Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
23/08/2026, 07:20
Static task
static1
Behavioral task
behavioral1
Sample
26383b94acc60813ea937eeaec9ddd27311273af976b3a2e3fb42307943f247d.exe
Resource
win10v2004-20260513-en
General
- Target 26383b94acc60813ea937eeaec9ddd27311273af976b3a2e3fb42307943f247d.exe
- Size 651KB
- Sample260823-h58ekathmg
- SHA256 26383b94acc60813ea937eeaec9ddd27311273af976b3a2e3fb42307943f247d
- MD5 41865168793a0ab4b15cf6832617a123
- SHA1 87f20d7e51735325fd9a42bf505f2dc3237ca5a5
- SHA512 7111fa1ab860afabc86a4a5a81d2d6fb680eb5403dd166801f746cf5597b013ed4c9cb0bbf9ec8978ca2e6e84482af12b7404bdcde994dac6ae8381fb10107b8
- SSDEEP 6144:PQJf3uMxrbLgEN6S7KzA5x3S5+y3D82oC0UdkgxgfOq2:4J130ENL7kArI+y3XipfOf
- TLSH T194E412F11964E42FE09910B6E79DE83166E0DCC539A50B3293E4BB0EB3C590BF57A235
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Farfli Backdoor 3 IoCs
resource yara_rule behavioral1/memory/4344-17-0x0000000010000000-0x0000000010054000-memory.dmp family_farfli behavioral1/memory/4344-19-0x0000000010000000-0x0000000010054000-memory.dmp family_farfli behavioral1/memory/4344-21-0x0000000010000000-0x0000000010054000-memory.dmp family_farfli - Badlisted process makes network request 8 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 7 4344 rundll32.exe 30 4344 rundll32.exe 31 4344 rundll32.exe 32 4344 rundll32.exe 47 4344 rundll32.exe 50 4344 rundll32.exe 61 4344 rundll32.exe 64 4344 rundll32.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\Control Panel\International\Geo\Nation rundll32.exe - Deletes itself 1 IoCs
pid Process 4308 wivxn.exe - Executes dropped EXE 3 IoCs
pid Process 4308 wivxn.exe 2056 wiseman.exe 2752 wiseman.exe - Loads dropped DLL 1 IoCs
pid Process 4344 rundll32.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Wiseman = "C:\\wiseman.exe" wiseman.exe Set value (str) \REGISTRY\USER\S-1-5-21-889581200-2041691093-2048517887-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\oedtnu\\xvokr.vkx\",RAFlush" rundll32.exe - Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\r: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\w: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\m: rundll32.exe - Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 rundll32.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 1576 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 7 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wivxn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wiseman.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wiseman.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 26383b94acc60813ea937eeaec9ddd27311273af976b3a2e3fb42307943f247d.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1576 cmd.exe 3016 PING.EXE - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 3016 PING.EXE - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe 4344 rundll32.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4344 rundll32.exe - Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1700 26383b94acc60813ea937eeaec9ddd27311273af976b3a2e3fb42307943f247d.exe 4308 wivxn.exe 2056 wiseman.exe 2752 wiseman.exe 2056 wiseman.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1700 wrote to memory of 1576 1700 26383b94acc60813ea937eeaec9ddd27311273af976b3a2e3fb42307943f247d.exe 84 PID 1576 wrote to memory of 3016 1576 cmd.exe 86 PID 1576 wrote to memory of 4308 1576 cmd.exe 88 PID 4308 wrote to memory of 4344 4308 wivxn.exe 89 PID 4344 wrote to memory of 2056 4344 rundll32.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\26383b94acc60813ea937eeaec9ddd27311273af976b3a2e3fb42307943f247d.exe"C:\Users\Admin\AppData\Local\Temp\26383b94acc60813ea937eeaec9ddd27311273af976b3a2e3fb42307943f247d.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1700 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\wivxn.exe "C:\Users\Admin\AppData\Local\Temp\26383b94acc60813ea937eeaec9ddd27311273af976b3a2e3fb42307943f247d.exe"2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1576 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3016
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C:\Users\Admin\AppData\Local\Temp\wivxn.exeC:\Users\Admin\AppData\Local\Temp\\wivxn.exe "C:\Users\Admin\AppData\Local\Temp\26383b94acc60813ea937eeaec9ddd27311273af976b3a2e3fb42307943f247d.exe"3⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4308 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\oedtnu\xvokr.vkx",RAFlush C:\Users\Admin\AppData\Local\Temp\wivxn.exe4⤵
- Badlisted process makes network request
- Checks computer location settings
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4344 -
C:\wiseman.exe"C:\wiseman.exe"5⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2056
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C:\wiseman.exeC:\wiseman.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2752
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\wivxn.exe
- Size 652KB
- SHA256 72f92f435eeb24ad99ddb89b28cb03af5a6862c6b7267700671599ecd1bc57bc
- MD5 7fb6722d4ec876730d893e5994de2b78
- SHA1 4cf342d03b8e5df13057d0492a7add82d9a69afb
- SHA512 b0a2d1ba97ab03ed635c53046e62ef6a74a0a1525fd5c0208c0b2b89b0973974cb2564d87864b28e88253550e04d550a1b582232ed96cd386b5eecc0cb91ccdb
- SSDEEP 6144:PQJf3uMxrbLgEN6S7KzA5x3S5+y3D82oC0UdkgxgfOq:4J130ENL7kArI+y3XipfO
- TLSH T196E412F11964E42FE09910B6E79DE83166E0DCC539A50B3293E4BB0EB3C590BF57A235
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\oedtnu\xvokr.vkx
- Size 155KB
- SHA256 ec6ef50587a847d4a655e9bfc5c1aee4078005c0774a3e6fa23949cc4d8fbad3
- MD5 20e7a8b973ac2b43c95ddb77308266c9
- SHA1 e46e6ea272ae628d15bfb7b71ff40e3950fd2e85
- SHA512 60b585b2de46ac412577eb590916d282bf3f25ba1196362a97c12620c3b6eb94a78e3faac182305002790bb9c3705a346e54508b644d3e9329201fcb4bad0fd6
- SSDEEP 3072:YuTByM2ViNpg032aUgrhoiFmyt8KDZS1:ZByMnN+3d1
- TLSH T10FF36D1163FD4618F5F7BF356EB54A605E3ABC62AE38CB0C1650504E59B1F60DAB0B23
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\wiseman.exe
- Size 378KB
- SHA256 03505198d487e04a8ec82c627d34e4d9145f211140c4c8793b4461621e6bf6ce
- MD5 8f242369cf14f2b26ced131d7dd67144
- SHA1 d4f2f0f3047300ff5f36af6119ad5e109258fcd0
- SHA512 4516b3fa2f68e64baf166bc7731ba3bb0ca53d36d71ff8fa78b1f211d7c14fc4442af50bd637d0c3f11913583c9c66996101d6e8738592a053e82a78bbd771f5
- SSDEEP 6144:yraxNx1Gc9N6xJ/MO2N89M4qjGggUA0CthK1KLAb+AfQQIh+K+TuAubWq49OU/CU:ygVhNrAM1qgg2l
- TLSH T14B844C2152C61426E16B8232B4F7E3FAB53F940A56126BEBBB9CFE34C54E4533532349
- MD5 SHA1 SHA512 SSDEEP TLSH