MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb0ccca16776b72d82a43083e93e1a033629a026d1380a95c1e9278a817857e7. 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: cb0ccca16776b72d82a43083e93e1a033629a026d1380a95c1e9278a817857e7
SHA3-384 hash: fb003b36e80114ada498fac0296f2f8b4fb43f070407dd6806806a602189063040a41fc732f03c7faa5185c7b8edce88
SHA1 hash: dc02b378f1575325b24320417406d15351aa69e1
MD5 hash: db29df32bd306d781ce3a71925d1ea77
humanhash: carolina-hawaii-violet-social
File name:file
Download: download sample
Signature GCleaner
File size:2'562'483 bytes
First seen:2022-10-28 09:30:55 UTC
Last seen:2022-10-28 09:59:52 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:Z2RT5NvJr90J4UXdlAKFz83sBeOHa+hVwxISZ4/fkuA5hq:M55NRifXdlrrBbrh2BOADq
TLSH T19EC53311F6E9C874D170C130DFB2CA3966606E3FEA22A4956FEC6E8D96477A24C4C3C5
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 :
16
# of downloads :
265
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-28 09:50:04 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 system32 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
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
Sending an HTTP GET request
Creating a file in the %AppData% 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: 732935 Sample: file.exe Startdate: 28/10/2022 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-L6UOC.tmp, PE32 10->31 dropped 13 is-L6UOC.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 fbsearcher62.exe 24 13->16         started        process8 dnsIp9 41 107.182.129.235, 49707, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49708, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49706, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\x7E0bsL1oN.exe, PE32 16->29 dropped 20 x7E0bsL1oN.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:
2022-10-28 10:15:36 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
17 of 26 (65.38%)
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b2c2fabd009e6be563bdc7224b0e96316e79ca6c7528146b80ae8ed6259152c7
MD5 hash:
72ea443e118ca81e1450a46cb4fd8d90
SHA1 hash:
cc753c5b8e1a6d5477026c2fff6c5fff5401f358
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
79c759ccf56a3167ca7b5d83b8adb67f29f3f0ccf6968240bcea30c36353bcc1
MD5 hash:
0d36d787cc379ed897aa30c51c2411fd
SHA1 hash:
c6a0a029dc9d35578037338cce3927eac33161cd
SH256 hash:
60fe58b41933219074c3f935c221ef3ffd2e76e00ef699a6d1703dfb49b7c587
MD5 hash:
e80d0a367c151031867072cc5a690a76
SHA1 hash:
9cc7492a5046b143c95a498804e6a915cca78399
SH256 hash:
cb0ccca16776b72d82a43083e93e1a033629a026d1380a95c1e9278a817857e7
MD5 hash:
db29df32bd306d781ce3a71925d1ea77
SHA1 hash:
dc02b378f1575325b24320417406d15351aa69e1
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