Analysis
- max time kernel
150s - max time network
149s - platform
windows10_x64 - resource
win10v20210408 - submitted
20/07/2021, 05:43
General
- Target Signed PEARLTECH contract and PO.exe
- Size 949KB
- Sample210720-8ablnmbeh2
- SHA256 084cb2109cff42297ef1b5982900b2022ccc35210cff2231f95acc0aec4e8e36
Malware Config
Extracted
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xloader
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2.3
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http://www.cryptodeposit.info/u8aa/
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quantexchanges.com
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hizliarac.com
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dropsdementanovohamburgo.com
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tcinsurancegroup.net
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byobvendors.com
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arteasba.com
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azrealtorsmastermind.com
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voiceof5aabtv.com
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zoom-bloopers.com
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jxsenmei.com
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interia-poczta.email
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coolgiftbaskets.net
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magetu.info
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weedliberal.com
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drsergiocastilloangiologo.com
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starinsiderau.com
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weightneutralmetflex.com
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youxiandian.com
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liberation.media
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ferrari-news.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 3 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 36 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 12 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\Signed PEARLTECH contract and PO.exe"C:\Users\Admin\AppData\Local\Temp\Signed PEARLTECH contract and PO.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Signed PEARLTECH contract and PO.exe"C:\Users\Admin\AppData\Local\Temp\Signed PEARLTECH contract and PO.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\ipconfig.exe"C:\Windows\SysWOW64\ipconfig.exe"2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- 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\Signed PEARLTECH contract and PO.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/580-127-0x0000000001730000-0x0000000001A50000-memory.dmp
memory/580-128-0x0000000000DF0000-0x0000000000E00000-memory.dmp
memory/580-125-0x0000000000400000-0x0000000000429000-memory.dmp
memory/908-133-0x0000000003240000-0x0000000003269000-memory.dmp
memory/908-135-0x00000000037A0000-0x000000000382F000-memory.dmp
memory/908-134-0x00000000033F0000-0x0000000003710000-memory.dmp
memory/908-132-0x0000000000D30000-0x0000000000D3B000-memory.dmp
memory/2900-129-0x0000000006420000-0x0000000006568000-memory.dmp
memory/2900-136-0x0000000002EA0000-0x0000000002F5B000-memory.dmp
memory/4796-119-0x00000000058C0000-0x00000000058C1000-memory.dmp
memory/4796-118-0x00000000059A0000-0x00000000059A1000-memory.dmp
memory/4796-117-0x0000000005E00000-0x0000000005E01000-memory.dmp
memory/4796-121-0x0000000005B00000-0x0000000005B01000-memory.dmp
memory/4796-114-0x0000000000F10000-0x0000000000F11000-memory.dmp
memory/4796-116-0x00000000057C0000-0x00000000057C1000-memory.dmp
memory/4796-120-0x00000000058A0000-0x00000000058A1000-memory.dmp
memory/4796-124-0x00000000075F0000-0x000000000761B000-memory.dmp
memory/4796-123-0x0000000007580000-0x00000000075EF000-memory.dmp
memory/4796-122-0x0000000005C80000-0x0000000005C9B000-memory.dmp