Analysis
- max time kernel
150s - max time network
152s - platform
windows10_x64 - resource
win10v20210410 - submitted
26/08/2021, 23:17
General
- Target Proforma invoiceShipping documents.exe
- Size 1.1MB
- Sample210826-ap898grj1s
- SHA256 c71e73a5006f03bf63ad6099f034a3d19a130a6893979c43318eca2cb6bfd224
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.
- Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 46 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 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 UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Proforma invoiceShipping documents.exe"C:\Users\Admin\AppData\Local\Temp\Proforma invoiceShipping documents.exe"2⤵
- 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\enizmyur" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC401.tmp"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Proforma invoiceShipping documents.exe"C:\Users\Admin\AppData\Local\Temp\Proforma invoiceShipping documents.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\NETSTAT.EXE"C:\Windows\SysWOW64\NETSTAT.EXE"2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- 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\Proforma invoiceShipping documents.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1332-135-0x00000000031C0000-0x000000000324F000-memory.dmp
memory/1332-134-0x0000000000E50000-0x0000000001170000-memory.dmp
memory/1332-131-0x00000000011B0000-0x00000000011BB000-memory.dmp
memory/1332-132-0x00000000005B0000-0x00000000005D9000-memory.dmp
memory/2144-125-0x0000000000400000-0x0000000000429000-memory.dmp
memory/2144-128-0x0000000000E10000-0x0000000000E20000-memory.dmp
memory/2144-127-0x0000000001300000-0x0000000001620000-memory.dmp
memory/2888-136-0x0000000003230000-0x00000000032E4000-memory.dmp
memory/2888-129-0x0000000006890000-0x0000000006A19000-memory.dmp
memory/3176-114-0x0000000000840000-0x0000000000841000-memory.dmp
memory/3176-122-0x0000000009350000-0x00000000093D4000-memory.dmp
memory/3176-121-0x0000000007660000-0x0000000007B5E000-memory.dmp
memory/3176-120-0x000000000ADA0000-0x000000000ADA1000-memory.dmp
memory/3176-119-0x0000000007B10000-0x0000000007B26000-memory.dmp
memory/3176-118-0x0000000007710000-0x0000000007711000-memory.dmp
memory/3176-117-0x0000000007660000-0x0000000007661000-memory.dmp
memory/3176-116-0x0000000007B60000-0x0000000007B61000-memory.dmp
memory/3176-123-0x0000000002C30000-0x0000000002C7F000-memory.dmp