farfli | bd2f234023d8a6dd49c07ee31a2f96b2b51f65169108b90da4f2350d2f782daf

Analysis

max time kernel
148s
max time network
136s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260630-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/07/2026, 22:30

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General

Target
2026-07-01_06260e45b13ee6642ea5a2e2a2191c30_coinminer_elex_wannacry.exe
Size 248KB
Sample260701-2esqzag18s
SHA256 bd2f234023d8a6dd49c07ee31a2f96b2b51f65169108b90da4f2350d2f782daf
MD5 06260e45b13ee6642ea5a2e2a2191c30
SHA1 751e5f7b5107009f37289893e8a048074fd812fe
SHA512 bf32aa4121e68503d41b5a8641de4e1b4f1cd00f5fe2b370756656bf73a5b3acd6caa11c86529fcc18dff33893db22aca4eca4c842480319d2f652b04c852b3c
SSDEEP 6144:qtatPE5Txvev1zQBgexOdw6rpI9Fsd92:5PwTFCl+zGp6C
TLSH
T133448C1233E80869E5EA7E33CEB6A630D7FAE9759C33D66F1394420D4E36904CB15366
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery 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/2496-11-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli
behavioral2/memory/2496-13-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli
behavioral2/memory/2496-16-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 3 IoCs

resource	yara_rule
behavioral2/memory/2496-11-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/2496-13-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/2496-16-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 9 IoCs

resource	yara_rule
behavioral2/memory/1484-0-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral2/memory/1484-2-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral2/files/0x000900000001b847-3.dat	UPX
behavioral2/memory/4724-7-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral2/files/0x000d00000001c5f9-8.dat	UPX
behavioral2/memory/2496-10-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/memory/2496-11-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/memory/2496-13-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/memory/2496-16-0x0000000010000000-0x0000000010038000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
4724	oayqo.exe

Executes dropped EXE 2 IoCs

pid	Process
4724	oayqo.exe
2496	tlpzbhr.exe

Loads dropped DLL 1 IoCs

pid	Process
2496	tlpzbhr.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-1-5-21-2132828192-1552876075-2324613956-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vicity = "c:\\Program Files\\remzihon\\tlpzbhr.exe \"c:\\Program Files\\remzihon\\tlpzbhr.dll\",Group"	tlpzbhr.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)	\??\n:	tlpzbhr.exe
File opened (read-only)	\??\u:	tlpzbhr.exe
File opened (read-only)	\??\v:	tlpzbhr.exe
File opened (read-only)	\??\k:	tlpzbhr.exe
File opened (read-only)	\??\m:	tlpzbhr.exe
File opened (read-only)	\??\r:	tlpzbhr.exe
File opened (read-only)	\??\t:	tlpzbhr.exe
File opened (read-only)	\??\w:	tlpzbhr.exe
File opened (read-only)	\??\z:	tlpzbhr.exe
File opened (read-only)	\??\g:	tlpzbhr.exe
File opened (read-only)	\??\h:	tlpzbhr.exe
File opened (read-only)	\??\j:	tlpzbhr.exe
File opened (read-only)	\??\o:	tlpzbhr.exe
File opened (read-only)	\??\s:	tlpzbhr.exe
File opened (read-only)	\??\a:	tlpzbhr.exe
File opened (read-only)	\??\l:	tlpzbhr.exe
File opened (read-only)	\??\x:	tlpzbhr.exe
File opened (read-only)	\??\y:	tlpzbhr.exe
File opened (read-only)	\??\p:	tlpzbhr.exe
File opened (read-only)	\??\q:	tlpzbhr.exe
File opened (read-only)	\??\b:	tlpzbhr.exe
File opened (read-only)	\??\d:	tlpzbhr.exe
File opened (read-only)	\??\i:	tlpzbhr.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	tlpzbhr.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000d00000001c5f9-8.dat	upx
behavioral2/memory/2496-10-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/memory/2496-11-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/memory/2496-13-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/memory/2496-16-0x0000000010000000-0x0000000010038000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\remzihon	oayqo.exe
File created	\??\c:\Program Files\remzihon\tlpzbhr.dll	oayqo.exe
File created	\??\c:\Program Files\remzihon\tlpzbhr.exe	oayqo.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	2026-07-01_06260e45b13ee6642ea5a2e2a2191c30_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	oayqo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tlpzbhr.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
5560	cmd.exe
4980	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	tlpzbhr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	tlpzbhr.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4980	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2496	tlpzbhr.exe
2496	tlpzbhr.exe
2496	tlpzbhr.exe
2496	tlpzbhr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2496	tlpzbhr.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1484	2026-07-01_06260e45b13ee6642ea5a2e2a2191c30_coinminer_elex_wannacry.exe
4724	oayqo.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 5560	1484	2026-07-01_06260e45b13ee6642ea5a2e2a2191c30_coinminer_elex_wannacry.exe	88
PID 5560 wrote to memory of 4980	5560	cmd.exe	90
PID 5560 wrote to memory of 4724	5560	cmd.exe	91
PID 4724 wrote to memory of 2496	4724	oayqo.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-07-01_06260e45b13ee6642ea5a2e2a2191c30_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-01_06260e45b13ee6642ea5a2e2a2191c30_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1484
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\oayqo.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-01_06260e45b13ee6642ea5a2e2a2191c30_coinminer_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:5560
- - 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:4980
- - C:\Users\Admin\AppData\Local\Temp\oayqo.exe
    C:\Users\Admin\AppData\Local\Temp\\oayqo.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-01_06260e45b13ee6642ea5a2e2a2191c30_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:4724
  - - \??\c:\Program Files\remzihon\tlpzbhr.exe
      "c:\Program Files\remzihon\tlpzbhr.exe" "c:\Program Files\remzihon\tlpzbhr.dll",Group C:\Users\Admin\AppData\Local\Temp\oayqo.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:2496

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

Replay Monitor

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Downloads

tlpzbhr.exe

Path C:\Program Files\remzihon\tlpzbhr.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

oayqo.exe

Path C:\Users\Admin\AppData\Local\Temp\oayqo.exe
Size 248KB
SHA256 7b551556c1241e161b574af02b5ba3c66614f4fbbd1a713578fc9ee8b4338fb5
MD5 330a89b8d6db522bfbc98fa34e87ffb3
SHA1 d975971989147b43ddd681c79546145342e28d6a
SHA512 a631189bb2184cb2bbefe0029957016a3d041280ab119528551d48cd940e418d0b60a6b6bb4cbc964a11b7d6dbe2b3450903f3a430d058a50ea5534bce2a0d93
SSDEEP 6144:qtatPE5Txvev1zQBgexOdw6rpI9Fsd92:5PwTFCl+zGp6C
TLSH
T1E6448C1233E80869E5EA7E33CEB6A630D7FAE9759C33D66F1394420D4E36904CB15366
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tlpzbhr.dll

Path \??\c:\Program Files\remzihon\tlpzbhr.dll
Size 97KB
SHA256 557269c56a0609041a2e1c5cedd0e3a8bb7023c84dff94b8d7f16666e2d4ca9b
MD5 7aea81bf58d1153a3e696e1eee220586
SHA1 6643b823ce2acb095696cd8df025d42fd22ff006
SHA512 37dfdb3ea8839833d895843b9dd46ba9fdfbda46f9cb92f8822500ea89a70720e7e0a8c975fae65f2bb0b21c02abbade6e9c65f700b464b142de2d149978a1f4
SSDEEP 3072:BDpG6gzgHr5tCmfk455ecDBkdq+SStvAbGq:5pG6Sg9txRk/SS6bGq
TLSH
T1E2A301FA290D7DD6CB354839D6528E35F629EE348C589F887ECE6C13ACB8510E1641F1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1484-0-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/1484-2-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/2496-10-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/2496-11-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/2496-13-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/2496-16-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/4724-7-0x0000000000400000-0x000000000043F000-memory.dmp

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