Analysis
- max time kernel
152s - max time network
160s - platform
windows10_x64 - resource
win10v20210408 - submitted
31/08/2021, 02:25
General
- Target PAYMENT INSTRUCTIONS COPY.exe
- Size 533KB
- Sample210831-2w5ayfvsax
- SHA256 65a1476fde2b2c018f8eaa5e96a77156baeb6f35bd46545db8745fa4fe0c4869
Malware Config
Extracted
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xloader
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2.3
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n58i
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http://www.mack3sleeve.com/n58i/
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nl-cafe.com
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votetedjaleta.com
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britrobertsrealtor.com
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globipark.com
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citysucces.com
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verisignwebsite-verified.com
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riddlepc.com
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rosecityclimbing.com
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oleandrinextract.com
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salmankonstruksi.com
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needhamchannel.com
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refreshx2z.com
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youth66.com
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pla-russia.com
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halloweenmaskpro.com
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exdysis.com
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1gcz.com
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lookgoodman.com
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rlxagva.com
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stlcityc.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 3 IoCs
- Blocklisted process makes network request 1 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- 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 12 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\PAYMENT INSTRUCTIONS COPY.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT INSTRUCTIONS COPY.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\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\cmstp.exe"C:\Windows\SysWOW64\cmstp.exe"2⤵
- Blocklisted process makes network request
- 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 Matrix
Replay Monitor
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Downloads
memory/808-121-0x0000000005620000-0x0000000005621000-memory.dmp
memory/808-122-0x0000000005A90000-0x0000000005AF7000-memory.dmp
memory/808-117-0x0000000005220000-0x0000000005221000-memory.dmp
memory/808-118-0x0000000005470000-0x0000000005471000-memory.dmp
memory/808-119-0x0000000005190000-0x00000000051A6000-memory.dmp
memory/808-120-0x0000000005B20000-0x0000000005B21000-memory.dmp
memory/808-123-0x0000000008640000-0x0000000008672000-memory.dmp
memory/808-114-0x00000000006E0000-0x00000000006E1000-memory.dmp
memory/808-116-0x00000000050B0000-0x00000000050B1000-memory.dmp
memory/1084-131-0x0000000000AE0000-0x0000000000AF6000-memory.dmp
memory/1084-133-0x00000000045E0000-0x0000000004900000-memory.dmp
memory/1084-132-0x00000000004C0000-0x00000000004E9000-memory.dmp
memory/1084-134-0x00000000042A0000-0x0000000004330000-memory.dmp
memory/2640-126-0x0000000001980000-0x0000000001CA0000-memory.dmp
memory/2640-127-0x0000000001400000-0x000000000154A000-memory.dmp
memory/2640-124-0x0000000000400000-0x0000000000429000-memory.dmp
memory/3056-128-0x0000000003290000-0x000000000335C000-memory.dmp
memory/3056-135-0x00000000057D0000-0x00000000058A3000-memory.dmp