MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 526b4b1d14e29c40e4b21404b253cfeb6b9d359e6f2fcafdb192362700a17673. 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: 10


Intelligence 10 IOCs YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 526b4b1d14e29c40e4b21404b253cfeb6b9d359e6f2fcafdb192362700a17673
SHA3-384 hash: 1ac00de29b02c86dfdcb8b353fe08e8a3dc108dfeaf444fcc9d4264d542a5b80a74ab4de54a51f4f38af23cdfe6753f6
SHA1 hash: f36bd6adad56a8736383e9931c27108b08aad841
MD5 hash: 21ad484ae2fe3ff53fa073915f6138f2
humanhash: finch-march-colorado-music
File name:file
Download: download sample
File size:7'374'464 bytes
First seen:2025-12-03 09:57:59 UTC
Last seen:2025-12-03 10:08:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4035d2883e01d64f3e7a9dccb1d63af5 (47 x ServHelper, 20 x LummaStealer, 17 x Rhadamanthys)
ssdeep 98304:oFE3b5baIQssAqHMHhmD/V2xsOpM07gM2VtG7U:oSb5uM/yMI/V2xf607gpnyU
TLSH T1AC760812A9968479C7A9F23491516251B7317C2843333BF7EFD82A660D7EFC02B39B19
gimphash aef550e03687ec35b1c6e39fbb801e150cae027ef3e0415aef8f2d37b0306fc4
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter Bitsight
Tags:dropped-by-amadey exe fbf543 signed

Code Signing Certificate

Organisation:githab.com
Issuer:R13
Algorithm:sha256WithRSAEncryption
Valid from:2025-10-16T07:06:41Z
Valid to:2026-01-14T07:06:40Z
Serial number: 06811e3acd8227232ee58a61ecd714a9b643
Thumbprint Algorithm:SHA256
Thumbprint: 8ffd4431bd36fe216cadda33dd64ce2803e7bac52941a0b82fa8da980e7ef0df
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
Bitsight
url: http://178.16.55.189/files/380743829/Va4iu4b.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
94
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-12-03 10:00:14 UTC
Tags:
stealer stealc vidar xor-url generic golang
Link:
https://app.any.run/tasks/64be3325-65e0-43f1-909a-851febdfb870

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/42245/
Gathering data
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=693009ba264b106bd64655ff
Tags:
ransomware injection emotet virus
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm golang signed
Link:
https://www.filescan.io/uploads/693009b737f663155c35f68c/reports/488e81d3-d967-44e0-9d8e-ef608c7e0cf7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/526b4b1d14e29c40e4b21404b253cfeb6b9d359e6f2fcafdb192362700a17673
Result
Gathering data
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-03T05:21:00Z UTC
Last seen:
2025-12-03T06:11:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/526b4b1d14e29c40e4b21404b253cfeb6b9d359e6f2fcafdb192362700a17673/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ffe297a1-68d7-4089-b656-506fc6c22855
Score:
87%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/526b4b1d14e29c40e4b21404b253cfeb6b9d359e6f2fcafdb192362700a17673
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/526b4b1d14e29c40e4b21404b253cfeb6b9d359e6f2fcafdb192362700a17673/
Verdict:
Malicious
Threat:
Family.STEALC
Link:
https://tip.neiki.dev/file/526b4b1d14e29c40e4b21404b253cfeb6b9d359e6f2fcafdb192362700a17673
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kjvuwhiu4koebzfscqcleu6p5nvz2nm6n4x4v7nrsi3coafbozzq._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar stealer
Link:
https://tria.ge/reports/251203-lzkyvsxpgj/
Behaviour
Detects Vidar Stealer
Vidar
Vidar family
Unpacked files
SH256 hash:
526b4b1d14e29c40e4b21404b253cfeb6b9d359e6f2fcafdb192362700a17673
MD5 hash:
21ad484ae2fe3ff53fa073915f6138f2
SHA1 hash:
f36bd6adad56a8736383e9931c27108b08aad841
Link:
https://www.unpac.me/results/bcdc9531-5f99-475e-be87-08922bd79fa1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/526b4b1d14e29c40e4b21404b253cfeb6b9d359e6f2fcafdb192362700a17673

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
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:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

Executable exe 526b4b1d14e29c40e4b21404b253cfeb6b9d359e6f2fcafdb192362700a17673

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3721665/
  
URLhaus
https://urlhaus.abuse.ch/url/3724081/
Cape
Cape
https://www.capesandbox.com/analysis/42245/

Comments