Analysis
- max time kernel
186s - max time network
193s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
02/05/2022, 06:39
General
- Target 96afca76795a349365f562c265220068.exe
- Size 425KB
- Sample220502-hemeeahfdn
- SHA256 032dfad6230e8c5eb84d6225d3766cc849ae5b920fb62b2f24cb33896d94d465
Malware Config
Extracted
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xloader
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2.5
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s2q8
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zenithcrushers.net
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jeffreysfranchise.store
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unavidaparaserfeliz.com
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notvaccinatedjobs.com
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jisakuzushi.com
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demeet.xyz
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immersioneconme.online
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powercable.xyz
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mingwwww.store
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analystaide.com
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ajfotografie.com
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mothersmilktn.com
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judithlisachomes.com
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simplythaliachicago.com
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goetzerehnstiftung.net
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nowsportslive.online
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hallowseason.com
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triple16.com
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grupomalucelli.com
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fdtwr.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 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 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 WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\96afca76795a349365f562c265220068.exe"C:\Users\Admin\AppData\Local\Temp\96afca76795a349365f562c265220068.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\cpjkhm.exeC:\Users\Admin\AppData\Local\Temp\cpjkhm.exe C:\Users\Admin\AppData\Local\Temp\rsrpwoa3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\cpjkhm.exeC:\Users\Admin\AppData\Local\Temp\cpjkhm.exe C:\Users\Admin\AppData\Local\Temp\rsrpwoa4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\autofmt.exe"C:\Windows\SysWOW64\autofmt.exe"2⤵
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C:\Windows\SysWOW64\autofmt.exe"C:\Windows\SysWOW64\autofmt.exe"2⤵
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C:\Windows\SysWOW64\autofmt.exe"C:\Windows\SysWOW64\autofmt.exe"2⤵
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C:\Windows\SysWOW64\autofmt.exe"C:\Windows\SysWOW64\autofmt.exe"2⤵
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C:\Windows\SysWOW64\autofmt.exe"C:\Windows\SysWOW64\autofmt.exe"2⤵
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C:\Windows\SysWOW64\colorcpl.exe"C:\Windows\SysWOW64\colorcpl.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\cpjkhm.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
43tamsc4ul0czb3zcwio
cpjkhm.exe
cpjkhm.exe
cpjkhm.exe
rsrpwoa
memory/384-149-0x0000000002AF0000-0x0000000002B8E000-memory.dmp
memory/384-142-0x0000000002A40000-0x0000000002AEE000-memory.dmp
memory/2172-139-0x0000000000400000-0x000000000042A000-memory.dmp
memory/2172-140-0x0000000000AA0000-0x0000000000DEA000-memory.dmp
memory/2172-141-0x00000000005E0000-0x00000000005F1000-memory.dmp
memory/2172-136-0x0000000000400000-0x000000000042A000-memory.dmp
memory/5076-145-0x0000000000290000-0x00000000002BA000-memory.dmp
memory/5076-144-0x0000000000230000-0x0000000000249000-memory.dmp
memory/5076-147-0x00000000024F0000-0x000000000283A000-memory.dmp
memory/5076-148-0x0000000002250000-0x00000000022E0000-memory.dmp