MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1671036b7d5d7d077095b2de0e467091d68abec1a7062934f1c252484676dfa1. 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: 1671036b7d5d7d077095b2de0e467091d68abec1a7062934f1c252484676dfa1
SHA3-384 hash: 2fd7bb42898ed95ad051b298872602182ae606ef4bdd01c411284572bf3907b0dad74ef60a69e1cc78a02c071f06165b
SHA1 hash: edad37450d31ef4ad98ca8aadc5e0e56bd686c38
MD5 hash: 89dfd6f400609fe3fec29f198295d78f
humanhash: golf-cardinal-november-island
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'551'722 bytes
First seen:2022-10-29 01:46:09 UTC
Last seen:2022-10-29 02:14:11 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:Z253hMz0DdG9W8TBgUKgzfUksqAZQS5sC97P3Qse24D5bfBRkaA5hq:M56QwW2gUX7UksqAjuC97I2uaDq
TLSH T1C5C53311CDC112B7D0C365785EEF9A7C96623C49C67A823AB56CCACC473B72894AD3D8
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 :
390
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-29 01:50:11 UTC
Tags:
installer
Link:
https://app.any.run/tasks/013b1bad-0623-4b05-9a89-01dbdf25d77e

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/325704/
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/46490/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/635c8617736e9d884f0d818e/reports/48c40b86-8a4f-48a2-a757-9af0662198c3/overview
Result
Verdict:
MALICIOUS
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/d84e6137-1ab0-4134-aad2-48b6989c7497
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1100714
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: 733375 Sample: file.exe Startdate: 29/10/2022 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-0CU4U.tmp, PE32 10->31 dropped 13 is-0CU4U.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 fbsearcher62.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49697, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49698, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49696, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\HMzm5vq2b.exe, PE32 16->29 dropped 20 HMzm5vq2b.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/1671036b7d5d7d077095b2de0e467091d68abec1a7062934f1c252484676dfa1/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-29 01:47:10 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=czyqg235lv6qo4evwlpa4rtqshlivpwbu4dcsnhryjjeqrtw36qq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221029-b7jewsgcep/
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
Gathering data
Unpacked files
SH256 hash:
80baeb0707da2c341789ab7c2e14176b34cf7e7a049710d756dad5ee7a58c7ed
MD5 hash:
45d578fe9fb385de56d5d6f1d8224b49
SHA1 hash:
be2b7a45da5f161b79bb0646b74b4844ae5477f3
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/f499cca7-7c68-4507-b2d6-7ec0faaf0636/
SH256 hash:
21893fa9672ac34c4c9c4bece6701e98767ee6c4958f7b0ced4dcce2b5fd2cb1
MD5 hash:
0aefd86f3692b6fdf2660d65eddffb1b
SHA1 hash:
5d5ee13c5bae9c7fcbe0d416b213182d2797e460
Link:
https://www.unpac.me/results/f499cca7-7c68-4507-b2d6-7ec0faaf0636/
SH256 hash:
1671036b7d5d7d077095b2de0e467091d68abec1a7062934f1c252484676dfa1
MD5 hash:
89dfd6f400609fe3fec29f198295d78f
SHA1 hash:
edad37450d31ef4ad98ca8aadc5e0e56bd686c38
Link:
https://www.unpac.me/results/f499cca7-7c68-4507-b2d6-7ec0faaf0636/
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/1671036b7d5d7d077095b2de0e467091d68abec1a7062934f1c252484676dfa1

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/325704/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

Comments