Analysis
- max time kernel
151s - max time network
149s - platform
windows7_x64 - resource
win7v20210410 - submitted
12/08/2021, 04:02
General
- Target Order No 93459674 Specification and Dimension.exe
- Size 2.7MB
- Sample210812-tbsymt7mvx
- SHA256 b16a424da66859604542b125c1db27fedd52eb23db2d7459299849408c739d71
Malware Config
Signatures
- BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
- BitRAT Payload 2 IoCs
- suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
- Suspicious use of SetThreadContext 1 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.
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 24 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Order No 93459674 Specification and Dimension.exe"C:\Users\Admin\AppData\Local\Temp\Order No 93459674 Specification and Dimension.exe"1⤵
- 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\Local\Temp\Order No 93459674 Specification and Dimension.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\QIkZZSzTmzZHAr.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QIkZZSzTmzZHAr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2617.tmp"2⤵
- Creates scheduled task(s)
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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\QIkZZSzTmzZHAr.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/752-64-0x0000000009100000-0x0000000009273000-memory.dmp
memory/752-59-0x0000000001370000-0x0000000001371000-memory.dmp
memory/752-61-0x0000000000390000-0x00000000003A8000-memory.dmp
memory/752-62-0x00000000050F0000-0x00000000050F1000-memory.dmp
memory/752-63-0x0000000005CA0000-0x0000000005E88000-memory.dmp
memory/928-99-0x0000000005690000-0x0000000005691000-memory.dmp
memory/928-120-0x00000000061E0000-0x00000000061E1000-memory.dmp
memory/928-84-0x0000000001120000-0x0000000001121000-memory.dmp
memory/928-104-0x00000000060A0000-0x00000000060A1000-memory.dmp
memory/928-105-0x0000000006150000-0x0000000006151000-memory.dmp
memory/928-106-0x000000007EF30000-0x000000007EF31000-memory.dmp
memory/928-113-0x0000000006280000-0x0000000006281000-memory.dmp
memory/928-66-0x0000000076661000-0x0000000076663000-memory.dmp
memory/928-135-0x0000000006300000-0x0000000006301000-memory.dmp
memory/928-92-0x0000000002690000-0x0000000002691000-memory.dmp
memory/928-136-0x0000000006310000-0x0000000006311000-memory.dmp
memory/928-87-0x0000000001122000-0x0000000001123000-memory.dmp
memory/1124-96-0x0000000000DA2000-0x0000000000DA3000-memory.dmp
memory/1124-88-0x0000000000DA0000-0x0000000000DA1000-memory.dmp
memory/1348-89-0x0000000001190000-0x0000000001191000-memory.dmp
memory/1348-86-0x0000000004AF2000-0x0000000004AF3000-memory.dmp
memory/1348-85-0x0000000004AF0000-0x0000000004AF1000-memory.dmp
memory/1348-74-0x0000000004B30000-0x0000000004B31000-memory.dmp
memory/1348-72-0x0000000000EF0000-0x0000000000EF1000-memory.dmp
memory/1508-95-0x0000000000400000-0x00000000007E4000-memory.dmp
memory/1508-79-0x0000000000400000-0x00000000007E4000-memory.dmp