MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b4f0f1478bf65775dddc0769fe644f49876d6fde5885815f0a6112d1c0faeb2a. 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
Threat unknown
Vendor detections: 12
| SHA256 hash: | b4f0f1478bf65775dddc0769fe644f49876d6fde5885815f0a6112d1c0faeb2a |
|---|---|
| SHA3-384 hash: | 75fe1dc22522b13fbe36454535fc60a6370863839aa541b9d8a48282bdf1e968bd357cef1deaa0b817844795ca16885a |
| SHA1 hash: | d1287d5bb5df9431dd2dbe772d08517949b8e5de |
| MD5 hash: | 7d3d61da08af4d1d1f69235a0619c66d |
| humanhash: | pasta-whiskey-hamper-georgia |
| File name: | COSCO_ARRIVAL_0202202693937199203857211.bat |
| Download: | download sample |
| File size: | 6'013 bytes |
| First seen: | 2026-02-02 16:51:19 UTC |
| Last seen: | Never |
| File type: |  bat |
| MIME type: | text/plain |
| ssdeep | 96:ZeOHra0zMiJFKHaIASEWu5I1f+MXkOEN4lN2nDzWZDahXBQFdjSH/Sl3Wv8nKz:pLaFiJFaASA5IYPRnDzWZahxWjSfSl3+ |
| Threatray | 1'492 similar samples on MalwareBazaar |
| TLSH | T121C15D73052AF21A39D926F661A85A11F354DEC084F0EC64C675F0291FCEF5E23EE698 |
| Magika | batch |
| Reporter | Anonymous |
| Tags: | bat |
Intelligence
File Origin
# of uploads :
1
# of downloads :
48
Origin country :
USVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_b4f0f1478bf65775dddc0769fe644f49876d6fde5885815f0a6112d1c0faeb2a.txt
Verdict:
No threats detected
Analysis date:
2026-02-02 16:53:02 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
92.5%
Tags:
dropper rapid shell sage
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Downloading the file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
powershell powershell timeout
Verdict:
Malicious
Labled as:
BZC.PZQ.Pantera.272
Verdict:
Malicious
File Type:
unix shell
First seen:
2026-02-02T10:33:00Z UTC
Last seen:
2026-02-03T15:49:00Z UTC
Hits:
~10
Detections:
PDM:Trojan.Win32.Generic not-a-virus:HEUR:RemoteAdmin.MSIL.ConnectWise.gen not-a-virus:HEUR:RemoteAdmin.Win32.ConnectWise.gen NetTool.PowerShellUA.HTTP.C&C NetTool.PowerShellGet.HTTP.C&C HEUR:Trojan.BAT.Alien.gen
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Verdict:
Malicious
Threat:
RemoteAdmin.Win32.ConnectWise
Threat name:
Script.Trojan.Pantera
Status:
Malicious
First seen:
2026-02-02 16:33:26 UTC
File Type:
Text (Batch)
AV detection:
6 of 24 (25.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
admintool_screenconnect
kalambur
Similar samples:
+ 1'482 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
10/10
Tags:
backdoor defense_evasion discovery execution persistence privilege_escalation rat revoked_codesign
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Boot or Logon Autostart Execution: Authentication Package
Drops file in System32 directory
Command and Scripting Interpreter: PowerShell
Contacts third-party web service commonly abused for C2
Enumerates connected drives
Checks computer location settings
ConnectWise ScreenConnect remote access tool
Event Triggered Execution: Component Object Model Hijacking
Executes dropped EXE
Loads dropped DLL
Badlisted process makes network request
Binary is signed using a ConnectWise certificate revoked for key compromise.
Downloads MZ/PE file
Sets service image path in registry
Malware Config
Dropper Extraction:
https://github.com/MasterP-dot/03/raw/main/bin.exe
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | Detect_PowerShell_Obfuscation |
|---|---|
| Author: | daniyyell |
| Description: | Detects obfuscated PowerShell commands commonly used in malicious scripts. |
| Rule name: | Detect_Remcos_RAT |
|---|---|
| Author: | daniyyell |
| Description: | Detects Remcos RAT payloads and commands |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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