farfli | 22b86e495e44a5908aeab7b070f6db1a5b1380466499762870f7a96d8450195e

General

Target
2026-08-05_7d5ffc443f300d131eb4a9fe58bafe8f_coinminer_elex_wannacry.exe
Size 248KB
Sample260805-hp3jdafc52
SHA256 22b86e495e44a5908aeab7b070f6db1a5b1380466499762870f7a96d8450195e
MD5 7d5ffc443f300d131eb4a9fe58bafe8f
SHA1 8f6607a33be468d3f01a7cbaf6eaf28398f69cb5
SHA512 958e00c67a2751008e1eeac664b20392b22da0b10e958f64922b259ffcfe2572e5e705089a6f6a10d0f0731c59eb6d735162fb29ab25b14aa6cdbf997ba4add2
SSDEEP 6144:etatPE5Txnev1zQBgexOdw6rpI9FsbLO:9PwTNCl+zGp60
TLSH
T17F447C1233E80869E5EA7E33CEB6A630D7FAE9759C33D66F1394420D4E36904CB15366
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
behavioral2/memory/2040-8-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli
behavioral2/memory/2040-10-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli
behavioral2/memory/2040-13-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 3 IoCs

resource	yara_rule
behavioral2/memory/2040-8-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/2040-10-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/2040-13-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 6 IoCs

resource	yara_rule
behavioral2/files/0x001100000001b664-1.dat	UPX
behavioral2/files/0x000d00000001c679-5.dat	UPX
behavioral2/memory/2040-7-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/memory/2040-8-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/memory/2040-10-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/memory/2040-13-0x0000000010000000-0x0000000010038000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
5060	amliex.exe

Executes dropped EXE 2 IoCs

pid	Process
5060	amliex.exe
2040	eldxkfm.exe

Loads dropped DLL 1 IoCs

pid	Process
2040	eldxkfm.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-1-5-21-2246396966-3025826688-3847171515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vicity = "c:\\Program Files\\fpnab\\eldxkfm.exe \"c:\\Program Files\\fpnab\\eldxkfm.dll\",Group"	eldxkfm.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:	eldxkfm.exe
File opened (read-only)	\??\m:	eldxkfm.exe
File opened (read-only)	\??\n:	eldxkfm.exe
File opened (read-only)	\??\o:	eldxkfm.exe
File opened (read-only)	\??\w:	eldxkfm.exe
File opened (read-only)	\??\b:	eldxkfm.exe
File opened (read-only)	\??\i:	eldxkfm.exe
File opened (read-only)	\??\p:	eldxkfm.exe
File opened (read-only)	\??\q:	eldxkfm.exe
File opened (read-only)	\??\t:	eldxkfm.exe
File opened (read-only)	\??\v:	eldxkfm.exe
File opened (read-only)	\??\y:	eldxkfm.exe
File opened (read-only)	\??\d:	eldxkfm.exe
File opened (read-only)	\??\g:	eldxkfm.exe
File opened (read-only)	\??\l:	eldxkfm.exe
File opened (read-only)	\??\r:	eldxkfm.exe
File opened (read-only)	\??\s:	eldxkfm.exe
File opened (read-only)	\??\u:	eldxkfm.exe
File opened (read-only)	\??\a:	eldxkfm.exe
File opened (read-only)	\??\h:	eldxkfm.exe
File opened (read-only)	\??\x:	eldxkfm.exe
File opened (read-only)	\??\z:	eldxkfm.exe
File opened (read-only)	\??\j:	eldxkfm.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	eldxkfm.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000d00000001c679-5.dat	upx
behavioral2/memory/2040-7-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/memory/2040-8-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/memory/2040-10-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/memory/2040-13-0x0000000010000000-0x0000000010038000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	\??\c:\Program Files\fpnab\eldxkfm.dll	amliex.exe
File created	\??\c:\Program Files\fpnab\eldxkfm.exe	amliex.exe
File opened for modification	\??\c:\Program Files\fpnab	amliex.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
4024	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	amliex.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eldxkfm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-05_7d5ffc443f300d131eb4a9fe58bafe8f_coinminer_elex_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
4024	cmd.exe
3892	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	eldxkfm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	eldxkfm.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3892	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2040	eldxkfm.exe
2040	eldxkfm.exe
2040	eldxkfm.exe
2040	eldxkfm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2040	eldxkfm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5956	2026-08-05_7d5ffc443f300d131eb4a9fe58bafe8f_coinminer_elex_wannacry.exe
5060	amliex.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5956 wrote to memory of 4024	5956	2026-08-05_7d5ffc443f300d131eb4a9fe58bafe8f_coinminer_elex_wannacry.exe	88
PID 4024 wrote to memory of 3892	4024	cmd.exe	90
PID 4024 wrote to memory of 5060	4024	cmd.exe	91
PID 5060 wrote to memory of 2040	5060	amliex.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-08-05_7d5ffc443f300d131eb4a9fe58bafe8f_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-05_7d5ffc443f300d131eb4a9fe58bafe8f_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5956
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\amliex.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-05_7d5ffc443f300d131eb4a9fe58bafe8f_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:4024
- - 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:3892
- - C:\Users\Admin\AppData\Local\Temp\amliex.exe
    C:\Users\Admin\AppData\Local\Temp\\amliex.exe "C:\Users\Admin\AppData\Local\Temp\2026-08-05_7d5ffc443f300d131eb4a9fe58bafe8f_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:5060
  - - \??\c:\Program Files\fpnab\eldxkfm.exe
      "c:\Program Files\fpnab\eldxkfm.exe" "c:\Program Files\fpnab\eldxkfm.dll",Group C:\Users\Admin\AppData\Local\Temp\amliex.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:2040

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

eldxkfm.exe

Path C:\Program Files\fpnab\eldxkfm.exe
Size 51KB
SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
MD5 2e068ce2770fde8d1af4cb114b98df1f
SHA1 b6f9c2775babb025b22f915c3047aa627d07c312
SHA512 998d695eb56375e63df7db16740b89deb2cf630ccbead8bcf84a921ec6f4a4f9aef2755b703f7190f332b2008ebcc949363bcf8f392d7d07246c255b5073ed35
SSDEEP 1536:6G9yoVEpHP29I3fbcJboSUge5N+CnC/maz9Rh:8pv2mbcJboce58wvOR
TLSH
T137336C236A0A49B3DFE231780A9D7232526DD862075541F7A61057EAFD243E2EE743CF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

amliex.exe

Path C:\Users\Admin\AppData\Local\Temp\amliex.exe
Size 248KB
SHA256 b32953e84206a80c4a19c0a11270ae4396b8a96f4ba742d5510df2f6aecff5a0
MD5 41f9c66c44a4a4280747f08ee27a327b
SHA1 121656a59d81bd47851f131ee77b42f6274b7815
SHA512 c9d514b53d9846594e163b14ae9a262994b6302fc3f0dfb1684e47ceae09d5dda82c22f336d96d014cba9f2087727f6390274dd47f1fbd4fc20ac7982274bcca
SSDEEP 6144:etatPE5Txnev1zQBgexOdw6rpI9FsbLOA:9PwTNCl+zGp60L
TLSH
T1BE447C1233E84869E5EA7E33CEB6A630D7FAE9759C33D66F0394420D4E36904CB15366
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

eldxkfm.dll

Path \??\c:\Program Files\fpnab\eldxkfm.dll
Size 97KB
SHA256 e62953be09405b6ed3436336849e2b3f1c475fa1f44c9b0998c23c6ffcc640db
MD5 6aeb07cca7b6a8aa210273a5e47411a7
SHA1 ce3cfe93243670e20d40613a18595f3b28c2dd1e
SHA512 01631f41188c67c5fee7ed25ca21b9428210b7f1c42b7e0185963224736285743a66ba7bd7cfd6aa1d02f71c3319b6d99b2b6a56be76ec9f0d58357d67162101
SSDEEP 3072:BDpG6gzgHr5tCmfk455ecDBkdq+SStvAbGy:5pG6Sg9txRk/SS6bGy
TLSH
T113A301F6290DBDD6CB354839D6628E35F629EE348C589F887ECE6C13ACB8510E1641F1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2040-7-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/2040-8-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/2040-10-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/2040-13-0x0000000010000000-0x0000000010038000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads