MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0278580f55a151b148e61a292fc01fa17fe6a368e66f735f495871920a279c29. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0278580f55a151b148e61a292fc01fa17fe6a368e66f735f495871920a279c29
SHA3-384 hash: c2b1b034cdd7848c6e825315b7849730caafe443066c24c5cf24d1c71c1755bbf893229a034716aacefd840e26d9d559
SHA1 hash: 23e49c2ea4c1f7d730d0e934fa141236ae6f8df6
MD5 hash: 2daea4643a403a83c5e7168b3598da4f
humanhash: echo-social-winter-jig
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'423'433 bytes
First seen:2022-10-26 16:00:18 UTC
Last seen:2022-10-26 16:13:40 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:Z2wR3yjxg/tUHi+6xWVh1RGVUdaPjP5a5tSVSnivVOiA5hq:Mwtylg/mttoUYJekWDq
TLSH T158B533526BD89A74C05A8EB1DE38ED019C923C46353CCAE175EC57D92F339E4980EB72
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 :
254
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-26 16:02:07 UTC
Tags:
installer
Link:
https://app.any.run/tasks/72ef32e8-f572-4436-b2af-44e1b5d7e74d

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/324459/
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
Moving a file to the %AppData% subdirectory
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/45692/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/5b9e3902-a221-44a7-9bba-ca37ce0c243a
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1098588
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
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 731239 Sample: file.exe Startdate: 26/10/2022 Architecture: WINDOWS Score: 88 46 45.139.105.1 CMCSUS Italy 2->46 48 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->48 50 Multi AV Scanner detection for domain / URL 2->50 52 Antivirus detection for URL or domain 2->52 54 Detected unpacking (changes PE section rights) 2->54 56 4 other signatures 2->56 10 file.exe 2 2->10         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-HE0JJ.tmp, PE32 10->30 dropped 13 is-HE0JJ.tmp 16 25 10->13         started        process6 file7 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->32 dropped 34 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->34 dropped 36 C:\...\unins000.exe (copy), PE32 13->36 dropped 38 4 other files (2 malicious) 13->38 dropped 16 exsearcher60.exe 25 13->16         started        process8 dnsIp9 40 107.182.129.235, 49696, 80 META-ASUS Reserved 16->40 42 171.22.30.106, 49697, 80 CMCSUS Germany 16->42 44 45.139.105.171, 49695, 80 CMCSUS Italy 16->44 28 C:\Users\user\AppData\...\UEXSkdBwbk.exe, PE32 16->28 dropped 20 cmd.exe 1 16->20         started        22 UEXSkdBwbk.exe 16->22         started        file10 process11 process12 24 taskkill.exe 1 20->24         started        26 conhost.exe 20->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0278580f55a151b148e61a292fc01fa17fe6a368e66f735f495871920a279c29/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-26 16:17:35 UTC
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aj4fqd2vufi3cshgdius7qa7uf76ni3i4zxxgx2jlbyzecrhtquq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221026-tf782sgbf5/
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:
936ef9dab7c01f51fb08ac62ef1827ae753e494df4442131add67aed7e55f0cb
MD5 hash:
098db1a14a5f81964d2928e921baf387
SHA1 hash:
e121816b57ad8754a9a4e98e4f3422ac0d32955c
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/75cb700e-7808-4a1a-ba12-c8b91e609333/
SH256 hash:
89c42144de1e02ca96b651541c9199367372429717697f9847179815ce3a2b05
MD5 hash:
f853da1325114a2ea86a155fca3dc517
SHA1 hash:
72e2b9787dcab3cf1e9cfe5bef101b6ac66f7ecd
Link:
https://www.unpac.me/results/75cb700e-7808-4a1a-ba12-c8b91e609333/
SH256 hash:
0278580f55a151b148e61a292fc01fa17fe6a368e66f735f495871920a279c29
MD5 hash:
2daea4643a403a83c5e7168b3598da4f
SHA1 hash:
23e49c2ea4c1f7d730d0e934fa141236ae6f8df6
Link:
https://www.unpac.me/results/75cb700e-7808-4a1a-ba12-c8b91e609333/
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/0278580f55a151b148e61a292fc01fa17fe6a368e66f735f495871920a279c29

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: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/324459/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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