MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5d71f8cf5047ed38670a0866e0a67acbb268c868f75513a1b30372b6a6f63ba. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5d71f8cf5047ed38670a0866e0a67acbb268c868f75513a1b30372b6a6f63ba
SHA3-384 hash: ebbfb7c07537869f24a757b5aee81fcebf4f2b712938009a63bf3f3ffb7c7f00a59dd43c5ff6f4a7cef3a4abe92e5ae6
SHA1 hash: fe320ad73568dcfc4c9e18f191083b1d82f7c231
MD5 hash: 1a51f3c8236cfa3d3e87badf08fae1c3
humanhash: pasta-magazine-apart-venus
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'404'441 bytes
First seen:2022-10-27 08:31:06 UTC
Last seen:2022-10-27 08:58:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2Mzwq9JRGvio0Pdkurw/R3Q3fLbdBpixLdSA5hq:MMzwqDho0PdkuIR8bdBubDq
TLSH T1EAB5331A92A2D832E0B1CDF56E374E2052B3BC45027765B7DEDC92CE1F2B7911A28357
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 :
13
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ficker
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-27 08:34:37 UTC
Tags:
installer loader evasion trojan ficker stealer opendir vidar
Link:
https://app.any.run/tasks/3945279c-1850-4546-8652-8c302a35ead0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Nymaim
Create hunting rule
Link:
https://www.capesandbox.com/analysis/324781/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
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
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
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/45903/overview
Behaviour
MalwareBazaar
CheckCmdLine
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/351d0033-13e6-4d36-be72-f2d360a1b1d2
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1099107
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
Multi AV Scanner detection for submitted file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 731761 Sample: file.exe Startdate: 27/10/2022 Architecture: WINDOWS Score: 96 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 Multi AV Scanner detection for submitted file 2->54 56 5 other signatures 2->56 10 file.exe 2 2->10         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-HROLV.tmp, PE32 10->30 dropped 13 is-HROLV.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 ezsearcher61.exe 25 13->16         started        process8 dnsIp9 40 107.182.129.235, 49699, 80 META-ASUS Reserved 16->40 42 171.22.30.106, 49700, 80 CMCSUS Germany 16->42 44 45.139.105.171, 49698, 80 CMCSUS Italy 16->44 28 C:\Users\user\AppData\Roaming\...\2eKlz.exe, PE32 16->28 dropped 20 cmd.exe 1 16->20         started        22 2eKlz.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/b5d71f8cf5047ed38670a0866e0a67acbb268c868f75513a1b30372b6a6f63ba/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-27 08:32:09 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wxlr7dhvar7nhbtqucdg4cthvs5sndegr52vcoq3ga3sw2tpmo5a._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221027-kfahcabee8/
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:
02f6da92d271e5dd26c005d990c34ffb5d60f7bbcc1958369ca893311114558b
MD5 hash:
2154c92335b9860e09890273152b10b3
SHA1 hash:
27313bfb02694ba5a5e5b1d1a877596401ededcc
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/7674e6a4-cfcd-4c03-a31c-d6af568f55c4/
SH256 hash:
c47ed1f051d8f6e96f0f7fb83a823ef029058745f7c05f8548535e7b6d111be0
MD5 hash:
d6dde7519d2da9fb97a936e84000377d
SHA1 hash:
449b0b8c0742664e41bbd5a30d58a203209284a9
Link:
https://www.unpac.me/results/7674e6a4-cfcd-4c03-a31c-d6af568f55c4/
SH256 hash:
b5d71f8cf5047ed38670a0866e0a67acbb268c868f75513a1b30372b6a6f63ba
MD5 hash:
1a51f3c8236cfa3d3e87badf08fae1c3
SHA1 hash:
fe320ad73568dcfc4c9e18f191083b1d82f7c231
Link:
https://www.unpac.me/results/7674e6a4-cfcd-4c03-a31c-d6af568f55c4/
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/b5d71f8cf5047ed38670a0866e0a67acbb268c868f75513a1b30372b6a6f63ba

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/324781/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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