users\Admin\AppData\Roaming\fbconnect.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1784
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
1Subvert Trust Controls
1SIP and Trust Provider Hijacking
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
114KB
MD54a60a0407f0b836bfcba46581e7b1497
SHA19373725022363230a486bde5d2ef4db295fa7f62
SHA2562279e3a12dd54692c3599d976f558148ba1a6ce0ca4058cffcd1d00d31bf2439
SHA512445fa53fa83a38a9efca13ac6d0321d52a174d073b170eec931771bb37fade3f0de15db6e74261eab7e5d0cca57150870b168d4bb51177b9d847972b471fd690