Analysis
- max time kernel
148s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
23/03/2022, 17:23
General
- Target copia_rapida.pdf.exe
- Size 950KB
- Sample220323-vx5d6adhem
- SHA256 39d7f0b102aca1db8c71a3a7af79ece2aa2100dbaf1c20237d75e36271833ef2
Malware Config
Extracted
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xloader
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2.5
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uevb
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red-tee.com
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attention-arnaque.com
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melissaposeyphotography.com
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appgamblers.com
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atlasarchitect.com
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callbribe.com
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expd8group.com
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szlzhang.com
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xuetian8899665.com
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zonjebeir.com
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chicoliftassit.com
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santuariodelplomo.online
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spearyard.com
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deliciasnancy.com
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immovda.net
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vfuhgerguy.store
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tb4.xyz
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buystructured.com
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celebrityinfoarena.com
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viaronsport.com
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 2 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 46 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\copia_rapida.pdf.exe"C:\Users\Admin\AppData\Local\Temp\copia_rapida.pdf.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\copia_rapida.pdf.exe"C:\Users\Admin\AppData\Local\Temp\copia_rapida.pdf.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\NETSTAT.EXE"C:\Windows\SysWOW64\NETSTAT.EXE"2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- 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\copia_rapida.pdf.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1976-146-0x00000000016B0000-0x0000000001740000-memory.dmp
memory/1976-145-0x0000000001360000-0x00000000016AA000-memory.dmp
memory/1976-143-0x00000000009E0000-0x0000000000A09000-memory.dmp
memory/1976-142-0x0000000000AF0000-0x0000000000AFB000-memory.dmp
memory/3044-140-0x00000000080F0000-0x0000000008264000-memory.dmp
memory/3044-147-0x0000000008770000-0x00000000088F2000-memory.dmp
memory/4000-139-0x00000000012C0000-0x00000000012D1000-memory.dmp
memory/4000-138-0x00000000012F0000-0x000000000163A000-memory.dmp
memory/4000-136-0x0000000000400000-0x0000000000429000-memory.dmp
memory/4152-130-0x0000000000510000-0x0000000000602000-memory.dmp
memory/4152-134-0x0000000008BA0000-0x0000000008C3C000-memory.dmp
memory/4152-133-0x0000000004FA0000-0x0000000004FAA000-memory.dmp
memory/4152-132-0x0000000005050000-0x00000000050E2000-memory.dmp
memory/4152-131-0x0000000005600000-0x0000000005BA4000-memory.dmp