farfli | b24e25a7b760798f925ef9de7678d039994b3beed1325336a93c88f386b9683c

Analysis

max time kernel
150s
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
11/08/2026, 22:44

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General

Target
2026-08-11_67f894fdfcea9b3f570992ecf869bef3_elex_strictor_wannacry.exe
Size 157KB
Sample260811-2ntpmahb47
SHA256 b24e25a7b760798f925ef9de7678d039994b3beed1325336a93c88f386b9683c
MD5 67f894fdfcea9b3f570992ecf869bef3
SHA1 519bc13ee912159c09e06264ee78fd971b389b93
SHA512 b455d7d2286a9df2d6d7ae08c75070d80f2a606f61f08f6b82f9a4ca56a6f58f5ed421dd071ee27259b5a3ee4209ce3238cb91e17651571f56fd537337665500
SSDEEP 3072:x7qLZmhWAc+eB1zQavj53G2pPH+knVojoA8HBoJgTWVk:xQAPevzQav122xjVAZ8mGTZ
TLSH
T1C6F3AE11A7D3897AE8765F764E771A63963DBC11CB3092D7A38D5C1F8E31FA0AA20305
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

aspackv2 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 8 IoCs

resource	yara_rule
behavioral2/memory/4744-7-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral2/memory/4744-8-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral2/memory/4744-9-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral2/memory/4744-10-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral2/memory/4744-12-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral2/memory/4744-13-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral2/memory/4744-14-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral2/memory/4744-15-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 8 IoCs

resource	yara_rule
behavioral2/memory/4744-7-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4744-8-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4744-9-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4744-10-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4744-12-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4744-13-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4744-14-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4744-15-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

Badlisted process makes network request 8 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
1	4744	rundll32.exe
2	4744	rundll32.exe
3	4744	rundll32.exe
4	4744	rundll32.exe
5	4744	rundll32.exe
6	4744	rundll32.exe
7	4744	rundll32.exe
8	4744	rundll32.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x001300000001c46a-4.dat	aspack_v212_v242

Deletes itself 1 IoCs

pid	Process
4872	tlppa.exe

Executes dropped EXE 1 IoCs

pid	Process
4872	tlppa.exe

Loads dropped DLL 1 IoCs

pid	Process
4744	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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\zasjmjsxz\\ewzeejy.wee\",SHA1"	rundll32.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)	\??\i:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\d:	rundll32.exe
File opened (read-only)	\??\g:	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

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
3468	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tlppa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-11_67f894fdfcea9b3f570992ecf869bef3_elex_strictor_wannacry.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
3468	cmd.exe
5044	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
5044	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe
4744	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4744	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3820	2026-08-11_67f894fdfcea9b3f570992ecf869bef3_elex_strictor_wannacry.exe
4872	tlppa.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3820 wrote to memory of 3468	3820	2026-08-11_67f894fdfcea9b3f570992ecf869bef3_elex_strictor_wannacry.exe	90
PID 3468 wrote to memory of 5044	3468	cmd.exe	92
PID 3468 wrote to memory of 4872	3468	cmd.exe	93
PID 4872 wrote to memory of 4744	4872	tlppa.exe	94

C:\Users\Admin\AppData\Local\Temp\2026-08-11_67f894fdfcea9b3f570992ecf869bef3_elex_strictor_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-11_67f894fdfcea9b3f570992ecf869bef3_elex_strictor_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3820
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\tlppa.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-11_67f894fdfcea9b3f570992ecf869bef3_elex_strictor_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:3468
- - 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:5044
- - C:\Users\Admin\AppData\Local\Temp\tlppa.exe
    C:\Users\Admin\AppData\Local\Temp\\tlppa.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-11_67f894fdfcea9b3f570992ecf869bef3_elex_strictor_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4872
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\zasjmjsxz\ewzeejy.wee",SHA1 C:\Users\Admin\AppData\Local\Temp\tlppa.exe
      4⤵
      Badlisted process makes network request
      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:4744

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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tlppa.exe

Path C:\Users\Admin\AppData\Local\Temp\tlppa.exe
Size 157KB
SHA256 278fa060274e4cb117498788aa979cbe9186c7e682feee2f50dbbeaadf91f98e
MD5 7aae4f2db0bf82f9134071492fe99fc1
SHA1 68bafaafce2793760f60a44132805db89df6ab8a
SHA512 a8c891c0b84569126a6e6ee56bbb577e4cf3fae559b095a6afef9dbc4e2e07da3e2a13a40157f22a96dea3d52d57fb9e95fa825d7f22103e63aed2896e8b331c
SSDEEP 3072:x7qLZmhWAc+eB1zQavj53G2pPH+knVojoA8HBoJgTWVY:xQAPevzQav122xjVAZ8mGTr
TLSH
T1E9F3AE11A7D3897AE8765F764E771A63963CBC11CB3492D7A38D5C1F8E31FA0AA20305
MD5 SHA1 SHA512 SSDEEP TLSH

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ewzeejy.wee

Path \??\c:\zasjmjsxz\ewzeejy.wee
Size 83KB
SHA256 489855558b5a997477f7c95a05e7adcbf6001e06bd80e29b01fdabdb006cdbbb
MD5 4993bd7ca91574843d5a608c532151a4
SHA1 72ff0d8e4ccee88738b3ab8bdb52b9474e0ef55e
SHA512 13418193723dace324d5b91a8162a09521640bc6e401c841bb0644de8ec9a762912f2afd588be8845a30b2f59ac10ab2eaa0b356068d1503792a30a826ed075c
SSDEEP 1536:gsK+5Zq1Wcd2M8D2BIvpEAqKfWD+3KtlAusG:lKgcd23D2BIRdwvvW
TLSH
T11983BE42BA950BBED0B912B604A2DB7543763C00EA2D978B31DD0DAF3E9419D4F753A8
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4744-6-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/4744-7-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/4744-8-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/4744-9-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/4744-10-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/4744-12-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/4744-13-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/4744-14-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/4744-15-0x0000000010000000-0x0000000010027000-memory.dmp

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