farfli | 15c5efac2ea5f1fc39e6cbdffeaa723ec9afc8791d7a43aeee73b2a8316ceab6

Analysis

max time kernel
148s
max time network
137s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260630-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
06/07/2026, 15:17

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General

Target
2026-07-06_48e9d4ed935957c6f9a22ca35650d894_coinminer_elex_wannacry.exe
Size 248KB
Sample260706-spd6wscy4m
SHA256 15c5efac2ea5f1fc39e6cbdffeaa723ec9afc8791d7a43aeee73b2a8316ceab6
MD5 48e9d4ed935957c6f9a22ca35650d894
SHA1 9e04cae26d937fb81d4eaf9fed17b5bc00e008c5
SHA512 51e0fedce1d710a5245b130c0dda1d072f648aabd8e0b242c7259da0db5972153a90f1c7d5d1c170e616c9464e0ec773ed3736c10019510b014bee8944fe4b25
SSDEEP 6144:qtatPE5Txvev1zQBgexOdw6rpI9Fsd92:5PwTFCl+zGp6C
TLSH
T1E4447C1233E80869E5EA7E33CEB6A630D7FAE9759C33D66F1394420D4E36904CB15366
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 4 IoCs

resource	yara_rule
behavioral2/memory/5996-10-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli
behavioral2/memory/5996-11-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli
behavioral2/memory/5996-13-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli
behavioral2/memory/5996-16-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 4 IoCs

resource	yara_rule
behavioral2/memory/5996-10-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5996-11-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5996-13-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/5996-16-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 9 IoCs

resource	yara_rule
behavioral2/memory/1992-0-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral2/memory/1992-2-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral2/files/0x000700000001b85a-3.dat	UPX
behavioral2/memory/2460-7-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral2/files/0x000e00000001c5b0-8.dat	UPX
behavioral2/memory/5996-10-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/memory/5996-11-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/memory/5996-13-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/memory/5996-16-0x0000000010000000-0x0000000010038000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
2460	oitic.exe

Executes dropped EXE 2 IoCs

pid	Process
2460	oitic.exe
5996	sgwvk.exe

Loads dropped DLL 1 IoCs

pid	Process
5996	sgwvk.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\\odtnekaux\\sgwvk.exe \"c:\\Program Files\\odtnekaux\\sgwvk.dll\",Group"	sgwvk.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)	\??\a:	sgwvk.exe
File opened (read-only)	\??\j:	sgwvk.exe
File opened (read-only)	\??\o:	sgwvk.exe
File opened (read-only)	\??\r:	sgwvk.exe
File opened (read-only)	\??\v:	sgwvk.exe
File opened (read-only)	\??\b:	sgwvk.exe
File opened (read-only)	\??\k:	sgwvk.exe
File opened (read-only)	\??\w:	sgwvk.exe
File opened (read-only)	\??\x:	sgwvk.exe
File opened (read-only)	\??\q:	sgwvk.exe
File opened (read-only)	\??\d:	sgwvk.exe
File opened (read-only)	\??\i:	sgwvk.exe
File opened (read-only)	\??\l:	sgwvk.exe
File opened (read-only)	\??\m:	sgwvk.exe
File opened (read-only)	\??\n:	sgwvk.exe
File opened (read-only)	\??\s:	sgwvk.exe
File opened (read-only)	\??\y:	sgwvk.exe
File opened (read-only)	\??\g:	sgwvk.exe
File opened (read-only)	\??\h:	sgwvk.exe
File opened (read-only)	\??\p:	sgwvk.exe
File opened (read-only)	\??\t:	sgwvk.exe
File opened (read-only)	\??\u:	sgwvk.exe
File opened (read-only)	\??\z:	sgwvk.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	sgwvk.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000e00000001c5b0-8.dat	upx
behavioral2/memory/5996-10-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/memory/5996-11-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/memory/5996-13-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/memory/5996-16-0x0000000010000000-0x0000000010038000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\odtnekaux	oitic.exe
File created	\??\c:\Program Files\odtnekaux\sgwvk.dll	oitic.exe
File created	\??\c:\Program Files\odtnekaux\sgwvk.exe	oitic.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	oitic.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sgwvk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-06_48e9d4ed935957c6f9a22ca35650d894_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

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
4804	cmd.exe
4216	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	sgwvk.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	sgwvk.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4216	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5996	sgwvk.exe
5996	sgwvk.exe
5996	sgwvk.exe
5996	sgwvk.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5996	sgwvk.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1992	2026-07-06_48e9d4ed935957c6f9a22ca35650d894_coinminer_elex_wannacry.exe
2460	oitic.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 4804	1992	2026-07-06_48e9d4ed935957c6f9a22ca35650d894_coinminer_elex_wannacry.exe	89
PID 4804 wrote to memory of 4216	4804	cmd.exe	91
PID 4804 wrote to memory of 2460	4804	cmd.exe	92
PID 2460 wrote to memory of 5996	2460	oitic.exe	93

C:\Users\Admin\AppData\Local\Temp\2026-07-06_48e9d4ed935957c6f9a22ca35650d894_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-06_48e9d4ed935957c6f9a22ca35650d894_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\oitic.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-06_48e9d4ed935957c6f9a22ca35650d894_coinminer_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4804
- - 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:4216
- - C:\Users\Admin\AppData\Local\Temp\oitic.exe
    C:\Users\Admin\AppData\Local\Temp\\oitic.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-06_48e9d4ed935957c6f9a22ca35650d894_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:2460
  - - \??\c:\Program Files\odtnekaux\sgwvk.exe
      "c:\Program Files\odtnekaux\sgwvk.exe" "c:\Program Files\odtnekaux\sgwvk.dll",Group C:\Users\Admin\AppData\Local\Temp\oitic.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:5996

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

sgwvk.exe

Path C:\Program Files\odtnekaux\sgwvk.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

oitic.exe

Path C:\Users\Admin\AppData\Local\Temp\oitic.exe
Size 248KB
SHA256 518c97b334c49b44fc8069ea261d692448f26d4b409d0e72c79a5b3c87942fce
MD5 cf47782d1494f51bd089baa9cf6a1e70
SHA1 fd1ac9de0ae69315acf24e39bd68c9c9529d9b67
SHA512 667034c081d11ff9ae3a500a35261dd1b26bc18bb7b48409f38187373a488cb2eb4f01ecdcee4dbe81b75df0568eed2ffe46532c59aea2f93232f0693b626013
SSDEEP 6144:qtatPE5Txvev1zQBgexOdw6rpI9Fsd92B:5PwTFCl+zGp6Ca
TLSH
T166447C1233E80869E5EA7E33CEB6A630D7FAE9759C33D66F1394420D4E36904CB15366
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

sgwvk.dll

Path \??\c:\Program Files\odtnekaux\sgwvk.dll
Size 97KB
SHA256 a2ba2221b6fd93d8c780565d0f2dd4f1614c6da55fe9b539a2b24d82562a0854
MD5 3e832334449ca003a188298c30e569f1
SHA1 c1b1d33a773078cb17ad929b8be20523442dcb9b
SHA512 95e173a655f07f478d16979d01a9513f5852e6dd466b72eae40c86ef71929d4a2722060826f34fbcd7a295cfc0f923b1ae865bef5780e9cd4605bf0ad11adcb4
SSDEEP 3072:BDpG6gzgHr5tCmfk455ecDBkdq+SStvAbG2:5pG6Sg9txRk/SS6bG2
TLSH
T109A301F6290D7DD6CB354839D6628E25F929EE348C549F887ECE6C13ACB8510E1641F1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1992-0-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/1992-2-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/2460-7-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/5996-10-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/5996-11-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/5996-13-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/5996-16-0x0000000010000000-0x0000000010038000-memory.dmp

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