Analysis
- max time kernel
148s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
24/10/2022, 03:40
General
- Target Request for Quotation.exe
- Size 214KB
- Sample221024-d77htsedbl
- SHA256 0673e3ccaf8f4bc60b304e94d608fb1511d2ea7644c672563b6a81b5c3338c19
Malware Config
Extracted
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formbook
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4.1
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sm28
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encoter.shop
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economicalhearing.com
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composeexpertisefare.makeup
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moffice.online
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mayvar.store
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klean4life.info
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buytamaadoge.digital
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digiwelldata.com
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cngnaturalgas.com
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scibrew.com
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foxyellow.com
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lceqtg.xyz
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ufhrk.site
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35445.top
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reply.express
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ky9347.com
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takfy.com
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77008.top
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rentalsscreeningssetlement.com
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incontrisessuali.space
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 4 IoCs
- Executes dropped EXE 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 WriteProcessMemory 13 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kcmachktc.exe"C:\Users\Admin\AppData\Local\Temp\kcmachktc.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kcmachktc.exe"C:\Users\Admin\AppData\Local\Temp\kcmachktc.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\wscript.exe"C:\Windows\SysWOW64\wscript.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\kcmachktc.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
kcmachktc.exe
kcmachktc.exe
kcmachktc.exe
oyjbvbinag.usk
tkswum.cxz
memory/1468-152-0x0000000000D00000-0x0000000000D2F000-memory.dmp
memory/1468-151-0x0000000002C10000-0x0000000002CA4000-memory.dmp
memory/1468-150-0x0000000002DD0000-0x000000000311A000-memory.dmp
memory/1468-148-0x0000000000D00000-0x0000000000D2F000-memory.dmp
memory/1468-147-0x00000000004F0000-0x0000000000517000-memory.dmp
memory/3080-142-0x0000000007C10000-0x0000000007D69000-memory.dmp
memory/3080-144-0x00000000083F0000-0x0000000008565000-memory.dmp
memory/3080-153-0x0000000008620000-0x0000000008726000-memory.dmp
memory/3080-154-0x0000000008620000-0x0000000008726000-memory.dmp
memory/3444-146-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3444-143-0x0000000002820000-0x0000000002835000-memory.dmp
memory/3444-141-0x00000000009F0000-0x0000000000A05000-memory.dmp
memory/3444-140-0x0000000000A30000-0x0000000000D7A000-memory.dmp
memory/3444-139-0x0000000000400000-0x000000000042F000-memory.dmp