MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2a703b827fcb58f31e93168b5224543ed9179887cb3f642fdd57e5260ee84d9. 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: 13


Intelligence 13 IOCs YARA 32 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2a703b827fcb58f31e93168b5224543ed9179887cb3f642fdd57e5260ee84d9
SHA3-384 hash: 15f0ef977986ccb6174643a8501ecae419dacac9a3ce3ed8543999ab5d86be8b14a4c403e2883f10c0936c555cf8d8f2
SHA1 hash: 36c66a4591f0931ee3cf251e0a0236df723cb466
MD5 hash: a235f5fc9515deef30f72df51ff12db5
humanhash: hotel-bacon-winner-sweet
File name:win.exe
Download: download sample
File size:1'889'792 bytes
First seen:2025-07-12 06:55:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6ed4f5f04d62b18d96b26d6db7c18840 (332 x SalatStealer, 78 x BitRAT, 42 x RedLineStealer)
ssdeep 49152:CDmghls3y1+XfWL6Vcp5/R1jg7t5Y1v6me5F5suCGT:omghls5Bq/7925F53
TLSH T1239533168527C01BD01D3A39B33CA395C802C46C8D7976AD22E7CACB657EFEB5749782
TrID 32.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
28.9% (.EXE) Win32 Executable (generic) (4504/4/1)
13.0% (.EXE) OS/2 Executable (generic) (2029/13)
12.8% (.EXE) Generic Win/DOS Executable (2002/3)
12.8% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
14
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_a2a703b827fcb58f31e93168b5224543ed9179887cb3f642fdd57e5260ee84d9.exe
Verdict:
Malicious activity
Analysis date:
2025-07-12 06:59:15 UTC
Tags:
auto-reg upx golang
Link:
https://app.any.run/tasks/1866e96e-d882-4976-b465-ee6bdbaf3eb2

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/13968/
Detection(s):
Win.Malware.Lazy-9969515-0
Create hunting rule

Win.Malware.Chaos-10042703-0
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=687206f3900df8e7f86a0d88
Tags:
lien hype
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
DNS request
Connection attempt
Sending a custom TCP request
Launching a process
Creating a window
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Labled as:
Fragtor.Generic
Link:
https://www.hybrid-analysis.com/sample/a2a703b827fcb58f31e93168b5224543ed9179887cb3f642fdd57e5260ee84d9
Malware family:
Kaiji
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4b1c1162-7c40-4969-848a-1e1aa6f32f31
Result
Threat name:
Chaos
Create hunting rule
Detection:
malicious
Classification:
troj.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1734600
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many different private IPs (likely to spread or exploit)
Drops PE files with benign system names
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: System File Execution Location Anomaly
Uses known network protocols on non-standard ports
Yara detected Chaos
Behaviour
Behavior Graph:
Download SVG
Score:
83%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a2a703b827fcb58f31e93168b5224543ed9179887cb3f642fdd57e5260ee84d9
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) Win 32 Exe x86
Link:
https://app.malva.re/file/a235f5fc9515deef30f72df51ff12db5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a2a703b827fcb58f31e93168b5224543ed9179887cb3f642fdd57e5260ee84d9/
Threat name:
Win32.Ransomware.Apis
Create hunting rule
Status:
Malicious
First seen:
2025-07-11 09:28:00 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uktqhobh7s2y6mpjgfulkisfipwzc6mipsz7mqx52v7feyhoqtmq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence upx
Link:
https://tria.ge/reports/250712-hp2bbabl7z/
Behaviour
GoLang User-Agent
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
UPX packed file
Adds Run key to start application
Executes dropped EXE
Verdict:
Malicious
Tags:
trojan Win.Malware.Lazy-9969515-0
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/8bbc1a96-095c-4f69-8ffb-4001e2e7e469
Unpacked files
SH256 hash:
a2a703b827fcb58f31e93168b5224543ed9179887cb3f642fdd57e5260ee84d9
MD5 hash:
a235f5fc9515deef30f72df51ff12db5
SHA1 hash:
36c66a4591f0931ee3cf251e0a0236df723cb466
Link:
https://www.unpac.me/results/1837d7ee-76e4-47dd-b1e6-3c69adc065db/
SH256 hash:
20240c5ec8e861d2b8f0623d55718aaeade251061f9a59460de24f84b1a50b33
MD5 hash:
48a4deb4fa874912bbf4b4357abfeb22
SHA1 hash:
b17e85bbb4f47b9ed05c49c510a61e845503f96c
Detections:
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Link:
https://www.unpac.me/results/1837d7ee-76e4-47dd-b1e6-3c69adc065db/
SH256 hash:
adcc59c4dcc72f49377fbac84fe05b0ccd5a23b2dd8c9880d77d3f6cde8f367a
MD5 hash:
6581dea9d8a9213f74f4d13d416017bc
SHA1 hash:
ab58c2ad4a323fd6fbd6c874793a5ec1c81468e6
Detections:
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Link:
https://www.unpac.me/results/1837d7ee-76e4-47dd-b1e6-3c69adc065db/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.89
Link:
https://yomi.yoroi.company/submissions/a2a703b827fcb58f31e93168b5224543ed9179887cb3f642fdd57e5260ee84d9

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: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: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:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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: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: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:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:Linux_Generic_Threat_a40aaa96
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Kaiji_91091be3
Create hunting rule
Author:Elastic Security
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
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:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:UPX290LZMAMarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:upx_largefile
Create hunting rule
Author:k3nr9

File information

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

Web download

Executable exe a2a703b827fcb58f31e93168b5224543ed9179887cb3f642fdd57e5260ee84d9

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/13968/
  
URLhaus
https://urlhaus.abuse.ch/url/3580989/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3581006/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA

Comments