Analysis
- max time kernel
149s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/08/2026, 03:10
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-01_6b0d0ac3a720f2d244e0208fa19d40ad_cryptowall_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-01_6b0d0ac3a720f2d244e0208fa19d40ad_cryptowall_elex.exe
Resource
win11ltsc2024-20260709-en
8 signatures
150 seconds
General
- Target 2026-08-01_6b0d0ac3a720f2d244e0208fa19d40ad_cryptowall_elex.exe
- Size 121KB
- Sample260801-dpfbmadl8x
- SHA256 76a3f440982a3796379a3100501477ac87fda17f356e5beecb28798b4b222052
- MD5 6b0d0ac3a720f2d244e0208fa19d40ad
- SHA1 2de426ef8018e32e2cad4538491743b8af7f8cb8
- SHA512 0ee24dd8c5706ca2d6bd8e17cdfca573738cd0179e8fab6ce4fc8b73244a80bc00925c2f1395e0e5f978a6690496e2686baddde68caa57477be12a3859d328b0
- SSDEEP 3072:7M+gqvcU3ugZHGDyIn6sBkly7gzFs6VPUPRkUo7xhg+PP/:XgqCgZHGegBksws0PUP2Lw+PP/
- TLSH T147C3FC10D060C37EE4A240FAC7E90DBDB8358E60235645C772C23F796B95EE5AB31B69
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects ransomware indicator 14 IoCs
resource yara_rule behavioral2/memory/4840-0-0x0000000000B50000-0x0000000000B73000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 behavioral2/memory/4840-1-0x0000000000B50000-0x0000000000B73000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 behavioral2/files/0x000d00000001c501-5.dat SUSP_RANSOMWARE_Indicator_Jul20 behavioral2/memory/4648-8-0x0000000000830000-0x0000000000853000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 behavioral2/memory/4928-12-0x0000000000CC0000-0x0000000000CE3000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 behavioral2/memory/4648-10-0x0000000000830000-0x0000000000853000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 behavioral2/memory/5964-16-0x00000000009D0000-0x00000000009F3000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 behavioral2/memory/4648-18-0x0000000000830000-0x0000000000853000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 behavioral2/memory/2452-22-0x0000000000650000-0x0000000000673000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 behavioral2/memory/4928-24-0x0000000000CC0000-0x0000000000CE3000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 behavioral2/memory/2452-23-0x0000000000650000-0x0000000000673000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 behavioral2/memory/1112-25-0x00000000012D0000-0x00000000012F3000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 behavioral2/memory/4840-26-0x0000000000B50000-0x0000000000B73000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 behavioral2/memory/1112-27-0x00000000012D0000-0x00000000012F3000-memory.dmp SUSP_RANSOMWARE_Indicator_Jul20 - Creates a file in the Startup directory 1 TTPs 3 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4a591ba.exe explorer.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4a591ba.exe explorer.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4a591ba.exe explorer.exe - Executes dropped EXE 2 IoCs
pid Process 4988 4a591ba.exe 3284 4a591ba.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Windows\CurrentVersion\Run\4a591b = "C:\\4a591ba\\4a591ba.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-1079202589-886135813-2527035092-1000\Software\Microsoft\Windows\CurrentVersion\Run\4a591ba = "C:\\Users\\Admin\\AppData\\Roaming\\4a591ba.exe" explorer.exe - System Location Discovery: System Language Discovery 1 TTPs 9 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-01_6b0d0ac3a720f2d244e0208fa19d40ad_cryptowall_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4a591ba.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4a591ba.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe - Suspicious behavior: EnumeratesProcesses 32 IoCs
pid Process 4648 explorer.exe 4648 explorer.exe 4648 explorer.exe 4648 explorer.exe 4648 explorer.exe 4648 explorer.exe 4648 explorer.exe 4648 explorer.exe 4928 explorer.exe 4928 explorer.exe 4928 explorer.exe 4928 explorer.exe 4928 explorer.exe 4928 explorer.exe 4928 explorer.exe 4928 explorer.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 4840 explorer.exe 4840 explorer.exe 4840 explorer.exe 4840 explorer.exe 4840 explorer.exe 4840 explorer.exe 4840 explorer.exe 4840 explorer.exe 1112 svchost.exe 1112 svchost.exe 1112 svchost.exe 1112 svchost.exe - Suspicious behavior: MapViewOfSection 6 IoCs
pid Process 4588 2026-08-01_6b0d0ac3a720f2d244e0208fa19d40ad_cryptowall_elex.exe 4988 4a591ba.exe 3284 4a591ba.exe 4648 explorer.exe 4928 explorer.exe 4840 explorer.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4588 wrote to memory of 4840 4588 2026-08-01_6b0d0ac3a720f2d244e0208fa19d40ad_cryptowall_elex.exe 89 PID 4988 wrote to memory of 4648 4988 4a591ba.exe 94 PID 3284 wrote to memory of 4928 3284 4a591ba.exe 95 PID 4648 wrote to memory of 5964 4648 explorer.exe 96 PID 4928 wrote to memory of 2452 4928 explorer.exe 97 PID 4840 wrote to memory of 1112 4840 explorer.exe 98
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-01_6b0d0ac3a720f2d244e0208fa19d40ad_cryptowall_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-01_6b0d0ac3a720f2d244e0208fa19d40ad_cryptowall_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4588 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\syswow64\explorer.exe"2⤵
- Creates a file in the Startup directory
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4840 -
C:\Windows\SysWOW64\svchost.exe-k netsvcs3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1112
-
-
-
C:\Users\Admin\AppData\Roaming\4a591ba.exeC:\Users\Admin\AppData\Roaming\4a591ba.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4988 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\syswow64\explorer.exe"2⤵
- Creates a file in the Startup directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Windows\SysWOW64\svchost.exe-k netsvcs3⤵
- System Location Discovery: System Language Discovery
PID:5964
-
-
-
C:\4a591ba\4a591ba.exeC:\4a591ba\4a591ba.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3284 -
C:\Windows\SysWOW64\explorer.exe"C:\Windows\syswow64\explorer.exe"2⤵
- Creates a file in the Startup directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Windows\SysWOW64\svchost.exe-k netsvcs3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2452
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Roaming\4a591ba.exe
- Size 121KB
- SHA256 76a3f440982a3796379a3100501477ac87fda17f356e5beecb28798b4b222052
- MD5 6b0d0ac3a720f2d244e0208fa19d40ad
- SHA1 2de426ef8018e32e2cad4538491743b8af7f8cb8
- SHA512 0ee24dd8c5706ca2d6bd8e17cdfca573738cd0179e8fab6ce4fc8b73244a80bc00925c2f1395e0e5f978a6690496e2686baddde68caa57477be12a3859d328b0
- SSDEEP 3072:7M+gqvcU3ugZHGDyIn6sBkly7gzFs6VPUPRkUo7xhg+PP/:XgqCgZHGegBksws0PUP2Lw+PP/
- TLSH T147C3FC10D060C37EE4A240FAC7E90DBDB8358E60235645C772C23F796B95EE5AB31B69
- MD5 SHA1 SHA512 SSDEEP TLSH