Analysis
- max time kernel
147s - max time network
13s - platform
windows7_x64 - resource
win7v20201028 - submitted
17/12/2020, 08:43
General
- Target SHANDONG.exe
- Size 1.4MB
- Sample201217-gc2he7yfaa
- SHA256 641c0aa7cf4d3a8dd646a8a295e8c3f66ea01eb4bc86547c90b52390ca04c2b9
Malware Config
Extracted
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formbook
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http://www.valiantbranch.com/0wdn/
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inclusivefamilybookshop.com
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hollyjmillsphotography.com
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mojavewellnessaz.com
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cookies-x.info
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trainingkanban.com
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tempoborough.life
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mayalv.com
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mbsgiftstore.com
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vanjele.com
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serieshaha.com
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jlbstructural.com
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topkids.asia
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thejoyofleather.com
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qvujxa.com
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anythinginworld.com
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danielablason.com
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smartphoneloops.com
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thisisauckland.com
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cityelectricals.com
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revati-thenoir.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 3 IoCs
- Deletes itself 1 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- 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 20 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 4 IoCs
- Suspicious use of SendNotifyMessage 4 IoCs
- Suspicious use of WriteProcessMemory 22 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SHANDONG.exe"C:\Users\Admin\AppData\Local\Temp\SHANDONG.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\oyhtaj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDC2C.tmp"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SHANDONG.exe"C:\Users\Admin\AppData\Local\Temp\SHANDONG.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\wuapp.exe"C:\Windows\SysWOW64\wuapp.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\SHANDONG.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/292-3-0x0000000001160000-0x0000000001161000-memory.dmp
memory/292-5-0x0000000000440000-0x0000000000452000-memory.dmp
memory/292-6-0x0000000004FE0000-0x0000000005082000-memory.dmp
memory/292-7-0x00000000009C0000-0x00000000009C8000-memory.dmp
memory/292-9-0x0000000004E40000-0x0000000004EC5000-memory.dmp
memory/292-2-0x00000000748A0000-0x0000000074F8E000-memory.dmp
memory/944-16-0x00000000010E0000-0x00000000010EB000-memory.dmp
memory/944-18-0x0000000004AD0000-0x0000000004C4D000-memory.dmp
memory/1268-14-0x0000000004F80000-0x0000000005084000-memory.dmp
memory/1664-12-0x0000000000400000-0x0000000000429000-memory.dmp