Analysis
- max time kernel
146s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
29/08/2024, 14:17
General
- Target c8fda80e652d365bc5ceb4e065c51ee3_JaffaCakes118.exe
- Size 958KB
- Sample240829-rl1p2swcnf
- SHA256 4b8ad4a9d84c014358222a91b7a8d3b7f6b3a5853750d84e1d1e677a5bc9e9ff
Malware Config
Extracted
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formbook
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3.9
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ca
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jphmo.com
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planbmx.com
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jcygtpu.com
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mindpathvideo.net
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napavalleymysore.com
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bitkanji.com
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thecologne.zone
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getreadyherenow6.info
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cybersecfirst.com
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celtflowers.com
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zfk3.net
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thecheapest.review
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1b4tenhell.men
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padaria2irmaos.com
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azimitrdg.com
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oldschoolnate.com
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customhighperformance.com
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classicrockandgems.com
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marvinreynoso.com
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stuffnsit.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Formbook payload 5 IoCs
- Adds policy Run key to start application 2 TTPs 2 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Uses the VBS compiler for execution 1 TTPs
- Suspicious use of SetThreadContext 4 IoCs
- Drops file in Program Files directory 1 IoCs
- 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.
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Modifies registry class 2 IoCs
- Suspicious behavior: EnumeratesProcesses 62 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 11 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\c8fda80e652d365bc5ceb4e065c51ee3_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c8fda80e652d365bc5ceb4e065c51ee3_JaffaCakes118.exe"2⤵
- 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:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\msiexec.exe"C:\Windows\SysWOW64\msiexec.exe"2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- 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:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exe/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V3⤵
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
DB1
53Mlogim.jpeg
53Mlogrg.ini
53Mlogri.ini
53Mlogrv.ini
memory/64-27-0x0000000001100000-0x000000000112A000-memory.dmp
memory/64-23-0x0000000003100000-0x000000000344A000-memory.dmp
memory/64-25-0x0000000002FD0000-0x0000000003063000-memory.dmp
memory/64-22-0x0000000001100000-0x000000000112A000-memory.dmp
memory/64-19-0x0000000000B10000-0x0000000000B22000-memory.dmp
memory/64-21-0x0000000000B10000-0x0000000000B22000-memory.dmp
memory/64-17-0x0000000000B10000-0x0000000000B22000-memory.dmp
memory/1696-3-0x0000000003470000-0x000000000347C000-memory.dmp
memory/1696-2-0x0000000003310000-0x000000000334A000-memory.dmp
memory/1696-5-0x0000000005C20000-0x0000000005CBC000-memory.dmp
memory/1696-1-0x0000000000FC0000-0x000000000107A000-memory.dmp
memory/1696-0-0x000000007441E000-0x000000007441F000-memory.dmp
memory/1696-4-0x0000000005980000-0x00000000059AA000-memory.dmp
memory/2124-12-0x0000000000400000-0x000000000042A000-memory.dmp
memory/2124-9-0x0000000000400000-0x000000000042A000-memory.dmp
memory/3452-24-0x0000000008AD0000-0x0000000008C5D000-memory.dmp
memory/3452-32-0x0000000008280000-0x0000000008352000-memory.dmp
memory/3452-31-0x0000000008280000-0x0000000008352000-memory.dmp
memory/3452-29-0x0000000008280000-0x0000000008352000-memory.dmp
memory/3452-14-0x0000000002DA0000-0x0000000002EE8000-memory.dmp
memory/3452-13-0x0000000008AD0000-0x0000000008C5D000-memory.dmp
memory/3452-10-0x0000000002DA0000-0x0000000002EE8000-memory.dmp