Analysis
- max time kernel
146s - max time network
149s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
16/10/2022, 12:18
General
- Target swift!!!.exe
- Size 996KB
- Sample221016-pgldfshdhp
- SHA256 7f4037a13857e6b8c8d67cdae301b33289d2e66f3a9e618faab005be42c47ed8
Malware Config
Extracted
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formbook
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5pdf
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ImkB41yxewa+HeQyPpDm
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cLnVt4DNZCL7QEV5KG7giA==
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OIEUzLUFkDn8y4abGEtC4yglSTX4
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EqHHULn+zpNozLr4ibEAuwM=
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evmLCwphcPbQTMEOmOyOivz3oA==
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itXoy64T3qaBgfZMZ4hP7x4=
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11lkKSydVQazaCfB
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rjVa6Vuxhm7o0DaMVKRiAEG548hjbXUh
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A5LGUb4V4HhTGw5J2kbJWt+1TcZ/lwk=
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Z/IjCQhZrlVCQyl3LzzkkQ==
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6S3Gn/1WV9DAuTpo8FyBEyDvpw==
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RZOeKrIJoj4kjlSGfuE/3ZSf
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Roivd82k8rJ8
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fwWrgboRZx7FLOUyPpDm
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aOsu9kWm5IZ+Mforn+g=
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q/+gMjuW2IJrbFCKBUzDT+Y7zBw=
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Za7YfdYb33L3lELL
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PX2kfQd1toOMfCutdLEAuwM=
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qUFE/vlKjo1rXujioun6vQA=
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xyUrsDOTXhbIrl7ejrEAuwM=
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 1 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.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 21 IoCs
- Suspicious behavior: MapViewOfSection 8 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 24 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\swift!!!.exe"C:\Users\Admin\AppData\Local\Temp\swift!!!.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- 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" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BjTkAqwWjtrX.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BjTkAqwWjtrX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9AF9.tmp"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\swift!!!.exe"C:\Users\Admin\AppData\Local\Temp\swift!!!.exe"3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmp9AF9.tmp
sqlite3.dll
memory/684-82-0x0000000000400000-0x000000000042F000-memory.dmp
memory/684-65-0x0000000000400000-0x000000000042F000-memory.dmp
memory/684-79-0x00000000001A0000-0x00000000001B0000-memory.dmp
memory/684-74-0x0000000000770000-0x0000000000A73000-memory.dmp
memory/684-73-0x0000000000401000-0x000000000042F000-memory.dmp
memory/684-83-0x0000000000401000-0x000000000042F000-memory.dmp
memory/684-72-0x0000000000400000-0x000000000042F000-memory.dmp
memory/684-64-0x0000000000400000-0x000000000042F000-memory.dmp
memory/684-75-0x00000000000A0000-0x00000000000B0000-memory.dmp
memory/684-67-0x0000000000400000-0x000000000042F000-memory.dmp
memory/684-70-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1236-88-0x0000000006DA0000-0x0000000006F07000-memory.dmp
memory/1236-77-0x0000000006170000-0x0000000006281000-memory.dmp
memory/1236-91-0x0000000006DA0000-0x0000000006F07000-memory.dmp
memory/1236-80-0x00000000063B0000-0x00000000064B8000-memory.dmp
memory/1572-85-0x0000000000800000-0x0000000000B03000-memory.dmp
memory/1572-86-0x0000000000100000-0x000000000012D000-memory.dmp
memory/1572-84-0x0000000000660000-0x0000000000668000-memory.dmp
memory/1572-87-0x0000000000670000-0x00000000006FF000-memory.dmp
memory/1572-89-0x0000000000100000-0x000000000012D000-memory.dmp
memory/1644-54-0x0000000001060000-0x000000000115E000-memory.dmp
memory/1644-57-0x0000000000A70000-0x0000000000A7C000-memory.dmp
memory/1644-63-0x000000000A1F0000-0x000000000A224000-memory.dmp
memory/1644-56-0x0000000000D00000-0x0000000000D1A000-memory.dmp
memory/1644-58-0x000000000A370000-0x000000000A400000-memory.dmp
memory/1644-55-0x0000000076321000-0x0000000076323000-memory.dmp
memory/2044-76-0x000000006E940000-0x000000006EEEB000-memory.dmp
memory/2044-71-0x000000006E940000-0x000000006EEEB000-memory.dmp