Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
19/02/2022, 23:48
General
- Target 68521717.exe
- Size 291KB
- Sample220219-3th1raefa9
- SHA256 3cba15742d927df8dacc3b41005dfa1f8e66fbae71135782befd3e55d5aceeae
Malware Config
Extracted
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xloader
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2.5
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uar3
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sgadvocats.com
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mjscannabus.com
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hilldaley.com
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ksdollhouse.com
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hotgiftboutique.com
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purebloodsmeet.com
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relaunched.info
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cap-glove.com
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productcollection.store
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fulikyy.xyz
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remoteaviationjobs.com
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bestcleancrystal.com
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virtualorganizationpartner.com
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bookgocar.com
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hattuafhv.quest
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makonigroup.com
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officecom-myaccount.com
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malgorzata-lac.com
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e-learningeducators.com
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hygilaur.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 2 IoCs
- Executes dropped EXE 2 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Drops file in Windows directory 6 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 62 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 8 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\68521717.exe"C:\Users\Admin\AppData\Local\Temp\68521717.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ieyjyt.exeC:\Users\Admin\AppData\Local\Temp\ieyjyt.exe C:\Users\Admin\AppData\Local\Temp\eixmavz3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ieyjyt.exeC:\Users\Admin\AppData\Local\Temp\ieyjyt.exe C:\Users\Admin\AppData\Local\Temp\eixmavz4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.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\ieyjyt.exe"3⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1176-144-0x0000000002D50000-0x000000000309A000-memory.dmp
memory/1176-142-0x0000000000740000-0x0000000000754000-memory.dmp
memory/1176-145-0x0000000002BB0000-0x0000000002C40000-memory.dmp
memory/1176-143-0x0000000000E90000-0x0000000000EB9000-memory.dmp
memory/1480-135-0x0000000000A70000-0x0000000000A72000-memory.dmp
memory/3044-146-0x00000000080F0000-0x00000000081A8000-memory.dmp
memory/3044-141-0x0000000002B70000-0x0000000002C2E000-memory.dmp
memory/4684-148-0x000001DC210F0000-0x000001DC21100000-memory.dmp
memory/4684-147-0x000001DC209A0000-0x000001DC209B0000-memory.dmp
memory/4684-149-0x000001DC23620000-0x000001DC23624000-memory.dmp
memory/5036-140-0x00000000015D0000-0x00000000015E1000-memory.dmp
memory/5036-138-0x0000000001730000-0x0000000001A7A000-memory.dmp
memory/5036-139-0x000000000041D000-0x000000000041E000-memory.dmp
memory/5036-134-0x0000000000400000-0x0000000000429000-memory.dmp