Analysis
- max time kernel
150s - max time network
150s - platform
windows10_x64 - resource
win10v20210410 - submitted
27/05/2021, 14:14
General
- Target USU(1).exe
- Size 213KB
- Sample210527-ncmpaht1ps
- SHA256 ebe1f420ea3fcef5b426cf6458d23984e12c4ceb5983571699f60aaa963b159a
Malware Config
Extracted
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xloader
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2.3
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http://www.journalduchb.com/zrmt/
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theremembrances.com
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camelodabeleza.com
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tianmao.space
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resconmediasolutions.net
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digiccybuy.com
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randyledbetterteam.com
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ukjobsearch.info
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mobilityplussouthcleveland.com
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sleepysteeptea.com
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jeanandluc.com
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tutudoc.com
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conformall.com
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caphesachnguyenchat.com
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awardjoy.com
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ingridbuyshouses.com
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design-55.com
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singledadsandcredit.com
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baincot.com
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sdapkute.com
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caboangels.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 2 IoCs
- Loads dropped DLL 2 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 60 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
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C:\Users\Admin\AppData\Local\Temp\USU(1).exe"C:\Users\Admin\AppData\Local\Temp\USU(1).exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\USU(1).exe"C:\Users\Admin\AppData\Local\Temp\USU(1).exe"3⤵
- 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\wlanext.exe"C:\Windows\SysWOW64\wlanext.exe"4⤵
- 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\USU(1).exe"5⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2208-129-0x0000000000890000-0x0000000000920000-memory.dmp
memory/2208-128-0x0000000000A30000-0x0000000000D50000-memory.dmp
memory/2208-127-0x0000000000140000-0x0000000000169000-memory.dmp
memory/2208-126-0x0000000000DA0000-0x0000000000DB7000-memory.dmp
memory/2512-118-0x0000000000400000-0x0000000000429000-memory.dmp
memory/2512-122-0x0000000000A40000-0x0000000000A51000-memory.dmp
memory/2512-119-0x0000000000A80000-0x0000000000DA0000-memory.dmp
memory/2512-120-0x0000000000560000-0x00000000006AA000-memory.dmp
memory/3016-117-0x0000000000520000-0x0000000000522000-memory.dmp
memory/3036-123-0x0000000005F20000-0x0000000005FCC000-memory.dmp
memory/3036-121-0x0000000005B30000-0x0000000005BF8000-memory.dmp
memory/3036-130-0x00000000084B0000-0x000000000861D000-memory.dmp