farfli | e899675380fc775d4902023241824ecb719759b4e98ed0be8fc9babe71ec9654

Analysis

max time kernel
148s
max time network
137s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/08/2026, 23:40

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General

Target
2026-08-30_ffd4b4550b0823a0b80cf80c7115968c_coinminer_elex_wannacry.exe
Size 407KB
Sample260830-3n73pabl5s
SHA256 e899675380fc775d4902023241824ecb719759b4e98ed0be8fc9babe71ec9654
MD5 ffd4b4550b0823a0b80cf80c7115968c
SHA1 d1c24709ce901bacb5e930e2ba2fe3ed25b93ee9
SHA512 d86a90501d9ed0f1b32c5925fa82539e75b261b20deb13d42e8b5db2314bd711965851b071fa822ca5018c39929d7dee6da9f15c6e7371de1977d21d2eb42957
SSDEEP 12288:zdDU6g13sJd1fm/+yb3O2js82ydU/DdKum4:zdE3sJd1fm/+yb3OYs84/JHd
TLSH
T1F294AF01E7C351D6DE82257081FA7376B3789A4D0F12CBE3BB68EE2E6E211D1953B119
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 4 IoCs

resource	yara_rule
behavioral2/memory/4580-10-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/4580-11-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/4580-13-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli
behavioral2/memory/4580-16-0x0000000010000000-0x0000000010033000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 4 IoCs

resource	yara_rule
behavioral2/memory/4580-10-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4580-11-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4580-13-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4580-16-0x0000000010000000-0x0000000010033000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 9 IoCs

resource	yara_rule
behavioral2/memory/2036-0-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/memory/2036-2-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/files/0x0006000000016b3a-3.dat	UPX
behavioral2/memory/5496-7-0x0000000000400000-0x0000000000471000-memory.dmp	UPX
behavioral2/files/0x001500000001c329-8.dat	UPX
behavioral2/memory/4580-10-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/4580-11-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/4580-13-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/4580-16-0x0000000010000000-0x0000000010033000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
5496	dffsfvw.exe

Executes dropped EXE 2 IoCs

pid	Process
5496	dffsfvw.exe
4580	scw.exe

Loads dropped DLL 1 IoCs

pid	Process
4580	scw.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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\VIEW = "c:\\Program Files\\suqobh\\scw.exe \"c:\\Program Files\\suqobh\\scwpu.dll\",Viewer"	scw.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)	\??\g:	scw.exe
File opened (read-only)	\??\p:	scw.exe
File opened (read-only)	\??\q:	scw.exe
File opened (read-only)	\??\s:	scw.exe
File opened (read-only)	\??\w:	scw.exe
File opened (read-only)	\??\x:	scw.exe
File opened (read-only)	\??\a:	scw.exe
File opened (read-only)	\??\i:	scw.exe
File opened (read-only)	\??\j:	scw.exe
File opened (read-only)	\??\o:	scw.exe
File opened (read-only)	\??\r:	scw.exe
File opened (read-only)	\??\t:	scw.exe
File opened (read-only)	\??\v:	scw.exe
File opened (read-only)	\??\b:	scw.exe
File opened (read-only)	\??\d:	scw.exe
File opened (read-only)	\??\h:	scw.exe
File opened (read-only)	\??\n:	scw.exe
File opened (read-only)	\??\u:	scw.exe
File opened (read-only)	\??\y:	scw.exe
File opened (read-only)	\??\z:	scw.exe
File opened (read-only)	\??\k:	scw.exe
File opened (read-only)	\??\l:	scw.exe
File opened (read-only)	\??\m:	scw.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	scw.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	\??\c:\Program Files\suqobh\scwpu.dll	dffsfvw.exe
File created	\??\c:\Program Files\suqobh\scw.exe	dffsfvw.exe
File opened for modification	\??\c:\Program Files\suqobh	dffsfvw.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.

execution

Windows Command Shell

T1059.003

pid	Process
5784	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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-30_ffd4b4550b0823a0b80cf80c7115968c_coinminer_elex_wannacry.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	dffsfvw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	scw.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
5784	cmd.exe
4184	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	scw.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	scw.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4184	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4580	scw.exe
4580	scw.exe
4580	scw.exe
4580	scw.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4580	scw.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2036	2026-08-30_ffd4b4550b0823a0b80cf80c7115968c_coinminer_elex_wannacry.exe
5496	dffsfvw.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 5784	2036	2026-08-30_ffd4b4550b0823a0b80cf80c7115968c_coinminer_elex_wannacry.exe	90
PID 5784 wrote to memory of 4184	5784	cmd.exe	92
PID 5784 wrote to memory of 5496	5784	cmd.exe	93
PID 5496 wrote to memory of 4580	5496	dffsfvw.exe	94

C:\Users\Admin\AppData\Local\Temp\2026-08-30_ffd4b4550b0823a0b80cf80c7115968c_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-30_ffd4b4550b0823a0b80cf80c7115968c_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\dffsfvw.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-30_ffd4b4550b0823a0b80cf80c7115968c_coinminer_elex_wannacry.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:5784
- - 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:4184
- - C:\Users\Admin\AppData\Local\Temp\dffsfvw.exe
    C:\Users\Admin\AppData\Local\Temp\\dffsfvw.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-30_ffd4b4550b0823a0b80cf80c7115968c_coinminer_elex_wannacry.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:5496
  - - \??\c:\Program Files\suqobh\scw.exe
      "c:\Program Files\suqobh\scw.exe" "c:\Program Files\suqobh\scwpu.dll",Viewer C:\Users\Admin\AppData\Local\Temp\dffsfvw.exe
      4⤵
      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:4580

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

scw.exe

Path C:\Program Files\suqobh\scw.exe
Size 51KB
SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
MD5 2e068ce2770fde8d1af4cb114b98df1f
SHA1 b6f9c2775babb025b22f915c3047aa627d07c312
SHA512 998d695eb56375e63df7db16740b89deb2cf630ccbead8bcf84a921ec6f4a4f9aef2755b703f7190f332b2008ebcc949363bcf8f392d7d07246c255b5073ed35
SSDEEP 1536:6G9yoVEpHP29I3fbcJboSUge5N+CnC/maz9Rh:8pv2mbcJboce58wvOR
TLSH
T137336C236A0A49B3DFE231780A9D7232526DD862075541F7A61057EAFD243E2EE743CF
MD5 SHA1 SHA512 SSDEEP TLSH

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dffsfvw.exe

Path C:\Users\Admin\AppData\Local\Temp\dffsfvw.exe
Size 407KB
SHA256 2d56ae892f87cc014d9cd8d6b55edb6ab0a0340cb538f3668757530e07d91daf
MD5 69b36b3212798d5047677097a2013c80
SHA1 e54745fd4b008dacda1bd45b8b110fc0837c4942
SHA512 541749b393bc2f1cb26acd4abe4214ea09b33a4046936bb31f5bd4df65c2d6474e1c47e3e28366fd45d3cd0ae2ed41950aff0dc46c6ae0df45d807f681625910
SSDEEP 12288:zdDU6g13sJd1fm/+yb3O2js82ydU/DdKum4y:zdE3sJd1fm/+yb3OYs84/JHdy
TLSH
T13394AF01E7C351D6DE82257081FA7376B3789A4D0F12CBE3BB68EE2E6E211D1953B119
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

scwpu.dll

Path \??\c:\Program Files\suqobh\scwpu.dll
Size 89KB
SHA256 60d71a7892e65327772d6f7bffa0a4accd27772eb14d87c1f74b2d547af26a0a
MD5 8e722390bd354e0bdd24ff825121f8e4
SHA1 b2ba7a5658af5fd0a74dde57682d583536358d06
SHA512 7e5b77117e8f67e48495aaff85e4ac231268b80497a054cc74fbb631475b2d0e29ae198d824b592804db911f6b8d8b4c384f70cd2bac71892ed298779d2791d6
SSDEEP 1536:XHXqO6ZG03eyenOj9lgA/PObuTMT5NMCfL7ojaZf5aZlBlGJ:M1uF6Feu2NlQOBcGJ
TLSH
T1D89302C45669CD8BCCD87072727FAA4EE631D4CCB941ACB34A5E13A31A36AE3D01B705
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2036-0-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/2036-2-0x0000000000400000-0x0000000000471000-memory.dmp

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memory/4580-10-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/4580-11-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/4580-13-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/4580-16-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/5496-7-0x0000000000400000-0x0000000000471000-memory.dmp

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