Analysis
-
max time kernel
143s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
12-09-2024 04:08
Static task
static1
Behavioral task
behavioral1
Sample
dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
-
Target
dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe
-
Size
1000KB
-
MD5
dbc8b3569046c9122415431ad4911cec
-
SHA1
acfaa25b229174d2c9189f1c8e38dccc7b5e5ff6
-
SHA256
5357401248b44ed57f3fe12fb604e47a3eba3e99111f7a5fb04b2385c386fb19
-
SHA512
23bd8691ede5ea92b161884d59aa6512f2ac23387b1078a03573b6d08cde01433ed19ccfb5ee67b5f147dbd8c9b6ad028d1d862868dfd3c13300b66d63c7f578
-
SSDEEP
24576:LSW6SIhZbWsv+6szFB8hxeKxgDziC79XNSXdPnd4:L9aMfHDMCnwq
Malware Config
Signatures
-
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
-
Detected Nirsoft tools 18 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/2192-11-0x00000000009F0000-0x0000000000A78000-memory.dmp Nirsoft behavioral2/memory/2192-12-0x0000000000400000-0x000000000051D000-memory.dmp Nirsoft behavioral2/memory/2192-8-0x0000000000400000-0x000000000051D000-memory.dmp Nirsoft behavioral2/memory/2192-10-0x00000000009F0000-0x0000000000A78000-memory.dmp Nirsoft behavioral2/memory/2192-7-0x0000000000400000-0x000000000051D000-memory.dmp Nirsoft behavioral2/memory/2192-24-0x0000000000400000-0x000000000051D000-memory.dmp Nirsoft behavioral2/memory/2192-25-0x0000000000400000-0x000000000051D000-memory.dmp Nirsoft behavioral2/memory/2192-38-0x0000000000400000-0x000000000051D000-memory.dmp Nirsoft behavioral2/memory/2924-48-0x0000000000400000-0x000000000051D000-memory.dmp Nirsoft behavioral2/memory/2924-50-0x0000000000A00000-0x0000000000A88000-memory.dmp Nirsoft behavioral2/memory/2924-61-0x0000000000400000-0x000000000051D000-memory.dmp Nirsoft behavioral2/memory/452-69-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/452-68-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/452-71-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2924-72-0x0000000000400000-0x000000000051D000-memory.dmp Nirsoft behavioral2/memory/4892-74-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4892-75-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/4892-82-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
NirSoft MailPassView 15 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/2192-11-0x00000000009F0000-0x0000000000A78000-memory.dmp MailPassView behavioral2/memory/2192-12-0x0000000000400000-0x000000000051D000-memory.dmp MailPassView behavioral2/memory/2192-8-0x0000000000400000-0x000000000051D000-memory.dmp MailPassView behavioral2/memory/2192-10-0x00000000009F0000-0x0000000000A78000-memory.dmp MailPassView behavioral2/memory/2192-7-0x0000000000400000-0x000000000051D000-memory.dmp MailPassView behavioral2/memory/2192-24-0x0000000000400000-0x000000000051D000-memory.dmp MailPassView behavioral2/memory/2192-25-0x0000000000400000-0x000000000051D000-memory.dmp MailPassView behavioral2/memory/2192-38-0x0000000000400000-0x000000000051D000-memory.dmp MailPassView behavioral2/memory/2924-48-0x0000000000400000-0x000000000051D000-memory.dmp MailPassView behavioral2/memory/2924-50-0x0000000000A00000-0x0000000000A88000-memory.dmp MailPassView behavioral2/memory/2924-61-0x0000000000400000-0x000000000051D000-memory.dmp MailPassView behavioral2/memory/452-69-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/452-68-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/452-71-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/2924-72-0x0000000000400000-0x000000000051D000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 15 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/2192-11-0x00000000009F0000-0x0000000000A78000-memory.dmp WebBrowserPassView behavioral2/memory/2192-12-0x0000000000400000-0x000000000051D000-memory.dmp WebBrowserPassView behavioral2/memory/2192-8-0x0000000000400000-0x000000000051D000-memory.dmp WebBrowserPassView behavioral2/memory/2192-10-0x00000000009F0000-0x0000000000A78000-memory.dmp WebBrowserPassView behavioral2/memory/2192-7-0x0000000000400000-0x000000000051D000-memory.dmp WebBrowserPassView behavioral2/memory/2192-24-0x0000000000400000-0x000000000051D000-memory.dmp WebBrowserPassView behavioral2/memory/2192-25-0x0000000000400000-0x000000000051D000-memory.dmp WebBrowserPassView behavioral2/memory/2192-38-0x0000000000400000-0x000000000051D000-memory.dmp WebBrowserPassView behavioral2/memory/2924-48-0x0000000000400000-0x000000000051D000-memory.dmp WebBrowserPassView behavioral2/memory/2924-50-0x0000000000A00000-0x0000000000A88000-memory.dmp WebBrowserPassView behavioral2/memory/2924-61-0x0000000000400000-0x000000000051D000-memory.dmp WebBrowserPassView behavioral2/memory/2924-72-0x0000000000400000-0x000000000051D000-memory.dmp WebBrowserPassView behavioral2/memory/4892-74-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4892-75-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/4892-82-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 2924 Windows Update.exe -
Executes dropped EXE 2 IoCs
pid Process 2928 Windows Update.exe 2924 Windows Update.exe -
resource yara_rule behavioral2/memory/2192-12-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral2/memory/2192-8-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral2/memory/2192-7-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral2/memory/2192-4-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral2/memory/2192-6-0x0000000000400000-0x000000000051D000-memory.dmp upx behavioral2/memory/2924-48-0x0000000000400000-0x000000000051D000-memory.dmp upx -
Uses the VBS compiler for execution 1 TTPs
-
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" Windows Update.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.
flow ioc 12 whatismyipaddress.com 14 whatismyipaddress.com -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 3884 set thread context of 2192 3884 dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe 84 PID 2928 set thread context of 2924 2928 Windows Update.exe 88 PID 2924 set thread context of 452 2924 Windows Update.exe 93 PID 2924 set thread context of 4892 2924 Windows Update.exe 97 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Windows Update.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Windows Update.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 3884 dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe 3884 dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe 2928 Windows Update.exe 2928 Windows Update.exe 4892 vbc.exe 4892 vbc.exe 2924 Windows Update.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 3884 dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe 2928 Windows Update.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2924 Windows Update.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2924 Windows Update.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 3884 wrote to memory of 2192 3884 dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe 84 PID 3884 wrote to memory of 2192 3884 dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe 84 PID 3884 wrote to memory of 2192 3884 dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe 84 PID 2192 wrote to memory of 2928 2192 dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe 87 PID 2192 wrote to memory of 2928 2192 dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe 87 PID 2192 wrote to memory of 2928 2192 dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe 87 PID 2928 wrote to memory of 2924 2928 Windows Update.exe 88 PID 2928 wrote to memory of 2924 2928 Windows Update.exe 88 PID 2928 wrote to memory of 2924 2928 Windows Update.exe 88 PID 2924 wrote to memory of 452 2924 Windows Update.exe 93 PID 2924 wrote to memory of 452 2924 Windows Update.exe 93 PID 2924 wrote to memory of 452 2924 Windows Update.exe 93 PID 2924 wrote to memory of 452 2924 Windows Update.exe 93 PID 2924 wrote to memory of 452 2924 Windows Update.exe 93 PID 2924 wrote to memory of 452 2924 Windows Update.exe 93 PID 2924 wrote to memory of 452 2924 Windows Update.exe 93 PID 2924 wrote to memory of 452 2924 Windows Update.exe 93 PID 2924 wrote to memory of 452 2924 Windows Update.exe 93 PID 2924 wrote to memory of 4892 2924 Windows Update.exe 97 PID 2924 wrote to memory of 4892 2924 Windows Update.exe 97 PID 2924 wrote to memory of 4892 2924 Windows Update.exe 97 PID 2924 wrote to memory of 4892 2924 Windows Update.exe 97 PID 2924 wrote to memory of 4892 2924 Windows Update.exe 97 PID 2924 wrote to memory of 4892 2924 Windows Update.exe 97 PID 2924 wrote to memory of 4892 2924 Windows Update.exe 97 PID 2924 wrote to memory of 4892 2924 Windows Update.exe 97 PID 2924 wrote to memory of 4892 2924 Windows Update.exe 97
Processes
-
C:\Users\Admin\AppData\Local\Temp\dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3884 -
C:\Users\Admin\AppData\Local\Temp\dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\dbc8b3569046c9122415431ad4911cec_JaffaCakes118.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2192 -
C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2928 -
C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"4⤵
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- 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:2924 -
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"5⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:452
-
-
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"5⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4892
-
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
84B
MD5d4f5c82f0272ba9529e3cea1bfc19042
SHA1b8f36871c454465430a6cc5bb7d90a2eb62a213c
SHA25650113ab5eb6d365a0d82e8c71e4c5c15ae854d66e4bae117ba2e1fa11ecc3e1f
SHA5120f294cf9d0c8c1a7d2eab3121d62619f8d1a03f5b65a00874fb6b81f7c773e33c15e755988d90d3dd0034fae9ed84205d0cc06f24ee9b61ba20e37f947ee7820
-
Filesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
-
Filesize
1000KB
MD5dbc8b3569046c9122415431ad4911cec
SHA1acfaa25b229174d2c9189f1c8e38dccc7b5e5ff6
SHA2565357401248b44ed57f3fe12fb604e47a3eba3e99111f7a5fb04b2385c386fb19
SHA51223bd8691ede5ea92b161884d59aa6512f2ac23387b1078a03573b6d08cde01433ed19ccfb5ee67b5f147dbd8c9b6ad028d1d862868dfd3c13300b66d63c7f578