Analysis
- max time kernel
125s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
26/09/2024, 19:01
General
- Target f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe
- Size 579KB
- Sample240926-xppd3swbng
- SHA256 f9bf4cfd9b01450f92f9b0e1e329fdf4b31b234f60607b626a258aa6cbf40782
Malware Config
Extracted
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matiex
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Protocol
smtp
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Host
smtp.porkbun.com
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Port
587
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Username
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Password
godisable147
Signatures
- Matiex
Matiex is a keylogger and infostealer first seen in July 2020.
- Matiex Main payload 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- 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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
- Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- 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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- NTFS ADS 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 23 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\svhost.exe"C:\Users\Admin\AppData\Local\Temp\svhost.exe"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/f9061b35c7ed637323aac46c5d15d002_JaffaCakes118.exe" "%temp%\FolderN\name.exe" /Y2⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%temp%\FolderN\name.exe.lnk" /f2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exereg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe.lnk" /f3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\FolderN\name.exe:Zone.Identifier2⤵
- Subvert Trust Controls: Mark-of-the-Web Bypass
- System Location Discovery: System Language Discovery
- NTFS ADS
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1040,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=4004 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
name.exe
svhost.exe
tmp.exe
memory/1808-26-0x0000000074A2E000-0x0000000074A2F000-memory.dmp
memory/1808-4-0x00000000051D0000-0x0000000005262000-memory.dmp
memory/1808-0-0x0000000074A2E000-0x0000000074A2F000-memory.dmp
memory/1808-40-0x0000000074A20000-0x00000000751D0000-memory.dmp
memory/1808-3-0x00000000058A0000-0x0000000005E44000-memory.dmp
memory/1808-37-0x0000000074A20000-0x00000000751D0000-memory.dmp
memory/1808-2-0x0000000005020000-0x00000000050BC000-memory.dmp
memory/1808-24-0x0000000074A20000-0x00000000751D0000-memory.dmp
memory/1808-1-0x0000000000640000-0x00000000006D6000-memory.dmp
memory/2128-18-0x0000000074A20000-0x00000000751D0000-memory.dmp
memory/2128-27-0x0000000074A20000-0x00000000751D0000-memory.dmp
memory/2128-34-0x00000000067B0000-0x0000000006972000-memory.dmp
memory/2128-35-0x0000000006670000-0x000000000667A000-memory.dmp
memory/2128-36-0x0000000074A20000-0x00000000751D0000-memory.dmp
memory/2128-19-0x0000000004F10000-0x0000000004F76000-memory.dmp
memory/2128-17-0x0000000000520000-0x0000000000590000-memory.dmp
memory/2812-28-0x0000000074A20000-0x00000000751D0000-memory.dmp
memory/2812-25-0x0000000074A20000-0x00000000751D0000-memory.dmp
memory/2812-38-0x0000000074A20000-0x00000000751D0000-memory.dmp