MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b376df63007b8bd39491a8793fa544d42a734db1a332f9eaa0b3e1b81b2cba2e. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b376df63007b8bd39491a8793fa544d42a734db1a332f9eaa0b3e1b81b2cba2e
SHA3-384 hash: dc84366fce1776f356f610fa6e2507f03a1f3bd5beeb6d95731ca34fc5191916c2b1e69285c605dad0f3c9d780ce33ac
SHA1 hash: c474f61da91cec2e8482969027f15ac46b1da6c1
MD5 hash: a195d840e3ab5380441a4751fe4bca06
humanhash: harry-thirteen-coffee-utah
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'993'727 bytes
First seen:2023-03-26 15:10:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:EGlJfsXQN/ybRm3WHMwJIS+6Xf7mCo0B/NL1I5dlLYp:5hN/mRmGzljTXBKPYp
TLSH T1C395332BCAC10BF4D1A1CDF19F47D6C841722E770F2D4CAAA10DA99C9F361E1C698796
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://45.12.253.74/pineapple.php?pub=mixinte

Intelligence

File Origin
# of uploads :
1
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-03-26 15:12:05 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/14d2652b-3fb9-431b-91ff-132e813a9acd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/377557/
Detection(s):
SecuriteInfo.com.TR.Spy.KGBSpy.1.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
Sending a custom TCP request
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Creating a file in the %AppData% subdirectories
Sending an HTTP GET request
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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/74989/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware installer overlay packed packed shell32.dll
Link:
https://www.filescan.io/uploads/642060876ed02dd52de575e6/reports/fc21c3ff-3989-49e3-856e-0571ac4949a8/overview
Verdict:
Malicious
Labled as:
HEUR/AGEN.1332570
Link:
https://www.hybrid-analysis.com/sample/b376df63007b8bd39491a8793fa544d42a734db1a332f9eaa0b3e1b81b2cba2e
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:
Malicious
Link:
https://analyze.intezer.com/analyses/de1aea2d-30fa-497f-ad5c-0b28caa80d0c
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1202168
Signature
Antivirus / Scanner detection for submitted sample
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
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 835073 Sample: file.exe Startdate: 26/03/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 6 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-ITNKA.tmp, PE32 10->31 dropped 13 is-ITNKA.tmp 11 24 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 6 other files (4 malicious) 13->39 dropped 16 FRec326.exe 24 13->16         started        process8 dnsIp9 41 45.12.253.56, 49684, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49685, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49689, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\Roaming\...\4k52kL.exe, PE32 16->29 dropped 20 4k52kL.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b376df63007b8bd39491a8793fa544d42a734db1a332f9eaa0b3e1b81b2cba2e/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Suspicious
First seen:
2023-03-26 15:11:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wn3n6yyapof5hfervb4t7jke2qvhgtnrumzpt2vawpq3qgzmxixa._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230326-skk4msgh85/
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
Executes dropped EXE
Loads dropped DLL
GCleaner
Malware Config
C2 Extraction:
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Unpacked files
SH256 hash:
4a2edb5b66bb3939232789da01e8efd9b404cd933e032a62583996b6e2e02429
MD5 hash:
ce7cfe66bcd8d33b409acdfe624e7328
SHA1 hash:
269759d49687a5cd130f4747df28274c8608ccfd
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/d2e7e4cc-fbff-446d-91ec-6105357cf307/
SH256 hash:
a468c3b69423aa04dc089b55251e75d353445f2a1db2b138e41428626d83a678
MD5 hash:
082d5b366be1602ff08efc204dd5a85d
SHA1 hash:
b9d10b9a24e9abce302515477a5b55e7e9c30226
Link:
https://www.unpac.me/results/d2e7e4cc-fbff-446d-91ec-6105357cf307/
SH256 hash:
202cf8df66bab7e889bcfbd73d8aad4464d1a7d74abf4af6bd582a30aa7242c0
MD5 hash:
844783e02e063789bafef9555c14d769
SHA1 hash:
4ab58f68b2372f0079d44f7c4692362bb4041f6e
Link:
https://www.unpac.me/results/d2e7e4cc-fbff-446d-91ec-6105357cf307/
SH256 hash:
b376df63007b8bd39491a8793fa544d42a734db1a332f9eaa0b3e1b81b2cba2e
MD5 hash:
a195d840e3ab5380441a4751fe4bca06
SHA1 hash:
c474f61da91cec2e8482969027f15ac46b1da6c1
Link:
https://www.unpac.me/results/d2e7e4cc-fbff-446d-91ec-6105357cf307/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/b376df63007b8bd39491a8793fa544d42a734db1a332f9eaa0b3e1b81b2cba2e

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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/2509470/
Cape
Cape
https://www.capesandbox.com/analysis/377557/

Comments