farfli | bc3b3a08ec8fc04021291ec9fdee5f8616a2e210f9e00276ec9af90e52f80764

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
12/08/2026, 04:36

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General

Target
2026-08-12_5787998ada05f6acfc1b0076b324af15_elex_gh0st-rat_wannacry.exe
Size 544KB
Sample260812-e8f8psam4t
SHA256 bc3b3a08ec8fc04021291ec9fdee5f8616a2e210f9e00276ec9af90e52f80764
MD5 5787998ada05f6acfc1b0076b324af15
SHA1 eb8dae12b28a7ae6437b9788e1c7d9924df8ab41
SHA512 705ff5c690190ba3329b2711fee6e9d19f43a3dca46dcd3e9607cfd92138815ad63fd2ae8c129cb668b960de66909e4746e260ef931188fb93f884de01522e42
SSDEEP 6144:YBcsToNOF/VPzPnVu14MfrkEzmI0jL1cb71Xzb78:kcso2V7Pc4Mzpz10vCH1f78
TLSH
T1FFC41272356A0E4AE01692B0E7737D2DEA6DD90F35199A2B8F01140E98739174CFAF4F
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 2 IoCs

resource	yara_rule
behavioral1/memory/5088-9-0x0000000010000000-0x000000001007F000-memory.dmp	family_farfli
behavioral1/memory/5088-10-0x0000000010000000-0x000000001007F000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral1/memory/5088-9-0x0000000010000000-0x000000001007F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/5088-10-0x0000000010000000-0x000000001007F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

Badlisted process makes network request 15 IoCs

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

flow	pid	Process
3	5088	rundll32.exe
8	5088	rundll32.exe
9	5088	rundll32.exe
10	5088	rundll32.exe
11	5088	rundll32.exe
12	5088	rundll32.exe
20	5088	rundll32.exe
24	5088	rundll32.exe
32	5088	rundll32.exe
47	5088	rundll32.exe
56	5088	rundll32.exe
60	5088	rundll32.exe
70	5088	rundll32.exe
79	5088	rundll32.exe
80	5088	rundll32.exe

Deletes itself 1 IoCs

pid	Process
3788	sgelm.exe

Executes dropped EXE 1 IoCs

pid	Process
3788	sgelm.exe

Loads dropped DLL 1 IoCs

pid	Process
5088	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-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\yfjdh\\qeabk.dll\",Getlua"	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)	\??\r:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\b:	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
2940	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	2026-08-12_5787998ada05f6acfc1b0076b324af15_elex_gh0st-rat_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	sgelm.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
3380	PING.EXE
2940	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
3380	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5088	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1036	2026-08-12_5787998ada05f6acfc1b0076b324af15_elex_gh0st-rat_wannacry.exe
3788	sgelm.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 2940	1036	2026-08-12_5787998ada05f6acfc1b0076b324af15_elex_gh0st-rat_wannacry.exe	86
PID 2940 wrote to memory of 3380	2940	cmd.exe	88
PID 2940 wrote to memory of 3788	2940	cmd.exe	89
PID 3788 wrote to memory of 5088	3788	sgelm.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-12_5787998ada05f6acfc1b0076b324af15_elex_gh0st-rat_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-12_5787998ada05f6acfc1b0076b324af15_elex_gh0st-rat_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1036
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\sgelm.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-12_5787998ada05f6acfc1b0076b324af15_elex_gh0st-rat_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:2940
- - 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:3380
- - C:\Users\Admin\AppData\Local\Temp\sgelm.exe
    C:\Users\Admin\AppData\Local\Temp\\sgelm.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-12_5787998ada05f6acfc1b0076b324af15_elex_gh0st-rat_wannacry.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3788
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\yfjdh\qeabk.dll",Getlua C:\Users\Admin\AppData\Local\Temp\sgelm.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:5088

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

sgelm.exe

Path C:\Users\Admin\AppData\Local\Temp\sgelm.exe
Size 544KB
SHA256 f2303bad2858a8710efc9fa50677d1143c99ecea3c835d2a18dcdffae8bdc59c
MD5 ca69b70b94631dd68fda73f785c7ae06
SHA1 36a102d4d6f289f8f556b75be8439ee62d1801e7
SHA512 092378e70dfb6af54a17c3c1ba5359796a3e2c65040d170b473c4ba09c77603af5ae5002ed2584c464cf8f9dda38610a3d127486ca2220a90e4d6941e50f2e91
SSDEEP 6144:YBcsToNOF/VPzPnVu14MfrkEzmI0jL1cb71Xzb7P:kcso2V7Pc4Mzpz10vCH1f7P
TLSH
T181C4127235660E4AE01692B0E7727D2DDA6DC80F351D9A2B8F01150E99739174CFAF4F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

qeabk.dll

Path \??\c:\yfjdh\qeabk.dll
Size 232KB
SHA256 a77b8f63b33624496adfb811013d5b329e1ed869bd471f95c1017d0a150a5eb8
MD5 cd5f2e1646f20f9aa7304167ac137a07
SHA1 d3db326a0d2337c04a0807efe30b27c28a084064
SHA512 cdf7f915b98a9286706878cebc4212e742652cd8131c4a093157e7dbbd75b72e38a215ac634671827447361dc5c4a6f405903de3c8814d19fca5850ff4ae5900
SSDEEP 6144:Pr8MZSC3s9b0gdl7RTk8WhBFfGuL/HiTb:wy/Gb99a8IFfRL/Hkb
TLSH
T1273412C1B3BE6134FC9383750EA469BDF98045A42E3DE176EFA455263D02D2268396CF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/5088-7-0x0000000010000000-0x000000001007F000-memory.dmp

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memory/5088-9-0x0000000010000000-0x000000001007F000-memory.dmp

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memory/5088-10-0x0000000010000000-0x000000001007F000-memory.dmp

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