Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
06/01/2023, 10:03
General
- Target 5afd05897dc47c4585e8e730c60dad37.exe
- Size 433KB
- Sample230106-l3dc7abc9x
- SHA256 83ea7959343eed6e0dd2a3c8ac6ef3ad8229cc01c79f911c2cc634ee57f7e2cf
Malware Config
Extracted
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formbook
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4.1
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vr84
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intouchenergy.co.uk
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lalumalkaliram.com
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hillgreenholidays.co.uk
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fluentliteracy.com
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buildingworkerpower.com
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by23577.com
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gate-ch375019.online
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jayess-decor.com
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larkslife.com
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swsnacks.co.uk
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bigturtletiny.com
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egggge.xyz
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olastore.africa
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lightshowsnewengland.com
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daily-lox.com
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empireoba.com
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91302events.com
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lawrencecountyfirechiefs.com
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abrahamslibrary.com
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cleaner365.online
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 3 IoCs
- Executes dropped EXE 2 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 60 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 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\5afd05897dc47c4585e8e730c60dad37.exe"C:\Users\Admin\AppData\Local\Temp\5afd05897dc47c4585e8e730c60dad37.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tgfljfej.exe"C:\Users\Admin\AppData\Local\Temp\tgfljfej.exe" C:\Users\Admin\AppData\Local\Temp\xjpgadnto.tc3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tgfljfej.exe"C:\Users\Admin\AppData\Local\Temp\tgfljfej.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\SysWOW64\cmd.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\tgfljfej.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tgfljfej.exe
tgfljfej.exe
tgfljfej.exe
wlhwdk.tln
xjpgadnto.tc
memory/2484-142-0x0000000008230000-0x0000000008325000-memory.dmp
memory/2484-151-0x0000000008400000-0x00000000084D7000-memory.dmp
memory/2484-149-0x0000000008400000-0x00000000084D7000-memory.dmp
memory/3124-147-0x0000000001990000-0x0000000001CDA000-memory.dmp
memory/3124-146-0x0000000001020000-0x000000000104F000-memory.dmp
memory/3124-145-0x00000000001F0000-0x000000000024A000-memory.dmp
memory/3124-148-0x0000000001730000-0x00000000017C4000-memory.dmp
memory/3124-150-0x0000000001020000-0x000000000104F000-memory.dmp
memory/4768-141-0x00000000009F0000-0x0000000000A05000-memory.dmp
memory/4768-140-0x0000000000AC0000-0x0000000000E0A000-memory.dmp
memory/4768-139-0x0000000000400000-0x000000000042F000-memory.dmp