Analysis
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max time kernel
148s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
30-08-2024 19:18
Static task
static1
Behavioral task
behavioral1
Sample
cb7e0d4bf541ed65c8dde7f3cbc50859_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
cb7e0d4bf541ed65c8dde7f3cbc50859_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
cb7e0d4bf541ed65c8dde7f3cbc50859_JaffaCakes118.exe
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Size
756KB
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MD5
cb7e0d4bf541ed65c8dde7f3cbc50859
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SHA1
31395bcc1e65b94941043bb67c0ce547b39b502d
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SHA256
5304e6da1ccd4a9dd899b87427d0d2e7bd51aee364cb79bb30774d0eb262b24a
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SHA512
e106105cf4b0138e8337adb73060a4ec3399488881f568f129b29d73bde512721dc46ccb53d3346be59394326160e1a8628708b19a0ebeb7e89aa0f5a597f693
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SSDEEP
12288:gVQtqB5urTIoYWBQk1E+VF9mOx9qVIEcG+4djJSHcHySiNnF:gVQtqBorTlYWBhE+V3mOCCZQ8cHyJnF
Malware Config
Extracted
Protocol: smtp- Host:
smtp.gmail.com - Port:
587 - Username:
[email protected] - Password:
Papathegoat
Signatures
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Detected Nirsoft tools 9 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
Processes:
resource yara_rule behavioral2/files/0x00070000000234cb-9.dat Nirsoft behavioral2/memory/1540-24-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1540-30-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1540-27-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1540-26-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/1904-32-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/1904-34-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/1904-35-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/1904-43-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
NirSoft MailPassView 5 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/files/0x00070000000234cb-9.dat MailPassView behavioral2/memory/1540-24-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/1540-30-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/1540-27-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/1540-26-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 5 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/files/0x00070000000234cb-9.dat WebBrowserPassView behavioral2/memory/1904-32-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1904-34-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1904-35-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/1904-43-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
cb7e0d4bf541ed65c8dde7f3cbc50859_JaffaCakes118.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation cb7e0d4bf541ed65c8dde7f3cbc50859_JaffaCakes118.exe -
Deletes itself 1 IoCs
Processes:
Windows Update.exepid Process 1912 Windows Update.exe -
Executes dropped EXE 1 IoCs
Processes:
Windows Update.exepid Process 1912 Windows Update.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 23 whatismyipaddress.com 21 whatismyipaddress.com -
Suspicious use of SetThreadContext 2 IoCs
Processes:
Windows Update.exedescription pid Process procid_target PID 1912 set thread context of 1540 1912 Windows Update.exe 93 PID 1912 set thread context of 1904 1912 Windows Update.exe 96 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
vbc.exevbc.execb7e0d4bf541ed65c8dde7f3cbc50859_JaffaCakes118.exeWindows Update.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cb7e0d4bf541ed65c8dde7f3cbc50859_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Windows Update.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Windows Update.exevbc.exepid Process 1912 Windows Update.exe 1904 vbc.exe 1904 vbc.exe 1912 Windows Update.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Windows Update.exedescription pid Process Token: SeDebugPrivilege 1912 Windows Update.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Windows Update.exepid Process 1912 Windows Update.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
cb7e0d4bf541ed65c8dde7f3cbc50859_JaffaCakes118.exeWindows Update.exedescription pid Process procid_target PID 3820 wrote to memory of 1912 3820 cb7e0d4bf541ed65c8dde7f3cbc50859_JaffaCakes118.exe 87 PID 3820 wrote to memory of 1912 3820 cb7e0d4bf541ed65c8dde7f3cbc50859_JaffaCakes118.exe 87 PID 3820 wrote to memory of 1912 3820 cb7e0d4bf541ed65c8dde7f3cbc50859_JaffaCakes118.exe 87 PID 1912 wrote to memory of 1540 1912 Windows Update.exe 93 PID 1912 wrote to memory of 1540 1912 Windows Update.exe 93 PID 1912 wrote to memory of 1540 1912 Windows Update.exe 93 PID 1912 wrote to memory of 1540 1912 Windows Update.exe 93 PID 1912 wrote to memory of 1540 1912 Windows Update.exe 93 PID 1912 wrote to memory of 1540 1912 Windows Update.exe 93 PID 1912 wrote to memory of 1540 1912 Windows Update.exe 93 PID 1912 wrote to memory of 1540 1912 Windows Update.exe 93 PID 1912 wrote to memory of 1540 1912 Windows Update.exe 93 PID 1912 wrote to memory of 1904 1912 Windows Update.exe 96 PID 1912 wrote to memory of 1904 1912 Windows Update.exe 96 PID 1912 wrote to memory of 1904 1912 Windows Update.exe 96 PID 1912 wrote to memory of 1904 1912 Windows Update.exe 96 PID 1912 wrote to memory of 1904 1912 Windows Update.exe 96 PID 1912 wrote to memory of 1904 1912 Windows Update.exe 96 PID 1912 wrote to memory of 1904 1912 Windows Update.exe 96 PID 1912 wrote to memory of 1904 1912 Windows Update.exe 96 PID 1912 wrote to memory of 1904 1912 Windows Update.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\cb7e0d4bf541ed65c8dde7f3cbc50859_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cb7e0d4bf541ed65c8dde7f3cbc50859_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3820 -
C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:1540
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1904
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
84B
MD51296e77d9cc7f61796d9181a882b225c
SHA1e4ee27a27327239ee7b0eebb713918f34a417b37
SHA2560ff4d002fe1fecc119cf4e095ded08a51f5f730d02e219989eca7ccb4d03dc2e
SHA512e43161818be87cdf190566cb4c2c092391b2d5cac22c11a5a87b67602b86baeca8a843cdefa669a2ead679c74ecff17c46205aa4ad057db45e172eb899e85e0a
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Filesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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Filesize
756KB
MD5cb7e0d4bf541ed65c8dde7f3cbc50859
SHA131395bcc1e65b94941043bb67c0ce547b39b502d
SHA2565304e6da1ccd4a9dd899b87427d0d2e7bd51aee364cb79bb30774d0eb262b24a
SHA512e106105cf4b0138e8337adb73060a4ec3399488881f568f129b29d73bde512721dc46ccb53d3346be59394326160e1a8628708b19a0ebeb7e89aa0f5a597f693