Analysis
- max time kernel
60s - max time network
70s - platform
windows10_x64 - resource
win10v20201028 - submitted
11/01/2021, 18:20
General
- Target 0e6d87f5bd5e0fc8d8ecd6949623ef02.exe
- Size 1.1MB
- Sample210111-rb722rfntx
- SHA256 2fd6b2288864f3a099a32bd923f7b3c67db00c979aa2e46db125e104618e92b7
Malware Config
Extracted
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formbook
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http://www.thesiromiel.com/kgw/
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valentinakasu.com
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soyelmatador.com
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collaborativeprosperity.com
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power8brokers.com
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nexus-ink.com
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manpasandmeatmarket.com
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the-ethical-forums.today
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maryannpark.com
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bikininbodymommy.com
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pxwuo.com
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bigbangmerch.com
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okaysinger.com
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shopcarpe.com
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rainbowhillsswimclub.com
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crifinmarket.com
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ebl-play.net
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forceandsonsequipment.com
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viagraytqwi.com
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latashashop.com
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suffocatinglymundanepodcast.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 2 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs
- Looks for VMWare Tools registry key 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\0e6d87f5bd5e0fc8d8ecd6949623ef02.exe"C:\Users\Admin\AppData\Local\Temp\0e6d87f5bd5e0fc8d8ecd6949623ef02.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\0e6d87f5bd5e0fc8d8ecd6949623ef02.exe"C:\Users\Admin\AppData\Local\Temp\0e6d87f5bd5e0fc8d8ecd6949623ef02.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/828-2-0x0000000073BB0000-0x000000007429E000-memory.dmp
memory/828-3-0x0000000000A00000-0x0000000000A01000-memory.dmp
memory/828-5-0x0000000005360000-0x0000000005361000-memory.dmp
memory/828-6-0x0000000005900000-0x0000000005901000-memory.dmp
memory/828-7-0x00000000054A0000-0x00000000054A1000-memory.dmp
memory/828-8-0x0000000005330000-0x0000000005331000-memory.dmp
memory/828-9-0x0000000005660000-0x0000000005661000-memory.dmp
memory/828-10-0x0000000005600000-0x0000000005612000-memory.dmp
memory/828-11-0x0000000006220000-0x000000000628E000-memory.dmp
memory/828-12-0x0000000006300000-0x0000000006301000-memory.dmp
memory/3364-13-0x0000000000400000-0x000000000042E000-memory.dmp