Analysis
- max time kernel
148s - max time network
150s - platform
windows10_x64 - resource
win10-en-20211104 - submitted
29/11/2021, 14:00
General
- Target triage_dropped_file.exe
- Size 288KB
- Sample211129-razzdafbh8
- SHA256 e29100d2ecddd199e9b4b40d094b36f7a67981393cf3f58cfacabf91e3dd7eed
Malware Config
Extracted
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formbook
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4.1
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j1u6
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http://www.goldenentnefetis.com/j1u6/
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implantesdentalesnetper.com
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mrvalentinsclass.com
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lyonayction.com
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pqrcreators.com
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hawkinstechinc.com
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compassonsale.com
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caiyio.net
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sherellstoneson.com
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metafrenchmaid.com
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meta-valve.com
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sadadpayments.online
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0488026.win
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colombianpunks.com
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firstspinapp.net
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shoppingbydenzio.com
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efteni-medya.site
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clinchmadeeasy.com
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shopfitnista.com
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elephantonthewall.com
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sc-hczl.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 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 58 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\triage_dropped_file.exe"C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmmon32.exe"C:\Windows\SysWOW64\cmmon32.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:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2116-128-0x0000000004B70000-0x0000000004E90000-memory.dmp
memory/2116-126-0x0000000001080000-0x000000000108C000-memory.dmp
memory/2116-127-0x00000000009D0000-0x00000000009FF000-memory.dmp
memory/2116-130-0x0000000004930000-0x00000000049C3000-memory.dmp
memory/2984-124-0x00000000063E0000-0x0000000006573000-memory.dmp
memory/2984-131-0x00000000061E0000-0x0000000006348000-memory.dmp
memory/3220-121-0x0000000000A90000-0x0000000000DB0000-memory.dmp
memory/3220-123-0x00000000009F0000-0x0000000000A04000-memory.dmp
memory/3220-119-0x0000000000400000-0x000000000042F000-memory.dmp