MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f85c795e38bd714fd320ce2888c6eb3d445723cd586c3db1411e443fb69edd7f. 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


Threat unknown


Vendor detections: 11


Intelligence 11 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f85c795e38bd714fd320ce2888c6eb3d445723cd586c3db1411e443fb69edd7f
SHA3-384 hash: f0270a574eee0d1bcf2848014d80f4cfbabc1edba9c840d5799631cc32844f2b348ffb3ddfd31818693d3baea703c705
SHA1 hash: 3bbe67845c033d712dd7b0f5c22a37e4d5ca390b
MD5 hash: 1e0e6fc873098ca705b15bf80ee22b64
humanhash: east-mississippi-finch-pennsylvania
File name:default.dat
Download: download sample
File size:14'317'192 bytes
First seen:2026-07-18 01:52:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dcaf48c1f10b0efa0a4472200f3850ed (378 x Efimer, 60 x BlankGrabber, 22 x SalatStealer)
ssdeep 393216:6guLmmJA68r3dxLfqe1OKmXMCHWUjXlcuI3/PGTAI:6gO7A6+SXMb8XSH/O7
TLSH T1F4E63358A2D002FFE6B34138FEE1E059D2A1B4B90B33C98F4B4887669D572F1493DA57
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
dhash icon 38dcf8f8fcf8e040 (6 x Efimer)
Reporter aachum
Tags:ClickFix Efimer exe


Avatar
iamaachum
https://tuasesoriadigital.es/default.dat

Intelligence

File Origin
# of uploads :
1
# of downloads :
154
Origin country :
ES ES
Vendor Threat Intelligence
Malware configuration found for:
PyInstaller
Details
Link:
https://research.acce.ciphertechsolutions.com/results/bd1a5635-4d47-42e7-b703-ba6df1e262bc/
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/75066/
Detection(s):
SecuriteInfo.com.Variant.Dropper.354.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a5adc6ab3055706bb559083
Tags:
shell virus sage
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
Creating a window
Launching a service
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug dropper expand installer-heuristic lolbin masquerade microsoft_visual_cc overlay packed packed packed pyinstaller reconnaissance
Link:
https://www.filescan.io/uploads/6a5adc69a357dde6e8fb683c/reports/df761fa5-a26b-4a36-b71c-065b5c6c2edc/overview
Verdict:
Malicious
Labled as:
Yogi.Generic
Link:
https://www.hybrid-analysis.com/sample/f85c795e38bd714fd320ce2888c6eb3d445723cd586c3db1411e443fb69edd7f
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-07-17T23:55:00Z UTC
Last seen:
2026-07-19T22:12:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f85c795e38bd714fd320ce2888c6eb3d445723cd586c3db1411e443fb69edd7f/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8d867207-688a-47a3-b3c6-96c36cea74f4
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1944517
Signature
Adds a directory exclusion to Windows Defender
Found pyInstaller with non standard icon
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Script Execution From Temp Folder
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1944517 Sample: default.dat.exe Startdate: 18/07/2026 Architecture: WINDOWS Score: 72 51 Multi AV Scanner detection for submitted file 2->51 53 Joe Sandbox ML detected suspicious sample 2->53 55 Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet 2->55 57 Sigma detected: Suspicious Script Execution From Temp Folder 2->57 8 default.dat.exe 31 2->8         started        process3 file4 43 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 8->43 dropped 45 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 8->45 dropped 47 C:\Users\user\AppData\Local\...\python313.dll, PE32+ 8->47 dropped 49 15 other files (none is malicious) 8->49 dropped 61 Adds a directory exclusion to Windows Defender 8->61 63 Found pyInstaller with non standard icon 8->63 12 default.dat.exe 1 8->12         started        signatures5 process6 signatures7 65 Adds a directory exclusion to Windows Defender 12->65 15 cmd.exe 1 12->15         started        18 cmd.exe 1 12->18         started        20 cmd.exe 1 12->20         started        22 9 other processes 12->22 process8 signatures9 67 Adds a directory exclusion to Windows Defender 15->67 24 powershell.exe 23 15->24         started        27 conhost.exe 15->27         started        29 powershell.exe 22 18->29         started        31 conhost.exe 18->31         started        33 powershell.exe 20 20->33         started        35 conhost.exe 20->35         started        37 powershell.exe 22->37         started        39 powershell.exe 22->39         started        41 16 other processes 22->41 process10 signatures11 59 Loading BitLocker PowerShell Module 29->59
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f85c795e38bd714fd320ce2888c6eb3d445723cd586c3db1411e443fb69edd7f
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/1e0e6fc873098ca705b15bf80ee22b64
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f85c795e38bd714fd320ce2888c6eb3d445723cd586c3db1411e443fb69edd7f/
Threat name:
Win64.Trojan.Yogi
Create hunting rule
Status:
Malicious
First seen:
2026-07-18 01:53:42 UTC
File Type:
PE+ (Exe)
Extracted files:
482
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7bohsxryxvyu7uzazyuirrxlhvcfoi6nlbwd3mkbdzcd7nu63v7q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution pyarmor pyinstaller
Link:
https://tria.ge/reports/260718-carknscv5p/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Executes a command shell one-liner
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
f85c795e38bd714fd320ce2888c6eb3d445723cd586c3db1411e443fb69edd7f
MD5 hash:
1e0e6fc873098ca705b15bf80ee22b64
SHA1 hash:
3bbe67845c033d712dd7b0f5c22a37e4d5ca390b
Link:
https://www.unpac.me/results/da301d90-7395-4a51-8ee7-2b67c8a373fd/
SH256 hash:
1919517950728930ee8a86b2892c0fe3fa3e20b28df5ed4719d79e724202772a
MD5 hash:
a6f619d9bb44c1373012900dfdcbf833
SHA1 hash:
125abf1ef82d047788fdccbfaf294a9571393f2b
Link:
https://www.unpac.me/results/da301d90-7395-4a51-8ee7-2b67c8a373fd/
SH256 hash:
36585912e5eaf83ba9fea0631534f690ccdc2d7ba91537166fe53e56c221e153
MD5 hash:
862f820c3251e4ca6fc0ac00e4092239
SHA1 hash:
ef96d84b253041b090c243594f90938e9a487a9a
Link:
https://www.unpac.me/results/da301d90-7395-4a51-8ee7-2b67c8a373fd/
SH256 hash:
a5c6a329698490a035133433928d04368ce6285bb91a9d074fc285de4c9a32a4
MD5 hash:
16855ebef31c5b1ebe767f1c617645b3
SHA1 hash:
315521f3a748abfa35cd4d48e8dd09d0556d989b
Link:
https://www.unpac.me/results/da301d90-7395-4a51-8ee7-2b67c8a373fd/
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/f85c795e38bd714fd320ce2888c6eb3d445723cd586c3db1411e443fb69edd7f

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:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PyInstaller
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PyInstaller compiled executables across platforms
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:PyInstaller
Create hunting rule
Author:@bartblaze
Description:Identifies executable converted using PyInstaller. This rule by itself does NOT necessarily mean the detected file is malicious.
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:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

File information

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

Web download

Executable exe f85c795e38bd714fd320ce2888c6eb3d445723cd586c3db1411e443fb69edd7f

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/75066/

Comments