Analysis
- max time kernel
151s - max time network
155s - platform
windows10_x64 - resource
win10v20210410 - submitted
31/08/2021, 14:17
General
- Target Swift Copy.exe
- Size 1.9MB
- Sample210831-eq31sbvqce
- SHA256 f1943befafa73351b7dad586f7ff686f2c099a5ebbbdb63bc4f16d67024fb17f
Malware Config
Extracted
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xloader
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2.3
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b0ar
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http://www.poslity.com/b0ar/
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fbadformula.com
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appdios.com
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guyhoquet-immobilier-drancy.com
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pokerwiro.com
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maxwellhospitaljaipur.com
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88n9.com
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bennypc.com
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corcoranconsult.com
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cuidatusaludcuidatucasa.com
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motlakfitnes.com
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laurahurricanerelief.com
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nostacktofullstack.com
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privsec-mail.com
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andalusaihealth.com
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doosanmodelhouse.com
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quickbookaccountingpro.com
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falconrysouk.com
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vnielvmdqxk538.xyz
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asshop.space
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mhscdnv1.club
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 7 IoCs
- Executes dropped EXE 4 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Modifies registry class 2 IoCs
- Suspicious behavior: EnumeratesProcesses 42 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 26 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
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C:\Users\Admin\AppData\Local\Temp\Swift Copy.exe"C:\Users\Admin\AppData\Local\Temp\Swift Copy.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\._cache_Swift Copy.exe"C:\Users\Admin\AppData\Local\Temp\._cache_Swift Copy.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\._cache_Swift Copy.exe"C:\Users\Admin\AppData\Local\Temp\._cache_Swift Copy.exe"4⤵
- Executes dropped EXE
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\._cache_._cache_Swift Copy.exe"C:\Users\Admin\AppData\Local\Temp\._cache_._cache_Swift Copy.exe"5⤵
- Executes dropped EXE
- 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\explorer.exe"C:\Windows\SysWOW64\explorer.exe"6⤵
- 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\._cache_._cache_Swift Copy.exe"7⤵
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C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1428-138-0x0000000000D00000-0x0000000000DAE000-memory.dmp
memory/1428-137-0x0000000000400000-0x00000000004EA000-memory.dmp
memory/1428-131-0x0000000000400000-0x00000000004EA000-memory.dmp
memory/1836-140-0x0000000000FD0000-0x0000000000FE0000-memory.dmp
memory/1836-139-0x0000000001420000-0x0000000001740000-memory.dmp
memory/1836-142-0x0000000001350000-0x0000000001360000-memory.dmp
memory/2372-124-0x0000000005670000-0x0000000005671000-memory.dmp
memory/2372-129-0x00000000063D0000-0x00000000064A3000-memory.dmp
memory/2372-128-0x0000000005530000-0x0000000005531000-memory.dmp
memory/2372-127-0x00000000057B0000-0x00000000057B1000-memory.dmp
memory/2372-126-0x0000000005C10000-0x0000000005C11000-memory.dmp
memory/2372-125-0x0000000005510000-0x0000000005526000-memory.dmp
memory/2372-130-0x0000000008970000-0x0000000008A5E000-memory.dmp
memory/2372-121-0x0000000000BB0000-0x0000000000BB1000-memory.dmp
memory/2492-143-0x0000000007030000-0x0000000007179000-memory.dmp
memory/2492-150-0x00000000075B0000-0x00000000076DF000-memory.dmp
memory/2492-141-0x00000000059F0000-0x0000000005B50000-memory.dmp
memory/2688-146-0x00000000003A0000-0x00000000007DF000-memory.dmp
memory/2688-147-0x0000000002AE0000-0x0000000002B09000-memory.dmp
memory/2688-148-0x0000000004770000-0x0000000004A90000-memory.dmp
memory/2688-149-0x00000000045F0000-0x000000000467F000-memory.dmp
memory/2724-123-0x00000000004D0000-0x000000000057E000-memory.dmp
memory/4080-114-0x00000000005F0000-0x000000000073A000-memory.dmp