MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 87efcded6a04790242c61a043b55375c7cfbdf2e500806fc247cd29fb8756e91. 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: 15
| SHA256 hash: | 87efcded6a04790242c61a043b55375c7cfbdf2e500806fc247cd29fb8756e91 |
|---|---|
| SHA3-384 hash: | 812395d542f5e9c34020c66a2f59d12cdcac35fbfbfd4a8cbb55fb7cbcb991a64bc42408e219bdba44dfb8cce6d05803 |
| SHA1 hash: | 6b6c31ef3e17e6a81804fc088607bf1d1571037a |
| MD5 hash: | f5072721dc30dacf0de5ebfee5f55316 |
| humanhash: | high-november-steak-coffee |
| File name: | file |
| Download: | download sample |
| Signature | GCleaner |
| File size: | 3'912'992 bytes |
| First seen: | 2025-10-13 04:05:00 UTC |
| Last seen: | 2025-10-13 04:10:15 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | da69e04b921ba242383b7a8376a58523 (3 x GCleaner) |
| ssdeep | 98304:obA8UKP+A2rDPPDQuOA161B1sORAjQqXJwu5mYZ3u:wt/R2rDPPk/1sO2jQqZwimP |
| Threatray | 180 similar samples on MalwareBazaar |
| TLSH | T10D06D01E8263CC21C7C77E365D3884782A29AD942438DFB11BBB24B8C555F3575ACEE2 |
| 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 |  Bitsight |
| Tags: | dropped-by-amadey exe gcleaner |
Intelligence
File Origin
# of uploads :
4
# of downloads :
176
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-10-13 04:07:44 UTC
Tags:
auto generic gcleaner loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
99.9%
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
Connection attempt to an infection source
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
adaptive-context borland_delphi fingerprint invalid-signature keylogger obfuscated packed packed packer_detected signed
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-13T01:15:00Z UTC
Last seen:
2025-10-15T02:09:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win32.Agentb.gen
Verdict:
Suspicious
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.GCLEANER
Threat name:
Win32.Trojan.GCleaner
Status:
Malicious
First seen:
2025-10-13 04:05:51 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
22 of 24 (91.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
gcleaner
Similar samples:
+ 170 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
discovery
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
Downloads MZ/PE file
Verdict:
Malicious
Tags:
Win.Trojan.Agen-9846052-0
YARA:
n/a
Unpacked files
SH256 hash:
c22083cfcba48cf1e53f9560087d3318734e72d1638de20ed5a6d4d1576b63ae
MD5 hash:
17a2a2fd55f935ae892d45237c6307b0
SHA1 hash:
24e7ebcb68f5e422ba1224515cb82a4cb2583f5d
Detections:
GCleaner
SH256 hash:
d3d3224b50e7ff955cba76e05f5058471add627c6f15658420146040192b3e1b
MD5 hash:
61f30fea94c55ee3199526448a73e58f
SHA1 hash:
71c175173df87bda7ffc77b2208b28f04bbdc628
SH256 hash:
87efcded6a04790242c61a043b55375c7cfbdf2e500806fc247cd29fb8756e91
MD5 hash:
f5072721dc30dacf0de5ebfee5f55316
SHA1 hash:
6b6c31ef3e17e6a81804fc088607bf1d1571037a
Malware family:
GCleaner
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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 |
|---|---|
| Author: | malware-lu |
| Rule name: | Borland |
|---|---|
| Author: | malware-lu |
| Rule name: | Check_OutputDebugStringA_iat |
|---|
| Rule name: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | shellcode |
|---|---|
| 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.
Web download
Dropped by
Amadey
Delivery method
Distributed via web download
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.