Analysis
- max time kernel
150s - max time network
150s - platform
windows10_x64 - resource
win10v20201028 - submitted
08/04/2021, 08:51
General
- Target PO4308.exe
- Size 562KB
- Sample210408-wenvtvehea
- SHA256 be104552eacbe49cf13a5097c5856782c1b07531bd2eb2e4db5bcef7edc14b6a
Malware Config
Extracted
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xloader
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2.3
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http://www.013y.com/pnqr/
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bullexch9.com
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hiiidesigns.com
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yosapark-gakuenmae.com
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movementinspires.com
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orlandas.com
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flowga.world
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opende.info
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jiconic.com
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selviclothingco.com
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herbalmedicineresearch.com
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contex33.xyz
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riord.com
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alchemistslibrary.com
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ecalyte.com
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tutu119.com
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61ue00.com
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properwayllc.com
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tamitoe.com
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adacompliantsoftware.com
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deliabe.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 2 IoCs
- Loads dropped DLL 1 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 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\PO4308.exe"C:\Users\Admin\AppData\Local\Temp\PO4308.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\PO4308.exe"C:\Users\Admin\AppData\Local\Temp\PO4308.exe"3⤵
- 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\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\PO4308.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/700-115-0x0000000002630000-0x0000000002648000-memory.dmp
memory/3068-120-0x0000000005AA0000-0x0000000005B88000-memory.dmp
memory/3068-127-0x0000000005BC0000-0x0000000005CC8000-memory.dmp
memory/3524-119-0x0000000000450000-0x0000000000460000-memory.dmp
memory/3524-118-0x00000000009D0000-0x0000000000CF0000-memory.dmp
memory/3524-117-0x0000000000400000-0x0000000000428000-memory.dmp
memory/4008-122-0x0000000000EF0000-0x0000000000F09000-memory.dmp
memory/4008-123-0x0000000000A10000-0x0000000000A38000-memory.dmp
memory/4008-125-0x0000000004B60000-0x0000000004E80000-memory.dmp
memory/4008-126-0x0000000004830000-0x00000000048BF000-memory.dmp