Analysis
- max time kernel
149s - max time network
141s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 06:55
General
- Target Lista de nuevos pedidos.exe
- Size 825KB
- Sample210331-vve22gtwjn
- SHA256 c32dee06d3afee022d74b45536699ed2d6458d39dff35d4830cb9febecdb8143
Malware Config
Extracted
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formbook
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http://www.joomlas123.info/3nop/
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bakecakesandmore.com
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shenglisuoye.com
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chinapopfactory.com
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ynlrhd.com
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liqourforyou.com
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leonqamil.com
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meccafon.com
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online-marketing-strategie.biz
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rbfxi.com
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frseyb.info
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leyu91.com
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hotsmail.today
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beepot.tech
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dunaemmetmobility.com
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sixpenceworkshop.com
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incrediblefavorcoaching.com
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pofo.info
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yanshudaili.com
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yellowbrickwedding.com
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paintpartyblueprint.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
- Formbook Payload 3 IoCs
- Adds policy Run key to start application 2 TTPs 1 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 2 IoCs
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
- Suspicious behavior: EnumeratesProcesses 52 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 8 IoCs
- Suspicious use of WriteProcessMemory 12 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\Lista de nuevos pedidos.exe"C:\Users\Admin\AppData\Local\Temp\Lista de nuevos pedidos.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\internet explorer\ieinstal.exe"C:\Program Files (x86)\internet explorer\ieinstal.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe"2⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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
Loading Replay Monitor...
Downloads
memory/500-19-0x000001C651D80000-0x000001C651EFF000-memory.dmp
memory/500-18-0x00007FF601AA0000-0x00007FF601B33000-memory.dmp
memory/668-14-0x0000000005210000-0x0000000005530000-memory.dmp
memory/668-13-0x0000000001050000-0x000000000107D000-memory.dmp
memory/668-12-0x0000000001170000-0x0000000001183000-memory.dmp
memory/668-15-0x0000000004F70000-0x0000000005003000-memory.dmp
memory/880-2-0x0000000002380000-0x0000000002381000-memory.dmp
memory/2868-16-0x0000000005520000-0x00000000055C8000-memory.dmp
memory/2868-10-0x00000000053E0000-0x0000000005514000-memory.dmp
memory/3836-8-0x0000000004620000-0x0000000004940000-memory.dmp
memory/3836-9-0x0000000001130000-0x0000000001144000-memory.dmp
memory/3836-7-0x0000000010410000-0x000000001043D000-memory.dmp
memory/3836-4-0x0000000000EE0000-0x0000000000EE1000-memory.dmp