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.csrss.exe

Generic Malware PWS DNS Socket AntiDebug PE File PE32 .NET EXE AntiVM
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6403_us Nov. 5, 2021, 7:30 a.m. Nov. 5, 2021, 7:32 a.m.
Size 296.0KB
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5 a4536e9957a36c621a8f494f5c7c674a
SHA256 4262601fe98a393143cbed49859ade74132bfc80c2cdd71c38460fde7badbc95
CRC32 9A753F37
ssdeep 6144:9UmNiADAP8M0ooxnzpImBZX2SJPYKinjmvMromQhMlT:DdDlM0rxnVIEGS5IqvMTB1
PDB Path C:\Users\Administrator\Desktop\Client\Temp\xaIeSSYFiz\src\obj\Debug\cDisplayClass3.pdb
Yara
  • PE_Header_Zero - PE File Signature
  • Generic_Malware_Zero - Generic Malware
  • IsPE32 - (no description)
  • Is_DotNET_EXE - (no description)
  • Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT
  • Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult

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

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Time & API Arguments Status Return Repeated

GetComputerNameA

 computer_name: TEST22-PC
1 1 0

GetComputerNameA

 computer_name: TEST22-PC
1 1 0

GetComputerNameW

 computer_name: TEST22-PC
1 1 0

GetComputerNameW

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

IsDebuggerPresent

 0 0

IsDebuggerPresent

 0 0
registry HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\MachineGuid
pdb_path C:\Users\Administrator\Desktop\Client\Temp\xaIeSSYFiz\src\obj\Debug\cDisplayClass3.pdb
registry HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Mozilla Firefox
Time & API Arguments Status Return Repeated

GlobalMemoryStatusEx

 1 1 0
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 1310720
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00790000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00890000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 2308
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73941000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 2308
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73942000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 786432
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00570000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005f0000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003f2000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00425000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0042b000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00427000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0040c000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005c0000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003fa000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0041a000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00417000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0040a000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00416000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005c1000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005c2000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005c3000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0040d000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 24576
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005c4000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005ca000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005cb000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005cc000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2308
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x005cd000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0
Time & API Arguments Status Return Repeated

GetDiskFreeSpaceW

 number_of_free_clusters: 2499627
sectors_per_cluster: 8
bytes_per_sector: 512
root_path: \
total_number_of_clusters: 8362495
1 1 0

GetDiskFreeSpaceW

 number_of_free_clusters: 2499627
sectors_per_cluster: 8
bytes_per_sector: 512
root_path: \
total_number_of_clusters: 8362495
1 1 0
file C:\Users\test22\AppData\Local\Google\Chrome\User Data\Default\Login Data
file C:\Users\test22\AppData\Roaming\Opera\Opera Next\data\Default\Login Data
file C:\Users\test22\AppData\Roaming\Opera\Opera Next\data\User Data\Default\Web Data
file C:\Users\test22\AppData\Roaming\Opera\Opera Next\data\User Data\Default\Login Data
file C:\Users\test22\AppData\Roaming\Opera\Opera Next\data\Login Data
file C:\Users\test22\AppData\Local\Chromium\User Data\Default\Web Data
file C:\Users\test22\AppData\Local\Chromium\User Data\Default\Login Data
file C:\Users\test22\AppData\LocalMapleStudio\ChromePlus\Default\Login Data
file C:\Users\test22\AppData\Local\MapleStudio\ChromePlus\User Data\Default\Web Data
file C:\Users\test22\AppData\Local\MapleStudio\ChromePlus\User Data\Default\Login Data
file C:\Users\test22\AppData\LocalMapleStudio\ChromePlus\Login Data
file C:\Users\test22\AppData\Local\Nichrome\User Data\Default\Login Data
file C:\Users\test22\AppData\Local\Nichrome\User Data\Default\Web Data
file C:\Users\test22\AppData\Local\RockMelt\User Data\Default\Login Data
file C:\Users\test22\AppData\Local\RockMelt\User Data\Default\Web Data
file C:\Users\test22\AppData\Local\Yandex\YandexBrowser\User Data\Default\Web Data
file C:\Users\test22\AppData\Local\Yandex\YandexBrowser\User Data\Default\Login Data
registry HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\SeaMonkey
registry HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Mozilla Firefox
Symantec MSIL.Packed.19
APEX Malicious
Paloalto generic.ml
Kaspersky VHO:Backdoor.MSIL.Androm.gen
MaxSecure Trojan.Malware.300983.susgen
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Malwarebytes Trojan.MalPack.ADC
Fortinet MSIL/GenKryptik.FNAJ!tr
section {u'size_of_data': u'0x00049400', u'virtual_address': u'0x00002000', u'entropy': 7.803075135532384, u'name': u'.text', u'virtual_size': u'0x0004920c'} entropy 7.80307513553 description A section with a high entropy has been found
entropy 0.991539763113 description Overall entropy of this PE file is high
Time & API Arguments Status Return Repeated

LookupPrivilegeValueW

 system_name:
privilege_name: SeDebugPrivilege
1 1 0
url http://www.ibsensoftware.com/
description Communications over RAW Socket rule Network_TCP_Socket
description Communications use DNS rule Network_DNS
description Win32 PWS Loki rule Win32_PWS_Loki_Zero
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
host 63.250.40.204
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

 process_identifier: 2652
region_size: 663552
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00400000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0x0000023c
1 0 0
file C:\Program Files (x86)\FTPGetter\Profile\servers.xml
file C:\Users\test22\AppData\Roaming\FTPGetter\servers.xml
file C:\Users\test22\AppData\Roaming\Estsoft\ALFTP\ESTdb2.dat
file C:\Users\test22\AppData\Roaming\GHISLER\wcx_ftp.ini
file C:\Users\test22\AppData\Roaming\wcx_ftp.ini
file C:\Windows\wcx_ftp.ini
file C:\Users\test22\wcx_ftp.ini
file C:\Windows\32BitFtp.ini
file C:\Users\test22\AppData\Roaming\FileZilla\sitemanager.xml
file C:\Program Files (x86)\FileZilla\Filezilla.xml
file C:\Users\test22\AppData\Roaming\FileZilla\recentservers.xml
file C:\Users\test22\AppData\Roaming\FileZilla\filezilla.xml
registry HKEY_CURRENT_USER\Software\Far\Plugins\FTP\Hosts
registry HKEY_CURRENT_USER\Software\Far2\Plugins\FTP\Hosts
registry HKEY_CURRENT_USER\Software\Ghisler\Total Commander
registry HKEY_CURRENT_USER\Software\VanDyke\SecureFX
registry HKEY_CURRENT_USER\Software\LinasFTP\Site Manager
registry HKEY_CURRENT_USER\Software\FlashPeak\BlazeFtp\Settings
registry HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions
registry HKEY_LOCAL_MACHINE\Software\SimonTatham\PuTTY\Sessions
registry HKEY_CURRENT_USER\Software\Martin Prikryl
registry HKEY_LOCAL_MACHINE\Software\Martin Prikryl
file C:\Users\test22\AppData\Roaming\.purple\accounts.xml
Time & API Arguments Status Return Repeated

WriteProcessMemory

 buffer: MZÿÿ¸@𺴠Í!¸LÍ!This program cannot be run in DOS mode. $ÌÍxþˆ¬­ˆ¬­ˆ¬­Ô•­‰¬­K£K­Š¬­ ­‰¬­=2󭋬­ˆ¬­Œ¬­Ôƒ­‰¬­ˆ¬­Ç¬­Ô…­™¬­=2÷­ó¬­=2È­‰¬­Richˆ¬­PEL…lWà  8¢Þ9P@ €ЎdP\.textõ68 `.rdata`@PB<@@.data$^ ~@À.x €À
base_address: 0x00400000
process_identifier: 2652
process_handle: 0x0000023c
1 1 0

WriteProcessMemory

 buffer: ™TÍ<¨‡K¢`ˆˆÝ;U
base_address: 0x0041a000
process_identifier: 2652
process_handle: 0x0000023c
1 1 0

WriteProcessMemory

 buffer: @
base_address: 0x7efde008
process_identifier: 2652
process_handle: 0x0000023c
1 1 0
Time & API Arguments Status Return Repeated

WriteProcessMemory

 buffer: MZÿÿ¸@𺴠Í!¸LÍ!This program cannot be run in DOS mode. $ÌÍxþˆ¬­ˆ¬­ˆ¬­Ô•­‰¬­K£K­Š¬­ ­‰¬­=2󭋬­ˆ¬­Œ¬­Ôƒ­‰¬­ˆ¬­Ç¬­Ô…­™¬­=2÷­ó¬­=2È­‰¬­Richˆ¬­PEL…lWà  8¢Þ9P@ €ЎdP\.textõ68 `.rdata`@PB<@@.data$^ ~@À.x €À
base_address: 0x00400000
process_identifier: 2652
process_handle: 0x0000023c
1 1 0
file C:\Users\test22\AppData\Roaming\Thunderbird\profiles.ini
registry HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676\00000003
registry HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Mozilla Thunderbird\78.4.0 (ko)\Main
registry HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\ddb0922fc50b8d42be5a821ede840761\Email
Process injection Process 2308 called NtSetContextThread to modify thread in remote process 2652
Time & API Arguments Status Return Repeated

NtSetContextThread

 registers.eip: 0
registers.esp: 0
registers.edi: 0
registers.eax: 4274654
registers.ebp: 0
registers.edx: 0
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
thread_handle: 0x00000238
process_identifier: 2652
1 0 0
Process injection Process 2308 resumed a thread in remote process 2652
Time & API Arguments Status Return Repeated

NtResumeThread

 thread_handle: 0x00000238
suspend_count: 1
process_identifier: 2652
1 0 0
Time & API Arguments Status Return Repeated

CreateProcessInternalW

 thread_identifier: 2656
thread_handle: 0x00000238
process_identifier: 2652
current_directory:
filepath: C:\Users\test22\AppData\Local\Temp\.csrss.exe
track: 1
command_line:
filepath_r: C:\Users\test22\AppData\Local\Temp\.csrss.exe
stack_pivoted: 0
creation_flags: 134217732 (CREATE_NO_WINDOW|CREATE_SUSPENDED)
inherit_handles: 0
process_handle: 0x0000023c
1 1 0
dead_host 63.250.40.204:80
Time & API Arguments Status Return Repeated

NtResumeThread

 thread_handle: 0x000000dc
suspend_count: 1
process_identifier: 2308
1 0 0

NtResumeThread

 thread_handle: 0x00000150
suspend_count: 1
process_identifier: 2308
1 0 0

NtResumeThread

 thread_handle: 0x00000190
suspend_count: 1
process_identifier: 2308
1 0 0

CreateProcessInternalW

 thread_identifier: 2656
thread_handle: 0x00000238
process_identifier: 2652
current_directory:
filepath: C:\Users\test22\AppData\Local\Temp\.csrss.exe
track: 1
command_line:
filepath_r: C:\Users\test22\AppData\Local\Temp\.csrss.exe
stack_pivoted: 0
creation_flags: 134217732 (CREATE_NO_WINDOW|CREATE_SUSPENDED)
inherit_handles: 0
process_handle: 0x0000023c
1 1 0

NtGetContextThread

 thread_handle: 0x00000238
1 0 0

NtAllocateVirtualMemory

 process_identifier: 2652
region_size: 663552
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00400000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0x0000023c
1 0 0

WriteProcessMemory

 buffer: MZÿÿ¸@𺴠Í!¸LÍ!This program cannot be run in DOS mode. $ÌÍxþˆ¬­ˆ¬­ˆ¬­Ô•­‰¬­K£K­Š¬­ ­‰¬­=2󭋬­ˆ¬­Œ¬­Ôƒ­‰¬­ˆ¬­Ç¬­Ô…­™¬­=2÷­ó¬­=2È­‰¬­Richˆ¬­PEL…lWà  8¢Þ9P@ €ЎdP\.textõ68 `.rdata`@PB<@@.data$^ ~@À.x €À
base_address: 0x00400000
process_identifier: 2652
process_handle: 0x0000023c
1 1 0

WriteProcessMemory

 buffer:
base_address: 0x00401000
process_identifier: 2652
process_handle: 0x0000023c
1 1 0

WriteProcessMemory

 buffer:
base_address: 0x00415000
process_identifier: 2652
process_handle: 0x0000023c
1 1 0

WriteProcessMemory

 buffer: ™TÍ<¨‡K¢`ˆˆÝ;U
base_address: 0x0041a000
process_identifier: 2652
process_handle: 0x0000023c
1 1 0

WriteProcessMemory

 buffer:
base_address: 0x004a0000
process_identifier: 2652
process_handle: 0x0000023c
1 1 0

WriteProcessMemory

 buffer: @
base_address: 0x7efde008
process_identifier: 2652
process_handle: 0x0000023c
1 1 0

NtSetContextThread

 registers.eip: 0
registers.esp: 0
registers.edi: 0
registers.eax: 4274654
registers.ebp: 0
registers.edx: 0
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
thread_handle: 0x00000238
process_identifier: 2652
1 0 0

NtResumeThread

 thread_handle: 0x00000238
suspend_count: 1
process_identifier: 2652
1 0 0

NtResumeThread

 thread_handle: 0x00000110
suspend_count: 1
process_identifier: 2652
1 0 0