Analysis
- max time kernel
134s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
25/08/2024, 16:51
General
- Target SecuriteInfo.com.Win32.CrypterX-gen.11978.20175.exe
- Size 924KB
- Sample240825-vctrxstgmf
- SHA256 64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a
Malware Config
Signatures
- PureLog Stealer
PureLog Stealer is an infostealer written in C#.
- PureLog Stealer payload 2 IoCs
- Suspicious use of NtCreateUserProcessOtherParentProcess 3 IoCs
- Executes dropped EXE 4 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Drops file in Windows directory 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 24 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.11978.20175.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.11978.20175.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.11978.20175.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.11978.20175.exe"2⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
-
-
C:\ProgramData\bogm\klnafaw.exe"C:\ProgramData\bogm\klnafaw.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\ProgramData\bogm\klnafaw.exe"C:\ProgramData\bogm\klnafaw.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\ProgramData\bogm\klnafaw.exeC:\ProgramData\bogm\klnafaw.exe1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\bogm\klnafaw.exeC:\ProgramData\bogm\klnafaw.exe1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
klnafaw.exe
Test Task17.job
memory/780-1100-0x000000007420E000-0x000000007420F000-memory.dmp
memory/780-1101-0x0000000074200000-0x00000000749B0000-memory.dmp
memory/780-2174-0x0000000074200000-0x00000000749B0000-memory.dmp
memory/780-2190-0x0000000074200000-0x00000000749B0000-memory.dmp
memory/780-2182-0x0000000074200000-0x00000000749B0000-memory.dmp
memory/780-2181-0x000000007420E000-0x000000007420F000-memory.dmp
memory/780-2180-0x0000000074200000-0x00000000749B0000-memory.dmp
memory/780-2179-0x0000000074200000-0x00000000749B0000-memory.dmp
memory/780-2178-0x0000000074200000-0x00000000749B0000-memory.dmp
memory/2820-24-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-17-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-62-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-60-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-58-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-56-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-54-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-52-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-50-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-48-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-46-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-44-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-42-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-38-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-36-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-32-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-30-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-34-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-27-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-28-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-66-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-68-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-64-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-20-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-18-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-40-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-14-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-13-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-10-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-22-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-5-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-1077-0x0000000074890000-0x0000000075040000-memory.dmp
memory/2820-1078-0x0000000005700000-0x0000000005758000-memory.dmp
memory/2820-1079-0x0000000005760000-0x00000000057AC000-memory.dmp
memory/2820-1083-0x0000000074890000-0x0000000075040000-memory.dmp
memory/2820-1084-0x0000000074890000-0x0000000075040000-memory.dmp
memory/2820-1085-0x0000000074890000-0x0000000075040000-memory.dmp
memory/2820-8-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-6-0x00000000055D0000-0x00000000056A8000-memory.dmp
memory/2820-4-0x00000000055D0000-0x00000000056AE000-memory.dmp
memory/2820-3-0x0000000005480000-0x000000000555C000-memory.dmp
memory/2820-2-0x0000000074890000-0x0000000075040000-memory.dmp
memory/2820-1086-0x000000007489E000-0x000000007489F000-memory.dmp
memory/2820-1087-0x0000000006100000-0x00000000066A4000-memory.dmp
memory/2820-1088-0x0000000005840000-0x0000000005894000-memory.dmp
memory/2820-1096-0x0000000074890000-0x0000000075040000-memory.dmp
memory/2820-0-0x000000007489E000-0x000000007489F000-memory.dmp
memory/2820-1-0x0000000000A30000-0x0000000000B1E000-memory.dmp
memory/3340-1094-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4856-2189-0x0000000000400000-0x0000000000406000-memory.dmp