Analysis
- max time kernel
148s - max time network
146s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
30/09/2021, 17:25
General
- Target rocviud123.exe
- Size 254KB
- Sample210930-vy912aaca9
- SHA256 90661f85c7864f95181eceebf32eafd0b4b166aebdfdf5529edfc3a3dd6c0715
Malware Config
Extracted
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formbook
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4.1
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rv9n
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http://www.cjspizza.net/rv9n/
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olivia-grace.show
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zhuwww.com
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keiretsu.xyz
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olidnh.space
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searuleansec.com
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2fastrepair.com
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brooklynmetalroof.com
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scodol.com
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novaprint.pro
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the-loaner.com
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nextroundscap.com
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zbwlggs.com
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internetautodealer.com
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xn--tornrealestate-ekb.com
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yunjiuhuo.com
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skandinaviskakryptobanken.com
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coxivarag.rest
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ophthalmologylab.com
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zzzzgjcdbqnn98.net
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doeful.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 3 IoCs
- Loads dropped DLL 1 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 60 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\rocviud123.exe"C:\Users\Admin\AppData\Local\Temp\rocviud123.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\rocviud123.exe"C:\Users\Admin\AppData\Local\Temp\rocviud123.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\NETSTAT.EXE"C:\Windows\SysWOW64\NETSTAT.EXE"2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- 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\rocviud123.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3060-120-0x0000000002790000-0x0000000002871000-memory.dmp
memory/3060-129-0x0000000004E80000-0x000000000500F000-memory.dmp
memory/3060-122-0x0000000004D30000-0x0000000004E79000-memory.dmp
memory/3564-121-0x0000000000720000-0x0000000000734000-memory.dmp
memory/3564-119-0x00000000006E0000-0x00000000006F4000-memory.dmp
memory/3564-118-0x00000000009F0000-0x0000000000D10000-memory.dmp
memory/3564-116-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4164-125-0x0000000002E60000-0x0000000002E8F000-memory.dmp
memory/4164-124-0x0000000000B70000-0x0000000000B7B000-memory.dmp
memory/4164-126-0x0000000002F40000-0x000000000308A000-memory.dmp
memory/4164-128-0x0000000003430000-0x00000000034C3000-memory.dmp