Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
13/10/2022, 13:01
General
- Target Justificante de transferencia ES070049# EU17800 20221013.exe
- Size 894KB
- Sample221013-p88casefdp
- SHA256 c2a2e935606e9b8d5ffc48c3fe91812e29f8abf0de31abfd6eb4d014fe781e5a
Malware Config
Extracted
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formbook
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4.1
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jr22
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941zhe.com
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lunarportal.space
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xn--osmaniyeiek-t9ab.online
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trejoscar.com
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nrnursery.com
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quizcannot.cfd
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seedstockersthailand.com
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watsonwindow.com
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wjfholdings.com
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weziclondon.com
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naruot.xyz
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yeji.plus
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classicmenstore.com
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oharatravel.com
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therapyplankits.com
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keviegreshonpt.com
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qdlyner.com
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seithupaarungal.com
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casinorates.online
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8ug4as.icu
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.
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 44 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 13 IoCs
- Suspicious use of WriteProcessMemory 15 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\Justificante de transferencia ES070049# EU17800 20221013.exe"C:\Users\Admin\AppData\Local\Temp\Justificante de transferencia ES070049# EU17800 20221013.exe"2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Justificante de transferencia ES070049# EU17800 20221013.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\Justificante de transferencia ES070049# EU17800 20221013.exe"C:\Users\Admin\AppData\Local\Temp\Justificante de transferencia ES070049# EU17800 20221013.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\ipconfig.exe"C:\Windows\SysWOW64\ipconfig.exe"2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- 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\Justificante de transferencia ES070049# EU17800 20221013.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1176-161-0x0000000007360000-0x00000000073F6000-memory.dmp
memory/1176-165-0x0000000007410000-0x0000000007418000-memory.dmp
memory/1176-154-0x00000000070E0000-0x00000000070FA000-memory.dmp
memory/1176-153-0x0000000007720000-0x0000000007D9A000-memory.dmp
memory/1176-152-0x0000000006380000-0x000000000639E000-memory.dmp
memory/1176-151-0x0000000070E60000-0x0000000070EAC000-memory.dmp
memory/1176-144-0x0000000005700000-0x0000000005766000-memory.dmp
memory/1176-143-0x0000000004F10000-0x0000000004F32000-memory.dmp
memory/1176-141-0x00000000024C0000-0x00000000024F6000-memory.dmp
memory/1176-150-0x00000000063C0000-0x00000000063F2000-memory.dmp
memory/1176-142-0x0000000004FE0000-0x0000000005608000-memory.dmp
memory/1176-149-0x0000000005DD0000-0x0000000005DEE000-memory.dmp
memory/1176-164-0x0000000007420000-0x000000000743A000-memory.dmp
memory/1176-163-0x0000000007320000-0x000000000732E000-memory.dmp
memory/1176-159-0x0000000007150000-0x000000000715A000-memory.dmp
memory/2244-132-0x0000000000170000-0x0000000000256000-memory.dmp
memory/2244-133-0x00000000051C0000-0x0000000005764000-memory.dmp
memory/2244-137-0x000000000D400000-0x000000000D466000-memory.dmp
memory/2244-136-0x000000000D360000-0x000000000D3FC000-memory.dmp
memory/2244-135-0x0000000004DB0000-0x0000000004DBA000-memory.dmp
memory/2244-134-0x0000000004C10000-0x0000000004CA2000-memory.dmp
memory/2416-170-0x00000000028E0000-0x00000000028F0000-memory.dmp
memory/2416-175-0x0000000002900000-0x0000000002910000-memory.dmp
memory/2416-182-0x0000000002930000-0x0000000002940000-memory.dmp
memory/2416-181-0x0000000002930000-0x0000000002940000-memory.dmp
memory/2416-180-0x0000000002920000-0x0000000002930000-memory.dmp
memory/2416-148-0x0000000007C00000-0x0000000007D04000-memory.dmp
memory/2416-179-0x00000000028E0000-0x00000000028F0000-memory.dmp
memory/2416-178-0x0000000002910000-0x0000000002920000-memory.dmp
memory/2416-177-0x0000000002910000-0x0000000002920000-memory.dmp
memory/2416-176-0x0000000002910000-0x0000000002920000-memory.dmp
memory/2416-174-0x0000000002910000-0x0000000002920000-memory.dmp
memory/2416-167-0x0000000002FE0000-0x00000000030D8000-memory.dmp
memory/2416-173-0x0000000002910000-0x0000000002920000-memory.dmp
memory/2416-169-0x0000000002FE0000-0x00000000030D8000-memory.dmp
memory/2416-172-0x0000000002910000-0x0000000002920000-memory.dmp
memory/2416-171-0x0000000002900000-0x0000000002910000-memory.dmp
memory/2828-168-0x0000000001220000-0x000000000124F000-memory.dmp
memory/2828-166-0x00000000018A0000-0x0000000001933000-memory.dmp
memory/2828-157-0x00000000008A0000-0x00000000008AB000-memory.dmp
memory/2828-162-0x0000000001A70000-0x0000000001DBA000-memory.dmp
memory/2828-158-0x0000000001220000-0x000000000124F000-memory.dmp
memory/3076-140-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3076-146-0x00000000015A0000-0x00000000018EA000-memory.dmp
memory/3076-147-0x0000000001570000-0x0000000001584000-memory.dmp
memory/3076-156-0x0000000000400000-0x000000000042F000-memory.dmp