farfli | 1bb221bc43ce9d84a2b3a91e77d0049bf9a116abb7edbbc7307d18f7fef46c89

Analysis

max time kernel
150s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
11/05/2026, 03:00

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General

Target
2026-05-11_c139a3994e926e4ed562402d282230b2_coinminer_elex_wannacry.exe
Size 284KB
Sample260511-dhm3wsdy9n
SHA256 1bb221bc43ce9d84a2b3a91e77d0049bf9a116abb7edbbc7307d18f7fef46c89
MD5 c139a3994e926e4ed562402d282230b2
SHA1 6a412fda8618544da8dae21b84f09379401b3759
SHA512 0eead3e46ed8d33419d9b7353c4ce2bc88a105a1b66947c37217cefcd776f5b2ac8eefd281c7952e016a45fb94fc245e3a3b1ee5fffb2e11efe8614bd6d5bed2
SSDEEP 3072:qtaoOzbY5l/Tx1DUDcbouGYefD5h1zZCBgb3EInA3rdCKA9bwpfMrgsAHuskkycS:qtatPE5Txvev1zQBgexOdw6rpI9Fs29
TLSH
T170547C1233E44869E4EA3E32CE76A630D7FAE9759C33D66F03D4430E5A36A04CB55366
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/3392-14-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli
behavioral2/memory/3392-15-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli
behavioral2/memory/3392-20-0x0000000010000000-0x0000000010038000-memory.dmp	family_farfli

Detects executables containing base64 encoded User Agent 3 IoCs

resource	yara_rule
behavioral2/memory/3392-14-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3392-15-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
behavioral2/memory/3392-20-0x0000000010000000-0x0000000010038000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent

UPX dump on OEP (original entry point) 8 IoCs

resource	yara_rule
behavioral2/memory/1200-0-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral2/memory/1200-2-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral2/files/0x001b00000002b3c0-4.dat	UPX
behavioral2/memory/3640-10-0x0000000000400000-0x000000000043F000-memory.dmp	UPX
behavioral2/files/0x001a00000002b3c6-11.dat	UPX
behavioral2/memory/3392-14-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/memory/3392-15-0x0000000010000000-0x0000000010038000-memory.dmp	UPX
behavioral2/memory/3392-20-0x0000000010000000-0x0000000010038000-memory.dmp	UPX

Deletes itself 1 IoCs

pid	Process
3640	kdpiq.exe

Executes dropped EXE 2 IoCs

pid	Process
3640	kdpiq.exe
3392	jsa.exe

Loads dropped DLL 1 IoCs

pid	Process
3392	jsa.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-1-5-21-3119821332-640943685-2562343641-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vicity = "c:\\Program Files\\thjzq\\jsa.exe \"c:\\Program Files\\thjzq\\jsaar.dll\",Group"	jsa.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)	\??\o:	jsa.exe
File opened (read-only)	\??\p:	jsa.exe
File opened (read-only)	\??\q:	jsa.exe
File opened (read-only)	\??\v:	jsa.exe
File opened (read-only)	\??\y:	jsa.exe
File opened (read-only)	\??\h:	jsa.exe
File opened (read-only)	\??\m:	jsa.exe
File opened (read-only)	\??\r:	jsa.exe
File opened (read-only)	\??\s:	jsa.exe
File opened (read-only)	\??\w:	jsa.exe
File opened (read-only)	\??\z:	jsa.exe
File opened (read-only)	\??\i:	jsa.exe
File opened (read-only)	\??\k:	jsa.exe
File opened (read-only)	\??\t:	jsa.exe
File opened (read-only)	\??\e:	jsa.exe
File opened (read-only)	\??\g:	jsa.exe
File opened (read-only)	\??\j:	jsa.exe
File opened (read-only)	\??\n:	jsa.exe
File opened (read-only)	\??\u:	jsa.exe
File opened (read-only)	\??\x:	jsa.exe
File opened (read-only)	\??\a:	jsa.exe
File opened (read-only)	\??\b:	jsa.exe
File opened (read-only)	\??\l:	jsa.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	jsa.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x001a00000002b3c6-11.dat	upx
behavioral2/memory/3392-14-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/memory/3392-15-0x0000000010000000-0x0000000010038000-memory.dmp	upx
behavioral2/memory/3392-20-0x0000000010000000-0x0000000010038000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\thjzq	kdpiq.exe
File created	\??\c:\Program Files\thjzq\jsaar.dll	kdpiq.exe
File created	\??\c:\Program Files\thjzq\jsa.exe	kdpiq.exe
File opened for modification	\??\c:\Program Files\thjzq\jsa.exe	kdpiq.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	jsa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-05-11_c139a3994e926e4ed562402d282230b2_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	kdpiq.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
4432	PING.EXE
4632	cmd.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	jsa.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	jsa.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4432	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3392	jsa.exe
3392	jsa.exe
3392	jsa.exe
3392	jsa.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3392	jsa.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1200	2026-05-11_c139a3994e926e4ed562402d282230b2_coinminer_elex_wannacry.exe
3640	kdpiq.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 4632	1200	2026-05-11_c139a3994e926e4ed562402d282230b2_coinminer_elex_wannacry.exe	79
PID 4632 wrote to memory of 4432	4632	cmd.exe	81
PID 4632 wrote to memory of 3640	4632	cmd.exe	82
PID 3640 wrote to memory of 3392	3640	kdpiq.exe	83

C:\Users\Admin\AppData\Local\Temp\2026-05-11_c139a3994e926e4ed562402d282230b2_coinminer_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-11_c139a3994e926e4ed562402d282230b2_coinminer_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\kdpiq.exe "C:\Users\Admin\AppData\Local\Temp\2026-05-11_c139a3994e926e4ed562402d282230b2_coinminer_elex_wannacry.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4632
- - 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:4432
- - C:\Users\Admin\AppData\Local\Temp\kdpiq.exe
    C:\Users\Admin\AppData\Local\Temp\\kdpiq.exe "C:\Users\Admin\AppData\Local\Temp\2026-05-11_c139a3994e926e4ed562402d282230b2_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:3640
  - - \??\c:\Program Files\thjzq\jsa.exe
      "c:\Program Files\thjzq\jsa.exe" "c:\Program Files\thjzq\jsaar.dll",Group C:\Users\Admin\AppData\Local\Temp\kdpiq.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:3392

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

jsa.exe

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

Submit Download

kdpiq.exe

Path C:\Users\Admin\AppData\Local\Temp\kdpiq.exe
Size 284KB
SHA256 53a57125e7892362c593d35161606f3fe958918ec15fde7bdc9ebda94e5ba9a7
MD5 f3512889e5b38d414bee17dab7eca9f6
SHA1 38629eac6df2900e0ede447260e730be220ee00a
SHA512 1daca33423d7210afaa885c6bb7e5196194adf13caf1780444c1bea1ebc08e1cecfed114bf2c50c4bfff58f362813373efe349b012e9f6089f6e553a9e58fde2
SSDEEP 3072:qtaoOzbY5l/Tx1DUDcbouGYefD5h1zZCBgb3EInA3rdCKA9bwpfMrgsAHuskkycS:qtatPE5Txvev1zQBgexOdw6rpI9Fs29
TLSH
T19A547C1233E44869E4EA3E32CE76A630D7FAE9759C33D66F03D4430E5A36A04CB55366
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

jsaar.dll

Path \??\c:\Program Files\thjzq\jsaar.dll
Size 97KB
SHA256 a93cb6e3e073ef4c32bd90e97824d35c25a753361804ab3c75fa2e0e3c4cdcd1
MD5 912c5fcbd1e3b39727138d1f284bcb78
SHA1 0cd3d0e2f768ee723684dcbe927b6fab6686b40f
SHA512 0db0740b4437933a00e8329b10f2288d1fc54811e83bd38bdf1e7aecfd315f110b78c56d32cd2c97b8d3ecc91897b9e5aba69627ba48b4c5880a62b936514546
SSDEEP 3072:BDpG6gzgHr5tCmfk455ecDBkdq+SStvAbGY:5pG6Sg9txRk/SS6bGY
TLSH
T139A301FA290D7DD6CB354839D2528E35FA29EE348C589F887ECE6C13ACB8510E1645F1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1200-0-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/1200-2-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/3392-14-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/3392-15-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/3392-16-0x0000000000BA0000-0x0000000000D4C000-memory.dmp

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memory/3392-20-0x0000000010000000-0x0000000010038000-memory.dmp

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memory/3640-10-0x0000000000400000-0x000000000043F000-memory.dmp

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