Analysis
- max time kernel
151s - max time network
136s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
07/10/2021, 15:55
General
- Target Untitled attachment 00075.exe
- Size 938KB
- Sample211007-tctlgschbk
- SHA256 a4bf92333fa0839d92c30859f87f08f91f988c35dd30227c2b4fe60e7188a4a2
Malware Config
Extracted
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formbook
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4.1
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n7ak
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http://www.kmresults.com/n7ak/
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modischoolcbse.com
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theneverwinter.com
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rszkjx-vps-hosting.website
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fnihil.com
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1pbet.com
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nnowzscorrez.com
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uaotgvjl.icu
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starmapsqatar.com
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ekisilani.com
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extradeepsheets.com
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jam-nins.com
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buranly.com
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orixentertainment.com
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rawtech.energy
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myol.guru
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utex.club
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jiapie.com
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wowig.store
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wweidlyyl.com
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systaskautomation.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
- Formbook Payload 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Suspicious behavior: EnumeratesProcesses 56 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 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\Untitled attachment 00075.exe"C:\Users\Admin\AppData\Local\Temp\Untitled attachment 00075.exe"2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\DpiScaling.exeC:\Windows\System32\DpiScaling.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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-
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C:\Windows\SysWOW64\wscript.exe"C:\Windows\SysWOW64\wscript.exe"2⤵
- Suspicious use of SetThreadContext
- 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:\Windows\SysWOW64\DpiScaling.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2316-121-0x0000000004F30000-0x0000000005250000-memory.dmp
memory/2316-119-0x0000000072480000-0x00000000724AE000-memory.dmp
memory/2316-118-0x0000000002EB0000-0x0000000002EB1000-memory.dmp
memory/2316-122-0x0000000004B50000-0x0000000004B64000-memory.dmp
memory/2484-116-0x0000000002BE1000-0x0000000002BF5000-memory.dmp
memory/2484-115-0x0000000002260000-0x0000000002261000-memory.dmp
memory/3040-123-0x0000000004E90000-0x0000000005002000-memory.dmp
memory/3040-130-0x0000000005010000-0x0000000005175000-memory.dmp
memory/3404-126-0x00000000013D0000-0x00000000013F7000-memory.dmp
memory/3404-127-0x0000000000FA0000-0x0000000000FCE000-memory.dmp
memory/3404-128-0x0000000004A00000-0x0000000004D20000-memory.dmp
memory/3404-129-0x0000000004DC0000-0x0000000004E53000-memory.dmp