MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b84b1d98e5faac4a9cb10eabd8b25d67055e67629579ae82e6543de4a27d5d88. 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


CredentialFlusher


Vendor detections: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b84b1d98e5faac4a9cb10eabd8b25d67055e67629579ae82e6543de4a27d5d88
SHA3-384 hash: 6b992d88a1d5ba974be5d95fbe49dafc03a94a718f43420c0715e641d59047f5d2acd416a85f28ecf24a51657516467f
SHA1 hash: bfca0151256d41623e4ccb5fc761a276de483823
MD5 hash: 114c2a773de69bfd29b7e1a2e44269d4
humanhash: mobile-table-north-idaho
File name:random.exe
Download: download sample
Signature CredentialFlusher
Create hunting rule
File size:2'380'288 bytes
First seen:2025-09-18 06:25:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 49152:mfO6F6itBnaPDWwSzbx53/RxotvqkEm8uXkPj6Hyr6cVLOshiNu:mfFbtBnaLWdbP3uyrnuqGHIfLyNu
TLSH T1F0B53317C99859B5F858EF3064F89E172AB33E305CD41771891B9CE6ACF0283E256D2B
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:CredentialFlusher exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
random.exe
Verdict:
Malicious activity
Analysis date:
2025-09-18 06:35:10 UTC
Tags:
credentialflusher themida autoit
Link:
https://app.any.run/tasks/bc0a9002-116c-4e25-a0c2-d154eb14e6df

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/28058/
Detection(s):
no reply from clamd
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68cba64288b954439247a154
Tags:
vmdetect virus sage zusy
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Creating a window
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for the window
Launching a process
Searching for the browser window
Connection attempt
DNS request
Sending a custom TCP request
Launching a tool to kill processes
Forced shutdown of a browser
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm microsoft_visual_cc obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/68cba69373287948292e62b0/reports/e58fd913-67bb-4f3d-b50c-8884be8e6774/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b84b1d98e5faac4a9cb10eabd8b25d67055e67629579ae82e6543de4a27d5d88
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-17T11:23:00Z UTC
Last seen:
2025-09-17T11:23:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b84b1d98e5faac4a9cb10eabd8b25d67055e67629579ae82e6543de4a27d5d88/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/c129d044-9c0c-4ade-a8e4-b0b0be91fa6c
Result
Threat name:
Credential Flusher
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1779732
Signature
Antivirus / Scanner detection for submitted sample
Binary is likely a compiled AutoIt script file
Detected unpacking (changes PE section rights)
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Potentially malicious time measurement code found
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Yara detected Credential Flusher
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1779732 Sample: random.exe Startdate: 18/09/2025 Architecture: WINDOWS Score: 100 49 youtube.com 2->49 51 youtube-ui.l.google.com 2->51 53 79 other IPs or domains 2->53 61 Antivirus / Scanner detection for submitted sample 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 Yara detected Credential Flusher 2->65 67 2 other signatures 2->67 8 random.exe 2->8         started        11 firefox.exe 1 2->11         started        13 firefox.exe 2->13         started        signatures3 process4 signatures5 69 Detected unpacking (changes PE section rights) 8->69 71 Binary is likely a compiled AutoIt script file 8->71 73 Tries to detect sandboxes and other dynamic analysis tools (window names) 8->73 75 5 other signatures 8->75 15 taskkill.exe 1 8->15         started        17 taskkill.exe 1 8->17         started        19 taskkill.exe 1 8->19         started        27 3 other processes 8->27 21 firefox.exe 3 444 11->21         started        25 firefox.exe 13->25         started        process6 dnsIp7 29 conhost.exe 15->29         started        31 conhost.exe 17->31         started        33 conhost.exe 19->33         started        55 youtube-ui.l.google.com 142.250.189.14, 443, 49689, 49690 GOOGLEUS United States 21->55 57 pki-goog.l.google.com 172.217.12.131, 49699, 80 GOOGLEUS United States 21->57 59 17 other IPs or domains 21->59 45 C:\Users\user\AppData\...\gmpopenh264.dll.tmp, PE32+ 21->45 dropped 47 C:\Users\user\...\gmpopenh264.dll (copy), PE32+ 21->47 dropped 35 firefox.exe 1 21->35         started        37 firefox.exe 1 21->37         started        39 firefox.exe 21->39         started        41 conhost.exe 27->41         started        43 conhost.exe 27->43         started        file8 process9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b84b1d98e5faac4a9cb10eabd8b25d67055e67629579ae82e6543de4a27d5d88
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/114c2a773de69bfd29b7e1a2e44269d4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b84b1d98e5faac4a9cb10eabd8b25d67055e67629579ae82e6543de4a27d5d88/
Threat name:
Win32.Infostealer.Tinba
Create hunting rule
Status:
Malicious
First seen:
2025-09-17 16:52:47 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbfr3ghf7kwevhfrb2v5rms5m4cv4z3csv425axgkq66jit5lwea._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery persistence
Link:
https://tria.ge/reports/250918-g8lvasxpt8/
Behaviour
Checks processor information in registry
Kills process with taskkill
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5bc33bdf-dc0f-4a11-931e-18cb7a420b3f
Unpacked files
SH256 hash:
b84b1d98e5faac4a9cb10eabd8b25d67055e67629579ae82e6543de4a27d5d88
MD5 hash:
114c2a773de69bfd29b7e1a2e44269d4
SHA1 hash:
bfca0151256d41623e4ccb5fc761a276de483823
Link:
https://www.unpac.me/results/9cb645fd-f19c-455a-8514-626961d1adb8/
SH256 hash:
3aa97b6ad98fd1f378ce133d8ef71b6024f934592aebed27fd470f598debb0b6
MD5 hash:
fff0446268dd7262c18f44632bee0034
SHA1 hash:
cadbfa166b22a504bab9a6b00e1ecea911baad16
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/9cb645fd-f19c-455a-8514-626961d1adb8/
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/b84b1d98e5faac4a9cb10eabd8b25d67055e67629579ae82e6543de4a27d5d88

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

CredentialFlusher

Executable exe b84b1d98e5faac4a9cb10eabd8b25d67055e67629579ae82e6543de4a27d5d88

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3622234/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/28058/

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