Analysis
- max time kernel
149s - max time network
151s - platform
windows7_x64 - resource
win7-20220331-en - submitted
05/04/2022, 13:23
General
- Target 17dff4dec1eeac82d1b7e96d284c2c50.exe
- Size 239KB
- Sample220405-qmt38abdbq
- SHA256 5cef577cfd13f14d2c7468515dcd2da6bdbcbfe9e6778bf2dbf4ee212f273372
Malware Config
Extracted
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xloader
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2.5
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ud5f
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qy818.store
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my-paypal.online
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smartlegalandidprotection.com
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powellpromo.com
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versatilegems.com
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engelskapiste.com
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thelocksmithexpo.com
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aixiaoka.top
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induququyui.com
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cheyannejewels.com
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mfkplatinum.info
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albutrusgips.com
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delfinyevent.com
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mgbuilldingmaterials.com
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ozhomefurniture.com
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manifiestoccs.com
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theblackbarnfields.com
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dazzleside.com
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kobaygym.com
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xn--evdenifikirleri-e6c.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
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 3 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 27 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 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\17dff4dec1eeac82d1b7e96d284c2c50.exe"C:\Users\Admin\AppData\Local\Temp\17dff4dec1eeac82d1b7e96d284c2c50.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\jgbrzev.exeC:\Users\Admin\AppData\Local\Temp\jgbrzev.exe C:\Users\Admin\AppData\Local\Temp\lmdwxyk3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\jgbrzev.exeC:\Users\Admin\AppData\Local\Temp\jgbrzev.exe C:\Users\Admin\AppData\Local\Temp\lmdwxyk4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\control.exe"C:\Windows\SysWOW64\control.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\jgbrzev.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
d1tsy786pdfrh39z
jgbrzev.exe
jgbrzev.exe
jgbrzev.exe
lmdwxyk
jgbrzev.exe
jgbrzev.exe
jgbrzev.exe
memory/900-54-0x0000000074E71000-0x0000000074E73000-memory.dmp
memory/1208-64-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1208-68-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1208-69-0x0000000000770000-0x0000000000A73000-memory.dmp
memory/1208-70-0x00000000003D0000-0x00000000003E1000-memory.dmp
memory/1216-71-0x0000000004A80000-0x0000000004B3A000-memory.dmp
memory/1216-79-0x0000000004DF0000-0x0000000004ED3000-memory.dmp
memory/1296-75-0x0000000000D60000-0x0000000000D7F000-memory.dmp
memory/1296-76-0x0000000000080000-0x00000000000A9000-memory.dmp
memory/1296-77-0x0000000002180000-0x0000000002483000-memory.dmp
memory/1296-78-0x00000000002E0000-0x0000000000370000-memory.dmp