MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b9e5612545c84e9de6576436dd875b2b529e128fcb50b77a988ccc9985e2109. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b9e5612545c84e9de6576436dd875b2b529e128fcb50b77a988ccc9985e2109
SHA3-384 hash: 520a910710ce8e22668b1c40da2d3c4b72b743fce852078635b7083ef4eee89df8874b65146d0f6a0e560394850c9ab3
SHA1 hash: 5e333b8d3fedd2dd86ba69ba9e15ef14c5b1d55d
MD5 hash: f2dd04aa67edf751461c2332d30d6083
humanhash: one-yankee-hydrogen-skylark
File name:f2dd04aa67edf751461c2332d30d6083.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'268'823 bytes
First seen:2023-07-13 07:45:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 24576:OfOym3/sxBp6BDBNUIsQKjdLy+MK4EdVL/kciWazgddl2vSBreuS2w02VnKU:OG9a6psQadLyZjciVmFeuZknn
Threatray 3'560 similar samples on MalwareBazaar
TLSH T143453303F96D0075D0D2CDF07E5AEA85CAD7BF622D39B106BA1D684F672EBB28545320
TrID 80.3% (.EXE) Inno Setup installer (109740/4/30)
10.3% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
1.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 84c160b0d670b044 (28 x GCleaner)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
1
# of downloads :
261
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f2dd04aa67edf751461c2332d30d6083.exe
Verdict:
Malicious activity
Analysis date:
2023-07-13 07:49:38 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/7404450b-d78e-4faa-9ba3-e5f63ba83c89

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/417301/
Detection(s):
SecuriteInfo.com.Adware.Generic2.DOZ.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 in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Launching the process to interact with network services
Modifying a system file
Searching for synchronization primitives
Launching a process
Creating a file in the %AppData% subdirectories
Sending a custom TCP 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
Link:
https://dragonfly.certego.net/analysis/97401/overview
Behaviour
MalwareBazaar
CheckCmdLine
Gathering data
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/1b9e5612545c84e9de6576436dd875b2b529e128fcb50b77a988ccc9985e2109
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/437aacfa-c9e5-48d2-a97e-2f03e04eeac7
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1272275
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)
Found malware configuration
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: 1272275 Sample: lIt6OZJvTe.exe Startdate: 13/07/2023 Architecture: WINDOWS Score: 100 40 45.12.253.72 CMCSUS Germany 2->40 42 45.12.253.75 CMCSUS Germany 2->42 44 45.12.253.98 CMCSUS Germany 2->44 48 Found malware configuration 2->48 50 Antivirus detection for URL or domain 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 5 other signatures 2->54 9 lIt6OZJvTe.exe 2 2->9         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-V0UP0.tmp, PE32 9->30 dropped 12 is-V0UP0.tmp 11 102 9->12         started        process6 file7 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 12->32 dropped 34 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 12->34 dropped 36 C:\...\unins000.exe (copy), PE32 12->36 dropped 38 8 other files (6 malicious) 12->38 dropped 15 RevSpacer713.exe 8 12->15         started        19 net.exe 1 12->19         started        process8 dnsIp9 46 45.12.253.56, 80 CMCSUS Germany 15->46 28 C:\Users\user\AppData\Roaming\...\CVxGN.exe, PE32 15->28 dropped 21 CVxGN.exe 15->21         started        24 conhost.exe 19->24         started        26 net1.exe 1 19->26         started        file10 process11 signatures12 56 Multi AV Scanner detection for dropped file 21->56
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b9e5612545c84e9de6576436dd875b2b529e128fcb50b77a988ccc9985e2109/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-07-13 07:46:04 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dopfmesulscotxtfozbw3wdvwk2styji7s2qw55jrdgmtgc6eeeq._file
Verdict:
malicious
Similar samples:
474e293e9c25fdccd36c77f62b4b234fc97d8f1122dcbe78494f5482b6675f44
GCleaner
58d57f768804a9c0594a2f9a2db379788d41fbeaca4936a1fe6a0f8986265a77
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7475db7ff71a655c148820592471897f2ada47b1ae154e23cb83a666152ca23d
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8dfa5976b6d62611242f6a792f460ae72e60ebfb9774ad81066c7ea2a153b61a
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93cb045c691341fee5fe4b5aae26233c3bdfb480db20a904ef7f7749db2c6e86
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9dc3c210f41de276264b20019ec64beb14955fb59dff048b10fab6a397a26be3
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a966075818dd971effd37c47d3de59591064a7bc99f37296e04c6d8a63ce3ea2
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c50ed0352f86462194d23cc0b3128c28eca1eaa426049abddd58e697e29831cb
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cf34174392d422249a3b1c2a488709b3606143bf51acfa14ca53928051697331
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e88259872bb2df0913c156511df3eba707e0a39f520fecd3316654c26cd05334
GCleaner
+ 3'550 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230713-jlz5hsgg3w/
Behaviour
Kills process with taskkill
Runs net.exe
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
Executes dropped EXE
Loads dropped DLL
GCleaner
Malware Config
C2 Extraction:
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Unpacked files
SH256 hash:
d25d4def1d3d4312d0a3f1c8cf6625259b2ae918addd5dc365d35c440b83cdc1
MD5 hash:
ff7105ac2cb7316f2b3bef831701b5de
SHA1 hash:
b82cbac5ca59fc0f1fa784ac73a2b283031f017f
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/8b7bb41d-8780-40f2-a9f0-1c8e697a8bfe/
SH256 hash:
de7e4b7e47367c4a2ecab54aec6e0470bc693c56520e83a52b0f989beca48db4
MD5 hash:
a2ab32f5a0b2d9277509640672d3b10a
SHA1 hash:
78f7941e91e615ede959e715be65e57a2b06e09e
Link:
https://www.unpac.me/results/8b7bb41d-8780-40f2-a9f0-1c8e697a8bfe/
SH256 hash:
5212f7d15d0f405715bf31f89582773bf7b65311423e91acc967b04b11250563
MD5 hash:
17630c8997b5951761f3fcad199cedd0
SHA1 hash:
0486434e08fb7c1ee527d352ecc96133f3014b38
Link:
https://www.unpac.me/results/8b7bb41d-8780-40f2-a9f0-1c8e697a8bfe/
SH256 hash:
1b9e5612545c84e9de6576436dd875b2b529e128fcb50b77a988ccc9985e2109
MD5 hash:
f2dd04aa67edf751461c2332d30d6083
SHA1 hash:
5e333b8d3fedd2dd86ba69ba9e15ef14c5b1d55d
Link:
https://www.unpac.me/results/8b7bb41d-8780-40f2-a9f0-1c8e697a8bfe/
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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

Web download

GCleaner

Executable exe 1b9e5612545c84e9de6576436dd875b2b529e128fcb50b77a988ccc9985e2109

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/417301/

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