Analysis
- max time kernel
150s - max time network
151s - platform
windows10_x64 - resource
win10v20210410 - submitted
20/04/2021, 14:39
General
- Target RFQ_R4100131210.pdf.exe
- Size 624KB
- Sample210420-22fhrzedge
- SHA256 414d26c286eeeda12cc3705aa3ed2ae06e901dc09795434e6abe4389f31c1e8e
Malware Config
Extracted
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xloader
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2.3
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http://www.huamxvcyq.icu/aepn/
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noesos.com
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partsus.xyz
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manageordercentersupp.com
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wickedwallart.com
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hike4cash.com
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theviragocircle.com
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followthesharks.com
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paradisevalleywines.com
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unmetrolimpio.com
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eurocarsnj.com
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alvaroeliseo.com
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bfc8.xyz
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oldcourts.com
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bkpef.info
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mammately.com
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agentcharles.com
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wwwmichiganbulb.com
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pensolid.info
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hibiscushealthcare.com
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mwanakbk.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 3 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 25 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\RFQ_R4100131210.pdf.exe"C:\Users\Admin\AppData\Local\Temp\RFQ_R4100131210.pdf.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\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:\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
memory/388-138-0x0000000006490000-0x00000000065CE000-memory.dmp
memory/388-131-0x0000000005FE0000-0x0000000006136000-memory.dmp
memory/584-137-0x0000000003560000-0x00000000035F0000-memory.dmp
memory/584-136-0x00000000031B0000-0x00000000034D0000-memory.dmp
memory/584-133-0x0000000000870000-0x000000000087B000-memory.dmp
memory/584-134-0x0000000003000000-0x0000000003029000-memory.dmp
memory/2260-130-0x00000000012B0000-0x00000000012C1000-memory.dmp
memory/2260-129-0x00000000015E0000-0x0000000001900000-memory.dmp
memory/2260-126-0x0000000000400000-0x0000000000429000-memory.dmp
memory/3904-120-0x0000000005650000-0x0000000005651000-memory.dmp
memory/3904-125-0x00000000013B0000-0x00000000013EE000-memory.dmp
memory/3904-124-0x00000000061F0000-0x0000000006272000-memory.dmp
memory/3904-122-0x0000000005260000-0x00000000052FC000-memory.dmp
memory/3904-123-0x000000007F3F0000-0x000000007F3F1000-memory.dmp
memory/3904-121-0x0000000005860000-0x0000000005869000-memory.dmp
memory/3904-114-0x0000000000A50000-0x0000000000A51000-memory.dmp
memory/3904-119-0x00000000053C0000-0x00000000053C1000-memory.dmp
memory/3904-118-0x0000000005440000-0x0000000005441000-memory.dmp
memory/3904-117-0x00000000058A0000-0x00000000058A1000-memory.dmp
memory/3904-116-0x0000000005300000-0x0000000005301000-memory.dmp