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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0dfc2c6e8167124259ffa9044bf04f3f06b05e8338dc9885f01eec92256eba19. 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


GuLoader


Vendor detections: 5


Intelligence 5 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0dfc2c6e8167124259ffa9044bf04f3f06b05e8338dc9885f01eec92256eba19
SHA3-384 hash: 281b267654c8a41dea3d09593f49c94a0a2f64b04da8366f5f772ebc87903b4a776b1501d1feebb6693fa55eeaed9a22
SHA1 hash: 3566c520cadfdbe2fb1575cf779ac48f75f0e0c6
MD5 hash: 674238aa39e5a96b9a4c04572e7e9e8c
humanhash: angel-saturn-montana-leopard
File name:Request for quotation-TAXC JAVS-1298123432896066_pdf.js
Download: download sample
Signature GuLoader
Create hunting rule
File size:1'016'104 bytes
First seen:2025-10-21 08:57:40 UTC
Last seen:2025-10-21 10:49:04 UTC
File type:Java Script (JS) js
MIME type:application/x-wine-extension-ini
ssdeep 24576:xW5P5xsys5LR7FX1u6mpb6r98LUdsHiddD5lR+ZWK:xW5P5xsys5LR7FX1u6mpb6r98LUdsHis
TLSH T1A4254B60D92C43AE4E972BDDFC4106A2CDBDC604652740FCEBD90B8D62064ECE77E669
Magika javascript
Reporter lowmal3
Tags:GuLoader js

Intelligence

File Origin
# of uploads :
3
# of downloads :
102
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.26863.JsHeur.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f74c163edd081eba4050cd
Tags:
virus spawn blic
Verdict:
Malicious
File Type:
text
First seen:
2025-10-21T05:50:00Z UTC
Last seen:
2025-10-23T07:29:00Z UTC
Hits:
~10000
Detections:
HEUR:Trojan.Script.Agent.gen HEUR:Trojan.Script.Generic
Link:
https://opentip.kaspersky.com/0dfc2c6e8167124259ffa9044bf04f3f06b05e8338dc9885f01eec92256eba19/results?tab=lookup
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1799561
Signature
.NET source code contains potential unpacker
Creates a thread in another existing process (thread injection)
Early bird code injection technique detected
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: System File Execution Location Anomaly
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Uses the Telegram API (likely for C&C communication)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1799561 Sample: Request for quotation-TAXC ... Startdate: 22/10/2025 Architecture: WINDOWS Score: 100 63 api.telegram.org 2->63 65 drive.usercontent.google.com 2->65 67 drive.google.com 2->67 91 Suricata IDS alerts for network traffic 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 Multi AV Scanner detection for submitted file 2->95 99 8 other signatures 2->99 10 powershell.exe 33 2->10         started        13 wscript.exe 1 2 2->13         started        16 explorer.exe 4 13 2->16         started        18 2 other processes 2->18 signatures3 97 Uses the Telegram API (likely for C&C communication) 63->97 process4 file5 115 Early bird code injection technique detected 10->115 117 Writes to foreign memory regions 10->117 119 Found suspicious powershell code related to unpacking or dynamic code loading 10->119 127 4 other signatures 10->127 20 msiexec.exe 10->20         started        25 conhost.exe 10->25         started        61 C:\Users\user\AppData\Roaming\Overg, ASCII 13->61 dropped 121 JScript performs obfuscated calls to suspicious functions 13->121 123 Injects code into the Windows Explorer (explorer.exe) 13->123 125 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->125 27 explorer.exe 13->27         started        29 powershell.exe 14 28 16->29         started        signatures6 process7 dnsIp8 69 192.178.50.33, 443, 49694 GOOGLEUS United States 20->69 59 C:\Users\user\AppData\Roaming\msiexec.exe, PE32 20->59 dropped 101 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->101 103 Writes to foreign memory regions 20->103 105 Creates a thread in another existing process (thread injection) 20->105 113 2 other signatures 20->113 31 msedge.exe 20->31         started        35 firefox.exe 20->35         started        37 chrome.exe 20->37         started        41 8 other processes 20->41 71 drive.usercontent.google.com 142.250.217.193, 443, 49688 GOOGLEUS United States 29->71 73 drive.google.com 172.217.2.206, 443, 49687, 49693 GOOGLEUS United States 29->73 107 Found suspicious powershell code related to unpacking or dynamic code loading 29->107 109 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 29->109 111 Loading BitLocker PowerShell Module 29->111 39 conhost.exe 29->39         started        file9 signatures10 process11 dnsIp12 83 192.168.2.6, 138, 443, 49419 unknown unknown 31->83 85 239.255.255.250 unknown Reserved 31->85 87 Maps a DLL or memory area into another process 31->87 43 msedge.exe 31->43         started        46 setup.exe 31->46         started        48 msedge.exe 31->48         started        53 3 other processes 31->53 50 firefox.exe 35->50         started        signatures13 process14 dnsIp15 75 a434.dscr.akamai.net 23.219.2.27, 443, 49700, 51048 RAYA-ASEG United States 43->75 77 13.107.246.41, 443, 49719, 49732 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 43->77 81 27 other IPs or domains 43->81 55 setup.exe 46->55         started        79 127.0.0.1 unknown unknown 50->79 89 Monitors registry run keys for changes 50->89 57 firefox.exe 50->57         started        signatures16 process17
Verdict:
inconclusive
YARA:
1 match(es)
Link:
https://app.malva.re/file/674238aa39e5a96b9a4c04572e7e9e8c
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bx6cy3ubm4jeewp7vecex4cph4dlaxudhdojrbpqd3wjejloximq._file
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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)

File information

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

Malspam

PhantomStealer

rar 4eff48aab8e16eb897373d905b5f196444ace5adb6bc5560400a7a24a5b5fde6

GuLoader

Java Script (JS) js 0dfc2c6e8167124259ffa9044bf04f3f06b05e8338dc9885f01eec92256eba19

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 4eff48aab8e16eb897373d905b5f196444ace5adb6bc5560400a7a24a5b5fde6
  
Dropped by
MD5 cfb89567314b25327827196240b8c6e6

Comments