Analysis
- max time kernel
150s - max time network
163s - platform
windows10_x64 - resource
win10v20210408 - submitted
17/08/2021, 11:24
General
- Target eda2f736aa2185aab69b94d776d884aa.exe
- Size 815KB
- Sample210817-wdfeb2wycs
- SHA256 93f0775c5a5512759f85db7b3d1c4b3ee7049369cd0dcd1d4f778626621bfa0c
Malware Config
Extracted
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xloader
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2.3
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b6cu
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http://www.xn--marketingrevolucin-61b.com/b6cu/
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votreconseilfinancier.com
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wholesaleplay.com
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komfy.store
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hsyunfan.com
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tournamenttips.com
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yourbusine.xyz
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wrg-referrals.com
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harmless-oily.com
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whizdomtowealth.com
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xusmods.com
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cleanerstoday.com
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finopscert.com
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paerexpress.com
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kankb.com
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res-o.info
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balonpantolon.com
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freedownloadbiz.info
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jeffegriffin.com
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gobahis119.com
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ourcalvinsarm.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
- 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 42 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of UnmapMainImage 1 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 AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\eda2f736aa2185aab69b94d776d884aa.exe"C:\Users\Admin\AppData\Local\Temp\eda2f736aa2185aab69b94d776d884aa.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OwRaAhiZFce" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2AE9.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\autofmt.exe"C:\Windows\SysWOW64\autofmt.exe"2⤵
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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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1324-136-0x0000000000D30000-0x0000000000DBF000-memory.dmp
memory/1324-135-0x0000000002FB0000-0x00000000032D0000-memory.dmp
memory/1324-133-0x0000000000800000-0x0000000000829000-memory.dmp
memory/1324-132-0x0000000000FA0000-0x0000000000FA7000-memory.dmp
memory/3000-130-0x0000000006FA0000-0x0000000007126000-memory.dmp
memory/3000-137-0x0000000002D50000-0x0000000002E27000-memory.dmp
memory/3920-128-0x0000000001410000-0x0000000001730000-memory.dmp
memory/3920-126-0x0000000000400000-0x0000000000429000-memory.dmp
memory/3920-129-0x0000000001370000-0x0000000001380000-memory.dmp
memory/3928-123-0x000000000A3A0000-0x000000000A3CA000-memory.dmp
memory/3928-114-0x0000000000DB0000-0x0000000000DB1000-memory.dmp
memory/3928-120-0x0000000005750000-0x0000000005751000-memory.dmp
memory/3928-119-0x00000000031B0000-0x0000000003242000-memory.dmp
memory/3928-118-0x00000000057F0000-0x00000000057F1000-memory.dmp
memory/3928-121-0x00000000059A0000-0x00000000059B1000-memory.dmp
memory/3928-117-0x00000000056A0000-0x00000000056A1000-memory.dmp
memory/3928-116-0x0000000005CF0000-0x0000000005CF1000-memory.dmp
memory/3928-122-0x0000000007CE0000-0x0000000007D78000-memory.dmp