MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16bb2b729c044eb246f01fcdeb1ced10047865d4b1136ca04a9bb1e59f2952e2. 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: 7


Intelligence 7 IOCs YARA 7 File information Comments

SHA256 hash: 16bb2b729c044eb246f01fcdeb1ced10047865d4b1136ca04a9bb1e59f2952e2
SHA3-384 hash: 0d9930b7a0b5e77ffd43138f99ede96ea3951edc81ea5fa4633c8d39f90b5595c21d45710e8a24ce277abcaa3ae503c0
SHA1 hash: 1a8d55fc354dcc176aac037b85d1baa14c6c800c
MD5 hash: f5e3a80de3fe5deabb98ace7acd43d03
humanhash: mockingbird-jupiter-oklahoma-march
File name:default.dat
Download: download sample
File size:14'311'471 bytes
First seen:2026-07-25 00:52:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dcaf48c1f10b0efa0a4472200f3850ed (471 x Efimer, 60 x BlankGrabber, 22 x SalatStealer)
ssdeep 393216:Yt+jeiC6iQvf+nQs920QXMCHWUjXEcuI3/PGTAI:Y8Sqi9tM0QXMb8XRH/O7
TLSH T1B1E6339879C047FBE772413DD9E596B6E1A8B0DB4771C4AB0B14CB25CE0B1F04A39A63
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 71f0f0e8e8e0f070 (6 x Efimer)
Reporter aachum
Tags:ClickFix Efimer exe


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

Intelligence


File Origin
# of uploads :
1
# of downloads :
158
Origin country :
ES ES
Vendor Threat Intelligence
Malware configuration found for:
PyInstaller
Details
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
Creating a window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug expand installer-heuristic lolbin masquerade microsoft_visual_cc overlay packed packed packed pyinstaller reconnaissance
Gathering data
Gathering data
Threat name:
Win64.Malware.Yogi
Status:
Malicious
First seen:
2026-07-25 00:53:41 UTC
File Type:
PE+ (Exe)
Extracted files:
482
AV detection:
8 of 36 (22.22%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution pyarmor pyinstaller
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:
16bb2b729c044eb246f01fcdeb1ced10047865d4b1136ca04a9bb1e59f2952e2
MD5 hash:
f5e3a80de3fe5deabb98ace7acd43d03
SHA1 hash:
1a8d55fc354dcc176aac037b85d1baa14c6c800c
SH256 hash:
09a90db5243e6d2423266ad5a8ee63a7b519e16444671d09fa97d8197cfb5be2
MD5 hash:
0f9919bd3b61483e999c741ceedab71a
SHA1 hash:
c19591f853f1d5d99fee59f8221586d39e451c15
SH256 hash:
36585912e5eaf83ba9fea0631534f690ccdc2d7ba91537166fe53e56c221e153
MD5 hash:
862f820c3251e4ca6fc0ac00e4092239
SHA1 hash:
ef96d84b253041b090c243594f90938e9a487a9a
SH256 hash:
a5c6a329698490a035133433928d04368ce6285bb91a9d074fc285de4c9a32a4
MD5 hash:
16855ebef31c5b1ebe767f1c617645b3
SHA1 hash:
315521f3a748abfa35cd4d48e8dd09d0556d989b
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PyInstaller
Author:Obscurity Labs LLC
Description:Detects PyInstaller compiled executables across platforms
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:PyInstaller
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
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
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 16bb2b729c044eb246f01fcdeb1ced10047865d4b1136ca04a9bb1e59f2952e2

(this sample)

  
Delivery method
Distributed via web download

Comments