Analysis
- max time kernel
59s - max time network
42s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - submitted
14/06/2024, 17:12
General
- Target 3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
- Size 747KB
- Sample240614-vqvldazapd
- SHA256 3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c
Malware Config
Extracted
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404keylogger
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Protocol
smtp
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Host
mail.cheaperdomains.com.au
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Port
25
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Username
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Password
C0mplete
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Email to
Extracted
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formbook
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3.9
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cix
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stephaniperold.com
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sorairo12.com
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palumasteknik.com
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marketing4proptech.com
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iwanttoheargod.com
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structured-waters.com
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sunvalleyvacations.net
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sanketweb.com
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tmasco.com
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d-valentine.com
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engmousavi.com
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lithiumtolashes.com
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texastramper.com
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shoemall.store
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beginningguitarbook.com
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wonderlustnfairytales.com
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bizinabox.store
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kmacg.net
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cashgold4cash.com
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smtpguide.com
Signatures
- 404 Keylogger
Information stealer and keylogger first seen in 2019.
- 404 Keylogger Main Executable 2 IoCs
- 404Keylogger family
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook family
- Formbook payload 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 3 IoCs
- Drops file in Windows directory 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- 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.
- Enumerates system info in registry 2 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 26 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 9 IoCs
- Suspicious use of SetWindowsHookEx 4 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe"C:\Users\Admin\AppData\Local\Temp\3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe"2⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe"C:\Users\Admin\AppData\Local\Temp\3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe"3⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Pinatype\Coseismic.scr"C:\Users\Admin\Pinatype\Coseismic.scr" /S4⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Pinatype\Coseismic.scr"C:\Users\Admin\Pinatype\Coseismic.scr" /S5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\Payment receipt.exe"C:\Users\Admin\Payment receipt.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3756 -s 15045⤵
- Program crash
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C:\Windows\SysWOW64\chkdsk.exe"C:\Windows\SysWOW64\chkdsk.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\Pinatype\Coseismic.scr"3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 3756 -ip 37561⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Payment receipt.exe
Coseismic.scr
win.ini
memory/1656-11-0x00000000029B0000-0x00000000029BA000-memory.dmp
memory/3176-58-0x0000000002130000-0x000000000213A000-memory.dmp
memory/3176-57-0x0000000000400000-0x00000000004BE000-memory.dmp
memory/3176-60-0x0000000000400000-0x00000000004BE000-memory.dmp
memory/3196-4-0x0000000077991000-0x0000000077AB1000-memory.dmp
memory/3196-3-0x0000000002210000-0x000000000221A000-memory.dmp
memory/3448-63-0x0000000004A00000-0x0000000004ADE000-memory.dmp
memory/3756-47-0x0000000000250000-0x000000000026E000-memory.dmp
memory/3756-48-0x00000000051B0000-0x0000000005754000-memory.dmp
memory/3756-49-0x0000000004CA0000-0x0000000004D3C000-memory.dmp
memory/4912-61-0x00000000003E0000-0x00000000003EA000-memory.dmp