MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a21d6b518c6d778c33960ca4e6cce32e2712ffc7bcac8ebb9b7ceef80ca631ee. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a21d6b518c6d778c33960ca4e6cce32e2712ffc7bcac8ebb9b7ceef80ca631ee
SHA3-384 hash: 3fef1936ac95693c1cf9b66e85af55b81f74da3e19ae7fdba380a4b5d8eca70f88ab119a03c6f90dcb526a3858f9d6a2
SHA1 hash: ddca8d8bd536c2a0656ff18740d6f2e96f75f7ba
MD5 hash: eb5a629054891e425d37010437b0cfe7
humanhash: november-vegan-cola-mars
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'333'936 bytes
First seen:2023-01-28 14:32:02 UTC
Last seen:2023-01-28 14:59:08 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:okug+mN1LIwBELRzLnmncp7iExbsw+jT6NWqtvO6nR5hBiRVLCgv2MR:hug+mN1LqLRnmnc/50q9tbnvhBCJv2MR
TLSH T18BB5330BA482C13FD52187FB26754142CF72BD9E203C06D9399A369D19B18A06DB9BFD
TrID 78.6% (.EXE) Inno Setup installer (109740/4/30)
10.1% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
2.1% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 71f0e0ccccf0f0f0 (204 x GCleaner)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://45.12.253.74/pineapple.php?pub=mixinte

Intelligence

File Origin
# of uploads :
15
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-28 14:35:03 UTC
Tags:
installer
Link:
https://app.any.run/tasks/c1b9e81a-c29b-43a6-8f03-879d9b7c4f39

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/357750/
Detection(s):
SecuriteInfo.com.Trojan.Moneyinst.746.21331.248.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
Modifying a system file
Creating a file in the %AppData% subdirectories
Sending an HTTP GET request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/63655/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63d531e689bd67c10fdb039a/reports/56384b2c-592e-49c1-886f-5d523e63518b/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d54840c9-4961-4424-bb03-7821a4c0d65f
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1160789
Signature
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
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 793526 Sample: file.exe Startdate: 28/01/2023 Architecture: WINDOWS Score: 92 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Detected unpacking (changes PE section rights) 2->52 54 Detected unpacking (overwrites its own PE header) 2->54 56 3 other signatures 2->56 10 file.exe 2 2->10         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 10->32 dropped 60 Obfuscated command line found 10->60 14 file.tmp 18 17 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->38 dropped 40 7 other files (6 malicious) 14->40 dropped 17 finalrecovery.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49682, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49683, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49684, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\Lq6LuxRc.exe, PE32 17->30 dropped 21 Lq6LuxRc.exe 17->21         started        24 cmd.exe 1 17->24         started        file11 process12 signatures13 58 Multi AV Scanner detection for dropped file 21->58 26 taskkill.exe 1 24->26         started        28 conhost.exe 24->28         started        process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a21d6b518c6d778c33960ca4e6cce32e2712ffc7bcac8ebb9b7ceef80ca631ee/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-01-28 14:32:11 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uiowwummnv3yym4wbssonthdfytrf76hxswi5o43ptxpqdfgghxa._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230128-rwallsgf3x/
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
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:
1d249c06208ab5e74bb6adad3a6eb45e484a85e74f158360417775eac776ebb4
MD5 hash:
64a9739348ff0b55448bd358cdcdb436
SHA1 hash:
84f97ade92bdfa2391ed1ba3e54456b771304f63
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/3f21349e-9145-4597-a8e2-080a1decbb57/
SH256 hash:
ecf841e1226976a6fd9f3410b602b850af6599e3288b9b509a2569117d3f9a28
MD5 hash:
48ed88f51cd17174df5dc2c478ef13bd
SHA1 hash:
e6f1891dc679d5e8c2457e84b1a900755f6c5fd9
Link:
https://www.unpac.me/results/3f21349e-9145-4597-a8e2-080a1decbb57/
SH256 hash:
3561036db45e2a6f74046d20439c47d7dd820687fcae59a3bf21bc0a317477ef
MD5 hash:
8c3bc8e51cd41d89fbd0824f85073a35
SHA1 hash:
c959b700da37e180ef7ca01e47e93bb0d45c1e93
Link:
https://www.unpac.me/results/3f21349e-9145-4597-a8e2-080a1decbb57/
SH256 hash:
a85836c8a63cb546e5c3dedd865725b62fdabf943e2a696b5d0b1052ae20f6a3
MD5 hash:
dd6211e93847aae38ebae3f4d624e3b1
SHA1 hash:
04a919056efa446116c0f9c8ba7034f22c7ac8aa
Link:
https://www.unpac.me/results/3f21349e-9145-4597-a8e2-080a1decbb57/
SH256 hash:
a21d6b518c6d778c33960ca4e6cce32e2712ffc7bcac8ebb9b7ceef80ca631ee
MD5 hash:
eb5a629054891e425d37010437b0cfe7
SHA1 hash:
ddca8d8bd536c2a0656ff18740d6f2e96f75f7ba
Link:
https://www.unpac.me/results/3f21349e-9145-4597-a8e2-080a1decbb57/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a21d6b518c6d778c33960ca4e6cce32e2712ffc7bcac8ebb9b7ceef80ca631ee

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.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/357750/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

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