Analysis
- max time kernel
147s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
24/01/2023, 14:01
General
- Target QUOTES~0.EXE.exe
- Size 399KB
- Sample230124-rbjnsaca82
- SHA256 4873abac800f1c2594fdf8802b84ecfbdb7e704c0d46ff5edf66f46ec7a692e7
Malware Config
Extracted
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formbook
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4.1
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rs11
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brigtsidefinancial.com
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kotteri-mannish.com
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black-iron-fences-bros.com
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fnixo.com
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gondes.net
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cutleryknives-store.com
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cabledahmercadillacvip.com
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redstaing.com
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cateri.africa
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cgadminservices.com
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wilwin.net
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moteru40.net
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floraandfate.com
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aram-eyes.com
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bcrazy55.com
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courierpay.buzz
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discovervielven.com
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mymansshirt.com
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junglesmp.online
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classic-workshop.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 3 IoCs
- Executes dropped EXE 2 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 3 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.
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 58 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 8 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\QUOTES~0.EXE.exe"C:\Users\Admin\AppData\Local\Temp\QUOTES~0.EXE.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\mgcht.exe"C:\Users\Admin\AppData\Local\Temp\mgcht.exe" C:\Users\Admin\AppData\Local\Temp\ucusv.t3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\mgcht.exe"C:\Users\Admin\AppData\Local\Temp\mgcht.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\ipconfig.exe"C:\Windows\SysWOW64\ipconfig.exe"2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V3⤵
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
DB1
mgcht.exe
mgcht.exe
mgcht.exe
ucusv.t
wckmke.j
967logim.jpeg
967logrf.ini
967logrg.ini
967logri.ini
967logrv.ini
memory/220-144-0x0000000000E60000-0x0000000000E6B000-memory.dmp
memory/220-145-0x0000000000400000-0x000000000042F000-memory.dmp
memory/220-146-0x0000000000E70000-0x00000000011BA000-memory.dmp
memory/220-149-0x0000000000980000-0x0000000000A13000-memory.dmp
memory/220-151-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2072-141-0x00000000009F0000-0x0000000000A04000-memory.dmp
memory/2072-139-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2072-140-0x0000000000A40000-0x0000000000D8A000-memory.dmp
memory/2648-142-0x00000000030F0000-0x00000000031CC000-memory.dmp
memory/2648-152-0x00000000086B0000-0x00000000087DE000-memory.dmp
memory/2648-150-0x00000000086B0000-0x00000000087DE000-memory.dmp