MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecff5e9fc6e4fc922ae7c0a4d111350b4625edb6755209101aa7152732b28f0b. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ecff5e9fc6e4fc922ae7c0a4d111350b4625edb6755209101aa7152732b28f0b
SHA3-384 hash: c7f77bb69862de34ff451def0d5ae8c58ac645bf240759d469e35d1e3a394c00062b533f3a7e3213522b01e8fe75f6bb
SHA1 hash: e3b472abcae46c5da33e04d94ede7f6ffb082863
MD5 hash: e005c377c3afa1c769c875439bbf1aec
humanhash: north-grey-apart-minnesota
File name:file
Download: download sample
Signature ArrowRAT
Create hunting rule
File size:288'256 bytes
First seen:2022-08-22 15:10:36 UTC
Last seen:2022-08-22 17:55:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:dpe4U1Moa3KqxO8fjzF37I3w7kEMnkxrkGf7Nn0gDYZXgZtc181VZtYABwDTw8qg:dpe4U8xO8V7eTiDMkZ9SN2fL62
TLSH T15C542A2430411736E6F4A7FE1567947C27EEA60EA4DADB840E42C8DC3920F9617D2FA7
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter andretavare5
Tags:ArrowRAT exe


Avatar
andretavare5
Sample downloaded from https://cdn.discordapp.com/attachments/1005487487826788395/1011288619950022668/religiousL.bmp

Intelligence

File Origin
# of uploads :
3
# of downloads :
333
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
firebird
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-08-22 15:21:35 UTC
Tags:
trojan firebird rat stealer
Link:
https://app.any.run/tasks/19ca9e0d-bbdd-442e-a9d7-e0316be60ad6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DLAgent10 Downloader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/300294/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.32631.21243.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Сreating synchronization primitives
Creating a file in the system32 subdirectories
Creating a file
Sending an HTTP GET request
Sending a custom TCP request
Launching a process
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Creating a process with a hidden window
Creating a file in the %temp% directory
Enabling the 'hidden' option for files in the %temp% directory
Reading critical registry keys
Forced system process termination
Creating a file in the %AppData% directory
Using the Windows Management Instrumentation requests
Query of malicious DNS domain
Sending a TCP request to an infection source
Setting a global event handler for the keyboard
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cmd.exe packed warp
Link:
https://www.filescan.io/uploads/63039d49b6f2a6ec1d5e5f75/reports/0de2211b-e223-44e3-8d85-79e98681bf4c/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8a3e3685-d879-4004-96e5-54895d86f7c2
Result
Threat name:
ArrowRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1055644
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected ArrowRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 688168 Sample: file Startdate: 22/08/2022 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Multi AV Scanner detection for domain / URL 2->37 39 Antivirus detection for URL or domain 2->39 41 9 other signatures 2->41 8 file.exe 15 3 2->8         started        13 explorer.exe 5 4 2->13         started        process3 dnsIp4 31 filebin.net 185.47.40.36, 443, 49751 REDPILL-LINPRORedpillLinproNO Norway 8->31 33 situla.bitbit.net 87.238.33.8, 443, 49752 REDPILL-LINPRORedpillLinproNO Norway 8->33 27 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 8->27 dropped 45 Writes to foreign memory regions 8->45 47 Injects a PE file into a foreign processes 8->47 15 RegAsm.exe 2 8->15         started        file5 signatures6 process7 process8 17 cvtres.exe 5 15->17         started        21 explorer.exe 15->21         started        23 cvtres.exe 15->23         started        dnsIp9 29 20.100.171.81, 1337, 49755 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 17->29 43 Tries to harvest and steal browser information (history, passwords, etc) 17->43 25 conhost.exe 17->25         started        signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ecff5e9fc6e4fc922ae7c0a4d111350b4625edb6755209101aa7152732b28f0b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-22 15:11:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5t7v5h6g4t6jekxhycsncejvbndcl3nwovjasea2u4ksomvsr4fq._file
Verdict:
malicious
Result
Malware family:
arrowrat
Create hunting rule
Score:
  10/10
Tags:
family:arrowrat botnet:client persistence rat
Link:
https://tria.ge/reports/220822-skleeaheck/
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
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
Suspicious use of SetThreadContext
Enumerates connected drives
Downloads MZ/PE file
Modifies Installed Components in the registry
ArrowRat
Malware Config
C2 Extraction:
20.100.171.81:1337
Unpacked files
SH256 hash:
eeab0329745ef4df8fea3c59da18ae23a42bb939931999292f009d7a0a058da9
MD5 hash:
6cbce558c44fe22b431658797667c8ef
SHA1 hash:
f37a948468465aec79234a6d382907518347a5d7
Link:
https://www.unpac.me/results/afb22b11-3213-4f47-b06f-7632643fe877/
SH256 hash:
ecff5e9fc6e4fc922ae7c0a4d111350b4625edb6755209101aa7152732b28f0b
MD5 hash:
e005c377c3afa1c769c875439bbf1aec
SHA1 hash:
e3b472abcae46c5da33e04d94ede7f6ffb082863
Link:
https://www.unpac.me/results/afb22b11-3213-4f47-b06f-7632643fe877/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ecff5e9fc6e4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/ecff5e9fc6e4fc922ae7c0a4d111350b4625edb6755209101aa7152732b28f0b

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/300294/

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