Analysis
- max time kernel
149s - max time network
149s - platform
windows7_x64 - resource
win7v20210408 - submitted
22/04/2021, 06:28
General
- Target TT COPY (39.750,00 USD).exe
- Size 904KB
- Sample210422-c5tkpbawc2
- SHA256 4bed9bf05fbe39e5c647087ae6384aba6aeef1f7cb730df31d87a40abd4bc7fe
Malware Config
Extracted
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xloader
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2.3
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http://www.evrbrite.com/o86d/
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marielivet.com
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shadowlovely.com
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novfarm.com
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genialnetero.com
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nj-yanhua.com
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thaihuay88.com
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iizponja.com
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stark-stg.net
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nueforma.com
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fincheckxu.com
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joycasino-2020.club
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9thwrld.com
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komofood.com
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weekendcost.com
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marczeimet.com
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santequebec.info
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arpinaindustriesllc.com
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soyakmuzayede.com
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trivesse.online
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shonanwakukengyou.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 12 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 22 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\TT COPY (39.750,00 USD).exe"C:\Users\Admin\AppData\Local\Temp\TT COPY (39.750,00 USD).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\SLPveWSSdwLtRv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFDB0.tmp"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\TT COPY (39.750,00 USD).exe"C:\Users\Admin\AppData\Local\Temp\TT COPY (39.750,00 USD).exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\wuapp.exe"C:\Windows\SysWOW64\wuapp.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\TT COPY (39.750,00 USD).exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/344-60-0x00000000021F0000-0x00000000021F1000-memory.dmp
memory/344-61-0x00000000021F1000-0x00000000021F2000-memory.dmp
memory/344-59-0x0000000075211000-0x0000000075213000-memory.dmp
memory/864-72-0x00000000012C0000-0x00000000012CB000-memory.dmp
memory/864-73-0x0000000000090000-0x00000000000B8000-memory.dmp
memory/864-74-0x0000000000A50000-0x0000000000D53000-memory.dmp
memory/864-75-0x0000000000990000-0x0000000000A1F000-memory.dmp
memory/1180-69-0x0000000004DF0000-0x0000000004F58000-memory.dmp
memory/1180-76-0x0000000004970000-0x0000000004AA3000-memory.dmp
memory/1424-64-0x0000000000400000-0x0000000000428000-memory.dmp
memory/1424-67-0x00000000009A0000-0x0000000000CA3000-memory.dmp
memory/1424-68-0x0000000000080000-0x0000000000090000-memory.dmp