MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4b9ac5a080412aae02c21c4f48ef1760aab9807e4e2e3a7f2ceaac68d25a79d. 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


GCleaner


Vendor detections: 14


Intelligence 14 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d4b9ac5a080412aae02c21c4f48ef1760aab9807e4e2e3a7f2ceaac68d25a79d
SHA3-384 hash: 0a017e09d01972e8e49b7fe62a6a1c86dbbf04dcccf4604322484c6ab577e352324133844c413a835e4a2c175fe77faf
SHA1 hash: 596942853c2d52118fa461b51c4f7e64426df8bb
MD5 hash: 79aed18b82f4033d78463bfeb6abeb82
humanhash: dakota-steak-london-seven
File name:79aed18b82f4033d78463bfeb6abeb82
Download: download sample
Signature GCleaner
Create hunting rule
File size:5'340'944 bytes
First seen:2025-12-15 10:12:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0597984f54e5ce19331a61eca0a4a801 (34 x GCleaner)
ssdeep 98304:JV+CZOhR2vybbWqlFFutndBByzrv15OpaMjK763d:JmR2vMPF8dzyzrv14paqt
Threatray 254 similar samples on MalwareBazaar
TLSH T1A036CF21E661927CCDE61D3DC42A29655CB3BFCBFE3865C0B6D149278B6C0A0707B16B
TrID 52.9% (.EXE) Win32 Executable Delphi generic (14182/79/4)
16.8% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) Win16/32 Executable Delphi generic (2072/23)
7.5% (.EXE) OS/2 Executable (generic) (2029/13)
7.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter adrian__luca
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
1
# of downloads :
26
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
79aed18b82f4033d78463bfeb6abeb82
Verdict:
Malicious activity
Analysis date:
2025-12-15 12:22:07 UTC
Tags:
auto generic gcleaner loader
Link:
https://app.any.run/tasks/2520bebc-575f-4876-8c55-a23925c7124b

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/44862/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=693fe440838ad7e48539933a
Tags:
delphi cobalt emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug borland_delphi expired-cert fingerprint installer-heuristic invalid-signature keylogger packed signed
Link:
https://www.filescan.io/uploads/693fe41607486fde67523e71/reports/28d6f36c-63c0-4ba4-9bc0-82bc1aa10c58/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/d4b9ac5a080412aae02c21c4f48ef1760aab9807e4e2e3a7f2ceaac68d25a79d
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-15T00:30:00Z UTC
Last seen:
2025-12-15T07:47:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d4b9ac5a080412aae02c21c4f48ef1760aab9807e4e2e3a7f2ceaac68d25a79d/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/5000e1e7-d7e8-4311-af8e-091c66509930
Score:
55%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/d4b9ac5a080412aae02c21c4f48ef1760aab9807e4e2e3a7f2ceaac68d25a79d
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d4b9ac5a080412aae02c21c4f48ef1760aab9807e4e2e3a7f2ceaac68d25a79d/
Threat name:
Win32.Trojan.GCleaner
Create hunting rule
Status:
Malicious
First seen:
2025-12-15 10:34:40 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2s42ywqiaqjkvybmehcpjdxroyfkxgah4trohj7sz2vmndjfu6oq._file
Verdict:
malicious
Label(s):
gcleaner
Create hunting rule
Similar samples:
1316b2ae0fcb95baad7c55c1b2c108360f9fb5aab764c0ec27c415577d2a0a32
GCleaner
2826e6a27a8fd65d433d0dd8c280dc3e8ab2c34e9c268dd168bb1635d45af49c
GCleaner
2e04d3c1911f7b006ef3f6e2323a94968389615b19ff1efd2c408c75e255ced0
GCleaner
5b5795f581d1df41ad22bbfff2b0d94d273b250f36962fdba619ce38e9bb5184
GCleaner
61206705cc88af9958e5204202f1d6c94f04668e5ad779b4d082c6ce8507261e
GCleaner
8273a34ba0fa19a6472ad638a6db0e280a4a4521ebf987bd689c54e9fc2983f8
GCleaner
8a2d73a285e70d2cb0fd970ce2a0fe531edce68764ab0e6b7a5e0b13352361ff
GCleaner
a7beadc02d06fc7bad9524b16c150c0153fc74b3268c3d2e07db1fdd868a6930
GCleaner
c30dcbe23ae2845454cacb6371e9450b59f9e1c322a09f5aac2478d626366a2d
GCleaner
error
GCleaner
f85e3897a7aedc9ce96986da21a04fa27597fa1e22ee1da4dac56b41af3a07c9
GCleaner
+ 244 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/251215-ml7q5sex4e/
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
GCleaner
Gcleaner family
Malware Config
C2 Extraction:
185.156.73.98
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f7930c38-8fdd-45ec-8da8-6c8e95dc5c0b
Unpacked files
SH256 hash:
d4b9ac5a080412aae02c21c4f48ef1760aab9807e4e2e3a7f2ceaac68d25a79d
MD5 hash:
79aed18b82f4033d78463bfeb6abeb82
SHA1 hash:
596942853c2d52118fa461b51c4f7e64426df8bb
Link:
https://www.unpac.me/results/fcd242d3-5bc4-48ff-b891-6630e6a7712a/
SH256 hash:
6ef8daa50eb0abeb7328e0db1bfaf9a33ef21bcc2eb9891005519bea22ad894b
MD5 hash:
45c50bf7037af10f23023853f36a4807
SHA1 hash:
32d7db13ee6691da9f533b952a125d909a26f864
Link:
https://www.unpac.me/results/fcd242d3-5bc4-48ff-b891-6630e6a7712a/
SH256 hash:
d3d3224b50e7ff955cba76e05f5058471add627c6f15658420146040192b3e1b
MD5 hash:
61f30fea94c55ee3199526448a73e58f
SHA1 hash:
71c175173df87bda7ffc77b2208b28f04bbdc628
Link:
https://www.unpac.me/results/fcd242d3-5bc4-48ff-b891-6630e6a7712a/
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d4b9ac5a0804/report/overview.html
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:BobSoftMiniDelphiBoBBobSoft
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

GCleaner

Executable exe d4b9ac5a080412aae02c21c4f48ef1760aab9807e4e2e3a7f2ceaac68d25a79d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/44862/

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