MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ab9b30fd54bd193ff8cea63ae76a65b28dc66b2be08e86fe33d608a76b84a1b. 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: 9

Intelligence 9 IOCs YARA 21 File information Comments

SHA256 hash:	8ab9b30fd54bd193ff8cea63ae76a65b28dc66b2be08e86fe33d608a76b84a1b
SHA3-384 hash:	ffffd4aea5ec8d5e57d81e5f0792ff127698d6860dab9ae0eff8505bcd1c55450ab6b0437934f7be01d67aa1b6f5ab85
SHA1 hash:	ec528664e6a84816adba8eb36a9637fab03fbd5a
MD5 hash:	f8230acf56d933ef898d61d46a3bcba6
humanhash:	georgia-three-bakerloo-papa
File name:	movie_22505.zip
Download:	download sample
Signature	Efimer Create hunting rule
File size:	3'933'554 bytes
First seen:	2025-08-05 14:56:36 UTC
Last seen:	Never
File type:	zip
MIME type:	application/zip
ssdeep	98304:rtQGMXL+pw8KaB7NoFcHrcX2soWrME5KIVuan8JSiUJtITpk3Zv:raGMOwg7NoEmrNVMJKJtITpk3Zv
TLSH	T1A0063307B17E045D761855C8B0601BA37B612983B8C6934E63FB6B938FED931C25BE9C
TrID	66.6% (.FB2K-COMPONENT) foobar2000 component (8000/1/2) 33.3% (.ZIP) ZIP compressed archive (4000/1)
Magika	zip
Reporter	aachum
Tags:	cgky6bn6ux5wvlybtmm3z255igt52ljml2ngnc5qp3cnw5jlglamisad Efimer rezipped Tor zip

iamaachum

https://onhoneycomb.com/?tv=3361050874

C2: http://cgky6bn6ux5wvlybtmm3z255igt52ljml2ngnc5qp3cnw5jlglamisad.onion/route.php

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

File Archive Information

This file archive contains 4 file(s), sorted by their relevance:

File name:	svcup.exe
File size:	8'984'064 bytes
SHA256 hash:	6b866c187a0dee2fb751a8990d50dc1ed83f68e025720081e4d8e27097067dc8
MD5 hash:	5d132fb6ec6fac12f01687f2c0375353
MIME type:	application/x-dosexec
Signature	Efimer

File name:	btdlg.js
File size:	34'034 bytes
SHA256 hash:	827bde9f43a79da6a622f52bf5541a535e16d4d1718e46261268d5047b29dd50
MD5 hash:	82bd884c6cd400320f32e0dbe875a15f
MIME type:	text/plain
Signature	Efimer

File name:	declaration.exe
File size:	666'624 bytes
SHA256 hash:	65f5cbc86c5a53554b820668976acba6db0646afc735415225d814110daacf09
MD5 hash:	914d73c6059ac6cef1058dc8d047142f
MIME type:	application/x-dosexec
Signature	Efimer

File name:	defendnot.dll
File size:	437'760 bytes
SHA256 hash:	99002686f3e988d6930b18f983fe52b1c6a8a6ff29f223cf8841c25c76136fc8
MD5 hash:	c40dc5157aaba2907fc2accf44359c68
MIME type:	application/x-dosexec
Signature	Efimer

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.PUA.JS.Obfus-2525.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68750bdfc9eb97473768cf8e

Tags:

virus

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

fingerprint microsoft_visual_cc redcap virus

Link:

https://www.filescan.io/uploads/68921bd19ef4d2ff7cebeafb/reports/9c5a7799-5915-4dd9-9863-0f6ce7d0087c/overview

Verdict:

Suspicious

Labled as:

Trojan.Win64.Agent

Link:

https://www.hybrid-analysis.com/sample/8ab9b30fd54bd193ff8cea63ae76a65b28dc66b2be08e86fe33d608a76b84a1b

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/8ab9b30fd54bd193ff8cea63ae76a65b28dc66b2be08e86fe33d608a76b84a1b

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Score:

100%

Verdict:

Malware

File Type:

Result

Malware family:

n/a

Score:

7/10

Tags:

execution

Link:

https://tria.ge/reports/250805-vpavksyjz9/

Behaviour

Suspicious use of WriteProcessMemory

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

Checks computer location settings

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/8ab9b30fd54bd193ff8cea63ae76a65b28dc66b2be08e86fe33d608a76b84a1b

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:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

Rule name:	botnet_plaintext_c2 Create hunting rule
Author:	cip
Description:	Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.

Rule name:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

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:	DebuggerHiding__Active Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	SUSP_obfuscated_JS_obfuscatorio Create hunting rule
Author:	@imp0rtp3
Description:	Detect JS obfuscation done by the js obfuscator (often malicious)
Reference:	https://obfuscator.io

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	upxHook Create hunting rule
Author:	@r3dbU7z
Description:	Detect artifacts from 'upxHook' - modification of UPX packer
Reference:	https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/