MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 662b0ec8337da0e5ed2f236de44846ae29c0ce491f48aafad81255dbc6ad994e. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 662b0ec8337da0e5ed2f236de44846ae29c0ce491f48aafad81255dbc6ad994e
SHA3-384 hash: ea32dac6eb3ad56aa74d8ea662a982923f9445ce4afb0c58836e5d776f7cdeee1f3f214037fb2fbd17d873075179a2c0
SHA1 hash: 95246b10475e80f31349507b8eb28587b6808520
MD5 hash: 49bbef04d5e7706c2dfa8664c48d39f5
humanhash: magnesium-six-jersey-wisconsin
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'845'657 bytes
First seen:2022-11-04 13:45:29 UTC
Last seen:2022-11-04 14:14:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'454 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2c+kfkxDRpWhMarmvD7asoWcW1mCLuv4AdDX6b72nSMiYneRBs5/+rTwNA5hq:Mc+kEDRpWhMd7sDIqTDXmsSMipzsViM/
TLSH T1CDD53362A14EA73AC262B5B8417CA3185B723455F8FE6C1BF918D24D1F7E7D09C4C28E
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 :
12
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ficker
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-04 13:47:08 UTC
Tags:
installer loader evasion trojan ficker stealer vidar
Link:
https://app.any.run/tasks/9454c02b-158a-49f3-b679-436e6580fe7d

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/328498/
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 in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Forced system process termination
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
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/48427/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6365179bd998c15a09ab0d18/reports/1275faf2-4fd3-44a2-a39f-3852f6e41aaa/overview
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/843ffe3a-9772-4b66-87c3-6585e4fd3a3f
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1105429
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 dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 738092 Sample: file.exe Startdate: 04/11/2022 Architecture: WINDOWS Score: 96 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Antivirus detection for URL or domain 2->53 55 Detected unpacking (changes PE section rights) 2->55 57 4 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-37F7U.tmp, PE32 10->31 dropped 13 is-37F7U.tmp 16 25 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:\...\unins000.exe (copy), PE32 13->37 dropped 39 4 other files (2 malicious) 13->39 dropped 16 fpsearcher69.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49708, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49709, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49707, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\gbz2rz817kB.exe, PE32 16->29 dropped 20 gbz2rz817kB.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 59 Multi AV Scanner detection for dropped file 20->59 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/662b0ec8337da0e5ed2f236de44846ae29c0ce491f48aafad81255dbc6ad994e/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-11-04 13:46:10 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=myvq5sbtpwqol3jpenw6iscgvyu4btsjd5ekv6wycjk5xrvntfha._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221104-q2y1qahfhl/
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1f659af0-ea2f-4fb7-a002-50cad8cbbcca
Unpacked files
SH256 hash:
99122a1f55f893b8c5feb19ba6c90d0787e5992fe7c344e4d808b14952081859
MD5 hash:
60c0ae9274ccd3b5cf8113172d17887a
SHA1 hash:
844bd609ffcc9dcfb5745ec58f64e6a73f220197
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/3e3f7522-dede-4a4c-a4dd-ff3d763851aa/
SH256 hash:
e6a818e33360bbc2e62415dcac4175e8ea8eb8e9abbe134d08b217903ced2f08
MD5 hash:
270309fe5aaf8333f4fc62ab47569ef8
SHA1 hash:
4fbdb1a7b7219805d10ae6174572f40780272ee3
Link:
https://www.unpac.me/results/3e3f7522-dede-4a4c-a4dd-ff3d763851aa/
SH256 hash:
202cf8df66bab7e889bcfbd73d8aad4464d1a7d74abf4af6bd582a30aa7242c0
MD5 hash:
844783e02e063789bafef9555c14d769
SHA1 hash:
4ab58f68b2372f0079d44f7c4692362bb4041f6e
Link:
https://www.unpac.me/results/3e3f7522-dede-4a4c-a4dd-ff3d763851aa/
SH256 hash:
662b0ec8337da0e5ed2f236de44846ae29c0ce491f48aafad81255dbc6ad994e
MD5 hash:
49bbef04d5e7706c2dfa8664c48d39f5
SHA1 hash:
95246b10475e80f31349507b8eb28587b6808520
Link:
https://www.unpac.me/results/3e3f7522-dede-4a4c-a4dd-ff3d763851aa/
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/662b0ec8337da0e5ed2f236de44846ae29c0ce491f48aafad81255dbc6ad994e

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:CAS_Malware_Hunting
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
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
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/
Cape
Cape
https://www.capesandbox.com/analysis/328498/

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