Analysis
- max time kernel
147s - max time network
147s - platform
windows10_x64 - resource
win10v20201028 - submitted
01/02/2021, 13:48
General
- Target Payment Slip00425.exe
- Size 396KB
- Sample210201-e8x5v67zye
- SHA256 b1bfbde2135326041c2ca0c01f6cd3295d90fbfbfb2be8bf78c659ddd071e853
Malware Config
Extracted
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formbook
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http://www.smallcoloradoweddings.com/kio8/
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greeaircondition.com
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thewilmingtonguide.com
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cbluedotlivewdmall.com
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globalcrime24.com
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heightsplace.com
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ghar.pro
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asosbira.com
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melolandia.com
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velactun.com
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erniesimms.com
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nutbullet.com
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drizzerstr.com
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hnqym888.com
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ghorowaseba.com
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1317efoxchasedrive.info
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stjudetroop623.com
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facestaj.com
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airpromaskaccessories.com
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wolfetailors.com
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56ohdc2016.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 2 IoCs
- Loads dropped DLL 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates system info in registry 2 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 68 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Payment Slip00425.exe"C:\Users\Admin\AppData\Local\Temp\Payment Slip00425.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Payment Slip00425.exe"C:\Users\Admin\AppData\Local\Temp\Payment Slip00425.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\chkdsk.exe"C:\Windows\SysWOW64\chkdsk.exe"2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- 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\Payment Slip00425.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2144-9-0x0000000006270000-0x00000000063AD000-memory.dmp
memory/2144-18-0x0000000002F50000-0x0000000003006000-memory.dmp
memory/3068-13-0x0000000000630000-0x0000000000659000-memory.dmp
memory/3068-12-0x00000000013C0000-0x00000000013CA000-memory.dmp
memory/3068-14-0x0000000000DC0000-0x00000000010E0000-memory.dmp
memory/3068-17-0x0000000000C10000-0x0000000000C9F000-memory.dmp
memory/3432-7-0x0000000000A70000-0x0000000000D90000-memory.dmp
memory/3432-5-0x0000000000400000-0x0000000000429000-memory.dmp
memory/3432-6-0x0000000000630000-0x0000000000640000-memory.dmp