MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0f857e0930d3b5fbf01329730323c880db88be6afef9a9f0bb4105573d913b5. 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 2 File information Comments

SHA256 hash: b0f857e0930d3b5fbf01329730323c880db88be6afef9a9f0bb4105573d913b5
SHA3-384 hash: ba7470d7bf6f20f8595be08c6eedebf10c1071a7eda30ade4a9dbaddd2a75fd4fbb724eb62890bfa15a3d7a672b4e9b3
SHA1 hash: 986fb5f696ac42d370f1bdefe2d27e9cb1aa8277
MD5 hash: c8add1e0c501c41bf438baac34b5b86a
humanhash: angel-pasta-nitrogen-winner
File name:file
Download: download sample
Signature GCleaner
File size:2'342'870 bytes
First seen:2022-10-22 16:15:55 UTC
Last seen:2022-10-22 16:44:41 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:Z2f3HKStUeMKTYkWNepsZznYHPL/JNjNb915EtB4qOKtqwRA5hq:MP0cUEsTOLDV91aOKtqBDq
TLSH T1AFB5330FB18AC130E0F079746DBD4B066E31335084764E60FBAE2DDE5F2629D562A76B
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 :
17
# of downloads :
292
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-22 16:17:47 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
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 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:
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: 728200 Sample: file.exe Startdate: 22/10/2022 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-FGJ0L.tmp, PE32 10->31 dropped 13 is-FGJ0L.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 epsearcher56.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49706, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49707, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49703, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\AoLMpetkeFKOWL.exe, PE32 16->29 dropped 20 AoLMpetkeFKOWL.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:
2022-10-22 17:12:27 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
16 of 26 (61.54%)
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 behavior: GetForegroundWindowSpam
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:
a0aea267ef438d454477f7d67a3902507871f1c0f71256076ae3afac3c985dce
MD5 hash:
29e5ed75ed311cd71db8c647da61716b
SHA1 hash:
da30515a06f6d805e85c9f40a2da2928da420d7f
Detections:
win_nymaim_g0 win_gcleaner_auto
SH256 hash:
85e10e6482618c1966092d8c7b689a3b1631217c8e0ddf32a4d42abae5421313
MD5 hash:
81cfc34af07a2c5cb108ec875faa5094
SHA1 hash:
abfe419a795b959dee418f8388d4b72f2e79bf37
SH256 hash:
b0f857e0930d3b5fbf01329730323c880db88be6afef9a9f0bb4105573d913b5
MD5 hash:
c8add1e0c501c41bf438baac34b5b86a
SHA1 hash:
986fb5f696ac42d370f1bdefe2d27e9cb1aa8277
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: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

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