farfli | 35a8e8ec8eca3bf3060b3ecedf25c25494228caa8d4e213aa849bdb90b1f8c7e

Analysis

max time kernel
149s
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
25/08/2026, 09:19

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General

Target
35a8e8ec8eca3bf3060b3ecedf25c25494228caa8d4e213aa849bdb90b1f8c7e.exe
Size 281KB
Sample260825-lack7azbph
SHA256 35a8e8ec8eca3bf3060b3ecedf25c25494228caa8d4e213aa849bdb90b1f8c7e
MD5 d45b7f7d8a469c1c40e44ad57c982e92
SHA1 70049663cf1ac25755ca01b729be77c74a69bafe
SHA512 7caaf5a866aa70778610e2e7f07b1737692a8f755aed27177c4604bd5e70b97e36b67bc04073020d936c51c49816715754ccce72d431c54424aaf2a9e6faaf6a
SSDEEP 6144:gQJf3uMxrbLgEN6S7KzA5x3S5+y3D82oC0UdkgxgfOqsG7Hj:nJ130ENL7kArI+y3XipfOK7D
TLSH
T15E5412E02A68C41FF0A10572D5A976336BB1DCC0AC6607279BD17B1EB9E541BFA34732
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery execution farfli persistence spyware stealer

Malware Config

Signatures

Family: Farfli
Farfli is a Windows backdoor written in C++.
backdoor farfli

Detects Farfli Backdoor 3 IoCs

resource	yara_rule
behavioral1/memory/988-17-0x0000000010000000-0x0000000010054000-memory.dmp	family_farfli
behavioral1/memory/988-19-0x0000000010000000-0x0000000010054000-memory.dmp	family_farfli
behavioral1/memory/988-22-0x0000000010000000-0x0000000010054000-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
2	988	rundll32.exe
8	988	rundll32.exe
10	988	rundll32.exe
11	988	rundll32.exe
23	988	rundll32.exe
28	988	rundll32.exe
40	988	rundll32.exe
59	988	rundll32.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Control Panel\International\Geo\Nation	rundll32.exe

Deletes itself 1 IoCs

pid	Process
1668	rwdsgx.exe

Executes dropped EXE 3 IoCs

pid	Process
1668	rwdsgx.exe
540	wiseman.exe
4792	wiseman.exe

Loads dropped DLL 1 IoCs

pid	Process
988	rundll32.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\iqzqs\\orimg.rmo\",RAFlush"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Wiseman = "C:\\wiseman.exe"	wiseman.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\x:	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.

bootkit persistence

Bootkit

T1542.003

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).

System Information Discovery
T1082

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.

execution

Windows Command Shell

T1059.003

pid	Process
4904	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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	35a8e8ec8eca3bf3060b3ecedf25c25494228caa8d4e213aa849bdb90b1f8c7e.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	rwdsgx.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

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4904	cmd.exe
1600	PING.EXE

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

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

Remote System Discovery

T1018

pid	Process
1600	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe
988	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	988	rundll32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4108	35a8e8ec8eca3bf3060b3ecedf25c25494228caa8d4e213aa849bdb90b1f8c7e.exe
1668	rwdsgx.exe
540	wiseman.exe
4792	wiseman.exe
540	wiseman.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4108 wrote to memory of 4904	4108	35a8e8ec8eca3bf3060b3ecedf25c25494228caa8d4e213aa849bdb90b1f8c7e.exe	85
PID 4904 wrote to memory of 1600	4904	cmd.exe	87
PID 4904 wrote to memory of 1668	4904	cmd.exe	88
PID 1668 wrote to memory of 988	1668	rwdsgx.exe	89
PID 988 wrote to memory of 540	988	rundll32.exe	90

C:\Users\Admin\AppData\Local\Temp\35a8e8ec8eca3bf3060b3ecedf25c25494228caa8d4e213aa849bdb90b1f8c7e.exe
"C:\Users\Admin\AppData\Local\Temp\35a8e8ec8eca3bf3060b3ecedf25c25494228caa8d4e213aa849bdb90b1f8c7e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4108
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\rwdsgx.exe "C:\Users\Admin\AppData\Local\Temp\35a8e8ec8eca3bf3060b3ecedf25c25494228caa8d4e213aa849bdb90b1f8c7e.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:4904
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1600
- - C:\Users\Admin\AppData\Local\Temp\rwdsgx.exe
    C:\Users\Admin\AppData\Local\Temp\\rwdsgx.exe "C:\Users\Admin\AppData\Local\Temp\35a8e8ec8eca3bf3060b3ecedf25c25494228caa8d4e213aa849bdb90b1f8c7e.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1668
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\iqzqs\orimg.rmo",RAFlush C:\Users\Admin\AppData\Local\Temp\rwdsgx.exe
      4⤵
      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:988
    - - 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:540

C:\wiseman.exe
C:\wiseman.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4792

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

rwdsgx.exe

Path C:\Users\Admin\AppData\Local\Temp\rwdsgx.exe
Size 281KB
SHA256 e904f70e3d2364231ae07bea9b0a5c1564eb124e788e5cecced94db8feb4b0e7
MD5 476a700146ea45a4d743a85fc3854fe3
SHA1 218a229dc252c6b263109982f04746727c4690a7
SHA512 85d074ee916a750437f6875b24efb7f9990aaef0a9a88c9ea1b4582bc1b2d07b7717f7daf86864e240d23c56abb347130929953e36259bbba53e7b2e2feb8cc3
SSDEEP 6144:gQJf3uMxrbLgEN6S7KzA5x3S5+y3D82oC0UdkgxgfOqsG7HB:nJ130ENL7kArI+y3XipfOK7h
TLSH
T18B5412A02A68C41FF0A10572D69976336BF1DCC0AC6607279BD17B1EB9E541BFA34732
MD5 SHA1 SHA512 SSDEEP TLSH

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wiseman.exe

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

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orimg.rmo

Path \??\c:\iqzqs\orimg.rmo
Size 155KB
SHA256 ec6ef50587a847d4a655e9bfc5c1aee4078005c0774a3e6fa23949cc4d8fbad3
MD5 20e7a8b973ac2b43c95ddb77308266c9
SHA1 e46e6ea272ae628d15bfb7b71ff40e3950fd2e85
SHA512 60b585b2de46ac412577eb590916d282bf3f25ba1196362a97c12620c3b6eb94a78e3faac182305002790bb9c3705a346e54508b644d3e9329201fcb4bad0fd6
SSDEEP 3072:YuTByM2ViNpg032aUgrhoiFmyt8KDZS1:ZByMnN+3d1
TLSH
T10FF36D1163FD4618F5F7BF356EB54A605E3ABC62AE38CB0C1650504E59B1F60DAB0B23
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/988-13-0x0000000010000000-0x0000000010054000-memory.dmp

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memory/988-17-0x0000000010000000-0x0000000010054000-memory.dmp

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memory/988-19-0x0000000010000000-0x0000000010054000-memory.dmp

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memory/988-22-0x0000000010000000-0x0000000010054000-memory.dmp

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memory/1668-7-0x0000000000400000-0x000000000049E01B-memory.dmp

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memory/1668-10-0x0000000000400000-0x000000000049E01B-memory.dmp

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memory/4108-0-0x0000000000400000-0x000000000049E01B-memory.dmp

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memory/4108-2-0x0000000000400000-0x000000000049E01B-memory.dmp

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