MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26f582446d55c9f45c0746f623ca5d4d08cefaf4883e691df1f0a247f08d6235. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 26f582446d55c9f45c0746f623ca5d4d08cefaf4883e691df1f0a247f08d6235
SHA3-384 hash: 1f2095f05aee1a92ec20891991713db0593377beba98c95270645c2f0fd7548ad898b8410ec1c534e735a579d2fcaf17
SHA1 hash: 95c37bc9f4f157b6c1f035f237aa5512612d67f9
MD5 hash: 87bcf26534959d1538b363cc9fb571d9
humanhash: bacon-batman-artist-solar
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'633'178 bytes
First seen:2022-10-30 18:00:53 UTC
Last seen:2022-10-30 18:29:03 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:Z2aA3tcKag+pXqoMLfVvjKMnf5GfHqfmeMb2rzqySFA5hq:M/ZV+pXqoMLYuGfH1eMarzqODq
TLSH T13BC5336141B0DB35D0B2DABE1A38CB8454BE6FDC167DF10533AD9BA9BE732848C46394
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 :
16
# of downloads :
430
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ficker
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-30 18:02:01 UTC
Tags:
installer trojan ficker stealer loader opendir vidar
Link:
https://app.any.run/tasks/bb8ddc64-58f7-42e5-95a1-cc20b938337f

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/326164/
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
Sending a custom TCP request
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/46846/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/635ebbe058409ff7bc0c5101/reports/36472b98-73a0-4d0a-bc18-28e60aba3128/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/ef1f5d80-f32b-40c5-881d-bf07e3c756ce
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1101312
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: 733973 Sample: file.exe Startdate: 30/10/2022 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-KLFDN.tmp, PE32 10->31 dropped 13 is-KLFDN.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 ffsearcher64.exe 21 13->16         started        process8 dnsIp9 41 107.182.129.235, 49698, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49699, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49697, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\Roaming\...\XF4Jhe.exe, PE32 16->29 dropped 20 XF4Jhe.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/26f582446d55c9f45c0746f623ca5d4d08cefaf4883e691df1f0a247f08d6235/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-30 18:01:09 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e32yerdnkxe7ixahi33chss5juem56xura7gshpr6crep4enmi2q._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221030-wlwhjsdham/
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:
c36a0e98a90b1c5b768eac0f224d9d8d2525249f5d55c90bb26a91601b322dbd
MD5 hash:
9064305b39d4607448c4a97c60cd6492
SHA1 hash:
d4b85fb617ea26963dfc8522f1b082ed55487db0
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/4eb7de3f-e66a-46b9-ad17-b8f1f7d4b3d4/
SH256 hash:
b75b7a405ac20d4a5958b2d1e4b9c49200ede4bfa600868904b130dd4ddd389d
MD5 hash:
6c050d2f305d1b5f57315010c4039f8b
SHA1 hash:
c8ab9488459b39f5d350417b73baf6472664e9bc
Link:
https://www.unpac.me/results/4eb7de3f-e66a-46b9-ad17-b8f1f7d4b3d4/
SH256 hash:
a3d975bb506ba6c9817721929214d7318cecbf75d123a5572a2427fc91db6402
MD5 hash:
8bc0e0893305ca7fbe6e75bb6025e2e7
SHA1 hash:
a71bcec865ea0ebb0cf2d64d3d50b1d7b50a7f54
Link:
https://www.unpac.me/results/4eb7de3f-e66a-46b9-ad17-b8f1f7d4b3d4/
SH256 hash:
26f582446d55c9f45c0746f623ca5d4d08cefaf4883e691df1f0a247f08d6235
MD5 hash:
87bcf26534959d1538b363cc9fb571d9
SHA1 hash:
95c37bc9f4f157b6c1f035f237aa5512612d67f9
Link:
https://www.unpac.me/results/4eb7de3f-e66a-46b9-ad17-b8f1f7d4b3d4/
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/26f582446d55c9f45c0746f623ca5d4d08cefaf4883e691df1f0a247f08d6235

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/326164/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

Comments