MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28e838bca38d402be2669364c269c54e2c5d41e53c140a369c8e28664d5e2468. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28e838bca38d402be2669364c269c54e2c5d41e53c140a369c8e28664d5e2468
SHA3-384 hash: 2114c22ef141a99fcae936bfa12c888421a2771afafd328254a57604cf98d5efefa79bff5454b474c87cb1d70010dba3
SHA1 hash: f0c3153ab7494f984f34dc369e6e60fb150419df
MD5 hash: 63b0dd474484c7d3ae9a0d95450b79f6
humanhash: alabama-georgia-september-alaska
File name:63b0dd474484c7d3ae9a0d95450b79f6.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'194'779 bytes
First seen:2023-07-26 15:32:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'503 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 24576:+2lJ2BL/BZEliZ9c+iByZMuqEu01IJnV0qvixxrCBeJKavoXDdHY8Mh9GxanV:+2f2T4+iBypqE/2VZixIqjgDd48MhMxS
Threatray 163 similar samples on MalwareBazaar
TLSH T1EF45233294928DF7E8A3C6758971E628197B7AE47C3DB7A47EFC8E4E0F762804504316
TrID 50.8% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.6% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
1
# of downloads :
271
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
63b0dd474484c7d3ae9a0d95450b79f6.exe
Verdict:
Suspicious activity
Analysis date:
2023-07-26 15:49:01 UTC
Tags:
installer
Link:
https://app.any.run/tasks/de1a6702-cb48-43eb-88f4-b9f1ec63f9a2

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/434111/
Detection(s):
SecuriteInfo.com.FileRepMalware.11994.27711.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Launching the process to interact with network services
Modifying a system file
Sending a custom TCP request
Launching a process
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/28e838bca38d402be2669364c269c54e2c5d41e53c140a369c8e28664d5e2468
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
RedLine stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b6da3656-aad4-4810-bc91-568edcc83e8c
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1280375
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1280375 Sample: HaXW3ZC467.exe Startdate: 26/07/2023 Architecture: WINDOWS Score: 100 53 45.12.253.98 CMCSUS Germany 2->53 55 Snort IDS alert for network traffic 2->55 57 Found malware configuration 2->57 59 Antivirus detection for URL or domain 2->59 61 7 other signatures 2->61 10 HaXW3ZC467.exe 2 2->10         started        signatures3 process4 file5 37 C:\Users\user\AppData\...\HaXW3ZC467.exe.tmp, PE32 10->37 dropped 13 HaXW3ZC467.exe.tmp 11 102 10->13         started        process6 file7 39 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->39 dropped 41 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->41 dropped 43 C:\...\unins000.exe (copy), PE32 13->43 dropped 45 8 other files (6 malicious) 13->45 dropped 16 FISpacer726.exe 20 13->16         started        20 net.exe 1 13->20         started        process8 dnsIp9 47 45.12.253.56, 49690, 80 CMCSUS Germany 16->47 49 45.12.253.72, 49691, 80 CMCSUS Germany 16->49 51 45.12.253.75, 49692, 80 CMCSUS Germany 16->51 35 C:\Users\user\AppData\...\iAUdU0wy.exe, PE32 16->35 dropped 22 iAUdU0wy.exe 16->22         started        25 cmd.exe 1 16->25         started        27 conhost.exe 20->27         started        29 net1.exe 1 20->29         started        file10 process11 signatures12 63 Multi AV Scanner detection for dropped file 22->63 31 taskkill.exe 1 25->31         started        33 conhost.exe 25->33         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28e838bca38d402be2669364c269c54e2c5d41e53c140a369c8e28664d5e2468/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-07-26 15:33:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fdudrpfdrvacxytgsnsme2ofjywf2qpfhqkaunu4ryugmtk6erua._file
Verdict:
malicious
Similar samples:
0824b117cd7e5ca894368feea852ffe7aefb584974ab8bf7ad87a53422e5effc
GCleaner
2803ae07af0576674bbe5b71be2061c85fb0cd18d9daf78bcd4f8e38a836fe6b
GCleaner
4c86cd82bbd7ff9d6061d6469c92d1e81e9a5dfb3805a8e62bc7d94d99f85218
GCleaner
59eec0291982627f2173cf765b4205736c4f4bea3ad6a5b6995dd83215487c46
GCleaner
5ca99f44f6fe145ee8c9faf8aee72a8560af62a7b0f63db3b5306020eaef8619
GCleaner
af0fdd68cdda6201f5549c393836182d2dc450aff3c456556bc9b07c2a72d569
GCleaner
bd8196d15198965d4ba84e9113ab0926d68f3fd532f9770190cba2518dbb18e7
GCleaner
c0eb4f6136ced01edd1b17b7dfceddcbbbad6126038df543b4409b967da0f380
GCleaner
dbce465600f880bdff8e64742a1728049bf44ffe7c7aec9f605e87ab859921df
GCleaner
fb9debaa8cfc0e3851bc7af4227915e79187e051ae9941ed8ae658b3fb1ac7ec
GCleaner
+ 153 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230726-sy8rvsdf68/
Behaviour
Kills process with taskkill
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
GCleaner
Malware Config
C2 Extraction:
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Unpacked files
SH256 hash:
939094f55da7846750a17b5d5e4f44f00b19a561bd1037867e7235c1559018ec
MD5 hash:
a1b7ddb3a3f9918dcd5773daee3c32e6
SHA1 hash:
24e7281b1fe79d5fd53426ac73e980af796fda5e
Link:
https://www.unpac.me/results/d5717a5b-c708-49eb-bfcf-f637c867a7cd/
SH256 hash:
e53520a38acc92470c2301c7672db9e4b5b3e090f4a4074ed2b33738d26221ea
MD5 hash:
16f76f707fb5ae2f45a5ba1dded20e41
SHA1 hash:
da46cf3938fde2332eae7e8d5da39cd41c7492b8
Link:
https://www.unpac.me/results/d5717a5b-c708-49eb-bfcf-f637c867a7cd/
SH256 hash:
62d7c943fbfc43627dcccbdd11249126fda8369e02e5622475edfef2cf83156d
MD5 hash:
5647c8f2569de7986cc55b399f99d33b
SHA1 hash:
a98962b2e8566c2e21d4e800d4006e37bb5590f5
Link:
https://www.unpac.me/results/d5717a5b-c708-49eb-bfcf-f637c867a7cd/
SH256 hash:
28e838bca38d402be2669364c269c54e2c5d41e53c140a369c8e28664d5e2468
MD5 hash:
63b0dd474484c7d3ae9a0d95450b79f6
SHA1 hash:
f0c3153ab7494f984f34dc369e6e60fb150419df
Link:
https://www.unpac.me/results/d5717a5b-c708-49eb-bfcf-f637c867a7cd/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/28e838bca38d402be2669364c269c54e2c5d41e53c140a369c8e28664d5e2468

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:win_gcleaner_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.gcleaner.

File information

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

Web download

GCleaner

Executable exe 28e838bca38d402be2669364c269c54e2c5d41e53c140a369c8e28664d5e2468

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/434111/

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