farfli | 7164c630e835957945465e7d97c3acc330542551877f2437fbb0820e7e32742c

Analysis

max time kernel
149s
max time network
140s
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, 22:59

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General

Target
2026-08-21_e0ad647dff9b08d6ba924c5f9a705da5_elex_strictor_wannacry.exe
Size 157KB
Sample260821-2yctvsdf73
SHA256 7164c630e835957945465e7d97c3acc330542551877f2437fbb0820e7e32742c
MD5 e0ad647dff9b08d6ba924c5f9a705da5
SHA1 14807c6f82f3e17019aa9c24747121f1b6d1a401
SHA512 24e1a69115a8837deba69d63519bae5dff1cea2540ac49e8016e23d04f963585a3f6a72ddfc4620bb67185a96377d73f38c064dfaf38fe07d1c3bd7ebb28ea31
SSDEEP 3072:x7qLZmhWAc+eB1zQavj53G2pPH+knVojoA8HBoJgTWV2:xQAPevzQav122xjVAZ8mGTt
TLSH
T1DEF3AE11A7D3897AE8765F764E771A63963DBC11CB30A1D7A38D581F8E31FA0AE20305
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 7 IoCs

resource	yara_rule
behavioral1/memory/2176-10-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral1/memory/2176-9-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral1/memory/2176-8-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral1/memory/2176-11-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral1/memory/2176-13-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral1/memory/2176-15-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli
behavioral1/memory/2176-16-0x0000000010000000-0x0000000010027000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 7 IoCs

resource	yara_rule
behavioral1/memory/2176-10-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2176-9-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2176-8-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2176-11-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2176-13-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2176-15-0x0000000010000000-0x0000000010027000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/2176-16-0x0000000010000000-0x0000000010027000-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
5	2176	rundll32.exe
11	2176	rundll32.exe
12	2176	rundll32.exe
13	2176	rundll32.exe
29	2176	rundll32.exe
31	2176	rundll32.exe
42	2176	rundll32.exe
50	2176	rundll32.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x00080000000243e0-5.dat	aspack_v212_v242

Deletes itself 1 IoCs

pid	Process
4864	mwroc.exe

Executes dropped EXE 1 IoCs

pid	Process
4864	mwroc.exe

Loads dropped DLL 1 IoCs

pid	Process
2176	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-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\xhvdactqk\\udqgccd.dgu\",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)	\??\e:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\r:	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)	\??\i:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\o:	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
5088	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	mwroc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-21_e0ad647dff9b08d6ba924c5f9a705da5_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
2796	PING.EXE
5088	cmd.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
2796	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe
2176	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2176	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3988	2026-08-21_e0ad647dff9b08d6ba924c5f9a705da5_elex_strictor_wannacry.exe
4864	mwroc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3988 wrote to memory of 5088	3988	2026-08-21_e0ad647dff9b08d6ba924c5f9a705da5_elex_strictor_wannacry.exe	85
PID 5088 wrote to memory of 2796	5088	cmd.exe	87
PID 5088 wrote to memory of 4864	5088	cmd.exe	88
PID 4864 wrote to memory of 2176	4864	mwroc.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-21_e0ad647dff9b08d6ba924c5f9a705da5_elex_strictor_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-21_e0ad647dff9b08d6ba924c5f9a705da5_elex_strictor_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3988
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\mwroc.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-21_e0ad647dff9b08d6ba924c5f9a705da5_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:5088
- - 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:2796
- - C:\Users\Admin\AppData\Local\Temp\mwroc.exe
    C:\Users\Admin\AppData\Local\Temp\\mwroc.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-21_e0ad647dff9b08d6ba924c5f9a705da5_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:4864
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\xhvdactqk\udqgccd.dgu",SHA1 C:\Users\Admin\AppData\Local\Temp\mwroc.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:2176

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

mwroc.exe

Path C:\Users\Admin\AppData\Local\Temp\mwroc.exe
Size 158KB
SHA256 1447cef545511f5bbaa6dca018c69dd1bc179d4ce1a47a4d6c45ce2d8bbb2782
MD5 ddc6319b2556745d661d81e7c9065cc3
SHA1 8577dd38ef66bf6f55756426b875c8eb1dd2d699
SHA512 fe89ae437e25166d637aa5b00f04b840eece3b687b8bb30540684825aec44d2860ff0e2347f711cf2e10009a21b631e3e09be6634a462010a695310c0b3f7a5e
SSDEEP 3072:x7qLZmhWAc+eB1zQavj53G2pPH+knVojoA8HBoJgTWVW:xQAPevzQav122xjVAZ8mGTb
TLSH
T17CF3AE11A7D3897AE8765F764E771A63963CBC11CB34A1D7A38D581F8E30FA0AE20305
MD5 SHA1 SHA512 SSDEEP TLSH

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udqgccd.dgu

Path \??\c:\xhvdactqk\udqgccd.dgu
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/2176-7-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/2176-10-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/2176-9-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/2176-8-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/2176-11-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/2176-13-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/2176-15-0x0000000010000000-0x0000000010027000-memory.dmp

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memory/2176-16-0x0000000010000000-0x0000000010027000-memory.dmp

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