MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1387c2e7ffe8b99f34d2fbbc2ac89d81bf2b45140a4b1ddb45397a90882f7c7a. 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: 1387c2e7ffe8b99f34d2fbbc2ac89d81bf2b45140a4b1ddb45397a90882f7c7a
SHA3-384 hash: 428e51384d689081b72d3133eae0c0ddef33682014a5bc7851b3fa57f0b48ba08d078129b04ea881b0a7f95993f624c5
SHA1 hash: 43676cfd0b3b84619d6779181b333c86afa6a6e3
MD5 hash: 1f7e2c0709c67b5c0bd54eaa303b3b75
humanhash: magnesium-hotel-fanta-earth
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'388'459 bytes
First seen:2022-10-25 11:01:56 UTC
Last seen:2022-10-25 11:28:54 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:Z2jPavC2WmxXQpYrCzablbM6H0v5PMmLtFke9OCA5hq:MjP4C2TxAoCzybbEDL8eY5Dq
TLSH T11FB533D7E6A0D7B0C136A473FB3A063A5537AC7084E498BEB5ECBC4E4F36580A085795
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 :
11
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-25 11:05:46 UTC
Tags:
installer
Link:
https://app.any.run/tasks/4868f457-c2a3-46a0-bc49-699b1ae3a959

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/323970/
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
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
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/45376/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.
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d85590cf-043d-4ff2-acef-37e741573f58
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1097475
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 dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 730126 Sample: file.exe Startdate: 25/10/2022 Architecture: WINDOWS Score: 88 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Antivirus detection for URL or domain 2->51 53 Detected unpacking (changes PE section rights) 2->53 55 Detected unpacking (overwrites its own PE header) 2->55 57 3 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-FAJ84.tmp, PE32 10->31 dropped 13 is-FAJ84.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 evsearcher59.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49692, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49693, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49691, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\Roaming\...29FERS.exe, PE32 16->29 dropped 20 NFERS.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/1387c2e7ffe8b99f34d2fbbc2ac89d81bf2b45140a4b1ddb45397a90882f7c7a/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-25 11:31:03 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cod4fz775c4z6ngs7o6cvse5qg7swriubjfr3w2fhf5jbcbppr5a._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221025-m45dqscdh7/
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/7b7c65b7-f6cb-4af0-ac55-6195dce4ca7b
Unpacked files
SH256 hash:
c89332c339c091784ac122692e0676fe9010d7f699f6e4e5380c328dd00a4cfe
MD5 hash:
8c18f513f918e066e479d1a567cad5de
SHA1 hash:
16b36ec45da38f85c8eef10c33cf601b556d06b2
Detections:
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/fe9ead45-cc6c-4e97-ba39-156762438377/
SH256 hash:
6b3d997b5284cab47b65ce25e275c99c82934041d2bf0bcac6049215c0157a92
MD5 hash:
d1793a96eae4614c32471cd5d4c17db8
SHA1 hash:
b2e6fc77065ad48b06c5d55588825ca6156bc228
Link:
https://www.unpac.me/results/fe9ead45-cc6c-4e97-ba39-156762438377/
SH256 hash:
1387c2e7ffe8b99f34d2fbbc2ac89d81bf2b45140a4b1ddb45397a90882f7c7a
MD5 hash:
1f7e2c0709c67b5c0bd54eaa303b3b75
SHA1 hash:
43676cfd0b3b84619d6779181b333c86afa6a6e3
Link:
https://www.unpac.me/results/fe9ead45-cc6c-4e97-ba39-156762438377/
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/1387c2e7ffe8b99f34d2fbbc2ac89d81bf2b45140a4b1ddb45397a90882f7c7a

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/323970/

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