Analysis
- max time kernel
147s - max time network
148s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
11/02/2022, 18:13
General
- Target db601737341d075854a7a92dcfe2c9f9.exe
- Size 294KB
- Sample220211-wtqx2aefap
- SHA256 76d07b33364445e08dd5306a4e98d34edb6895a8269e9bb5aa9ef80e1cb83b2e
Malware Config
Extracted
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xloader
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2.5
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b80i
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junkremovallawrencevillega.com
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almihdar.com
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libertymarket.net
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daxvip.com
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smartxbusinessnetwork.com
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aanhanger-verhuur.com
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nigerianspecialtyfoods.com
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springeqx.com
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jmwimpactrecovery.com
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teamindus.net
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cannabisconnecticut.net
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50mpt.xyz
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southstarfenceny.com
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allisonwinterdesign.com
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appsforbusiness.pro
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rampi6.com
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dusa.codes
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firstclassrealtynj.com
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curativecarnivore.com
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verzeker.xyz
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
- Xloader Payload 3 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 2 IoCs
- Adds Run key to start application 2 TTPs 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 31 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\db601737341d075854a7a92dcfe2c9f9.exe"C:\Users\Admin\AppData\Local\Temp\db601737341d075854a7a92dcfe2c9f9.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\lzxupx.exeC:\Users\Admin\AppData\Local\Temp\lzxupx.exe C:\Users\Admin\AppData\Local\Temp\mhwrt3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\lzxupx.exeC:\Users\Admin\AppData\Local\Temp\lzxupx.exe C:\Users\Admin\AppData\Local\Temp\mhwrt4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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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
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/556-71-0x0000000000D30000-0x0000000000D56000-memory.dmp
memory/556-74-0x0000000000A80000-0x0000000000B10000-memory.dmp
memory/556-73-0x0000000002160000-0x0000000002463000-memory.dmp
memory/556-72-0x0000000000070000-0x0000000000099000-memory.dmp
memory/1384-75-0x0000000009140000-0x00000000092B3000-memory.dmp
memory/1384-70-0x0000000006E40000-0x0000000006F7E000-memory.dmp
memory/1628-55-0x0000000075801000-0x0000000075803000-memory.dmp
memory/2040-63-0x0000000000400000-0x0000000000429000-memory.dmp
memory/2040-69-0x0000000000190000-0x00000000001A1000-memory.dmp
memory/2040-67-0x0000000000850000-0x0000000000B53000-memory.dmp
memory/2040-68-0x000000000041D000-0x000000000041E000-memory.dmp
memory/2040-66-0x0000000000400000-0x0000000000429000-memory.dmp