MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c981c5bdcdf0922309beefde4348bdadac9d5eca7c9c93ca7bab0b5dc528e3c0. 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: c981c5bdcdf0922309beefde4348bdadac9d5eca7c9c93ca7bab0b5dc528e3c0
SHA3-384 hash: 822bdaaa8a038904fa37f31956d1bd7b6934cd1dbe51f4984bee238c246ad682da24e28f4afb2b7c536b84cfaeeb0d6c
SHA1 hash: fc87dc2b32c6f5350c0c5808f375e9cda36388bd
MD5 hash: b4429fd6730b9cbced8b6ac751352448
humanhash: romeo-nitrogen-burger-fix
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'510'002 bytes
First seen:2022-10-22 21:16:09 UTC
Last seen:2022-10-22 21:44:16 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:Z2bUoQNK5AZRfxCrLu6rW/G+w4q5+2zu4uvLvPwbjBDoIoA5hq:MbJQNK5Abx2JrW/Nfc+4vuvUnaoDq
TLSH T1CBC53373C6611270D078E2B1CA0FDDA2B2232E94587AD1B5F58CD60A6B37DC5CC55BAC
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 :
15
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-22 21:19:21 UTC
Tags:
installer
Link:
https://app.any.run/tasks/d71d56ec-6383-481b-b115-fc85284e9fd0

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/322776/
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/44534/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/63545dcf66721ebd9b2f7290/reports/b13d81d2-b1b8-40cd-a4a6-3ec5562b9540/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.
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e1b88425-0c61-4157-a531-ccc6da2f7187
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1095644
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: 728285 Sample: file.exe Startdate: 22/10/2022 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-00MJB.tmp, PE32 10->31 dropped 13 is-00MJB.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 epsearcher56.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49703, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49704, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49702, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\Ky5k2feN7NH.exe, PE32 16->29 dropped 20 Ky5k2feN7NH.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/c981c5bdcdf0922309beefde4348bdadac9d5eca7c9c93ca7bab0b5dc528e3c0/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-22 22:17:49 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zga4lpon6cjcgcn657pegsf5vwwj2xwkpsojhst3vmfv3rji4paa._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221022-z4js9aege7/
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/703117d6-2dc0-49b4-888b-f73e1a49d88a
Unpacked files
SH256 hash:
44db46f737b17e2e8966a86d771e82a32b19873768573bf958baafcb75435358
MD5 hash:
5103e5bc25fbb9ed260be8965ca014ec
SHA1 hash:
dd09d8a985f4a2ab6931a69529637e6d8c10ab84
Detections:
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/c060a828-dabc-449e-b895-ea940a980b72/
SH256 hash:
2f8373fda9d2a6d8d168ea1cf24735ccd47b0996bb74d49bd06db2df77228736
MD5 hash:
90a8c033e6dacb302730c525bb5736f3
SHA1 hash:
f149b0451dc5bb4087063eb0a17fa6704dd41aed
Link:
https://www.unpac.me/results/c060a828-dabc-449e-b895-ea940a980b72/
SH256 hash:
c981c5bdcdf0922309beefde4348bdadac9d5eca7c9c93ca7bab0b5dc528e3c0
MD5 hash:
b4429fd6730b9cbced8b6ac751352448
SHA1 hash:
fc87dc2b32c6f5350c0c5808f375e9cda36388bd
Link:
https://www.unpac.me/results/c060a828-dabc-449e-b895-ea940a980b72/
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/c981c5bdcdf0922309beefde4348bdadac9d5eca7c9c93ca7bab0b5dc528e3c0

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/322776/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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