Analysis
- max time kernel
149s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
21/08/2026, 11:15
Static task
static1
Behavioral task
behavioral1
Sample
2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0.exe
Resource
win10v2004-20260513-en
General
- Target 2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0.exe
- Size 231KB
- Sample260821-ncm6taba95
- SHA256 2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0
- MD5 1f6e2e7099ad0fdc5beb00d1f622c19a
- SHA1 5942b8d96c1b9bbadedd965a7f721f0f44a8ba8f
- SHA512 334bb42b9bd9c34bbd7515a2c5c40e92fb8570cd2aac50c8f7132699e5caadd56f2673719b221f515f849debfadc12b18037f18eff0f84efc00d8cf6ba99e2fa
- SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTFU:X2vnSwjaOcADw9cUeCOfU
- TLSH T17D340200DBB2F5E8D44824BA0787D310E6E1DCDE7B73677143D5E22FAB41F1AA4AA194
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
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gh0strat
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107.163.241.193:6520
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http://107.163.241.181:16300/
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http://107.163.241.182:12354/login.php
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user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C))
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0)
Signatures
- Detects Farfli Backdoor 4 IoCs
resource yara_rule behavioral1/memory/2360-19-0x0000000010000000-0x000000001004E000-memory.dmp family_farfli behavioral1/memory/2360-20-0x0000000010000000-0x000000001004E000-memory.dmp family_farfli behavioral1/memory/2360-22-0x0000000010000000-0x000000001004E000-memory.dmp family_farfli behavioral1/memory/2360-25-0x0000000010000000-0x000000001004E000-memory.dmp family_farfli - Deletes itself 1 IoCs
pid Process 4284 oudcqyirr.exe - Executes dropped EXE 2 IoCs
pid Process 4284 oudcqyirr.exe 2360 stste.exe - Loads dropped DLL 1 IoCs
pid Process 2360 stste.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 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\hpaoff\\stste.exe \"c:\\Program Files\\hpaoff\\stste.dll\",Compliance" stste.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) \??\o: stste.exe File opened (read-only) \??\t: stste.exe File opened (read-only) \??\u: stste.exe File opened (read-only) \??\z: stste.exe File opened (read-only) \??\j: stste.exe File opened (read-only) \??\m: stste.exe File opened (read-only) \??\p: stste.exe File opened (read-only) \??\v: stste.exe File opened (read-only) \??\a: stste.exe File opened (read-only) \??\q: stste.exe File opened (read-only) \??\r: stste.exe File opened (read-only) \??\w: stste.exe File opened (read-only) \??\x: stste.exe File opened (read-only) \??\e: stste.exe File opened (read-only) \??\h: stste.exe File opened (read-only) \??\i: stste.exe File opened (read-only) \??\k: stste.exe File opened (read-only) \??\l: stste.exe File opened (read-only) \??\s: stste.exe File opened (read-only) \??\y: stste.exe File opened (read-only) \??\b: stste.exe File opened (read-only) \??\g: stste.exe File opened (read-only) \??\n: stste.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 stste.exe - Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification \??\c:\Program Files\hpaoff oudcqyirr.exe File created \??\c:\Program Files\hpaoff\stste.dll oudcqyirr.exe File created \??\c:\Program Files\hpaoff\stste.exe oudcqyirr.exe File opened for modification \??\c:\Program Files\hpaoff\stste.exe oudcqyirr.exe - 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 1452 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 5 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 2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0.exe 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 oudcqyirr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language stste.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1452 cmd.exe 1880 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 stste.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString stste.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 1880 PING.EXE - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2360 stste.exe 2360 stste.exe 2360 stste.exe 2360 stste.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2360 stste.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1436 2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0.exe 4284 oudcqyirr.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1436 wrote to memory of 1452 1436 2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0.exe 86 PID 1452 wrote to memory of 1880 1452 cmd.exe 88 PID 1452 wrote to memory of 4284 1452 cmd.exe 89 PID 4284 wrote to memory of 2360 4284 oudcqyirr.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0.exe"C:\Users\Admin\AppData\Local\Temp\2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1436 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\oudcqyirr.exe "C:\Users\Admin\AppData\Local\Temp\2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0.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:1452 -
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:1880
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C:\Users\Admin\AppData\Local\Temp\oudcqyirr.exeC:\Users\Admin\AppData\Local\Temp\\oudcqyirr.exe "C:\Users\Admin\AppData\Local\Temp\2943dbb6d6e96d413355e5559ac7be932efa00d968e1d682b38811cc447d44c0.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4284 -
\??\c:\Program Files\hpaoff\stste.exe"c:\Program Files\hpaoff\stste.exe" "c:\Program Files\hpaoff\stste.dll",Compliance C:\Users\Admin\AppData\Local\Temp\oudcqyirr.exe4⤵
- Executes dropped EXE
- 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
PID:2360
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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\oudcqyirr.exe
- Size 231KB
- SHA256 b2c3f2c42edf58aa7d94e0789a9dc1c497ea2be83bbe90ca237e0c8ccfffce1b
- MD5 b85eb5dfb42db0443872c94fffbdde60
- SHA1 e42b362c62a3ab5e9df421131507fdf360782a43
- SHA512 213feb9986916780aaf006477d46ff2a9a6c6e395d21bbce383ebca4cf7c060aa78fa857557ad0daacbb3478c31c3709c916d7a0b9fa8f17217353154a1b4be6
- SSDEEP 3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTFQ:X2vnSwjaOcADw9cUeCOfQ
- TLSH T1B5340200DBB2F5E8D448247A0787D310E6E1DCDE7B73677183D5E22FAB41F1AA4AA194
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\Program Files\hpaoff\stste.dll
- Size 141KB
- SHA256 013ba81199717b47a0182b175ca37919380847a68dc9c2fbe4ab7b0c8a08029a
- MD5 768d7c4274c9e190c0dff5686559cb53
- SHA1 7415cca6ab0582505bb799656cabf522d10cc592
- SHA512 61299b92e2a1d9909421f9bf58c3cdb6d98879464091ba3d84de7cdaf420ff5d3938d6a7ec4c2080dc7b0bd2461ed6aed1fb2b175bbb61162245dff5243a28a6
- SSDEEP 3072:RGmRmNJToTJfp2D1QzpSyiJEkGSPf1bc4lA:RGMmfToTJY6zpSyvkGSn1tlA
- TLSH T1A9E302E0E3A7C4B6C269573183937DF3162CF5346B18072EFD62A32769394C44B9DA1A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path \??\c:\Program Files\hpaoff\stste.exe
- Size 60KB
- SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
- MD5 889b99c52a60dd49227c5e485a016679
- SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
- SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
- SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
- TLSH T127532AC2FA00C171D4A7563019778F1A5766AC13DB728ACB94B0B4A41EB3291AD3E5FF
- MD5 SHA1 SHA512 SSDEEP TLSH