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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ccd0a1b439fb4fc8977c48b8361c2d041e240e897d423aa7019fe6efb5410ad5. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ccd0a1b439fb4fc8977c48b8361c2d041e240e897d423aa7019fe6efb5410ad5
SHA3-384 hash: 795debe3ae382c05733d8d073aaeb89abc2556600eb80c4c29ea15c7d06feb13abd8c72e7fbbeb1cf151e30a8211e6ac
SHA1 hash: 1c5e03fff10c126f51687c2aa5378e2033047782
MD5 hash: 454d4e3e306cb450d303ad19ea19ddbc
humanhash: four-blue-carbon-romeo
File name:ADVANCE_TT_SLIP.bat.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:375'561 bytes
First seen:2026-05-20 16:34:47 UTC
Last seen:2026-06-08 09:26:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e2a592076b17ef8bfb48b7e03965a3fc (419 x GuLoader, 63 x RemcosRAT, 52 x AgentTesla)
ssdeep 6144:a4t6LsCB7fXyMBDmJrmUdLvm/nM/BJM0AqkPLkX4WlpmEgihaA8aVr0Sq5y9GrVm:akCBLXy8mKAS/niM/PLaoi8I0STAtEX
TLSH T1578412023E90C59BD4754271CAA5E5F679884EF4F72E8F4F0F503FADB872A064B0925A
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 e4e4c0ccd8d2f2da (4 x GuLoader, 1 x RemcosRAT)
Reporter TomU
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
55
Origin country :
CH CH
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/9326de09-0002-44cd-be7f-88f3159b80dd/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
f5042edbf89363f7688edde81add59d3a5b8a6797cf377e44af7054ca587ae4a.zip
Verdict:
Malicious activity
Analysis date:
2026-05-10 23:56:31 UTC
Tags:
arch-exec remcos rat
Link:
https://app.any.run/tasks/10f25a1a-6efe-4c95-bbe5-e220016b62c2

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/66666/
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0de3224159ce11f601bde8
Tags:
injection obfusc virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Creating a file in the Windows directory
Creating a file in the %temp% directory
Delayed reading of the file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Sending a custom TCP request
DNS request
Connection attempt
Sending an HTTP GET request
Сreating synchronization primitives
Setting a keyboard event handler
Connection attempt to an infection source
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug installer installer installer-heuristic masquerade microsoft_visual_cc nsis packed reconnaissance
Link:
https://www.filescan.io/uploads/6a0de31c8def8655bd610a52/reports/387bfeab-df55-49e3-aaba-603244a4195b/overview
Verdict:
Suspicious
Labled as:
Malware_
Link:
https://www.hybrid-analysis.com/sample/ccd0a1b439fb4fc8977c48b8361c2d041e240e897d423aa7019fe6efb5410ad5
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-10T19:03:00Z UTC
Last seen:
2026-05-22T13:15:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/ccd0a1b439fb4fc8977c48b8361c2d041e240e897d423aa7019fe6efb5410ad5/results?tab=lookup
Malware family:
NSIS
Create hunting rule
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c5277c5c-684e-411e-b99b-1980bf779e8a
Score:
60%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/ccd0a1b439fb4fc8977c48b8361c2d041e240e897d423aa7019fe6efb5410ad5
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ccd0a1b439fb4fc8977c48b8361c2d041e240e897d423aa7019fe6efb5410ad5/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Suspicious
First seen:
2026-05-10 22:04:38 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ztikdnbz7nh4rf34jc4dmhbnaqpcidujpvbdvjybt7to7nkbblkq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:remotehost collection discovery downloader rat spyware stealer
Link:
https://tria.ge/reports/260520-t3z6ysdz3n/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Checks installed software on the system
Contacts third-party web service commonly abused for C2
Loads dropped DLL
Reads user/profile data of web browsers
Family: Guloader,Cloudeye
Family: Remcos
Malware Config
C2 Extraction:
103.67.163.0:2404
Unpacked files
SH256 hash:
ccd0a1b439fb4fc8977c48b8361c2d041e240e897d423aa7019fe6efb5410ad5
MD5 hash:
454d4e3e306cb450d303ad19ea19ddbc
SHA1 hash:
1c5e03fff10c126f51687c2aa5378e2033047782
Link:
https://www.unpac.me/results/dc2adcff-05ca-4851-a062-7c09bae938a7/
SH256 hash:
bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
MD5 hash:
17ed1c86bd67e78ade4712be48a7d2bd
SHA1 hash:
1cc9fe86d6d6030b4dae45ecddce5907991c01a0
Link:
https://www.unpac.me/results/dc2adcff-05ca-4851-a062-7c09bae938a7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.79
Link:
https://yomi.yoroi.company/submissions/ccd0a1b439fb4fc8977c48b8361c2d041e240e897d423aa7019fe6efb5410ad5

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:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
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.

File information

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

Malspam

GuLoader

Executable exe ccd0a1b439fb4fc8977c48b8361c2d041e240e897d423aa7019fe6efb5410ad5

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/66666/

Comments