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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efaf642bbc98abf4bf4038c8eada7eb60197af7ed7e6468da47155a4d1d2dfc1. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


FunStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efaf642bbc98abf4bf4038c8eada7eb60197af7ed7e6468da47155a4d1d2dfc1
SHA3-384 hash: 51f552b8f1c4931aa550450c775e35f6f3ac681da1cc76944ca689cda768b3bdcac05bc75af8dd7b72264a8b46763841
SHA1 hash: 9c050d83ae4fb9830f1e3dceabf354429021e1cd
MD5 hash: fc8bc99749bb840f3e089b8de5cc1854
humanhash: lactose-winter-rugby-echo
File name:efaf642bbc98abf4bf4038c8eada7eb60197af7ed7e6468da47155a4d1d2dfc1
Download: download sample
Signature FunStealer
Create hunting rule
File size:3'490'816 bytes
First seen:2026-11-09 09:13:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash 3ef2d7ebaba2a790d37602168fc1cf0c (44 x FunStealer)
ssdeep 49152:KyP6yEhe92jVFzhyfMhi7qiIzsO1ROS9jKETiT2/fuPW/6BKgmVmpMD:pP3EA92pth4MgyYO7bLt3uPW/eEf
TLSH T1AEF5334232611FFED87E1278C9750169377A72F6173149BB829F90B8EC615D88FA3D21
TrID 37.0% (.EXE) Win64 Executable (generic) (6522/11/2)
28.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.5% (.EXE) OS/2 Executable (generic) (2029/13)
11.3% (.EXE) Generic Win/DOS Executable (2002/3)
11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter adrian__luca
Tags:exe FunStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
155
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/98771/
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Gathering data
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/efaf642bbc98abf4bf4038c8eada7eb60197af7ed7e6468da47155a4d1d2dfc1
Verdict:
Malicious
File Type:
exe x64
Link:
https://opentip.kaspersky.com/efaf642bbc98abf4bf4038c8eada7eb60197af7ed7e6468da47155a4d1d2dfc1/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/2001432
Signature
Antivirus / Scanner detection for submitted sample
Early bird code injection technique detected
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 2001432 Sample: bkkNHqiy7q.exe Startdate: 09/11/2026 Architecture: WINDOWS Score: 88 19 ninettygifve.net 2->19 21 ninettygifvbckpe.net 2->21 23 Antivirus / Scanner detection for submitted sample 2->23 25 Multi AV Scanner detection for submitted file 2->25 7 bkkNHqiy7q.exe 2->7         started        signatures3 process4 signatures5 27 Early bird code injection technique detected 7->27 29 Writes to foreign memory regions 7->29 31 Maps a DLL or memory area into another process 7->31 33 4 other signatures 7->33 10 WerFault.exe 19 16 7->10         started        13 msedge.exe 7->13         started        15 chrome.exe 7->15         started        process6 file7 17 C:\ProgramData\Microsoft\...\Report.wer, Unicode 10->17 dropped
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/fc8bc99749bb840f3e089b8de5cc1854
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efaf642bbc98abf4bf4038c8eada7eb60197af7ed7e6468da47155a4d1d2dfc1/
Threat name:
Win64.Trojan.AdvML
Create hunting rule
Status:
Malicious
First seen:
2026-11-07 06:15:00 UTC
File Type:
PE+ (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=56xwik54tcv7jp2ahdeovwt6wyazpl3627tendneofk2juos37aq._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
defense_evasion discovery privilege_escalation
Link:
https://tria.ge/reports/261109-k7gezaay9m/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Reads the TCP/IP host and domain name from the registry
Malware Family:
n/a
Verdict:
Malicious
Tags:
injector evasion rat
YARA:
n/a
Link:
https://app.threat.zone/submission/8cd9135d-0ef4-4b36-8566-e3bb26c3f97a
Malware Family:
lazy
Create hunting rule
Malicious:
True
Tags:
64bit peexe file-corrupted polymorphic
Link:
https://intel.virussign.com/intelligence/file/efaf642bbc98abf4bf4038c8eada7eb60197af7ed7e6468da47155a4d1d2dfc1
Unpacked files
SH256 hash:
efaf642bbc98abf4bf4038c8eada7eb60197af7ed7e6468da47155a4d1d2dfc1
MD5 hash:
fc8bc99749bb840f3e089b8de5cc1854
SHA1 hash:
9c050d83ae4fb9830f1e3dceabf354429021e1cd
Link:
https://www.unpac.me/results/5b0874f6-3188-4c55-837c-efdd66636dfd/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/efaf642bbc98abf4bf4038c8eada7eb60197af7ed7e6468da47155a4d1d2dfc1

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:WIN_Malware_Unknown_ForgeAuto_74566f98
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_79234c04
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/98771/

Comments