MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b3b7b4ccc8ae4950f3d28e38583e302e486a0eaf900e8031dffae831a61a8d9. 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: 7b3b7b4ccc8ae4950f3d28e38583e302e486a0eaf900e8031dffae831a61a8d9
SHA3-384 hash: bda63d2dc463002f7ca4404619a56b2ae78741f7c285a1d9010e4adbb6322a1d50d70c08a27dd29ca81067513834e9e2
SHA1 hash: e9d811126515a6a0c645ad9c7196ad96265172d6
MD5 hash: 92264981fc7aa20a936d2df69fe39ac0
humanhash: equal-california-edward-sierra
File name:file
Download: download sample
Signature GCleaner
File size:2'625'461 bytes
First seen:2022-10-31 20:18:16 UTC
Last seen:2022-10-31 20:43:37 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:Z2MAhS+YqJ5XJM0mHn3k2P6Pf31ATO1g+t1ZxisA5hq:MMSS+Y0XPmHUfP90O1geoDq
TLSH T16CC533E3D5A164B1C0A3E5F49E37DEBC490B38116468AC4C77CE828D9F16BC98E14AF1
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 :
8
# of downloads :
423
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-31 20:18:52 UTC
Tags:
installer

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
Searching for synchronization primitives
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
Moving a file to the %AppData% subdirectory
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:
96 / 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
Multi AV Scanner detection for submitted file
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 734708 Sample: file.exe Startdate: 31/10/2022 Architecture: WINDOWS Score: 96 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 Multi AV Scanner detection for submitted file 2->53 55 Detected unpacking (changes PE section rights) 2->55 57 4 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-K46LC.tmp, PE32 10->31 dropped 13 is-K46LC.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 fhsearcher65.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49701, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49702, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49698, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\8vB9OwEHQjG75.exe, PE32 16->29 dropped 20 8vB9OwEHQjG75.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:
2022-10-31 20:19:10 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
18 of 25 (72.00%)
Threat level:
  5/5
Verdict:
malicious
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
Unpacked files
SH256 hash:
72e24eeee5c1f945b84d8707ff7432f6756cdfd446abccbda9e6c058cb944fc4
MD5 hash:
f4e6899ec7e6800a244b9aef619a3b61
SHA1 hash:
4905a8fa7709f643ece92e912a2df0822a6ae8ff
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
2a0b4d3891eb800a4f861673beb09badce03e41a47571bc51e76370ab5b43c1e
MD5 hash:
d4f3e77a5a194b4d0ec8177d0da31812
SHA1 hash:
c8045b320a9e5faadcedfb40df148e77f0d186a5
SH256 hash:
0505706f1e1d4a26c44aa6089ec05d9eb333288d46549324df416a8a1ad590ae
MD5 hash:
eaacc747bf2fde4be46d0b152a965f60
SHA1 hash:
6763d699c045f7094179808cf5d21a552e3f03dd
SH256 hash:
7b3b7b4ccc8ae4950f3d28e38583e302e486a0eaf900e8031dffae831a61a8d9
MD5 hash:
92264981fc7aa20a936d2df69fe39ac0
SHA1 hash:
e9d811126515a6a0c645ad9c7196ad96265172d6
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