MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a33f66207f9983e7ca245411b3cfbc6222fa34d0787ee8be0755c384dc5bed1c. 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: a33f66207f9983e7ca245411b3cfbc6222fa34d0787ee8be0755c384dc5bed1c
SHA3-384 hash: 0f8bdeefb8ed6f557cabc437a162c923afb98247d3b00901a645407e80fbf1a3e3131b147e7c249d5f37748ac648df2d
SHA1 hash: 0131ab3bb10b520e8c1809e875457c7db672cf8c
MD5 hash: db9cbd51841da34c493d5967a5a5d315
humanhash: hamper-arkansas-juliet-india
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:3'005'534 bytes
First seen:2023-03-14 10:06:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:AGgwiPmhIGAa30C+C3PhmxBF9eNNLx/9LG6DMxM2CWiYBTmJEx/6ROKz:d98mhIQ35O0N96AlWfBSKx/6ROKz
Threatray 2'236 similar samples on MalwareBazaar
TLSH T17CD5336CE7C98AF5F095BB7D2D3D89249E263C510C24211D627ED38BA12F9213B2D793
TrID 50.3% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.2% (.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 andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://45.12.253.74/pineapple.php?pub=mixinte

Intelligence

File Origin
# of uploads :
1
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-03-14 10:14:33 UTC
Tags:
installer gcleaner rat redline loader ransomware stop stealer
Link:
https://app.any.run/tasks/4f42e121-f9d5-4e33-86d0-62a2e3648a89

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/374207/
Detection(s):
SecuriteInfo.com.Variant.Cerbu.165532.30244.18364.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
Modifying a system file
Creating a file in the %AppData% subdirectories
Sending an HTTP GET request
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 tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/73077/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware installer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/64104747e746e0a329dab388/reports/5ad0a8bf-6283-4286-a868-4c9e9016c381/overview
Verdict:
Malicious
Labled as:
HEUR/AGEN.1251208
Link:
https://www.hybrid-analysis.com/sample/a33f66207f9983e7ca245411b3cfbc6222fa34d0787ee8be0755c384dc5bed1c
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d9638816-85a1-44d7-9665-bd24d846c1bd
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1193203
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)
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: 826104 Sample: file.exe Startdate: 14/03/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Antivirus detection for URL or domain 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 6 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-C9IOE.tmp, PE32 10->31 dropped 13 is-C9IOE.tmp 15 25 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->37 dropped 39 7 other files (5 malicious) 13->39 dropped 16 FRec314.exe 20 13->16         started        process8 dnsIp9 41 45.12.253.56, 49695, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49696, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49697, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\Roaming\...\b8eCS8j.exe, PE32 16->29 dropped 20 b8eCS8j.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/a33f66207f9983e7ca245411b3cfbc6222fa34d0787ee8be0755c384dc5bed1c/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Suspicious
First seen:
2023-03-14 10:07:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=um7wmid7tgb6psrekqi3ht54mirpungqpb7orpqhkxbyjxc35uoa._file
Verdict:
malicious
Similar samples:
14acfa9f01f0893a67fc56ff86bf859428c0d25c6bc7a3c7eac2d78b7fd813e1
GCleaner
3c06389cbfe7ebc70b30e233cc304a59605fca85df724eb80f484ec41dcd0a6e
GCleaner
5b06a1d47febc51608577e8827a61ae277ac79a5d4beeeab6bc1ddd6b9a88077
GCleaner
806374db08f908a0e5622f192bebb29d262b442cda27038d214d3fb802e6311c
GCleaner
86a1d5c55b17007a02cc79abbcae676cd83002dc027e10d4992634033402b30e
GCleaner
9a30eba2ab71b1a2c246b3347ae5504785e2a4b529e74b40c83c6a5711a806a6
GCleaner
9fba8733adf4186bd258da008bc4ba26e72e871fa6df2815d8a2ce2c9eb4d451
GCleaner
+ 2'226 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230314-l5mpmseg48/
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:
308d9511176bebd5a6146903bbad3bd54e357df3c4c98a28613c56ed08410ecc
MD5 hash:
867142488e4a5bada58e231142b9ada9
SHA1 hash:
0e45a3ad82d48a8e5cd8b571f61ca65bcaf07a7a
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/f27feab0-f444-4984-ab13-3bc4d8ddeede/
SH256 hash:
42b9a7d000190c42c8a759fc1d12a9863a9a0e1f6a36c1aa89bec3171cce3cd9
MD5 hash:
b8d6b2072512027194124aeac7f9cba9
SHA1 hash:
90e56a4e45016d56b60d63747081d58bfa554105
Link:
https://www.unpac.me/results/f27feab0-f444-4984-ab13-3bc4d8ddeede/
SH256 hash:
c724c767c98742b9fa1cecb249b3adfb154e8cd3a8c24a8dcc09d5fab131dba4
MD5 hash:
bb104b85dbce15cb7548266d4e877505
SHA1 hash:
25e6d3dd307518d1c1e51f7be994230c8a22bb09
Link:
https://www.unpac.me/results/f27feab0-f444-4984-ab13-3bc4d8ddeede/
SH256 hash:
a33f66207f9983e7ca245411b3cfbc6222fa34d0787ee8be0755c384dc5bed1c
MD5 hash:
db9cbd51841da34c493d5967a5a5d315
SHA1 hash:
0131ab3bb10b520e8c1809e875457c7db672cf8c
Link:
https://www.unpac.me/results/f27feab0-f444-4984-ab13-3bc4d8ddeede/
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/a33f66207f9983e7ca245411b3cfbc6222fa34d0787ee8be0755c384dc5bed1c

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.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
Cape
Cape
https://www.capesandbox.com/analysis/374207/

Comments