MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c821e8b3af28342dd4b32a281cdf1c9f08531ea85811ff82e44e5a23b2414a2. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c821e8b3af28342dd4b32a281cdf1c9f08531ea85811ff82e44e5a23b2414a2
SHA3-384 hash: 9880dfa28b49a0eb3b60ad965448a4db34b869548e2c96cffe7b03db522a33e8b6971e006c1f0916d1ffdfeedf8ccb9f
SHA1 hash: 2eb4b0601ace67c2d1846eceb97e708a809e1612
MD5 hash: 33bbf60952da13ac774f1508298d8ec3
humanhash: alanine-king-fourteen-mars
File name:33bbf60952da13ac774f1508298d8ec3.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'755'961 bytes
First seen:2023-06-20 06:50:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'445 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:2GagILkCNuHrU+nKmCQQwJTuJDvjfwDER2Y/cSGaC3wF9VgSpyGapaYXZWXuN:fagZC2fnjVmjfwDERP/jGf3o9VgSRapX
Threatray 7 similar samples on MalwareBazaar
TLSH T1FAD523554BACD551C0FD8CF9FFE133D8B134A0202AB601EA69BB663BE8A564D1E3B144
TrID 61.1% (.EXE) Inno Setup installer (109740/4/30)
23.9% (.EXE) InstallShield setup (43053/19/16)
7.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.5% (.EXE) Win32 Executable (generic) (4505/5/1)
1.1% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon cc3271cccc65328e (8 x GCleaner)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
1
# of downloads :
263
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
33bbf60952da13ac774f1508298d8ec3.exe
Verdict:
Malicious activity
Analysis date:
2023-06-20 07:14:21 UTC
Tags:
installer gcleaner loader rat redline
Link:
https://app.any.run/tasks/a43e5454-650b-49bf-ba70-86a9c3c96035

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/400884/
Detection(s):
SecuriteInfo.com.Adware.Bestcode.10.23973.2984.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for the window
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
Launching a process
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcleaner greyware installer lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/64914c5b3067ea15b65684a1/reports/09ae899d-af04-4ebd-ba37-580ef1b8158d/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/1c821e8b3af28342dd4b32a281cdf1c9f08531ea85811ff82e44e5a23b2414a2
Result
Verdict:
UNKNOWN
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:
Raccoon Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/71fc3e5b-b684-4d37-9a29-56748d70ed80
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1257954
Signature
Antivirus detection for dropped file
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: 890974 Sample: u8wZ43JAmb.exe Startdate: 20/06/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus detection for URL or domain 2->53 55 7 other signatures 2->55 10 u8wZ43JAmb.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-ICUQ1.tmp, PE32 10->31 dropped 13 is-ICUQ1.tmp 10 24 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 13->37 dropped 39 6 other files (5 malicious) 13->39 dropped 16 Rec620.exe 20 13->16         started        process8 dnsIp9 41 45.12.253.56, 49694, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49695, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49696, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\hrWx8A5cg7n.exe, PE32 16->29 dropped 20 hrWx8A5cg7n.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1c821e8b3af28342dd4b32a281cdf1c9f08531ea85811ff82e44e5a23b2414a2/
Threat name:
Win32.Adware.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-06-20 06:51:10 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
2 of 37 (5.41%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dsbb5cz26kbufxklgkridtprzhyikmpkqwar76boits2eozecsra._file
Verdict:
malicious
Similar samples:
0a0c50dbc5d0c9811bfd0552ddd075e0e1df2cf07049cc546e41f9bf08cb8290
GCleaner
10edfa4412d628cdc545e44580f8be59cce735221e16a276db3adf4d3249efa8
GCleaner
4508befe4b8012035c52c7aaccbe89b9f75919bdcc86feb8fe79ae01fdea8179
GCleaner
6ef3cb86624f365a270577001d0845baa4d89cdfb74909e933359047fa55dc6d
GCleaner
774ae4107d461361d672eb14e89dd4aec312cc1b880e7b24c0cbad40c774c0ce
GCleaner
bacec47b2b2ffb2f8446b883726f40f312aadfd83d697b6081bd595ff49030f2
GCleaner
f99105d3e75dd3ff6a90047b7ba912f4fcec7234695b9355a5d9cfb6db0fb05c
GCleaner
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230620-hmhq7aae96/
Behaviour
Kills process with taskkill
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:
614ddc2d9fa682bc7cdc958388a457fca2b85b6804cf4c39d38c5b4a749f7f0c
MD5 hash:
ef40589a6e8c32fb9e127c122d658e86
SHA1 hash:
5cd9f4ce79d23211f8cfa7e93b6465e6c2f45adc
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/346d970f-49fe-4b47-a288-887e9baf121b/
SH256 hash:
17a4da4827b619b59708c0fe4d8d00c5656eb6c486004071c61ca398a84a8c32
MD5 hash:
fed82f8078c3ba305405c6a71dae5f98
SHA1 hash:
7c6d69418c185ddef53ef9357c5db7c330f24233
Link:
https://www.unpac.me/results/346d970f-49fe-4b47-a288-887e9baf121b/
SH256 hash:
1c821e8b3af28342dd4b32a281cdf1c9f08531ea85811ff82e44e5a23b2414a2
MD5 hash:
33bbf60952da13ac774f1508298d8ec3
SHA1 hash:
2eb4b0601ace67c2d1846eceb97e708a809e1612
Link:
https://www.unpac.me/results/346d970f-49fe-4b47-a288-887e9baf121b/
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/1c821e8b3af28342dd4b32a281cdf1c9f08531ea85811ff82e44e5a23b2414a2

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 1c821e8b3af28342dd4b32a281cdf1c9f08531ea85811ff82e44e5a23b2414a2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/400884/

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