Analysis
- max time kernel
151s - max time network
149s - platform
windows7_x64 - resource
win7-20220414-en - submitted
29/04/2022, 14:56
General
- Target b1573666c4e30baa2fc068eeaafe3901.exe
- Size 659KB
- Sample220429-sa1fksbbd5
- SHA256 eb26b47f9aa3033edbc2d791075f85fcc7894cd7dc3bbaf31974024b9695a52f
Malware Config
Extracted
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xloader
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2.5
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ocgr
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shiftmedicalstaffing.agency
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muktobangla.xyz
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attmleather.com
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modelahs.com
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clime.email
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yonatec.com
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mftie.com
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doxofcolor.com
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american-atlantic.net
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christineenergy.com
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fjqsdz.com
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nagpurmandarin.com
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hofwimmer.com
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gororidev.com
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china-eros.com
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xn--ekrt15fxyb2t2c.xn--czru2d
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dabsavy.com
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buggy4t.com
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souplant.com
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insurancewineappraisals.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
- Xloader Payload 4 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious behavior: EnumeratesProcesses 27 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 15 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\b1573666c4e30baa2fc068eeaafe3901.exe"C:\Users\Admin\AppData\Local\Temp\b1573666c4e30baa2fc068eeaafe3901.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\raserver.exe"C:\Windows\SysWOW64\raserver.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:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/548-54-0x00000000000B0000-0x0000000000158000-memory.dmp
memory/548-55-0x0000000000390000-0x00000000003A0000-memory.dmp
memory/548-56-0x00000000004B0000-0x00000000004B8000-memory.dmp
memory/952-64-0x0000000000860000-0x0000000000B63000-memory.dmp
memory/952-58-0x0000000000400000-0x0000000000429000-memory.dmp
memory/952-60-0x0000000000400000-0x0000000000429000-memory.dmp
memory/952-63-0x0000000000400000-0x0000000000429000-memory.dmp
memory/952-57-0x0000000000400000-0x0000000000429000-memory.dmp
memory/952-65-0x0000000000190000-0x00000000001A1000-memory.dmp
memory/1212-66-0x0000000004130000-0x0000000004207000-memory.dmp
memory/1212-74-0x0000000005F40000-0x00000000060AA000-memory.dmp
memory/1420-68-0x0000000076181000-0x0000000076183000-memory.dmp
memory/1420-71-0x0000000000080000-0x00000000000A9000-memory.dmp
memory/1420-70-0x00000000002B0000-0x00000000002CC000-memory.dmp
memory/1420-72-0x0000000002000000-0x0000000002303000-memory.dmp
memory/1420-73-0x0000000000560000-0x00000000005F0000-memory.dmp