Analysis
- max time kernel
148s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
10/05/2022, 04:18
General
- Target IMAGE_0023.exe
- Size 1.8MB
- Sample220510-ewybfshfhp
- SHA256 bea7dde650c823aa2887bc7065abd818c02e573c041ea69c1ea60c43fe1a79df
Malware Config
Extracted
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xloader
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2.6
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oeir
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blueryu.net
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cindyfernanda.com
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eparchys.info
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suzettebrissettcreatives.com
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lifesuccesspros.com
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vasprovider.online
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thedencannabis.info
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superfashionkitty.com
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yhhj66.top
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plfashiongroup.online
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pandemicky.xyz
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glendorahc.com
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2-3xevent.pro
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ig-canlidestek.com
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svavw.online
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cadforcpq.com
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my-happinessgoals.com
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iledulahaut.com
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ycvibecheck.com
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minmarket.online
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Xloader
Xloader is a rebranded version of Formbook malware.
- suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
- suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
- Xloader Payload 3 IoCs
- Adds policy Run key to start application 2 TTPs 2 IoCs
- Executes dropped EXE 1 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 5 IoCs
- Drops file in Program Files directory 1 IoCs
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 8 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 30 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
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C:\Users\Admin\AppData\Local\Temp\IMAGE_0023.exe"C:\Users\Admin\AppData\Local\Temp\IMAGE_0023.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\forfiles.exe"C:\Windows\SysWOW64\forfiles.exe"4⤵
- 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\help.exe"C:\Windows\SysWOW64\help.exe"5⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- 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 del "C:\Windows\SysWOW64\forfiles.exe"6⤵
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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" /V6⤵
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C:\Windows\SysWOW64\cmd.exe/c copy "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V6⤵
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"6⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
DB1
DB1
RegAsm.exe
RegAsm.exe
memory/380-149-0x0000000007850000-0x0000000007989000-memory.dmp
memory/380-146-0x0000000002F60000-0x0000000003084000-memory.dmp
memory/380-156-0x0000000004720000-0x0000000004814000-memory.dmp
memory/1212-145-0x0000000001220000-0x0000000001231000-memory.dmp
memory/1212-148-0x0000000002B70000-0x0000000002B81000-memory.dmp
memory/1212-144-0x0000000000EB0000-0x00000000011FA000-memory.dmp
memory/1212-141-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1212-143-0x0000000000400000-0x000000000042C000-memory.dmp
memory/2800-134-0x00000000065A0000-0x00000000065AA000-memory.dmp
memory/2800-130-0x0000000000AA0000-0x0000000000C6C000-memory.dmp
memory/2800-133-0x0000000006410000-0x00000000064A2000-memory.dmp
memory/2800-135-0x000000000F730000-0x000000000F752000-memory.dmp
memory/2800-132-0x0000000005670000-0x000000000570C000-memory.dmp
memory/2800-131-0x0000000005B80000-0x0000000006124000-memory.dmp
memory/3452-137-0x0000000000400000-0x00000000004F6000-memory.dmp
memory/4024-153-0x0000000001010000-0x000000000103B000-memory.dmp
memory/4024-155-0x0000000001570000-0x0000000001600000-memory.dmp
memory/4024-154-0x0000000001840000-0x0000000001B8A000-memory.dmp
memory/4024-152-0x0000000000850000-0x0000000000857000-memory.dmp