Analysis
- max time kernel
152s - max time network
168s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
14/10/2022, 14:39
General
- Target DHL_FORM_14102022.PDF.exe
- Size 172KB
- Sample221014-rz96msdfgn
- SHA256 b22baa52239e6da2ea4b77b8fffaed7b32efdfe6847d6f437c372ce441d00e84
Malware Config
Extracted
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formbook
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4.1
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ss73
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746621.com
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220.homes
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726.homes
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funnygangster.net
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homesbylindsayb.com
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epiplasticsurgery.com
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jaymyers.homes
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hotgay.site
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omahainnovationdistrict.com
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monulab.net
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sardinianbooking.store
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ky2215.com
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quartierengel.com
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ronec.top
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sherrysellsmedina.com
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hustleruniversity.college
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memscustomcookies.com
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gc007.buzz
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hytrolic.online
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41117.top
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- 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 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 20 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DHL_FORM_14102022.PDF.exe"C:\Users\Admin\AppData\Local\Temp\DHL_FORM_14102022.PDF.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQA1AA==3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\DHL_FORM_14102022.PDF.exeC:\Users\Admin\AppData\Local\Temp\DHL_FORM_14102022.PDF.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\control.exe"C:\Windows\SysWOW64\control.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\DHL_FORM_14102022.PDF.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/548-132-0x0000000000FC0000-0x0000000000FF0000-memory.dmp
memory/548-133-0x0000000005F80000-0x0000000006524000-memory.dmp
memory/548-134-0x0000000005C70000-0x0000000005D02000-memory.dmp
memory/548-135-0x0000000005C10000-0x0000000005C1A000-memory.dmp
memory/548-136-0x0000000008F80000-0x0000000008FD0000-memory.dmp
memory/548-137-0x0000000009320000-0x00000000093D2000-memory.dmp
memory/548-138-0x0000000009670000-0x0000000009692000-memory.dmp
memory/1272-163-0x0000000003580000-0x0000000003629000-memory.dmp
memory/1272-162-0x0000000003580000-0x0000000003629000-memory.dmp
memory/1272-159-0x0000000008CB0000-0x0000000008DC7000-memory.dmp
memory/1272-153-0x0000000008CB0000-0x0000000008DC7000-memory.dmp
memory/1460-146-0x0000000006B80000-0x0000000006B9A000-memory.dmp
memory/1460-142-0x0000000005860000-0x00000000058C6000-memory.dmp
memory/1460-145-0x0000000007D00000-0x000000000837A000-memory.dmp
memory/1460-143-0x0000000006030000-0x0000000006096000-memory.dmp
memory/1460-144-0x0000000006700000-0x000000000671E000-memory.dmp
memory/1460-140-0x00000000030B0000-0x00000000030E6000-memory.dmp
memory/1460-141-0x0000000005A00000-0x0000000006028000-memory.dmp
memory/3996-152-0x0000000001B00000-0x0000000001B14000-memory.dmp
memory/3996-151-0x0000000001790000-0x0000000001ADA000-memory.dmp
memory/3996-150-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3996-148-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4948-155-0x00000000008E0000-0x0000000000907000-memory.dmp
memory/4948-156-0x0000000001030000-0x000000000105F000-memory.dmp
memory/4948-158-0x0000000002EC0000-0x000000000320A000-memory.dmp
memory/4948-160-0x0000000001030000-0x000000000105F000-memory.dmp
memory/4948-161-0x0000000002D60000-0x0000000002DF3000-memory.dmp