Analysis
- max time kernel
154s - max time network
155s - platform
windows10_x64 - resource
win10-en - submitted
02/09/2021, 13:56
General
- Target Invoice BL Packing List.exe
- Size 789KB
- Sample210902-q8pevsdbdr
- SHA256 977576652c35a9f68bd5e609bc4628b521ee75dfa0b0d9d82deb6de35ad0d080
Malware Config
Extracted
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xloader
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2.3
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bmg0
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http://www.bestpivotpoints.com/bmg0/
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upholsterybelle.com
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griddlpress.com
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easymove.limited
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bridgingthewordintlministry.net
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webgezgini.com
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losangeles-divorce-lawyer.com
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kos-living.com
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arcadems.com
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tuccijbeats.com
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thecgchurch.com
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dtkh58.com
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stevieknows.com
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perebet299.com
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honeyandolivephotography.com
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wujuenong.net
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automobiliatint.com
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festaki.com
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injectionhub.com
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lovekemah.com
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bellantoniformazione.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 44 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 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 BL Packing List.exe"C:\Users\Admin\AppData\Local\Temp\Invoice BL Packing List.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\kOlstkDbrx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA3E7.tmp"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Invoice BL Packing List.exe"C:\Users\Admin\AppData\Local\Temp\Invoice BL Packing List.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\colorcpl.exe"C:\Windows\SysWOW64\colorcpl.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\Invoice BL Packing List.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2600-128-0x00000000042D0000-0x0000000004360000-memory.dmp
memory/2600-127-0x00000000044A0000-0x00000000047C0000-memory.dmp
memory/2600-125-0x00000000009A0000-0x00000000009B9000-memory.dmp
memory/2600-126-0x0000000000440000-0x0000000000469000-memory.dmp
memory/3056-129-0x00000000069E0000-0x0000000006B3A000-memory.dmp
memory/3056-122-0x00000000067E0000-0x000000000693C000-memory.dmp
memory/3904-118-0x0000000000400000-0x0000000000429000-memory.dmp
memory/3904-121-0x00000000013C0000-0x000000000150A000-memory.dmp
memory/3904-120-0x0000000001940000-0x0000000001C60000-memory.dmp
memory/4020-115-0x0000000002F80000-0x0000000002F81000-memory.dmp
memory/4020-116-0x0000000002F81000-0x0000000002F82000-memory.dmp