farfli | cc0ce96df5851518bb8ce24e4774f6edbbcb008d8944f794ff65392d52859173

Analysis

max time kernel
150s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
29/06/2026, 22:15

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General

Target
2026-06-25_59aabbb8fb8d171692c89f37ff0aa2c4_elex_strictor_wannacry.exe
Size 156KB
Sample260629-16feaahw6j
SHA256 cc0ce96df5851518bb8ce24e4774f6edbbcb008d8944f794ff65392d52859173
MD5 59aabbb8fb8d171692c89f37ff0aa2c4
SHA1 1d1259c6607587f04955a864222f711f57edb6ee
SHA512 23487a6ad137003e5db157d01a5e1eec50c3a0e1488934f7ffc96eb2316019bdb3266c8ac5eb2c3bdced702e54dd31f44731e137c3f43a20019d1dcd7339bcc6
SSDEEP 3072:x7qLZmhWAc+eB1zQavj53G2pPH+knVojoA8HBoJgTWVO:xQAPevzQav122xjVAZ8mGTF
TLSH
T16FF3AE11A7D3897AE4765F764E775A63D63DBC11C730A2D7A38C581E8E31FA0AE20309
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

aspackv2 backdoor bootkit discovery farfli persistence spyware stealer

Malware Config

Signatures

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

Detects Farfli Backdoor 7 IoCs

resource	yara_rule
behavioral2/memory/6160-9-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral2/memory/6160-8-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral2/memory/6160-7-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral2/memory/6160-10-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral2/memory/6160-12-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral2/memory/6160-13-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral2/memory/6160-14-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 7 IoCs

resource	yara_rule
behavioral2/memory/6160-9-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/6160-8-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/6160-7-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/6160-10-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/6160-12-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/6160-13-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/6160-14-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

Badlisted process makes network request 9 IoCs

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

flow	pid	Process
1	6160	rundll32.exe
2	6160	rundll32.exe
4	6160	rundll32.exe
3	6160	rundll32.exe
7	6160	rundll32.exe
8	6160	rundll32.exe
10	6160	rundll32.exe
11	6160	rundll32.exe
12	6160	rundll32.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000d00000001c695-4.dat	aspack_v212_v242

Deletes itself 1 IoCs

pid	Process
4488	qbjutfeb.exe

Executes dropped EXE 1 IoCs

pid	Process
4488	qbjutfeb.exe

Loads dropped DLL 1 IoCs

pid	Process
6160	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-1-5-21-759331733-200834466-1207319849-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\cprxocv\\qzjznb.zzq\",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)	\??\l:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\d:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\k:	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)	\??\s:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\h:	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

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	2026-06-25_59aabbb8fb8d171692c89f37ff0aa2c4_elex_strictor_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	qbjutfeb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.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
6088	cmd.exe
2756	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
2756	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe
6160	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	6160	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2856	2026-06-25_59aabbb8fb8d171692c89f37ff0aa2c4_elex_strictor_wannacry.exe
4488	qbjutfeb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 6088	2856	2026-06-25_59aabbb8fb8d171692c89f37ff0aa2c4_elex_strictor_wannacry.exe	88
PID 6088 wrote to memory of 2756	6088	cmd.exe	90
PID 6088 wrote to memory of 4488	6088	cmd.exe	91
PID 4488 wrote to memory of 6160	4488	qbjutfeb.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-06-25_59aabbb8fb8d171692c89f37ff0aa2c4_elex_strictor_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-25_59aabbb8fb8d171692c89f37ff0aa2c4_elex_strictor_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\qbjutfeb.exe "C:\Users\Admin\AppData\Local\Temp\2026-06-25_59aabbb8fb8d171692c89f37ff0aa2c4_elex_strictor_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:6088
- - 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:2756
- - C:\Users\Admin\AppData\Local\Temp\qbjutfeb.exe
    C:\Users\Admin\AppData\Local\Temp\\qbjutfeb.exe "C:\Users\Admin\AppData\Local\Temp\2026-06-25_59aabbb8fb8d171692c89f37ff0aa2c4_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:4488
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\cprxocv\qzjznb.zzq",SHA1 C:\Users\Admin\AppData\Local\Temp\qbjutfeb.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:6160

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

qbjutfeb.exe

Path C:\Users\Admin\AppData\Local\Temp\qbjutfeb.exe
Size 156KB
SHA256 f7b68cd3c47938b37b82f243da0940b526182b9fcfc2cf71864c2d28f51e1878
MD5 bcb7d4c8d36f6e529d33fb4dceff8ace
SHA1 a59aac489971a9e7bc8111824e7139907acfde5b
SHA512 f921dde7ed2dd1108eae92821bd5091f9879e22beed2f2c7309f224d55d70aa1cd373378eb04b7e1cf36f6699944b38f3c643ad89ba4f59f01359196d57f1811
SSDEEP 3072:x7qLZmhWAc+eB1zQavj53G2pPH+knVojoA8HBoJgTWVH:xQAPevzQav122xjVAZ8mGTI
TLSH
T1ECF3AE11A7D3897AE4765F764E775A63D63DBC11C730A2D7A38C581E8E31FA0AE20309
MD5 SHA1 SHA512 SSDEEP TLSH

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qzjznb.zzq

Path \??\c:\cprxocv\qzjznb.zzq
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/6160-6-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/6160-9-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/6160-8-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/6160-7-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/6160-10-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/6160-12-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/6160-13-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/6160-14-0x0000000010000000-0x0000000010027000-memory.dmp

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