MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c60f568244136d6ea1af2159ea85be3bb5058bbb464c8e4f979268dd9a9027f. 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



Efimer


Vendor detections: 8


Intelligence 8 IOCs YARA 7 File information Comments

SHA256 hash: 9c60f568244136d6ea1af2159ea85be3bb5058bbb464c8e4f979268dd9a9027f
SHA3-384 hash: cc79ef67499c181bd90b8b25173709c1c3b2b4c9a1ac162430aaf1b41a14226d1c8ae52361162abbf41e45f176256b4e
SHA1 hash: 2bd0ff8fbf456364650bdd22b52078cbca595e48
MD5 hash: 851d82fdbc98057e893c8fb6510add04
humanhash: two-network-white-chicken
File name:default.dat
Download: download sample
Signature Efimer
File size:14'293'501 bytes
First seen:2026-07-23 16:52:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dcaf48c1f10b0efa0a4472200f3850ed (451 x Efimer, 60 x BlankGrabber, 22 x SalatStealer)
ssdeep 393216:waLXqHXNhZLLUS5ppo8OwteXMCHWUjXycuI3/PGTAI:waTqJLLUSPpVteXMb8XPH/O7
TLSH T193E633185AD002DEEAF3513CBFA2A0A5F5EAB4A68771C5DB47B887646E530C11C3DB43
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 7071e4d6a6e4f030 (8 x Efimer)
Reporter aachum
Tags:ClickFix Efimer exe


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

Intelligence


File Origin
# of uploads :
1
# of downloads :
229
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
Launching a service
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
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Malware.Yogi
Status:
Malicious
First seen:
2026-07-23 16:53:38 UTC
File Type:
PE+ (Exe)
Extracted files:
482
AV detection:
9 of 36 (25.00%)
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:
9c60f568244136d6ea1af2159ea85be3bb5058bbb464c8e4f979268dd9a9027f
MD5 hash:
851d82fdbc98057e893c8fb6510add04
SHA1 hash:
2bd0ff8fbf456364650bdd22b52078cbca595e48
SH256 hash:
36585912e5eaf83ba9fea0631534f690ccdc2d7ba91537166fe53e56c221e153
MD5 hash:
862f820c3251e4ca6fc0ac00e4092239
SHA1 hash:
ef96d84b253041b090c243594f90938e9a487a9a
SH256 hash:
9bfbc9e9f1469688c040c51d66320fdd755977f1e844c6dbabe7ec4a12b89034
MD5 hash:
4f089509bdb47c9d1d1c1698154f6bff
SHA1 hash:
0f60da13eefb0eacd9921a168ffe37ac2ad9192b
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

Efimer

Executable exe 9c60f568244136d6ea1af2159ea85be3bb5058bbb464c8e4f979268dd9a9027f

(this sample)

  
Delivery method
Distributed via web download

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