farfli | 826c4cad22116beb0039d5671c62cc18240cf72099cae72a58e143a0d6f8bc5b

Analysis

max time kernel
149s
max time network
158s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
16/04/2026, 03:45

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General

Target
2026-04-16_8dceefec4d3a40f975e32569d61cc6aa_coinminer_elex_wannacry.exe
Size 291KB
Sample260416-ebf7faat6v
SHA256 826c4cad22116beb0039d5671c62cc18240cf72099cae72a58e143a0d6f8bc5b
MD5 8dceefec4d3a40f975e32569d61cc6aa
SHA1 393475f04667282b5ccec0e24ff31944d26956ba
SHA512 6ab8ba3cee8360868f4a02aef003b020fd93c064a562c3be06f29096b7696b7310194f11498637b08b2697b3c23f2e3b0f7b462edf55f7719539c346cad9dd8b
SSDEEP 3072:qtaoOzbY5l/Tx1DUDcbouGYefD5h1zZCBgb3EInA3rdCKA9bwpfMrgsAHuskkycD:qtatPE5Txvev1zQBgexOdw6rpI9Fs29
TLSH
T14A548C1233E44869E0EA3A72CE76A630D7F6E975AC33D67F03D4430E5A36A04CB55366
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/5016-14-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli
behavioral2/memory/5016-16-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli
behavioral2/memory/5016-19-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 3 IoCs

resource	yara_rule
behavioral2/memory/5016-14-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5016-16-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5016-19-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 8 IoCs

resource	yara_rule
behavioral2/memory/1064-0-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral2/memory/1064-2-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral2/files/0x001800000002710f-4.dat	UPX
behavioral2/memory/4996-10-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral2/files/0x001a00000002b4fa-11.dat	UPX
behavioral2/memory/5016-14-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/memory/5016-16-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/memory/5016-19-0x0000000010000000-0x0000000010038000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
4996	mnfgshf.exe

Executes dropped EXE 2 IoCs

pid	Process
4996	mnfgshf.exe
5016	fazoceh.exe

Loads dropped DLL 1 IoCs

pid	Process
5016	fazoceh.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-1-5-21-600123060-2148212387-2211176695-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vicity = "c:\\Program Files\\snawu\\fazoceh.exe \"c:\\Program Files\\snawu\\fazoceh.dll\",Group"	fazoceh.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:	fazoceh.exe
File opened (read-only)	\??\l:	fazoceh.exe
File opened (read-only)	\??\m:	fazoceh.exe
File opened (read-only)	\??\n:	fazoceh.exe
File opened (read-only)	\??\o:	fazoceh.exe
File opened (read-only)	\??\s:	fazoceh.exe
File opened (read-only)	\??\v:	fazoceh.exe
File opened (read-only)	\??\a:	fazoceh.exe
File opened (read-only)	\??\b:	fazoceh.exe
File opened (read-only)	\??\g:	fazoceh.exe
File opened (read-only)	\??\j:	fazoceh.exe
File opened (read-only)	\??\q:	fazoceh.exe
File opened (read-only)	\??\w:	fazoceh.exe
File opened (read-only)	\??\z:	fazoceh.exe
File opened (read-only)	\??\h:	fazoceh.exe
File opened (read-only)	\??\i:	fazoceh.exe
File opened (read-only)	\??\k:	fazoceh.exe
File opened (read-only)	\??\r:	fazoceh.exe
File opened (read-only)	\??\x:	fazoceh.exe
File opened (read-only)	\??\y:	fazoceh.exe
File opened (read-only)	\??\p:	fazoceh.exe
File opened (read-only)	\??\t:	fazoceh.exe
File opened (read-only)	\??\u:	fazoceh.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	fazoceh.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x001a00000002b4fa-11.dat	upx
behavioral2/memory/5016-14-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/memory/5016-16-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/memory/5016-19-0x0000000010000000-0x0000000010038000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\snawu	mnfgshf.exe
File created	\??\c:\Program Files\snawu\fazoceh.dll	mnfgshf.exe
File created	\??\c:\Program Files\snawu\fazoceh.exe	mnfgshf.exe
File opened for modification	\??\c:\Program Files\snawu\fazoceh.exe	mnfgshf.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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mnfgshf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fazoceh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-04-16_8dceefec4d3a40f975e32569d61cc6aa_coinminer_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
4828	cmd.exe
4820	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	fazoceh.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	fazoceh.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4820	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5016	fazoceh.exe
5016	fazoceh.exe
5016	fazoceh.exe
5016	fazoceh.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5016	fazoceh.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1064	2026-04-16_8dceefec4d3a40f975e32569d61cc6aa_coinminer_elex_wannacry.exe
4996	mnfgshf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 4828	1064	2026-04-16_8dceefec4d3a40f975e32569d61cc6aa_coinminer_elex_wannacry.exe	79
PID 4828 wrote to memory of 4820	4828	cmd.exe	81
PID 4828 wrote to memory of 4996	4828	cmd.exe	82
PID 4996 wrote to memory of 5016	4996	mnfgshf.exe	83

C:\Users\Admin\AppData\Local\Temp\2026-04-16_8dceefec4d3a40f975e32569d61cc6aa_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-16_8dceefec4d3a40f975e32569d61cc6aa_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\mnfgshf.exe "C:\Users\Admin\AppData\Local\Temp\2026-04-16_8dceefec4d3a40f975e32569d61cc6aa_coinminer_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4828
- - 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:4820
- - C:\Users\Admin\AppData\Local\Temp\mnfgshf.exe
    C:\Users\Admin\AppData\Local\Temp\\mnfgshf.exe "C:\Users\Admin\AppData\Local\Temp\2026-04-16_8dceefec4d3a40f975e32569d61cc6aa_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:4996
  - - \??\c:\Program Files\snawu\fazoceh.exe
      "c:\Program Files\snawu\fazoceh.exe" "c:\Program Files\snawu\fazoceh.dll",Group C:\Users\Admin\AppData\Local\Temp\mnfgshf.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:5016

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

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Downloads

fazoceh.exe

Path C:\Program Files\snawu\fazoceh.exe
Size 40KB
SHA256 8dcaeeebef9b9f3d41d295db145ffb3850f309d089c08125c7fa7034db5fd80e
MD5 22bb5bd901d8b25ac5b41edbb7d5053e
SHA1 8a935dd8d7e104fc553ff7e8b54a404f7b079334
SHA512 cc3fb68fd6791a08e4a7d1a8db8d07cfcc8c9b9dceec10b53f0cb7ee86473303a19be4f23e379f84c59e02d0568e7c066e21cd1300f6032dac4ba52f609f62e7
SSDEEP 768:C67uhQpPPp0nnqFk509FRdVcQX6N58hJYim1jLP3RRe:C67uhQpXp0nnqa5093jKNAmB3RR
TLSH
T10C134C02BE88C071DDA114B41A5DB337939DED604B1586D3593887EBAA2D3E39E343DE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

mnfgshf.exe

Path C:\Users\Admin\AppData\Local\Temp\mnfgshf.exe
Size 291KB
SHA256 505e4e404df0f48ae2f8d4110770a5ec953416b5c22896474273b39818ad3515
MD5 84c27f4eec5804a00cadf7ebb561238d
SHA1 a86e3dd114fd11b8220f6a070b3a830f27edfca6
SHA512 3f82f8f2d0730e41d40923a137b4ed190389394125a9fbffc73947af0d6fe5e47b35d45568ec3627da23ce6fbadc1efe78b3e303d9f75f5856783b8ee52f0b81
SSDEEP 3072:qtaoOzbY5l/Tx1DUDcbouGYefD5h1zZCBgb3EInA3rdCKA9bwpfMrgsAHuskkycD:qtatPE5Txvev1zQBgexOdw6rpI9Fs29
TLSH
T13D548C1233E44869E0EA3A72CE76A630D7F6E975AC33D67F03D4430E5A36A04CB55366
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

fazoceh.dll

Path \??\c:\Program Files\snawu\fazoceh.dll
Size 97KB
SHA256 d52a06da4a99b2574d4b39e5b51f582c6ade3e9e733a54075db9bcc965da2688
MD5 c2457782d24519a41a12ccc31192726e
SHA1 3bebf574e97959943718781f762535c34a3cf764
SHA512 dbb801b0daab10ed74d015c0af64688f4710e57f8dfbe70cfceef8f14d061fdc1a833f3b99341f22e14cf562b70388ee614e21bc39f92f2979b79c1c584555ad
SSDEEP 3072:BDpG6gzgHr5tCmfk455ecDBkdq+SStvAbGM:5pG6Sg9txRk/SS6bGM
TLSH
T141A301FA290D7DD6CB354839D6528E35FA29EE348C589F887ECE6C13ACB8510E1641F1
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1064-0-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/1064-2-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/4996-10-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/5016-14-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/5016-16-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/5016-19-0x0000000010000000-0x0000000010038000-memory.dmp

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