MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51. 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



ArrowRAT


Vendor detections: 16


Intelligence 16 IOCs YARA 8 File information Comments

SHA256 hash: 040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51
SHA3-384 hash: 6cfb25241da8897b703eab37ec0025cba9933aeccf41578760da26655db30a8638c5967eb807fea362aec669db868777
SHA1 hash: 7e1b1c99d1bc8fdbc8173ca9eda77dd2f4fd287c
MD5 hash: d89a424f932b8a69a4657e7ec09944da
humanhash: aspen-low-zulu-artist
File name:040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51
Download: download sample
Signature ArrowRAT
File size:162'304 bytes
First seen:2024-09-24 11:27:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:qbz+H+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPoKO8Y:qbz+e0ODhTEPgnjuIJzo+PPcfPo18
TLSH T124F36D243AFA5029F173AF7A5FE47596CA2FB7733B07985D2050038A4B23A81DDD153A
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter JAMESWT_WT
Tags:51-254-27-112 ArrowRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
384
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51
Verdict:
No threats detected
Analysis date:
2024-09-24 11:27:52 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Execution Generic Other Stealth Dropper Tori Blic Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a process with a hidden window
Creating a file
Сreating synchronization primitives
Forced system process termination
Creating a window
Changing a file
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cmd hook keylogger lolbin vbnet
Result
Verdict:
MALICIOUS
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:
ArrowRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sigma detected: Explorer NOUACCHECK Flag
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected ArrowRAT
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Xhvnc
Status:
Malicious
First seen:
2024-02-11 22:48:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
32 of 38 (84.21%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
arrowrat
Result
Malware family:
arrowrat
Score:
  10/10
Tags:
family:arrowrat botnet:client discovery persistence rat
Behaviour
Checks SCSI registry key(s)
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Enumerates connected drives
Boot or Logon Autostart Execution: Active Setup
ArrowRat
Malware Config
C2 Extraction:
147.185.221.17:55141
Verdict:
Malicious
Tags:
rat arrowrat
YARA:
MALWARE_Win_ArrowRAT
Unpacked files
SH256 hash:
040cef4a919bf259e750029187dcfeff8b4b8f18e6a65cb401ee941d7999dd51
MD5 hash:
d89a424f932b8a69a4657e7ec09944da
SHA1 hash:
7e1b1c99d1bc8fdbc8173ca9eda77dd2f4fd287c
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:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:MALWARE_Win_ArrowRAT
Author:ditekSHen
Description:Detects ArrowRAT
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


The table below shows additional information about this malware sample such as delivery method and external references.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

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