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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 388ef0f3583c64da135373eb3f64a5f19ae579dbf2d049d307c3d9d2e6025dca. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 388ef0f3583c64da135373eb3f64a5f19ae579dbf2d049d307c3d9d2e6025dca
SHA3-384 hash: ec90b65f96ff13a40132850e7a62ba8af8a5ce97e4f8102c4f3917ad048820d0900af86e25d627b50506cc8ecedb1adc
SHA1 hash: 0bc36e7585a66ba3a6e53d24b91263afb3784fe8
MD5 hash: 7dacb9603717c08148576c395b986fae
humanhash: kansas-sweet-ink-romeo
File name:388ef0f3583c64da135373eb3f64a5f19ae579dbf2d049d307c3d9d2e6025dca
Download: download sample
Signature GuLoader
Create hunting rule
File size:346'272 bytes
First seen:2026-10-19 07:50:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash 1f23f452093b5c1ff091a2f9fb4fa3e9 (305 x GuLoader, 47 x AgentTesla, 47 x RemcosRAT)
ssdeep 6144:eIw3QR4rAhqRFLHr7Ixq41lv9nEEv3GtqpXFSH6UtiH5:NR4rA8FLHXIVb9n/fGtq9s5tiZ
TLSH T14774D0077700D3B2EC688230A86F46471B35BC7DD6927B5B72D4F32929F2166C51EBA8
TrID 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win64 Executable (generic) (6522/11/2)
8.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 72e9f8e4e6acc849 (1 x GuLoader)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Forvaltningsmyndighederne
Issuer:Forvaltningsmyndighederne
Algorithm:sha256WithRSAEncryption
Valid from:2026-07-22T23:32:32Z
Valid to:2027-07-22T23:32:32Z
Serial number: 74d5c8b9535fe96bfdbd7c4f832dc9f6700a0160
Thumbprint Algorithm:SHA256
Thumbprint: e719639e4f292599e3af715b9ac8e1e1fd691259f644b89472cb4cab4ca001fb
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
90
Origin country :
HU HU
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/7ffc31a9-2cb0-41a7-b51f-b64b7baef915/
Malware family:
guloader
Create hunting rule
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-10-19 10:34:58 UTC
Tags:
guloader
Link:
https://app.any.run/tasks/b2b23bfa-bfc6-47e5-990a-238e8ce4b348

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/92724/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ad5dc9a5a22ac805bd7dc46
Tags:
injection obfusc crypt
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Delayed reading of the file
Sending a custom TCP request
Restart of the analyzed sample
Gathering data
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/388ef0f3583c64da135373eb3f64a5f19ae579dbf2d049d307c3d9d2e6025dca
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-09-03T03:54:00Z UTC
Last seen:
2026-10-21T03:50:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/388ef0f3583c64da135373eb3f64a5f19ae579dbf2d049d307c3d9d2e6025dca/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1fc6aebb-40a3-4dbc-81d1-a9ee840481c7
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/388ef0f3583c64da135373eb3f64a5f19ae579dbf2d049d307c3d9d2e6025dca
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/7dacb9603717c08148576c395b986fae
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/388ef0f3583c64da135373eb3f64a5f19ae579dbf2d049d307c3d9d2e6025dca/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2026-09-03 15:18:45 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hchpb42yhrsnue2topvt6zff6gnok6o36lietuyhypm5fzqclxfa._file
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader defense_evasion discovery downloader privilege_escalation
Link:
https://tria.ge/reports/261019-jpkh8szy6k/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Loads dropped DLL
Family: Guloader,Cloudeye
Unpacked files
SH256 hash:
388ef0f3583c64da135373eb3f64a5f19ae579dbf2d049d307c3d9d2e6025dca
MD5 hash:
7dacb9603717c08148576c395b986fae
SHA1 hash:
0bc36e7585a66ba3a6e53d24b91263afb3784fe8
Link:
https://www.unpac.me/results/83aa318c-3bc4-437b-a824-28acea0f2413/
SH256 hash:
59cdb2c12d5635fd25af4007b70222507948be41fa9885b7f07967c2510a5311
MD5 hash:
82c3f38cd34739872af07443c65d0bd8
SHA1 hash:
1f4ee2d394404a291eda6419f856adaf4b960237
Link:
https://www.unpac.me/results/83aa318c-3bc4-437b-a824-28acea0f2413/
SH256 hash:
f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37
MD5 hash:
8b3830b9dbf87f84ddd3b26645fed3a0
SHA1 hash:
223bef1f19e644a610a0877d01eadc9e28299509
Link:
https://www.unpac.me/results/83aa318c-3bc4-437b-a824-28acea0f2413/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/388ef0f3583c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
Link:
https://yomi.yoroi.company/submissions/388ef0f3583c64da135373eb3f64a5f19ae579dbf2d049d307c3d9d2e6025dca

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:Detect_NSIS_Nullsoft_Installer
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:NSIS
Create hunting rule
Author:kevoreilly
Description:NSIS Integrity Check function
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:Win_Clipboard_Clipper_Thengavar
Create hunting rule
Author:Thengavar
Description:Detects malware manipulating the Windows clipboard for clipping or crypto stealing attacks

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/92724/

Comments