MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 541115841ecd877d5a411e68d2c76fd7e0271f808075769abf2c35d13f1be654. 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: 541115841ecd877d5a411e68d2c76fd7e0271f808075769abf2c35d13f1be654
SHA3-384 hash: 4c279db603a8f22105d6351315fc8aa32864060980abc72ebb9204c97a65cf3d793b299519a15da3521da983c9d3b251
SHA1 hash: fb1f79b346cd9b012cb33df29aa7c8dd6ca3fe82
MD5 hash: 3c1215f5d11d7638c29ceccafa66eca3
humanhash: yellow-saturn-failed-triple
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'606'973 bytes
First seen:2022-10-31 18:47:24 UTC
Last seen:2022-10-31 19:13:06 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:Z2uJ+RFsKCsrAZWs2hrtOIcI3FWNf9J7pId3ygEd8qrBK4LnXfsYSQ/Wp94e4OZF:MuJ+R5RcB2hrtObI8Pg+uinPsYSsWp9z
TLSH T1DDC53356C740C032E49149FE9FB2CA78466B742632FD6109FEAE5A8D4A1E9C2D05C7F3
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 :
10
# of downloads :
436
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ficker
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-31 18:48:20 UTC
Tags:
installer loader evasion trojan ficker stealer opendir vidar
Link:
https://app.any.run/tasks/e6d2a055-26a8-4ed5-96dc-2ea93d4fa7d7

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/326551/
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
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/47076/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/63601863b8952e91d3d246b3/reports/db5c6ff0-3380-467c-a497-29564c9918cf/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/4bf49cff-77dc-448f-b8af-d569dbd88054
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1101976
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
Multi AV Scanner detection for submitted file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 734637 Sample: file.exe Startdate: 31/10/2022 Architecture: WINDOWS Score: 96 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 Multi AV Scanner detection for submitted file 2->53 55 Detected unpacking (changes PE section rights) 2->55 57 4 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-OCA4S.tmp, PE32 10->31 dropped 13 is-OCA4S.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 fhsearcher65.exe 24 13->16         started        process8 dnsIp9 41 107.182.129.235, 49709, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49710, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49708, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\eebxdLh2Uh.exe, PE32 16->29 dropped 20 eebxdLh2Uh.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/541115841ecd877d5a411e68d2c76fd7e0271f808075769abf2c35d13f1be654/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-31 18:48:09 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kqirlba6zwdx2wsbdzunfr3p27qcoh4aqb2xngv7fq25cpy34zka._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221031-xfrg3scaa8/
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:
1d31219d72de213375cf45f23c370243d5bcb0f7c9ff04b12b6acffca1f9935e
MD5 hash:
3af713ac8df75a0a3de7cf62ef235eb1
SHA1 hash:
dd5a60b8817c9f0553de28a8f8cdec057281f42c
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/627c2396-d448-41b9-a78d-da432f828d3e/
SH256 hash:
bdcbe9debb4d6bb0ef1a90b37155d6b63478484a2c017aad50774fcfd1a4a7d7
MD5 hash:
a200fbb22c714a380f59bf42df4492c7
SHA1 hash:
21d85c03fce406bf1ac70a077b709e3a11f09ba3
Link:
https://www.unpac.me/results/627c2396-d448-41b9-a78d-da432f828d3e/
SH256 hash:
541115841ecd877d5a411e68d2c76fd7e0271f808075769abf2c35d13f1be654
MD5 hash:
3c1215f5d11d7638c29ceccafa66eca3
SHA1 hash:
fb1f79b346cd9b012cb33df29aa7c8dd6ca3fe82
Link:
https://www.unpac.me/results/627c2396-d448-41b9-a78d-da432f828d3e/
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/541115841ecd877d5a411e68d2c76fd7e0271f808075769abf2c35d13f1be654

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/326551/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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