MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6f5d3df2c9338d58013f95c46b4aae918ecbf1d543c02454d491310baaf36a6. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: d6f5d3df2c9338d58013f95c46b4aae918ecbf1d543c02454d491310baaf36a6
SHA3-384 hash: 856c29e3d2618141eb0f6f077cdda11299eb6fa05f528e2fcb04d9d6d3c2321a1329167797bf777aaca3a88ca6dd5985
SHA1 hash: e05df88178fe8aac7f2a3e5b8595df3d08fefa9c
MD5 hash: 5d26f250bbacdfbb5a0377780a3c0f2d
humanhash: louisiana-may-lima-mango
File name:file
Download: download sample
Signature GCleaner
File size:2'593'441 bytes
First seen:2022-10-31 04:16:37 UTC
Last seen:2022-10-31 04:44:38 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:Z2RPTthZCwqXIQCd+tFisKir/i9CVKa9ulbdxc0734nE4lHFKsSzAIppA5hq:MRLsFIQ3w5iW9CVKVXc0D4E4rnSkIpSW
TLSH T186C5333E8A5D8A34C44271B31F1BA658A573BF664275B26DF38C41AF133DF858D263A0
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 :
19
# of downloads :
539
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-31 04:19:05 UTC
Tags:
installer loader evasion trojan ficker stealer opendir vidar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
DNS 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
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 734085 Sample: file.exe Startdate: 31/10/2022 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-CCOS4.tmp, PE32 10->31 dropped 13 is-CCOS4.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 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49700, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49701, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49699, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\LWRte0sbeuWG.exe, PE32 16->29 dropped 20 LWRte0sbeuWG.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
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2022-10-31 04:17:10 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:nymaim discovery trojan
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:
5c6ee02b3f1d4a90e277e389638743e9ecedee1dfa19d0d67963957fcabb96af
MD5 hash:
39a1524bf182a4efd27f9d09230bf2a3
SHA1 hash:
ae246db80db3d2e83a6716acc6f8f5cbe10a1118
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
4c17a1252b4633bf687d8dffdb4ce1056dedf51f0863e613e3277d4a0e598bfe
MD5 hash:
89a3c7dc6b0cd93d3ae2641310864a36
SHA1 hash:
c739a3cda1689da802abcc7840640416ccced7b2
SH256 hash:
d6f5d3df2c9338d58013f95c46b4aae918ecbf1d543c02454d491310baaf36a6
MD5 hash:
5d26f250bbacdfbb5a0377780a3c0f2d
SHA1 hash:
e05df88178fe8aac7f2a3e5b8595df3d08fefa9c
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:win_gcleaner_auto
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

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