Analysis
- max time kernel
147s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20220721-en - resource tags
- submitted
08/08/2022, 09:38
General
- Target Gkjesdjokhownhmnzenqhirureonvyzjao.exe
- Size 715KB
- Sample220808-ll2pfsbaf9
- SHA256 5fabffc9eb6177ac29a1e51bf2a8bde55ddd97e2f7c86134eb2512b927f1232e
Malware Config
Extracted
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formbook
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4.1
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o2e7
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genvivwink.com
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paramotos.space
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bolsanoir.com
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techblog.asia
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seophreak.com
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agitationt.net
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jenniferlearmontcelebrant.com
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biggsales.space
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barkerprintsolutions.com
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jesuspatriot.com
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clinicaamadeolosmochis.com
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lowbackpaindecoded.com
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mumbaimasjid.com
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masooliflourmillers.com
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incopetent.com
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andresramosweb.com
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betonamubukkyoshinjakai.com
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pukimail.net
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erohlimitcrown.site
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bodogegarden.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
- Formbook payload 4 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 44 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 6 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 AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Gkjesdjokhownhmnzenqhirureonvyzjao.exe"C:\Users\Admin\AppData\Local\Temp\Gkjesdjokhownhmnzenqhirureonvyzjao.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WWAHost.exe"C:\Windows\SysWOW64\WWAHost.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:\Windows\SysWOW64\cmd.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2232-189-0x0000000002E50000-0x0000000002F37000-memory.dmp
memory/2232-199-0x0000000002F40000-0x0000000002FFE000-memory.dmp
memory/2232-197-0x0000000002F40000-0x0000000002FFE000-memory.dmp
memory/2944-191-0x0000000050410000-0x000000005043F000-memory.dmp
memory/2944-188-0x0000000000A30000-0x0000000000A44000-memory.dmp
memory/2944-187-0x0000000000FF0000-0x000000000133A000-memory.dmp
memory/4388-147-0x0000000050410000-0x000000005043F000-memory.dmp
memory/4580-193-0x00000000007E0000-0x00000000008BC000-memory.dmp
memory/4580-194-0x0000000001DE0000-0x000000000212A000-memory.dmp
memory/4580-195-0x0000000000DA0000-0x0000000000DCF000-memory.dmp
memory/4580-196-0x0000000001B20000-0x0000000001BB3000-memory.dmp
memory/4580-198-0x0000000000DA0000-0x0000000000DCF000-memory.dmp