MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 739d2ab39af14fd0d28e16bdaa99c917850f56b747a1ed385477aff29805a9c8. 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: 739d2ab39af14fd0d28e16bdaa99c917850f56b747a1ed385477aff29805a9c8
SHA3-384 hash: d2f812a5b07528f294bb333a85a2e1c418f79cf27b24373f8e291c546c0b5759056bed9a239ad8991fa4c260b1d47beb
SHA1 hash: d111f49b80006fbb0a74585f7edd445fe68382b9
MD5 hash: 4d378e02c6e3fb215746438bf3b2e55c
humanhash: march-bravo-hamper-mango
File name:file
Download: download sample
Signature GCleaner
File size:2'581'855 bytes
First seen:2022-10-29 17:01:39 UTC
Last seen:2022-10-29 17:29:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'494 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2vkHgn4JyxnUyfm6VqDX/ztXBRde3IUuj0LnK9ynI/6A5hq:McHgn4wUytVqDXrR8J3nADq
Threatray 1'033 similar samples on MalwareBazaar
TLSH T15FC533B9CBD06472E1435831E822DF50FAD2F8990425F064B63CE39E1F277A59809B7E
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 :
13
# of downloads :
397
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-29 17:02:49 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
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
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:
84 / 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)
Multi AV Scanner detection for dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 733646 Sample: file.exe Startdate: 29/10/2022 Architecture: WINDOWS Score: 84 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 2 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-PLG0G.tmp, PE32 10->31 dropped 13 is-PLG0G.tmp 16 25 10->13         started        process6 file7 33 C:\Program Files (x86)\...\fdsearcher63.exe, PE32 13->33 dropped 35 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->37 dropped 39 4 other files (none is malicious) 13->39 dropped 16 fdsearcher63.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49685, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49686, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49684, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\pBeLGMFso05L.exe, PE32 16->29 dropped 20 pBeLGMFso05L.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:
2022-10-29 17:02:09 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
9a2d73e7cbedabcde0a99e2342b9d67ce8adf609c37a1468056c5779cc9eded5
MD5 hash:
7d80ed5319be5a0c6f29f65f7d8703a5
SHA1 hash:
f952ea949be23b96b673c35dfb076ea6487797c0
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
62d7c943fbfc43627dcccbdd11249126fda8369e02e5622475edfef2cf83156d
MD5 hash:
5647c8f2569de7986cc55b399f99d33b
SHA1 hash:
a98962b2e8566c2e21d4e800d4006e37bb5590f5
SH256 hash:
463fe7a79f2ebb2c3ca29f48a5b459b8df150ce8f11eca8c7b893b63db354928
MD5 hash:
81e520aa55957241a462a14f59ad2826
SHA1 hash:
6b3d891add81c6baabbb6f24130c410228b3afdf
SH256 hash:
739d2ab39af14fd0d28e16bdaa99c917850f56b747a1ed385477aff29805a9c8
MD5 hash:
4d378e02c6e3fb215746438bf3b2e55c
SHA1 hash:
d111f49b80006fbb0a74585f7edd445fe68382b9
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

Comments