MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98c70efff4675dd2ef3f9a90afb155c4fdbee2aa1f0f2e1641f9c0b8f432407a. 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 8 File information Comments

SHA256 hash: 98c70efff4675dd2ef3f9a90afb155c4fdbee2aa1f0f2e1641f9c0b8f432407a
SHA3-384 hash: ae68b1d62b4288456369d40d45fb03abcbcce723f3af2b58cd14045dbb15f774f2dd11c10385c3f924a3f491a528bd55
SHA1 hash: 3dfade02ec7892ebdfa977c25354a352e0c55f56
MD5 hash: 4542c9e57e9d955244262c035aaffe94
humanhash: potato-golf-cat-eighteen
File name:T.T_Copy.12.18.2024.exe
Download: download sample
Signature ArrowRAT
File size:1'208'662 bytes
First seen:2024-12-19 07:46:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 24576:INA3R5drXPU/S9abXnZZKBlxr89Wvz4csbmDEbOBVXLzR6t2oE+Lyjx:h52LGBlxRJsiDV7V60onud
TLSH T121450111BAD587B3D13219334D2AA750747F7C231B25F92AE3D4CD68C631692AF21BA3
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10522/11/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 70d89c9e9e9ce071 (1 x ArrowRAT)
Reporter lowmal3
Tags:ArrowRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
410
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
T.T_Copy.12.18.2024.exe
Verdict:
Malicious activity
Analysis date:
2024-12-19 07:50:13 UTC
Tags:
stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
dropper shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process from a recently created file
Creating a file in the %AppData% directory
Launching a process
Creating a file
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Enabling autorun
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.
Malware family:
Icarus Stealer
Verdict:
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 detection for dropped file
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1578101 Sample: T.T_Copy.12.18.2024.exe Startdate: 19/12/2024 Architecture: WINDOWS Score: 100 77 x1.i.lencr.org 2->77 79 bg.microsoft.map.fastly.net 2->79 91 Found malware configuration 2->91 93 Antivirus detection for dropped file 2->93 95 Multi AV Scanner detection for submitted file 2->95 97 9 other signatures 2->97 15 T.T_Copy.12.18.2024.exe 9 2->15         started        18 explorer.exe 2->18         started        20 explorer.exe 2->20         started        signatures3 process4 file5 75 C:\Users\user\AppData\...\dfbzdfb.sfx.exe, PE32 15->75 dropped 22 cmd.exe 1 15->22         started        process6 process7 24 dfbzdfb.sfx.exe 8 22->24         started        28 conhost.exe 22->28         started        file8 71 C:\Users\user\AppData\Local\...\dfbzdfb.exe, PE32 24->71 dropped 101 Multi AV Scanner detection for dropped file 24->101 30 dfbzdfb.exe 3 9 24->30         started        signatures9 process10 file11 73 C:\Users\user\AppData\...\zdfhrgzd.sfx.exe, PE32 30->73 dropped 33 cmd.exe 1 30->33         started        35 Acrobat.exe 62 30->35         started        process12 process13 37 zdfhrgzd.sfx.exe 7 33->37         started        40 conhost.exe 33->40         started        42 AcroCEF.exe 35->42         started        file14 69 C:\Users\user\AppData\Roaming\zdfhrgzd.exe, PE32 37->69 dropped 44 zdfhrgzd.exe 37->44         started        47 AcroCEF.exe 42->47         started        process15 signatures16 103 Antivirus detection for dropped file 44->103 105 Machine Learning detection for dropped file 44->105 49 zdfhrgzd.exe 44->49         started        52 zdfhrgzd.exe 44->52         started        process17 file18 83 Writes to foreign memory regions 49->83 85 Allocates memory in foreign processes 49->85 87 Injects a PE file into a foreign processes 49->87 55 cvtres.exe 49->55         started        59 explorer.exe 49->59         started        67 C:\Users\user\AppData\Roaming\...\I4R41F.exe, PE32 52->67 dropped 89 Creates an undocumented autostart registry key 52->89 61 cvtres.exe 52->61         started        63 explorer.exe 52->63         started        signatures19 process20 dnsIp21 81 127.0.0.1 unknown unknown 55->81 99 Tries to harvest and steal browser information (history, passwords, etc) 55->99 65 conhost.exe 61->65         started        signatures22 process23
Threat name:
Win32.Trojan.ArrowRAT
Status:
Malicious
First seen:
2024-12-19 01:16:26 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
arrowrat
Similar samples:
Result
Malware family:
arrowrat
Score:
  10/10
Tags:
family:arrowrat botnet:client01 discovery persistence rat
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Enumerates connected drives
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Boot or Logon Autostart Execution: Active Setup
ArrowRat
Arrowrat family
Modifies WinLogon for persistence
Malware Config
C2 Extraction:
127.0.0.1:1338
Unpacked files
SH256 hash:
37a1ec5bad66b1f7e842c99b6b2438fca939f6bf20be20bdde4b7963cd90c926
MD5 hash:
c8308b4dbdbe2e8d0ed8de86360d08f0
SHA1 hash:
7a9d65846e9d171d368fd20ebf6de6327b76f414
Detections:
INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL MALWARE_Win_DLAgent10 SUSP_NET_Large_Static_Array_In_Small_File_Jan24
SH256 hash:
d3da353d5bf88ee31f3735b44e3576229171d77526a38f8458fe3316d5cc905e
MD5 hash:
6bda964b935a780811350370f08d1703
SHA1 hash:
49fd15a4598c6c5094496119160cb117c3b49cf0
Detections:
MALWARE_Win_ArrowRAT
SH256 hash:
4ccc3267c3daa9b74ff011d9a9d12a0b85f277826238f6138683acccf88d8bf3
MD5 hash:
195acd1b0def55ffb1972266e86b78e6
SHA1 hash:
720cda94cbef530ad113238ad7cbddec54f49aec
SH256 hash:
98c70efff4675dd2ef3f9a90afb155c4fdbee2aa1f0f2e1641f9c0b8f432407a
MD5 hash:
4542c9e57e9d955244262c035aaffe94
SHA1 hash:
3dfade02ec7892ebdfa977c25354a352e0c55f56
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Malspam

ArrowRAT

Executable exe 98c70efff4675dd2ef3f9a90afb155c4fdbee2aa1f0f2e1641f9c0b8f432407a

(this sample)

  
Delivery method
Distributed via e-mail attachment

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
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

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