farfli | d5fceab96b14cd4eec3474b5b1527230757fa51e5bcbd7e6e3353cfc7b889070

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
20/09/2026, 22:06

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-09-20_f972ebcd6bc63cfa5b16811844621cce_coinminer_elex_wannacry.exe
Size 287KB
Sample260920-11b5nseq4w
SHA256 d5fceab96b14cd4eec3474b5b1527230757fa51e5bcbd7e6e3353cfc7b889070
MD5 f972ebcd6bc63cfa5b16811844621cce
SHA1 e2f3f67b4c58dc2c7047db180cd7ddb07a90d6d0
SHA512 ff15762970caedd468ac0cd20a8d27fc9bfb0fd930442b91892d9d9433893a03916118408ed1114b6058b4717fb59f1b6b0bc770faf9dc37a5acd9700ac374f8
SSDEEP 3072:qtaoOzbY5l/Tx1DUDcbouGYefD5h1zZCBgb3EInA3rdCKA9bwpfMrgsAHuskkycP:qtatPE5Txvev1zQBgexOdw6rpI9Fs29
TLSH
T17C547C1233E44869E4EA3A72CE76A630D7FAE875AC33D67F03D4430D5A36A04CB55366
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery execution farfli persistence spyware stealer upx

Malware Config

Signatures

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

Detects Farfli Backdoor 3 IoCs

resource	yara_rule
behavioral1/memory/976-15-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli
behavioral1/memory/976-17-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli
behavioral1/memory/976-20-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 3 IoCs

resource	yara_rule
behavioral1/memory/976-15-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/976-17-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral1/memory/976-20-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 9 IoCs

resource	yara_rule
behavioral1/memory/4072-0-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral1/memory/4072-2-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral1/files/0x000500000002325d-4.dat	UPX
behavioral1/files/0x00020000000220bb-11.dat	UPX
behavioral1/memory/976-14-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral1/memory/1116-10-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral1/memory/976-15-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral1/memory/976-17-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral1/memory/976-20-0x0000000010000000-0x0000000010038000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
1116	moqrle.exe

Executes dropped EXE 2 IoCs

pid	Process
1116	moqrle.exe
976	bltzalh.exe

Loads dropped DLL 1 IoCs

pid	Process
976	bltzalh.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-1-5-21-895009113-1202185046-1686627690-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Vicity = "c:\\Program Files\\kxoncvj\\bltzalh.exe \"c:\\Program Files\\kxoncvj\\bltzalh.dll\",Group"	bltzalh.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)	\??\k:	bltzalh.exe
File opened (read-only)	\??\m:	bltzalh.exe
File opened (read-only)	\??\q:	bltzalh.exe
File opened (read-only)	\??\v:	bltzalh.exe
File opened (read-only)	\??\e:	bltzalh.exe
File opened (read-only)	\??\i:	bltzalh.exe
File opened (read-only)	\??\o:	bltzalh.exe
File opened (read-only)	\??\r:	bltzalh.exe
File opened (read-only)	\??\s:	bltzalh.exe
File opened (read-only)	\??\t:	bltzalh.exe
File opened (read-only)	\??\u:	bltzalh.exe
File opened (read-only)	\??\z:	bltzalh.exe
File opened (read-only)	\??\g:	bltzalh.exe
File opened (read-only)	\??\l:	bltzalh.exe
File opened (read-only)	\??\p:	bltzalh.exe
File opened (read-only)	\??\w:	bltzalh.exe
File opened (read-only)	\??\x:	bltzalh.exe
File opened (read-only)	\??\y:	bltzalh.exe
File opened (read-only)	\??\a:	bltzalh.exe
File opened (read-only)	\??\h:	bltzalh.exe
File opened (read-only)	\??\n:	bltzalh.exe
File opened (read-only)	\??\b:	bltzalh.exe
File opened (read-only)	\??\j:	bltzalh.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	bltzalh.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x00020000000220bb-11.dat	upx
behavioral1/memory/976-14-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral1/memory/976-15-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral1/memory/976-17-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral1/memory/976-20-0x0000000010000000-0x0000000010038000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\kxoncvj	moqrle.exe
File created	\??\c:\Program Files\kxoncvj\bltzalh.dll	moqrle.exe
File created	\??\c:\Program Files\kxoncvj\bltzalh.exe	moqrle.exe
File opened for modification	\??\c:\Program Files\kxoncvj\bltzalh.exe	moqrle.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
4660	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	bltzalh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-20_f972ebcd6bc63cfa5b16811844621cce_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	moqrle.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
4660	cmd.exe
4732	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	bltzalh.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	bltzalh.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4732	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
976	bltzalh.exe
976	bltzalh.exe
976	bltzalh.exe
976	bltzalh.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	976	bltzalh.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4072	2026-09-20_f972ebcd6bc63cfa5b16811844621cce_coinminer_elex_wannacry.exe
1116	moqrle.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4072 wrote to memory of 4660	4072	2026-09-20_f972ebcd6bc63cfa5b16811844621cce_coinminer_elex_wannacry.exe	88
PID 4660 wrote to memory of 4732	4660	cmd.exe	90
PID 4660 wrote to memory of 1116	4660	cmd.exe	92
PID 1116 wrote to memory of 976	1116	moqrle.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-09-20_f972ebcd6bc63cfa5b16811844621cce_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-20_f972ebcd6bc63cfa5b16811844621cce_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4072
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\moqrle.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-20_f972ebcd6bc63cfa5b16811844621cce_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:4660
- - 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:4732
- - C:\Users\Admin\AppData\Local\Temp\moqrle.exe
    C:\Users\Admin\AppData\Local\Temp\\moqrle.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-20_f972ebcd6bc63cfa5b16811844621cce_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:1116
  - - \??\c:\Program Files\kxoncvj\bltzalh.exe
      "c:\Program Files\kxoncvj\bltzalh.exe" "c:\Program Files\kxoncvj\bltzalh.dll",Group C:\Users\Admin\AppData\Local\Temp\moqrle.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:976

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

Replay Monitor

Loading Replay Monitor...

Downloads

bltzalh.exe

Path C:\Program Files\kxoncvj\bltzalh.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
TLSH
T127532AC2FA00C171D4A7563019778F1A5766AC13DB728ACB94B0B4A41EB3291AD3E5FF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

moqrle.exe

Path C:\Users\Admin\AppData\Local\Temp\moqrle.exe
Size 287KB
SHA256 7e39ad55e6224c1baceb975c54fbf7421bc478d966ff9d7a3a9d485336cb1cb1
MD5 4bf1c07d08607e44a008ae741f5d03ff
SHA1 e465db2d2b6efb9b08f20cc930fcfacc47a9d0a6
SHA512 d69a79279e373212638faddbdae5a9e72b0fa057e94b25db9d0719c1366f8bfb0c6ea53f04a0ff862bec2abfeacdc8d45ecdaab7d4f53a18cb38adb2f1085488
SSDEEP 3072:qtaoOzbY5l/Tx1DUDcbouGYefD5h1zZCBgb3EInA3rdCKA9bwpfMrgsAHuskkycP:qtatPE5Txvev1zQBgexOdw6rpI9Fs29
TLSH
T1FD547C1233E44869E4EA3A72CE76A630D7FAE875AC33D67F03D4430D5A36A04CB55366
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

bltzalh.dll

Path \??\c:\Program Files\kxoncvj\bltzalh.dll
Size 97KB
SHA256 a67381c24a2dac39e2637db51356c49808204902e11ed9044019514d6aab2da2
MD5 6b38a9d842822e2893993a8b71b4a98c
SHA1 6064c119b23be817ddd8638d1a348a5de3fa2ab4
SHA512 71bf36a9332d657ea09296bf4b2c574d7f0287d1374b56a57422a25947234773e805f26fe5c9128fed058bd234efed88b4d9a7a4c07fa10b01bcbfbcf3865219
SSDEEP 3072:BDpG6gzgHr5tCmfk455ecDBkdq+SStvAbGn:5pG6Sg9txRk/SS6bGn
TLSH
T1EBA301FA290D7DD6CB35483DD6628E25F629EE348C589F887ECE6C13ACB8510E1641F1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/976-14-0x0000000010000000-0x0000000010038000-memory.dmp

Download

memory/976-15-0x0000000010000000-0x0000000010038000-memory.dmp

Download

memory/976-17-0x0000000010000000-0x0000000010038000-memory.dmp

Download

memory/976-20-0x0000000010000000-0x0000000010038000-memory.dmp

Download

memory/1116-10-0x0000000000400000-0x000000000043F000-memory.dmp

Download

memory/4072-0-0x0000000000400000-0x000000000043F000-memory.dmp

Download

memory/4072-2-0x0000000000400000-0x000000000043F000-memory.dmp

Download