Analysis
- max time kernel
148s - max time network
149s - platform
windows7_x64 - resource
win7-en-20211014 - submitted
27/10/2021, 06:18
General
- Target Request for Quotation.exe
- Size 505KB
- Sample211027-g2m4saagf5
- SHA256 19bc9a34f4a074428bec1c81bb731aab86b38d877dca82ecae158f9b29d93dbf
Malware Config
Extracted
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xloader
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2.5
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b2c0
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http://www.thesewhitevvalls.com/b2c0/
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bjyxszd520.xyz
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hsvfingerprinting.com
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elliotpioneer.com
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bf396.com
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chinaopedia.com
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6233v.com
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shopeuphoricapparel.com
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loccssol.store
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truefictionpictures.com
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playstarexch.com
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peruviancoffee.store
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shobhajoshi.com
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philme.net
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avito-rules.com
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independencehomecenters.com
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atp-cayenne.com
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invetorsbank.com
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sasanos.com
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scentfreebnb.com
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catfuid.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 3 IoCs
- Deletes itself 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.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 22 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ilghTBnHuu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp96F2.tmp"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\mstsc.exe"C:\Windows\SysWOW64\mstsc.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\Request for Quotation.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1108-76-0x0000000000A50000-0x0000000000AE0000-memory.dmp
memory/1108-74-0x00000000023F0000-0x00000000026F3000-memory.dmp
memory/1108-73-0x0000000000080000-0x00000000000A9000-memory.dmp
memory/1108-72-0x0000000000EE0000-0x0000000000FE4000-memory.dmp
memory/1204-69-0x0000000006040000-0x00000000061AE000-memory.dmp
memory/1204-77-0x0000000002EA0000-0x0000000002F48000-memory.dmp
memory/1504-67-0x0000000000AE0000-0x0000000000DE3000-memory.dmp
memory/1504-64-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1504-68-0x0000000000220000-0x0000000000231000-memory.dmp
memory/1504-63-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1504-62-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1764-55-0x0000000000A50000-0x0000000000A51000-memory.dmp
memory/1764-60-0x0000000000C60000-0x0000000000CAB000-memory.dmp
memory/1764-59-0x0000000000450000-0x0000000000456000-memory.dmp
memory/1764-58-0x0000000004E60000-0x0000000004E61000-memory.dmp
memory/1764-57-0x0000000075AC1000-0x0000000075AC3000-memory.dmp