Analysis
- max time kernel
150s - max time network
152s - platform
windows10_x64 - resource
win10v200722 - submitted
13/08/2020, 04:36
General
- Target XwFxBxg9AbaxStq.exe
- Size 559KB
- Sample200813-gcl14cj2ca
- SHA256 fa2fea7b2c7e6d02c40890b178133c0c21e6e1182c170c09de4550e85c98e67f
Malware Config
Extracted
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formbook
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http://www.iskovlay.com/r7m/
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tvdaum.com
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slipperylove.com
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sajhadabali.com
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rulgys.men
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sexservidoras.com
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jsatvi.loan
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yakabuna-webshop.com
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texturebarn.net
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allsortofgirls.com
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biologynoopsyche.net
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combsenterprise.com
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handsfreeleveler.com
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napson.com
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gabi.ltd
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dengshijiapu.com
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boerhesi.com
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szbiqiangli.com
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lizoschwald.com
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fintechmundo.com
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kk0799.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 4 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 2 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Drops file in Program Files directory 1 IoCs
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 34 IoCs
- Suspicious behavior: MapViewOfSection 8 IoCs
- Suspicious use of AdjustPrivilegeToken 6 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\XwFxBxg9AbaxStq.exe"C:\Users\Admin\AppData\Local\Temp\XwFxBxg9AbaxStq.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\XwFxBxg9AbaxStq.exe"C:\Users\Admin\AppData\Local\Temp\XwFxBxg9AbaxStq.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\netsh.exe"C:\Windows\SysWOW64\netsh.exe"2⤵
- Adds 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\XwFxBxg9AbaxStq.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/636-7-0x00000000058E0000-0x00000000058E1000-memory.dmp
memory/636-10-0x00000000063E0000-0x0000000006410000-memory.dmp
memory/636-4-0x0000000005B80000-0x0000000005B81000-memory.dmp
memory/636-5-0x0000000005720000-0x0000000005721000-memory.dmp
memory/636-6-0x00000000056A0000-0x00000000056A1000-memory.dmp
memory/636-0-0x0000000073270000-0x000000007395E000-memory.dmp
memory/636-8-0x00000000056C0000-0x00000000056CB000-memory.dmp
memory/636-1-0x0000000000C20000-0x0000000000C21000-memory.dmp
memory/636-9-0x0000000006390000-0x00000000063D5000-memory.dmp
memory/636-3-0x00000000055E0000-0x00000000055E1000-memory.dmp
memory/2132-16-0x0000000000FA0000-0x0000000000FBE000-memory.dmp
memory/2132-17-0x0000000000FA0000-0x0000000000FBE000-memory.dmp
memory/2132-22-0x0000000006BE0000-0x0000000006D2F000-memory.dmp
memory/3040-14-0x0000000000710000-0x0000000000804000-memory.dmp
memory/3332-11-0x0000000000400000-0x000000000042D000-memory.dmp
memory/3568-25-0x00007FF7C6DD0000-0x00007FF7C6E63000-memory.dmp
memory/3568-24-0x00007FF7C6DD0000-0x00007FF7C6E63000-memory.dmp
memory/3568-26-0x00007FF7C6DD0000-0x00007FF7C6E63000-memory.dmp