Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system - submitted
01/08/2024, 14:13
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe
Resource
win7-20240705-en
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe
Resource
win10v2004-20240730-en
14 signatures
150 seconds
General
- Target 80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe
- Size 693KB
- Sample240801-rjkk2syerc
- SHA256 99a9f37b29dd440c803ea37c57a6acded495d4b49c165f66b3fbe8a427972799
- MD5 80ca7c023f86983b45096df0433a8966
- SHA1 6333e753ee7549a668b7f048646244b4151a802f
- SHA512 f4ff2d80babf175d9e10d63219fd870861eff8787b70e4adf69dd70621774956dacc7853e4acfa82d6fe9ae9bd38db6dd97dc96868b1151d93b5e84034eaccbb
- SSDEEP 12288:RgQv+Ae5eBFlKGQUmhb3O7hTSLeBUU04V2dA+LELf88LO0jW7:OV5zUmh76cZU0E2dSvKP
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
matiex
Credentials
-
Protocol
smtp
-
Host
ebop.website
-
Port
587
-
Username
-
Password
P@ssw0rdP@ssw0rd
Signatures
- Matiex Main payload 1 IoCs
resource yara_rule behavioral2/memory/3112-5-0x0000000000400000-0x0000000000472000-memory.dmp family_matiex - Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3774859476-2260090144-3466365324-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-3774859476-2260090144-3466365324-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-3774859476-2260090144-3466365324-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe - Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 15 checkip.dyndns.org 18 freegeoip.app 19 freegeoip.app - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4336 set thread context of 3112 4336 80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe 87 - System Location Discovery: System Language Discovery 1 TTPs 2 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 80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4336 80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe 4336 80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3112 RegAsm.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4336 wrote to memory of 2328 4336 80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe 86 PID 4336 wrote to memory of 2328 4336 80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe 86 PID 4336 wrote to memory of 2328 4336 80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe 86 PID 4336 wrote to memory of 3112 4336 80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe 87 PID 4336 wrote to memory of 3112 4336 80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe 87 PID 4336 wrote to memory of 3112 4336 80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe 87 PID 4336 wrote to memory of 3112 4336 80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe 87 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3774859476-2260090144-3466365324-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3774859476-2260090144-3466365324-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\80ca7c023f86983b45096df0433a8966_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4336 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:2328
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3112
-