Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
09/04/2022, 08:18
General
- Target Invoice.exe
- Size 840KB
- Sample220409-j69jpaffe5
- SHA256 71da5f67c97d46f0a0a6b6fccb0629690ff520c23e54e6c67b17f35c97cbf09b
Malware Config
Extracted
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xloader
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2.5
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3e9r
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143411.com
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300dh.xyz
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win-chance.info
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essentialsofbeauty.com
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skategrindingwheels.com
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jyqtgg.com
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exodijuis.com
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goodwinpuppies.com
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doitlive.online
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hello-orchid.com
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shangjibbs.com
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innovarecic.com
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fococomunicacaovisuales.com
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completemarine.care
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parodistluxuryroll.com
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anda568.com
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unicorm.digital
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weaveapp.xyz
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artractions.com
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app-ads-network.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 51 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 15 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\Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"2⤵
- Checks computer location settings
- 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\edsSFcWsbwBV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA546.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmpA546.tmp
memory/1220-131-0x0000000004D20000-0x0000000004DBC000-memory.dmp
memory/1220-132-0x0000000005370000-0x0000000005914000-memory.dmp
memory/1220-133-0x0000000004E60000-0x0000000004EF2000-memory.dmp
memory/1220-134-0x0000000004E00000-0x0000000004E0A000-memory.dmp
memory/1220-135-0x0000000004F60000-0x0000000004FB6000-memory.dmp
memory/1220-130-0x00000000002E0000-0x00000000003B8000-memory.dmp
memory/2620-143-0x0000000008E10000-0x0000000008FA7000-memory.dmp
memory/2620-150-0x00000000090C0000-0x00000000091D9000-memory.dmp
memory/3036-147-0x0000000000110000-0x0000000000139000-memory.dmp
memory/3036-146-0x0000000000350000-0x000000000048A000-memory.dmp
memory/3036-148-0x00000000024F0000-0x000000000283A000-memory.dmp
memory/3036-149-0x0000000002290000-0x0000000002320000-memory.dmp
memory/4756-142-0x0000000001090000-0x00000000010A1000-memory.dmp
memory/4756-141-0x0000000001610000-0x000000000195A000-memory.dmp
memory/4756-139-0x0000000000400000-0x0000000000429000-memory.dmp