Analysis
- max time kernel
150s - max time network
148s - platform
windows10_x64 - resource
win10v20210410 - submitted
27/05/2021, 10:18
General
- Target PO_0065-2021.exe
- Size 448KB
- Sample210527-9x6vp894fa
- SHA256 4ab9d09d0ffc49408cb40fe30791e2dbe7d6ea5cec1d44d509c0032b7b0322c5
Malware Config
Extracted
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xloader
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2.3
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http://www.asconstructionin.com/m3rc/
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manonkelley.com
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prosperouspromises.com
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biglebowlski.com
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zhenyash.com
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wayinfinite.com
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vaginalmedicine.com
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garnogroup.com
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6-8-8-8-8.website
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universtal.com
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gillet.pro
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hwrfxkna.com
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unapersonaestabien.com
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organicdiehards.com
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santini7.com
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salt9pepper.com
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ericasorganiclife.com
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vipgifts.online
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mariozumbo.com
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genetikfatura.com
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heypapabear.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 2 IoCs
- Loads dropped DLL 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 62 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 10 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\PO_0065-2021.exe"C:\Users\Admin\AppData\Local\Temp\PO_0065-2021.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\PO_0065-2021.exe"C:\Users\Admin\AppData\Local\Temp\PO_0065-2021.exe"3⤵
- 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\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\cmstp.exe"C:\Windows\SysWOW64\cmstp.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\PO_0065-2021.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/200-125-0x0000000002FC0000-0x0000000002FE8000-memory.dmp
memory/200-127-0x0000000004B30000-0x0000000004BBF000-memory.dmp
memory/200-126-0x0000000004780000-0x0000000004AA0000-memory.dmp
memory/200-124-0x00000000003B0000-0x00000000003C6000-memory.dmp
memory/2116-128-0x00000000057A0000-0x00000000058C3000-memory.dmp
memory/2116-121-0x0000000003010000-0x0000000003108000-memory.dmp
memory/2660-118-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2660-119-0x0000000000990000-0x0000000000CB0000-memory.dmp
memory/2660-120-0x0000000000520000-0x0000000000530000-memory.dmp
memory/3856-117-0x0000000002240000-0x0000000002242000-memory.dmp