MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdbacc0365e49c8df5d9f604db4bed0a67c161e82c4d6a06cca9bba101db7d30. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bdbacc0365e49c8df5d9f604db4bed0a67c161e82c4d6a06cca9bba101db7d30
SHA3-384 hash: 208e399e8c8ca68b38b331fc4ecd0f3dfbb8f96038541d9298a64b2108cf79939ef1f03667442fecb98dddf7b4fe3d46
SHA1 hash: d035e574daf220495be1ed33e07793005bd2bbe2
MD5 hash: e29dbe534aefb80c169bfb057a94acc3
humanhash: hamper-oven-carpet-uranus
File name:default.dat
Download: download sample
Signature Efimer
Create hunting rule
File size:14'319'646 bytes
First seen:2026-07-10 23:52:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dcaf48c1f10b0efa0a4472200f3850ed (238 x Efimer, 60 x BlankGrabber, 22 x NetSupport)
ssdeep 393216:8g3xxOJ81gIfhohIlyS6drXMCHWUjXGcuI3/PGTAI:8g3HpohI0drXMb8X7H/O7
TLSH T114E63358A9D049FEDEB3003CADE2A9A5F53978740B23C99B039857A0BD572F44E3D352
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 71d88ea29ac6e471 (4 x Efimer)
Reporter aachum
Tags:ClickFix Efimer exe


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

Intelligence

File Origin
# of uploads :
1
# of downloads :
146
Origin country :
ES ES
Vendor Threat Intelligence
Malware configuration found for:
PyInstaller
Details
Link:
https://research.acce.ciphertechsolutions.com/results/b776a40b-4157-49f3-9c9b-ae3e17d17c94/
Malware family:
n/a
ID:
1
File name:
_bdbacc0365e49c8df5d9f604db4bed0a67c161e82c4d6a06cca9bba101db7d30.exe
Verdict:
No threats detected
Analysis date:
2026-07-10 23:54:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f80821b0-1542-43f6-b51d-aa9b814d7475

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/74197/
Detection(s):
SecuriteInfo.com.Variant.Dropper.354.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a5185c713f68731ed6b8030
Tags:
installer shell sage
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
Link:
https://www.filescan.io/uploads/6a5185c04736546be275bf4e/reports/d3a5626f-c87d-4a7b-8cf4-bb1b54a69de0/overview
Verdict:
Malicious
Labled as:
Yogi.Generic
Link:
https://www.hybrid-analysis.com/sample/bdbacc0365e49c8df5d9f604db4bed0a67c161e82c4d6a06cca9bba101db7d30
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-07-10T20:59:00Z UTC
Last seen:
2026-07-11T21:43:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Python.Agent.gen HEUR:Trojan-PSW.Python.Agent.gen
Link:
https://opentip.kaspersky.com/bdbacc0365e49c8df5d9f604db4bed0a67c161e82c4d6a06cca9bba101db7d30/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ca0d05c5-bb2f-4849-af03-dbe60fdf2a53
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1940824
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: 1940824 Sample: default.dat.exe Startdate: 11/07/2026 Architecture: WINDOWS Score: 72 56 Multi AV Scanner detection for submitted file 2->56 58 Joe Sandbox ML detected suspicious sample 2->58 60 Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet 2->60 62 Sigma detected: Suspicious Script Execution From Temp Folder 2->62 8 default.dat.exe 31 2->8         started        12 svchost.exe 1 1 2->12         started        process3 dnsIp4 46 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 8->46 dropped 48 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 8->48 dropped 50 C:\Users\user\AppData\Local\...\python313.dll, PE32+ 8->50 dropped 52 15 other files (none is malicious) 8->52 dropped 66 Adds a directory exclusion to Windows Defender 8->66 68 Found pyInstaller with non standard icon 8->68 15 default.dat.exe 1 8->15         started        54 127.0.0.1 unknown unknown 12->54 file5 signatures6 process7 signatures8 72 Adds a directory exclusion to Windows Defender 15->72 18 cmd.exe 1 15->18         started        21 cmd.exe 1 15->21         started        23 cmd.exe 1 15->23         started        25 9 other processes 15->25 process9 signatures10 64 Adds a directory exclusion to Windows Defender 18->64 27 powershell.exe 23 18->27         started        30 conhost.exe 18->30         started        32 powershell.exe 23 21->32         started        34 conhost.exe 21->34         started        36 powershell.exe 23 23->36         started        38 conhost.exe 23->38         started        40 powershell.exe 25->40         started        42 powershell.exe 25->42         started        44 16 other processes 25->44 process11 signatures12 70 Loading BitLocker PowerShell Module 32->70
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bdbacc0365e49c8df5d9f604db4bed0a67c161e82c4d6a06cca9bba101db7d30
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/e29dbe534aefb80c169bfb057a94acc3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bdbacc0365e49c8df5d9f604db4bed0a67c161e82c4d6a06cca9bba101db7d30/
Verdict:
Malicious
Threat:
Trojan.Python.Agent
Link:
https://tip.neiki.dev/file/bdbacc0365e49c8df5d9f604db4bed0a67c161e82c4d6a06cca9bba101db7d30
Threat name:
Win64.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2026-07-10 23:54:11 UTC
File Type:
PE+ (Exe)
Extracted files:
482
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xw5mya3f4soi35oz6ycnws7nbjt4cypifrgwubwmvg52cao3puya._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution pyarmor pyinstaller
Link:
https://tria.ge/reports/260710-3wzraaas2s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
bdbacc0365e49c8df5d9f604db4bed0a67c161e82c4d6a06cca9bba101db7d30
MD5 hash:
e29dbe534aefb80c169bfb057a94acc3
SHA1 hash:
d035e574daf220495be1ed33e07793005bd2bbe2
Link:
https://www.unpac.me/results/6f8b635e-d2b5-4dca-a5e6-b5e1261145a4/
SH256 hash:
36585912e5eaf83ba9fea0631534f690ccdc2d7ba91537166fe53e56c221e153
MD5 hash:
862f820c3251e4ca6fc0ac00e4092239
SHA1 hash:
ef96d84b253041b090c243594f90938e9a487a9a
Link:
https://www.unpac.me/results/6f8b635e-d2b5-4dca-a5e6-b5e1261145a4/
SH256 hash:
78de4b9afa72e0efbf249ce83456c453a0ed6ef9d2db8f7c9686e37d47aa589d
MD5 hash:
68b8e73ed20e6206f0c9bb02ba32c49e
SHA1 hash:
a8045b69d768f3a6f8d1fd3c5a353c48845697fb
Link:
https://www.unpac.me/results/6f8b635e-d2b5-4dca-a5e6-b5e1261145a4/
SH256 hash:
a5c6a329698490a035133433928d04368ce6285bb91a9d074fc285de4c9a32a4
MD5 hash:
16855ebef31c5b1ebe767f1c617645b3
SHA1 hash:
315521f3a748abfa35cd4d48e8dd09d0556d989b
Link:
https://www.unpac.me/results/6f8b635e-d2b5-4dca-a5e6-b5e1261145a4/
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/bdbacc0365e49c8df5d9f604db4bed0a67c161e82c4d6a06cca9bba101db7d30

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

Efimer

Executable exe bdbacc0365e49c8df5d9f604db4bed0a67c161e82c4d6a06cca9bba101db7d30

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/74197/

Comments