Analysis
- max time kernel
150s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
22/10/2022, 06:35
General
- Target 54e5e90fbafdf6f051f2c89da50a4b95.exe
- Size 192KB
- Sample221022-hcb6nabbf7
- SHA256 e4d62d22644bd8f7b85b47328cbac771dd76473902ac2a92cb3bb06ff7ed091a
Malware Config
Extracted
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bitrat
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1.38
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gh9st.mywire.org:5005
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communication_password
803355ca422bf9b37bc523a750e21842
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install_dir
svcsvc
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install_file
svcsvc.exe
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tor_process
tor
Signatures
- BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
- XenArmor Suite
XenArmor is as suite of password recovery tools for various application.
- ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
- Downloads MZ/PE file
- Executes dropped EXE 3 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 1 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- Adds Run key to start application 2 TTPs 3 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
- Suspicious use of SetThreadContext 5 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious behavior: RenamesItself 15 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 55 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\54e5e90fbafdf6f051f2c89da50a4b95.exe"C:\Users\Admin\AppData\Local\Temp\54e5e90fbafdf6f051f2c89da50a4b95.exe"1⤵
- 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 UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\54e5e90fbafdf6f051f2c89da50a4b95.exeC:\Users\Admin\AppData\Local\Temp\54e5e90fbafdf6f051f2c89da50a4b95.exe2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\54e5e90fbafdf6f051f2c89da50a4b95.exe"C:\Users\Admin\AppData\Local\Temp\54e5e90fbafdf6f051f2c89da50a4b95.exe"3⤵
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C:\Users\Admin\AppData\Local\Temp\54e5e90fbafdf6f051f2c89da50a4b95.exe"C:\Users\Admin\AppData\Local\Temp\54e5e90fbafdf6f051f2c89da50a4b95.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\54e5e90fbafdf6f051f2c89da50a4b95.exe"C:\Users\Admin\AppData\Local\Temp\54e5e90fbafdf6f051f2c89da50a4b95.exe"4⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\svcsvc\svcsvc.exe-a "C:\Users\Admin\AppData\Local\5d3b845b\plg\UTGpjsVz.json"5⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\XpsQaDhm.exe-a "C:\Users\Admin\AppData\Local\5d3b845b\plg\UTGpjsVz.json"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\XpsQaDhm.exe-a "C:\Users\Admin\AppData\Local\Temp\unk.xml"6⤵
- Executes dropped EXE
- Loads dropped DLL
- Accesses Microsoft Outlook accounts
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 11404⤵
- Program crash
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-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4640 -ip 46401⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
UTGpjsVz.json
54e5e90fbafdf6f051f2c89da50a4b95.exe.log
License.XenArmor
License.XenArmor
Unknown.dll
Unknown.dll
XpsQaDhm.exe
XpsQaDhm.exe
XpsQaDhm.exe
unk.xml
svcsvc.exe
memory/1372-184-0x0000000000400000-0x00000000006FE000-memory.dmp
memory/1372-177-0x0000000000400000-0x00000000006FE000-memory.dmp
memory/1372-176-0x0000000000400000-0x00000000006FE000-memory.dmp
memory/1372-178-0x0000000000400000-0x00000000006FE000-memory.dmp
memory/1372-174-0x0000000000400000-0x00000000006FE000-memory.dmp
memory/1372-182-0x0000000000400000-0x00000000006FE000-memory.dmp
memory/1372-183-0x0000000010000000-0x0000000010227000-memory.dmp
memory/1372-185-0x0000000010000000-0x0000000010227000-memory.dmp
memory/1828-160-0x0000000070620000-0x0000000070659000-memory.dmp
memory/1828-161-0x0000000070530000-0x0000000070569000-memory.dmp
memory/1828-162-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/1828-156-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/1828-157-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/1828-158-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/1828-159-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/2400-170-0x0000000000400000-0x00000000008DC000-memory.dmp
memory/2400-188-0x0000000000400000-0x00000000008DC000-memory.dmp
memory/2400-173-0x0000000000400000-0x00000000008DC000-memory.dmp
memory/2400-166-0x0000000000400000-0x00000000008DC000-memory.dmp
memory/2400-171-0x0000000000400000-0x00000000008DC000-memory.dmp
memory/3140-132-0x0000000000E40000-0x0000000000E76000-memory.dmp
memory/3140-133-0x0000000007440000-0x0000000007462000-memory.dmp
memory/3192-140-0x0000000007EB0000-0x000000000852A000-memory.dmp
memory/3192-141-0x0000000006D50000-0x0000000006D6A000-memory.dmp
memory/3192-135-0x0000000005290000-0x00000000052C6000-memory.dmp
memory/3192-136-0x0000000005A50000-0x0000000006078000-memory.dmp
memory/3192-137-0x00000000061C0000-0x0000000006226000-memory.dmp
memory/3192-138-0x0000000006230000-0x0000000006296000-memory.dmp
memory/3192-139-0x0000000006860000-0x000000000687E000-memory.dmp
memory/3632-146-0x0000000000400000-0x000000000043F000-memory.dmp
memory/3632-143-0x0000000000400000-0x000000000043F000-memory.dmp
memory/3632-144-0x0000000000400000-0x000000000043F000-memory.dmp
memory/3632-145-0x0000000000400000-0x000000000043F000-memory.dmp
memory/3632-150-0x0000000000400000-0x000000000043F000-memory.dmp
memory/4640-153-0x00000000056F0000-0x0000000005782000-memory.dmp
memory/4640-149-0x0000000000400000-0x00000000005F6000-memory.dmp
memory/4640-152-0x0000000005C00000-0x00000000061A4000-memory.dmp
memory/4640-154-0x00000000030E0000-0x00000000030EA000-memory.dmp