MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a73f67009d77906b2dfee216b4e7cb940eef13304c22e909b65cd2834e291b1a. 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: a73f67009d77906b2dfee216b4e7cb940eef13304c22e909b65cd2834e291b1a
SHA3-384 hash: aada3bd75ca2c6028ff7a817dc3981b1b66152dcb194f732c13256980827ee4a008db6432b536d8c98f0f6c622d76bcf
SHA1 hash: a9b102d7b76416bc4beaa2702e3b90206c323b66
MD5 hash: b41b657eb9883b9d2de872e7200d4fd2
humanhash: video-comet-four-texas
File name:b41b657eb9883b9d2de872e7200d4fd2.exe
Download: download sample
Signature ArrowRAT
File size:162'304 bytes
First seen:2024-08-11 06:58:03 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 3072:5bzwH+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfP6OO8Y:5bzwe0ODhTEPgnjuIJzo+PPcfP6B8
TLSH T1DAF36D243EEA5029F173AF765FE47596CA2FB7733B07985D2050038A4B23A81DDD153A
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)
Reporter abuse_ch
Tags:ArrowRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
332
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b41b657eb9883b9d2de872e7200d4fd2.exe
Verdict:
Malicious activity
Analysis date:
2024-08-11 07:05:14 UTC
Tags:
uac stealer api-base64

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 Infostealer Other Stealth Msil
Verdict:
Malicious
Threat level:
  10/10
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
Contains functionality to log keystrokes (.Net Source)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
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:
2024-08-02 17:08:29 UTC
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
arrowrat
Score:
  10/10
Tags:
family:arrowrat botnet:client credential_access discovery persistence rat stealer
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
Credentials from Password Stores: Credentials from Web Browsers
ArrowRat
Malware Config
C2 Extraction:
and-statements.gl.at.ply.gg:43442
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a73f67009d77906b2dfee216b4e7cb940eef13304c22e909b65cd2834e291b1a
MD5 hash:
b41b657eb9883b9d2de872e7200d4fd2
SHA1 hash:
a9b102d7b76416bc4beaa2702e3b90206c323b66
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

Comments