MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f7926e2ea9ec291be5cf704a04d6f209d6f1375fcf34bf679cc5456fbc1cb16. 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: 8f7926e2ea9ec291be5cf704a04d6f209d6f1375fcf34bf679cc5456fbc1cb16
SHA3-384 hash: 658f1453f2be3f8a7e32462e16b98ec07db4bfbf79b0cc7d19f2f0d59c7704a47b961bb8e6f634d8704c2e21a7fabbb2
SHA1 hash: f3bf8f908b6af1dde78eab0933f2a1b7462cb86a
MD5 hash: 19271e34f599a21b58c77dcf8bba2aa1
humanhash: beryllium-princess-chicken-friend
File name:file
Download: download sample
Signature GCleaner
File size:1'851'602 bytes
First seen:2023-05-06 14:35:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash da86ff6d22d7419ae7f10724a403dffd (1'679 x GCleaner, 1 x Socks5Systemz)
ssdeep 49152:c843eQafMnzHEjbiWW5pEgtsQZwXbkqMcjKenWkDAG5cl:cZhzmc5cIwXbyEWkDXcl
Threatray 3'105 similar samples on MalwareBazaar
TLSH T19485330A92659E7CE202FF751CA7CA328535BE123C2A649F33C8598D9F3F6009D547DA
TrID 81.0% (.EXE) Inno Setup installer (109740/4/30)
10.4% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.2% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Generic Win/DOS Executable (2002/3)
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://45.12.253.74/pineapple.php?pub=mixinte

Intelligence


File Origin
# of uploads :
1
# of downloads :
265
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-05-06 14:37:03 UTC
Tags:
installer loader stealer vidar trojan arkei rat redline

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 in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Creating a file in the %AppData% 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 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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer overlay packed packed
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:
100 / 100
Signature
Antivirus detection for dropped file
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
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 860478 Sample: file.exe Startdate: 06/05/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus detection for URL or domain 2->53 55 7 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-KVNP9.tmp, PE32 10->31 dropped 13 is-KVNP9.tmp 14 23 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 5 other files (4 malicious) 13->39 dropped 16 Rec56.exe 24 13->16         started        process8 dnsIp9 41 45.12.253.56, 49692, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49693, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49694, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\Roaming\...\0ZCE4a.exe, PE32 16->29 dropped 20 0ZCE4a.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Threat name:
Win32.Trojan.Nekark
Status:
Malicious
First seen:
2023-05-06 14:36:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner discovery loader
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
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:
a4caaaa23ed4e9618bf655e722b9430e6b0e7345dddaf70805215ddeb51345bd
MD5 hash:
a071f2b20a12552ab17de5bee3399136
SHA1 hash:
0399fbb7d244c70ea5041d8e24c17e75a9a7047e
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
ade0b10a5a460a9fd09792d4d625c0b8793e05eb86eadb1ad90e6525b619d42c
MD5 hash:
d2b3e4e48e18c6d30035f4ca2dc852f9
SHA1 hash:
373d181f17782d2ddce09b84a5a86e5e8b642c12
SH256 hash:
a2e55481a9ba97bb5cf5810ac218fd8f25d91fbc061b9780e7fc61e67863ebb5
MD5 hash:
03a4d5dce78e7dc57aec0e7feaaac289
SHA1 hash:
1d9fae87b1925083b5b2c76e72399e2e00e8d80c
SH256 hash:
8f7926e2ea9ec291be5cf704a04d6f209d6f1375fcf34bf679cc5456fbc1cb16
MD5 hash:
19271e34f599a21b58c77dcf8bba2aa1
SHA1 hash:
f3bf8f908b6af1dde78eab0933f2a1b7462cb86a
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
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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