MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9d4db0662294db86e04201bffc2f83227240e22b5605cce78949203f43b4ef76. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9d4db0662294db86e04201bffc2f83227240e22b5605cce78949203f43b4ef76
SHA3-384 hash: 8f836826ca886001e90108ab3134db6e7dedf4787b680361c58ebe0949f0cd226310558d612cd31f8830738c11ef4629
SHA1 hash: 6d2706bc67cc1e4e3dbc7ad245effe4e324554d2
MD5 hash: 058872f2250e2887d8386cbe902f7ef6
humanhash: victor-jupiter-march-pluto
File name:GPX PR A36 SEC MATERIAL-2107-0200-00.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:52'224 bytes
First seen:2025-08-12 06:09:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 768:Ya7O2+k96M7YizYBFHirxHiSDe82agQ0ltq6+i/77udy6SeGChV/EZsC+XhbwkZI:/Of25zFgq3YLMi/O3G+/EZsZ5FrS
TLSH T17F33090BB68B89B1C354C77ACC9B51204FA4E7D2F6DFC74A398E235618137E9C90526B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter lowmal3
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
49
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
GPX PR A36 SEC MATERIAL-2107-0200-00.rar
Verdict:
Malicious activity
Analysis date:
2025-08-12 06:06:38 UTC
Tags:
purecrypter netreactor evasion stealer ultravnc rmm-tool exfiltration smtp
Link:
https://app.any.run/tasks/5a6fa365-01d1-492b-bcca-2417513b145c

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/20280/
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689adaa0c633abe3908e2a3b
Tags:
autorun micro spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Reading critical registry keys
Launching a service
Setting a keyboard event handler
Creating a window
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 eazfuscator net_reactor obfuscated obfuscated packed
Link:
https://www.filescan.io/uploads/689ada9e9ef4d2ff7cf7b6f2/reports/e059f24c-0e80-44f7-97a1-8f6c34e0da66/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/9d4db0662294db86e04201bffc2f83227240e22b5605cce78949203f43b4ef76
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d34b7a51-710e-478b-9e55-7c0abbe0889b
Result
Threat name:
AgentTesla, PureLog Stealer, ResolverRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1755052
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Check if machine is in data center or colocation facility
Drops VBS files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected ResolverRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1755052 Sample: GPX PR A36 SEC MATERIAL-210... Startdate: 12/08/2025 Architecture: WINDOWS Score: 100 30 mail.taikei-rmc-co.biz 2->30 32 ip-api.com 2->32 34 2 other IPs or domains 2->34 44 Suricata IDS alerts for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 15 other signatures 2->50 8 wscript.exe 1 2->8         started        11 GPX PR A36 SEC MATERIAL-2107-0200-00.exe 15 5 2->11         started        signatures3 process4 dnsIp5 60 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->60 15 TargetId.exe 14 2 8->15         started        40 drive.usercontent.google.com 142.250.81.225, 443, 49692, 49698 GOOGLEUS United States 11->40 42 drive.google.com 142.250.81.238, 443, 49691, 49697 GOOGLEUS United States 11->42 24 C:\Users\user\AppData\Roaming\TargetId.exe, PE32 11->24 dropped 26 C:\Users\...\TargetId.exe:Zone.Identifier, ASCII 11->26 dropped 28 C:\Users\user\AppData\...\TargetId.vbs, ASCII 11->28 dropped 62 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->62 64 Injects a PE file into a foreign processes 11->64 18 GPX PR A36 SEC MATERIAL-2107-0200-00.exe 2 11->18         started        file6 signatures7 process8 dnsIp9 66 Antivirus detection for dropped file 15->66 68 Multi AV Scanner detection for dropped file 15->68 70 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 15->70 78 2 other signatures 15->78 21 TargetId.exe 2 15->21         started        36 ip-api.com 208.95.112.1, 49695, 49700, 80 TUT-ASUS United States 18->36 38 mail.taikei-rmc-co.biz 103.253.42.215, 49696, 49701, 49702 TELE-ASTeleAsiaLimitedHK Hong Kong 18->38 72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->72 74 Tries to steal Mail credentials (via file / registry access) 18->74 76 Installs a global keyboard hook 18->76 signatures10 process11 signatures12 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->52 54 Tries to steal Mail credentials (via file / registry access) 21->54 56 Tries to harvest and steal ftp login credentials 21->56 58 2 other signatures 21->58
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9d4db0662294db86e04201bffc2f83227240e22b5605cce78949203f43b4ef76
Verdict:
inconclusive
YARA:
12 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.55 Win 32 Exe x86
Link:
https://app.malva.re/file/058872f2250e2887d8386cbe902f7ef6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9d4db0662294db86e04201bffc2f83227240e22b5605cce78949203f43b4ef76/
Verdict:
Malicious
Threat:
Family.AGENTTESLA
Link:
https://tip.neiki.dev/file/9d4db0662294db86e04201bffc2f83227240e22b5605cce78949203f43b4ef76
Threat name:
ByteCode-MSIL.Infostealer.Tinba
Create hunting rule
Status:
Malicious
First seen:
2025-08-11 22:29:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tvg3azrcstnynyccag77yl4dejzebyrlkyc4zz4jjeqd6q5u553a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/250812-gwqygsem7z/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Drops startup file
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fcbccbd5-4619-4e18-8230-adab729af87d
Unpacked files
SH256 hash:
9d4db0662294db86e04201bffc2f83227240e22b5605cce78949203f43b4ef76
MD5 hash:
058872f2250e2887d8386cbe902f7ef6
SHA1 hash:
6d2706bc67cc1e4e3dbc7ad245effe4e324554d2
Link:
https://www.unpac.me/results/4a506560-3570-4407-be30-c5b69e74855f/
Malware family:
RedNet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9d4db0662294/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
Link:
https://yomi.yoroi.company/submissions/9d4db0662294db86e04201bffc2f83227240e22b5605cce78949203f43b4ef76

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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

GuLoader

Executable exe 9d4db0662294db86e04201bffc2f83227240e22b5605cce78949203f43b4ef76

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/20280/

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 (GUARD_CF)high

Comments