MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c2b231fad55c53e8c575964720440047c6ac409f62d6b739e61d9da1ecac5015. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c2b231fad55c53e8c575964720440047c6ac409f62d6b739e61d9da1ecac5015
SHA3-384 hash: a26427e6c88adae15e4f7f3555f236b4977fedb6a9503cd2fa81fb1bb01eaa10ce88f5bbcecbc1bda72b1e2b080715f6
SHA1 hash: ff31793973e2a5211cfb49a3295fac5827a77679
MD5 hash: d7722721c7e817fbf0d01316ee231230
humanhash: michigan-fanta-mobile-seven
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'461'037 bytes
First seen:2022-10-24 14:15:52 UTC
Last seen:2022-10-24 14:44:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2kEg7qT9IlV0xqTU8UiBZR+RdWoklPJVfj0nQirG4DRI/3+uW5A5hq:Mtq0xqTU8UfDKP7f4QirHDRC3+uWiDq
TLSH T196B5330557A8D934C4A3CB391C3E8CB58672BA0B553DA1A0B39C417FAF32DF5D809B5A
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://95.214.24.96/load.php?pub=mixinte

Intelligence

File Origin
# of uploads :
14
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-24 14:17:36 UTC
Tags:
installer
Link:
https://app.any.run/tasks/e86404a5-f7d0-4089-8cd2-fbc7871b004a

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/323453/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.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
Moving a recently created file
Modifying a system file
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 subdirectories
Sending a custom TCP request
Moving a file to the %AppData% subdirectory
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
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:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/94e83f01-d1ed-47e2-b996-75e11d5a7edd
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1096631
Signature
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 domain / URL
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 729272 Sample: file.exe Startdate: 24/10/2022 Architecture: WINDOWS Score: 88 46 45.139.105.1 CMCSUS Italy 2->46 48 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->48 50 Multi AV Scanner detection for domain / URL 2->50 52 Antivirus detection for URL or domain 2->52 54 Detected unpacking (changes PE section rights) 2->54 56 4 other signatures 2->56 10 file.exe 2 2->10         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-IF4N0.tmp, PE32 10->30 dropped 13 is-IF4N0.tmp 16 25 10->13         started        process6 file7 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->32 dropped 34 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->34 dropped 36 C:\...\unins000.exe (copy), PE32 13->36 dropped 38 4 other files (2 malicious) 13->38 dropped 16 etsearcher58.exe 21 13->16         started        process8 dnsIp9 40 107.182.129.235, 49694, 80 META-ASUS Reserved 16->40 42 171.22.30.106, 49695, 49700, 80 CMCSUS Germany 16->42 44 45.139.105.171, 49693, 80 CMCSUS Italy 16->44 28 C:\Users\user\AppData\...\AenfGiAgf.exe, PE32 16->28 dropped 20 cmd.exe 1 16->20         started        22 AenfGiAgf.exe 16->22         started        file10 process11 process12 24 taskkill.exe 1 20->24         started        26 conhost.exe 20->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c2b231fad55c53e8c575964720440047c6ac409f62d6b739e61d9da1ecac5015/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-24 15:31:25 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ykzdd6wvlrj6rrlvszdsaraai7dkyqe7mllloopgdwo2d3fmkakq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221024-rk6jxahbeq/
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
Loads dropped DLL
Executes dropped EXE
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
Unpacked files
SH256 hash:
eabf938bb0db53fc26811d4a82d57fb93da2322b818a5ef6855f17ed9fc3b3d5
MD5 hash:
04ba41a1e6b5ba518e1a583f1c16fa52
SHA1 hash:
9c2611e3891b51aa35282275efa1e8ce580026a6
Detections:
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/b808eb8b-f850-444f-84d6-7e5b7c771e59/
SH256 hash:
a9258affa3d44c404fa99a63f0154e5377bdb093d0e0ab0e5f3e0d911b66304f
MD5 hash:
a2554d3824f4cf2f5ada7f0cb5416168
SHA1 hash:
7d29658c7bfb1a68c0b4c2206dc82cd29af78c6c
Link:
https://www.unpac.me/results/b808eb8b-f850-444f-84d6-7e5b7c771e59/
SH256 hash:
c2b231fad55c53e8c575964720440047c6ac409f62d6b739e61d9da1ecac5015
MD5 hash:
d7722721c7e817fbf0d01316ee231230
SHA1 hash:
ff31793973e2a5211cfb49a3295fac5827a77679
Link:
https://www.unpac.me/results/b808eb8b-f850-444f-84d6-7e5b7c771e59/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.68
Link:
https://yomi.yoroi.company/submissions/c2b231fad55c53e8c575964720440047c6ac409f62d6b739e61d9da1ecac5015

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: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
Cape
Cape
https://www.capesandbox.com/analysis/323453/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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