Analysis
- max time kernel
147s - max time network
135s - platform
windows10_x64 - resource
win10 - submitted
12/08/2020, 18:11
General
- Target invoice.exe
- Size 662KB
- Sample200812-8nz68mbch2
- SHA256 b6bba549cf3117215c67958b942340703dbf010048d3fc7ecea2871d1d4618e7
Malware Config
Extracted
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formbook
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http://www.ranges-xx.com/cuzy/
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qytzkd.info
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cotils.com
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globl.photography
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kczyzc.com
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aero-re.com
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k2centrope.com
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gmiecuador.com
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plufacile.com
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hdlivewatchtv.com
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hormongefluester.com
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taarufnikah.com
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extremecoffeemachine.info
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jobnavio.com
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duihuanji.com
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buyspotifystreams.com
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dieteticienneetgourmande.com
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calmcreativebox.com
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eletriking.com
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shenzhu3.com
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bis-en-ligne.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 4 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.
- Suspicious use of SetThreadContext 3 IoCs
- Drops file in Program Files directory 1 IoCs
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 38 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 10 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\invoice.exe"C:\Users\Admin\AppData\Local\Temp\invoice.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\invoice.exe"C:\Users\Admin\AppData\Local\Temp\invoice.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
- 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:\Users\Admin\AppData\Local\Temp\invoice.exe"3⤵
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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⤵
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/972-16-0x0000000005470000-0x0000000005559000-memory.dmp
memory/972-14-0x0000000000DC0000-0x0000000000DD2000-memory.dmp
memory/972-13-0x0000000000DC0000-0x0000000000DD2000-memory.dmp
memory/2452-21-0x00007FF78E720000-0x00007FF78E7B3000-memory.dmp
memory/2452-23-0x00007FF78E720000-0x00007FF78E7B3000-memory.dmp
memory/2452-22-0x00007FF78E720000-0x00007FF78E7B3000-memory.dmp
memory/3892-9-0x0000000008380000-0x00000000083B0000-memory.dmp
memory/3892-7-0x0000000005550000-0x000000000555B000-memory.dmp
memory/3892-0-0x0000000073D70000-0x000000007445E000-memory.dmp
memory/3892-8-0x0000000008330000-0x0000000008375000-memory.dmp
memory/3892-6-0x0000000005280000-0x0000000005281000-memory.dmp
memory/3892-5-0x0000000005370000-0x0000000005371000-memory.dmp
memory/3892-4-0x00000000052D0000-0x00000000052D1000-memory.dmp
memory/3892-3-0x0000000005730000-0x0000000005731000-memory.dmp
memory/3892-1-0x00000000009B0000-0x00000000009B1000-memory.dmp
memory/3956-10-0x0000000000400000-0x000000000042E000-memory.dmp