MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b2fb89ace3bb0c58ce238b3a9009cf4483c819de729f3459d5e41fa4964cfb2. 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: 6b2fb89ace3bb0c58ce238b3a9009cf4483c819de729f3459d5e41fa4964cfb2
SHA3-384 hash: dfa235c40b94997e18956a631f01fa012ef16ed3eac94cd493ef5c95eb7cc109c9ea7ae6200ba6db665b5db7daf8b3ee
SHA1 hash: 093608e9f5f0090e36dbe068ea378759193b998d
MD5 hash: e021220f426a16f873f8682da47a19c6
humanhash: undress-ceiling-bacon-cola
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'618'669 bytes
First seen:2022-10-31 12:30:36 UTC
Last seen:2022-10-31 12:58:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'453 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2l1Z92OD4Nk6TCuo5WYs9dtFGIMdUiQLdiZG0aImZZJexA5hq:Ml546XYYsnXlMdUviZP1mZdDq
TLSH T16CC533658514C833D261C078EEEAEA35CB32BAB958614254F1ECF4DE5B3BA70C8097D7
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 :
8
# of downloads :
551
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-31 12:32:43 UTC
Tags:
installer
Link:
https://app.any.run/tasks/0253f17c-c805-40c8-a02f-b6e85e3c0ed3

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/326404/
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
Searching for synchronization primitives
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 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 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/46997/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/635fc007b8952e91d3d24411/reports/ec5838f5-d900-4c8f-a8aa-d60e37a98f77/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.
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4cb7d478-6321-49f0-93e5-eb0b9ae7a28f
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1101660
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: 734321 Sample: file.exe Startdate: 31/10/2022 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-C7FOU.tmp, PE32 10->31 dropped 13 is-C7FOU.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 fhsearcher65.exe 21 13->16         started        process8 dnsIp9 41 107.182.129.235, 49693, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49694, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49692, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\m6skD0A3bqL.exe, PE32 16->29 dropped 20 m6skD0A3bqL.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/6b2fb89ace3bb0c58ce238b3a9009cf4483c819de729f3459d5e41fa4964cfb2/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-31 12:31:10 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nmx3rgwohoymldhchcz2sae46redzam544u7grm5lza7uslez6za._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221031-pp2qeabgbn/
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:
d89386aced051392fd944a465a7da11ca6d9f713fa22c0192cbbfce812cd7796
MD5 hash:
bbe4b751e5047a2cc30ff8effe475c31
SHA1 hash:
c210a7ee9dbfb6230278860e68bb200650e2e3aa
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/ca56ff4b-ca07-4e1c-9cfe-021188d8401a/
SH256 hash:
a3d975bb506ba6c9817721929214d7318cecbf75d123a5572a2427fc91db6402
MD5 hash:
8bc0e0893305ca7fbe6e75bb6025e2e7
SHA1 hash:
a71bcec865ea0ebb0cf2d64d3d50b1d7b50a7f54
Link:
https://www.unpac.me/results/ca56ff4b-ca07-4e1c-9cfe-021188d8401a/
SH256 hash:
3a5aa6a31128af4fc5d64c95f1daf231e87cf302dbab6ee4835c360f02379645
MD5 hash:
51b38cad1edd79dbb3f988a7a22eabb7
SHA1 hash:
5e8f5336993d4a21e46eb7a4e0a9d170fa52ec2f
Link:
https://www.unpac.me/results/ca56ff4b-ca07-4e1c-9cfe-021188d8401a/
SH256 hash:
6b2fb89ace3bb0c58ce238b3a9009cf4483c819de729f3459d5e41fa4964cfb2
MD5 hash:
e021220f426a16f873f8682da47a19c6
SHA1 hash:
093608e9f5f0090e36dbe068ea378759193b998d
Link:
https://www.unpac.me/results/ca56ff4b-ca07-4e1c-9cfe-021188d8401a/
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/6b2fb89ace3bb0c58ce238b3a9009cf4483c819de729f3459d5e41fa4964cfb2

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
Cape
Cape
https://www.capesandbox.com/analysis/326404/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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