Analysis
- max time kernel
150s - max time network
148s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
23/12/2021, 12:56
General
- Target 4400820_AL TUWAIJRI.exe
- Size 528KB
- Sample211223-p6cslsafbl
- SHA256 261bc200d0f8ea4598b2f907283268c101b8e8dff6e0604627ba0e98c94d075e
Malware Config
Extracted
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xloader
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2.5
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a6hs
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yousuihz.com
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69819112.com
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thesunnysoulsisters.com
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pawaddictsva.com
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quinten-and-sam.com
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kareemrestaurant.com
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nbkck.com
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coralarray.com
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thedailybeaglenews.com
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vedovomsskrm.quest
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invest-signals.net
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apelsinkaufa.store
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mgav56.xyz
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rsferro.com
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quaythuocquynhchi.xyz
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entrepriseyulove.com
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darbodrum.com
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thehallowmusic.com
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julliancandles.com
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saildemo.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 3 IoCs
- Loads dropped DLL 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.
- Suspicious behavior: EnumeratesProcesses 62 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\4400820_AL TUWAIJRI.exe"C:\Users\Admin\AppData\Local\Temp\4400820_AL TUWAIJRI.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\4400820_AL TUWAIJRI.exe"C:\Users\Admin\AppData\Local\Temp\4400820_AL TUWAIJRI.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\help.exe"C:\Windows\SysWOW64\help.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\4400820_AL TUWAIJRI.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3040-121-0x0000000005410000-0x0000000005596000-memory.dmp
memory/3040-128-0x0000000002E00000-0x0000000002ECE000-memory.dmp
memory/3084-125-0x0000000000E30000-0x0000000001150000-memory.dmp
memory/3084-124-0x0000000000570000-0x0000000000599000-memory.dmp
memory/3084-123-0x0000000001210000-0x0000000001217000-memory.dmp
memory/3084-127-0x0000000000D50000-0x0000000000DE0000-memory.dmp
memory/3452-120-0x0000000000A00000-0x0000000000A11000-memory.dmp
memory/3452-119-0x0000000000A20000-0x0000000000D40000-memory.dmp
memory/3452-116-0x0000000000400000-0x0000000000429000-memory.dmp