MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0ecd7e8709a733b5c07e102a850e5e626f04e997e5a125632df80a85944b58b. 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: 15


Intelligence 15 IOCs YARA 13 File information Comments

SHA256 hash: a0ecd7e8709a733b5c07e102a850e5e626f04e997e5a125632df80a85944b58b
SHA3-384 hash: 6b1c65a2a78fac04ae245892ebd4ddac537564ee2c4099dffbca0415bf17acc9b5055aef159a726c5ddc3127cc5f75eb
SHA1 hash: 114878c7437c44b9d33085f3f75ca16f4e3aa9dc
MD5 hash: ab0d49fdafb94d853b64632422636c97
humanhash: speaker-fifteen-idaho-undress
File name:a0ecd7e8709a733b5c07e102a850e5e626f04e997e5a125632df80a85944b58b
Download: download sample
Signature ArrowRAT
File size:750'080 bytes
First seen:2024-09-24 11:27:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'472 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:VD9TFmMwfrck/YEwEVhftq6rmIGD9P5X5U4LVkYdS7Ffi:KgERVNQ6Fq9hX5U4L94Zi
Threatray 26 similar samples on MalwareBazaar
TLSH T13EF4F5BC7A415A72FC5DD130AD110AC4BB670F136280BA9653FB26CA875F0F76E45C8A
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
File icon (PE):PE icon
dhash icon d4ccdadadacce421 (1 x njrat, 1 x BitRAT, 1 x ArrowRAT)
Reporter JAMESWT_WT
Tags:51-254-27-112 ArrowRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
393
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a0ecd7e8709a733b5c07e102a850e5e626f04e997e5a125632df80a85944b58b
Verdict:
Malicious activity
Analysis date:
2024-09-24 11:35:22 UTC
Tags:
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 Network Other Stealth Trojan Injector Autorun Tori Sage Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Launching a process
Creating a process with a hidden window
Searching for the window
Using the Windows Management Instrumentation requests
Running batch commands
Setting a global event handler for the keyboard
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm babel obfuscator babel_net bladabindi dotfuscator dotfuscator goliath obfuscated packed packed smartassembly spices.net yano yano
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 process injector
.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
Antivirus detection for dropped file
Binary or sample is protected by dotNetProtector
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Monitors registry run keys for changes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sigma detected: Explorer NOUACCHECK Flag
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to harvest and steal browser information (history, passwords, etc)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected ArrowRAT
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1516614 Sample: RGSIlG6W0e.exe Startdate: 24/09/2024 Architecture: WINDOWS Score: 100 71 vncnew1984.duckdns.org 2->71 75 Found malware configuration 2->75 77 Antivirus / Scanner detection for submitted sample 2->77 79 Multi AV Scanner detection for submitted file 2->79 83 12 other signatures 2->83 9 RGSIlG6W0e.exe 3 2->9         started        13 kio.exe 3 2->13         started        15 kio.exe 2->15         started        17 3 other processes 2->17 signatures3 81 Uses dynamic DNS services 71->81 process4 file5 69 C:\Users\user\AppData\...\RGSIlG6W0e.exe.log, ASCII 9->69 dropped 95 Writes to foreign memory regions 9->95 97 Allocates memory in foreign processes 9->97 99 Binary or sample is protected by dotNetProtector 9->99 101 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 9->101 19 RegAsm.exe 2 9->19         started        22 cmd.exe 3 9->22         started        31 2 other processes 9->31 103 Antivirus detection for dropped file 13->103 105 Multi AV Scanner detection for dropped file 13->105 107 Machine Learning detection for dropped file 13->107 109 Tries to delay execution (extensive OutputDebugStringW loop) 13->109 25 RegAsm.exe 13->25         started        33 3 other processes 13->33 111 Injects a PE file into a foreign processes 15->111 27 RegAsm.exe 15->27         started        35 3 other processes 15->35 29 RegAsm.exe 17->29         started        37 2 other processes 17->37 signatures6 process7 file8 43 2 other processes 19->43 65 C:\Users\user\AppData\Roaming\kio\kio.exe, PE32 22->65 dropped 67 C:\Users\user\...\kio.exe:Zone.Identifier, ASCII 22->67 dropped 85 Binary or sample is protected by dotNetProtector 22->85 39 conhost.exe 22->39         started        87 Writes to foreign memory regions 25->87 89 Allocates memory in foreign processes 25->89 91 Injects a PE file into a foreign processes 25->91 46 2 other processes 25->46 49 2 other processes 27->49 51 2 other processes 29->51 93 Uses schtasks.exe or at.exe to add and modify task schedules 31->93 53 3 other processes 31->53 55 4 other processes 33->55 57 4 other processes 35->57 41 conhost.exe 37->41         started        signatures9 process10 dnsIp11 73 vncnew1984.duckdns.org 88.214.59.176, 1984, 49736, 49737 AS40676US Germany 43->73 59 conhost.exe 43->59         started        113 Query firmware table information (likely to detect VMs) 46->113 115 Monitors registry run keys for changes 46->115 61 conhost.exe 46->61         started        117 Tries to harvest and steal browser information (history, passwords, etc) 49->117 63 conhost.exe 49->63         started        signatures12 process13
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-05-26 23:48:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
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
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
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
Executes dropped EXE
Boot or Logon Autostart Execution: Active Setup
ArrowRat
Malware Config
C2 Extraction:
vncnew1984.duckdns.org:1984
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
dddeb2fcb97828a82afe477716075c569c6ce23ad55d32d3f966044d2b87b138
MD5 hash:
ad5161352a126e74ea0ea1eb7de72943
SHA1 hash:
f80d1c1edbb03033f8900bb404cd4df5ff3ec9ee
SH256 hash:
a0ecd7e8709a733b5c07e102a850e5e626f04e997e5a125632df80a85944b58b
MD5 hash:
ab0d49fdafb94d853b64632422636c97
SHA1 hash:
114878c7437c44b9d33085f3f75ca16f4e3aa9dc
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_Babel
Author:ditekSHen
Description:Detects executables packed with Babel
Rule name:INDICATOR_EXE_Packed_Dotfuscator
Author:ditekSHen
Description:Detects executables packed with Dotfuscator
Rule name:INDICATOR_EXE_Packed_dotNetProtector
Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_Goliath
Author:ditekSHen
Description:Detects executables packed with Goliath
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

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 (HIGH_ENTROPY_VA)high

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