farfli | 9e01d5d9f759f2feb3cd691c48eafb0b4abc1d35830f9c44ac45f42c1fe23834

Analysis

max time kernel
148s
max time network
137s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/07/2026, 02:15

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General

Target
2026-07-15_078909d30cbb2de63184207035048a31_elex_wannacry.exe
Size 389KB
Sample260716-cpk2fabs8n
SHA256 9e01d5d9f759f2feb3cd691c48eafb0b4abc1d35830f9c44ac45f42c1fe23834
MD5 078909d30cbb2de63184207035048a31
SHA1 25a34880990ad896003c7684a7032226acbeec18
SHA512 560435765e77c76abdbb3c9590768ec7ea7ddfcee61455765ff7812dae6d02d5530944bd7512f93dcdf2213817746f31dfb7241bfe25649567951f39a38cf725
SSDEEP 12288:jgmYA/n0eDBjQPphdxmj2LcAEmlb+UpFpg:CeDBjG7dxK2wXml1Fp
TLSH
T10B8412019DE1C869D8016FB592AB9930C3C6AF5C0B1433D35BC4B94FEE34EAF69760A5
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor bootkit discovery farfli persistence spyware stealer

Malware Config

Signatures

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

Detects Farfli Backdoor 2 IoCs

resource	yara_rule
behavioral2/memory/4304-11-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli
behavioral2/memory/4304-13-0x0000000010000000-0x0000000010058000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 2 IoCs

resource	yara_rule
behavioral2/memory/4304-11-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/4304-13-0x0000000010000000-0x0000000010058000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

Deletes itself 1 IoCs

pid	Process
5256	delopsqvq.exe

Executes dropped EXE 2 IoCs

pid	Process
5256	delopsqvq.exe
4304	xkvcep.exe

Loads dropped DLL 1 IoCs

pid	Process
4304	xkvcep.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-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Windows\CurrentVersion\Run\ProMark = "c:\\Program Files\\mohfwp\\xkvcep.exe \"c:\\Program Files\\mohfwp\\xkvcep.dll\",Clean"	xkvcep.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)	\??\d:	xkvcep.exe
File opened (read-only)	\??\i:	xkvcep.exe
File opened (read-only)	\??\l:	xkvcep.exe
File opened (read-only)	\??\o:	xkvcep.exe
File opened (read-only)	\??\q:	xkvcep.exe
File opened (read-only)	\??\s:	xkvcep.exe
File opened (read-only)	\??\y:	xkvcep.exe
File opened (read-only)	\??\g:	xkvcep.exe
File opened (read-only)	\??\h:	xkvcep.exe
File opened (read-only)	\??\u:	xkvcep.exe
File opened (read-only)	\??\v:	xkvcep.exe
File opened (read-only)	\??\z:	xkvcep.exe
File opened (read-only)	\??\a:	xkvcep.exe
File opened (read-only)	\??\b:	xkvcep.exe
File opened (read-only)	\??\k:	xkvcep.exe
File opened (read-only)	\??\p:	xkvcep.exe
File opened (read-only)	\??\r:	xkvcep.exe
File opened (read-only)	\??\t:	xkvcep.exe
File opened (read-only)	\??\x:	xkvcep.exe
File opened (read-only)	\??\j:	xkvcep.exe
File opened (read-only)	\??\m:	xkvcep.exe
File opened (read-only)	\??\n:	xkvcep.exe
File opened (read-only)	\??\w:	xkvcep.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	xkvcep.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\mohfwp	delopsqvq.exe
File created	\??\c:\Program Files\mohfwp\xkvcep.dll	delopsqvq.exe
File created	\??\c:\Program Files\mohfwp\xkvcep.exe	delopsqvq.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	xkvcep.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-15_078909d30cbb2de63184207035048a31_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	delopsqvq.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
2964	cmd.exe
2880	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	xkvcep.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	xkvcep.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2880	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4304	xkvcep.exe
4304	xkvcep.exe
4304	xkvcep.exe
4304	xkvcep.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4304	xkvcep.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5156	2026-07-15_078909d30cbb2de63184207035048a31_elex_wannacry.exe
5256	delopsqvq.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5156 wrote to memory of 2964	5156	2026-07-15_078909d30cbb2de63184207035048a31_elex_wannacry.exe	87
PID 2964 wrote to memory of 2880	2964	cmd.exe	89
PID 2964 wrote to memory of 5256	2964	cmd.exe	90
PID 5256 wrote to memory of 4304	5256	delopsqvq.exe	91

C:\Users\Admin\AppData\Local\Temp\2026-07-15_078909d30cbb2de63184207035048a31_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-15_078909d30cbb2de63184207035048a31_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5156
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\delopsqvq.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-15_078909d30cbb2de63184207035048a31_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2964
- - 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:2880
- - C:\Users\Admin\AppData\Local\Temp\delopsqvq.exe
    C:\Users\Admin\AppData\Local\Temp\\delopsqvq.exe "C:\Users\Admin\AppData\Local\Temp\2026-07-15_078909d30cbb2de63184207035048a31_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:5256
  - - \??\c:\Program Files\mohfwp\xkvcep.exe
      "c:\Program Files\mohfwp\xkvcep.exe" "c:\Program Files\mohfwp\xkvcep.dll",Clean C:\Users\Admin\AppData\Local\Temp\delopsqvq.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:4304

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

xkvcep.exe

Path C:\Program Files\mohfwp\xkvcep.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

delopsqvq.exe

Path C:\Users\Admin\AppData\Local\Temp\delopsqvq.exe
Size 389KB
SHA256 df8735b1a8186ba097e40e6212f56374585b99603423b240cf115ca73f1ca545
MD5 376c70040d016909669d18703eb8d0a6
SHA1 aaa91c128f7e118e1d3d76261b2e0958a0804684
SHA512 dace90e5183fbaf0a1f49abf0cd2ff7a53dfe61342e055355fa58ebaee8f850b280929fbaaf51f03aef693df6e2820f7dafe58945ea42c365bb34c88e24ddc98
SSDEEP 12288:jgmYA/n0eDBjQPphdxmj2LcAEmlb+UpFpgF:CeDBjG7dxK2wXml1FpK
TLSH
T1C18412019DE1C869D8016FB592AB5930C3C6AF5C1B1433D35BC4B94FEE34EAE693A0A5
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

xkvcep.dll

Path \??\c:\Program Files\mohfwp\xkvcep.dll
Size 160KB
SHA256 48a7c5ca2e8f664e9fd851955abf3a352239bc21253b59f1daa004a4e300652c
MD5 93d796c2d87d94569fec92b54c7885d4
SHA1 397eca269671cdf7abec27c1cad73caf14cfad13
SHA512 76cf4ffd6a83a50e633934f2d6b4aaa90646d367d780e29abfbdb73d5c76d6026b2236bed283794f61748b1a8034fe1efef402e9ba4c3f88128ebab635a4ef19
SSDEEP 3072:dBcJyrxHLhpvNlQ+Iyrz9GwDq1t/phHpAFhi2nugTSCTW2EVxlBjlJU/ne4VEb8y:k4NrhFNljIC99236h3uacPnxJUPe4QL
TLSH
T1BDF301C325DBDCF4D44F57752C02C6AFB968B550666DCE2BCBA46A0E3C9268CB14C316
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4304-10-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/4304-11-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/4304-13-0x0000000010000000-0x0000000010058000-memory.dmp

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memory/5156-0-0x0000000000400000-0x000000000045D000-memory.dmp

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memory/5156-2-0x0000000000400000-0x000000000045D000-memory.dmp

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memory/5256-7-0x0000000000400000-0x000000000045D000-memory.dmp

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