MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62caf27bc3b54edab77a9d06e40a725200609598200b55dded4ae7f059bc7cd8. 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: 62caf27bc3b54edab77a9d06e40a725200609598200b55dded4ae7f059bc7cd8
SHA3-384 hash: 5eeee5b55434f9c01b377a9339d7c1ffc5f440956ad67f76cb67ea22630a5d749fe1a62e07ae3a46f93bba0bf5ec77fc
SHA1 hash: 20a7ac84359fb280d7d06d457ce66ecf4eef32ae
MD5 hash: c4d85bd2aefebae4ef98c85740766162
humanhash: seventeen-neptune-solar-washington
File name:file
Download: download sample
Signature GCleaner
File size:3'028'605 bytes
First seen:2022-11-03 19:02:21 UTC
Last seen:2022-11-03 19:28:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'447 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2dnFBHNNMrkJVt2MHAXomNl+BjVe29LntuVcplAUUzbCd82r3MOCYvuFcE0RwP8:MdnFBtNakBJgXdNl+p3L4VcplAzjZyxb
Threatray 1'425 similar samples on MalwareBazaar
TLSH T11BE5337193998272D1A298F5BE2B871CD423BF212672150AE7FCD4592F36F879819F03
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 :
213
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-03 19:02:36 UTC
Tags:
installer evasion loader trojan ficker stealer vidar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Searching for synchronization primitives
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
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: 737381 Sample: file.exe Startdate: 03/11/2022 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-RORBV.tmp, PE32 10->31 dropped 13 is-RORBV.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 fnsearcher68.exe 21 13->16         started        process8 dnsIp9 41 107.182.129.235, 49696, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49697, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49695, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\Roaming\...\2iG70T.exe, PE32 16->29 dropped 20 2iG70T.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:
2022-11-03 19:03:09 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
16 of 25 (64.00%)
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:
1d288cf56ce14f78b52d9d0c2a05d87dc5132baa17f37775086b6c812376cddc
MD5 hash:
0e3b13896c7e61851d81aa59c7148b22
SHA1 hash:
f04c87e869014e96863eae89e6a702eff99abe0d
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
79cb3afa73788b7ea9c8e0a3d219d4dc9ca798dc7babdfc14531378fff35a56e
MD5 hash:
cfa1d60da29d3519797f3ccf060e9f2e
SHA1 hash:
7a1366eb2a93b5bd6eba3ea4024d5ffabc6335b1
SH256 hash:
62caf27bc3b54edab77a9d06e40a725200609598200b55dded4ae7f059bc7cd8
MD5 hash:
c4d85bd2aefebae4ef98c85740766162
SHA1 hash:
20a7ac84359fb280d7d06d457ce66ecf4eef32ae
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