MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90093c647c4ef8f612e3e470c93debfb667aaf39073cd503cd670c6355dc474a. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
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SHA256 hash: 90093c647c4ef8f612e3e470c93debfb667aaf39073cd503cd670c6355dc474a
SHA3-384 hash: 609779243d16013f9538c27b1a03b963958e966fd7c9e233ba84f87a73ba6e74c50e6366ad67fb3728d982052a5ad8a3
SHA1 hash: ca32927f6e8d86e326fda075f096b16fae482c88
MD5 hash: 1a6204ba18ed28ba84ae8a3299602bc8
humanhash: yellow-maine-island-failed
File name:file.exe
Download: download sample
Signature ArrowRAT
Create hunting rule
File size:161'792 bytes
First seen:2023-06-20 00:58:28 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:gbzZDH+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPjSO8Y:gbzZDe0ODhTEPgnjuIJzo+PPcfPjN8
Threatray 19 similar samples on MalwareBazaar
TLSH T144F36D243EEA5029F173AF765FE47596CA2FB7733B07A85D2050038A4B23A81DDD153A
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) (4505/5/1)
Reporter Chainskilabs
Tags:ArrowRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
306
Origin country :
US US
Vendor Threat Intelligence
Malware family:
firebird
Create hunting rule
ID:
1
File name:
Client.exe
Verdict:
Malicious activity
Analysis date:
2023-06-19 18:09:38 UTC
Tags:
firebird trojan rat stealer
Link:
https://app.any.run/tasks/cff7732f-8194-40fb-9cd6-c5b987c9f50c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/400705/
Detection(s):
Win.Packed.Injectorx-9916498-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
Creating a file
Searching for the window
Сreating synchronization primitives
Forced system process termination
Creating a window
Creating a file in the %temp% directory
Enabling the 'hidden' option for files in the %temp% directory
Reading critical registry keys
Creating a file in the %AppData% directory
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Changing a file
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe lolbin packed
Link:
https://www.filescan.io/uploads/6490f9d63067ea15b6566b32/reports/3541c0f2-f959-4252-a6bd-3b0f4aa204d8/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/90093c647c4ef8f612e3e470c93debfb667aaf39073cd503cd670c6355dc474a
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:
ToxicEye
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/810e317f-5645-4d3c-a082-0e8174152c05
Result
Threat name:
ArrowRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1257840
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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 domain / URL
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected ArrowRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 890860 Sample: file.exe Startdate: 20/06/2023 Architecture: WINDOWS Score: 100 25 Multi AV Scanner detection for domain / URL 2->25 27 Found malware configuration 2->27 29 Antivirus detection for URL or domain 2->29 31 8 other signatures 2->31 7 file.exe 1 2->7         started        11 explorer.exe 5 4 2->11         started        process3 file4 21 C:\Users\user\AppData\Local\...\file.exe.log, CSV 7->21 dropped 33 Writes to foreign memory regions 7->33 35 Allocates memory in foreign processes 7->35 37 Injects a PE file into a foreign processes 7->37 13 cvtres.exe 5 7->13         started        17 explorer.exe 7->17         started        signatures5 process6 dnsIp7 23 3.142.167.4, 14894, 49698, 49699 AMAZON-02US United States 13->23 39 Tries to harvest and steal browser information (history, passwords, etc) 13->39 19 conhost.exe 13->19         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/90093c647c4ef8f612e3e470c93debfb667aaf39073cd503cd670c6355dc474a/
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2023-06-20 00:59:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=saetyzd4j34pmexd4rymsppl7nthvlzza46nka6nm4gggvo4i5fa._file
Verdict:
malicious
Similar samples:
150c06bc4cba9064302fb96f2b3565f433b43847b6d59448ce15b9024e6c9b0a
ArrowRAT
3dbd1065734c9b3e603bc2a81dbadb77beeb54c6a918a6a4ae0687659ac3c0fb
ArrowRAT
4c4d844ace41156600bf0c2ab9df287538002abf30d0ba3f50836b2e49f5e0a5
ArrowRAT
54a0a1cf6b5fb30614ff4a2a7757cadf23fa539b4a352137dfc3292c6ceffa24
ArrowRAT
8a3d555c8d1019b6d42721a2eea770d2101458fd70b208f6767db2eeb1cd44bc
ArrowRAT
a1923ce6f95ba7e57b9d8ea27c1867283cacbc992a0f9e16ec9dd864930d9d71
ArrowRAT
b20df532e15674feb9da8728664caa14c6447f4473f2d64f6052de6af0737b3f
ArrowRAT
e37964ebdb10d9e06d3aa47b5ca1500571e13f582d50add487110c7abb26a76c
ArrowRAT
ecff5e9fc6e4fc922ae7c0a4d111350b4625edb6755209101aa7152732b28f0b
ArrowRAT
fb48bb91678c696679b72b046aa24ecddb98c4ccf65d068393cdb722cdba8caa
ArrowRAT
+ 9 additional samples on MalwareBazaar
Result
Malware family:
arrowrat
Create hunting rule
Score:
  10/10
Tags:
family:arrowrat botnet:client persistence rat
Link:
https://tria.ge/reports/230620-bb3hwshb76/
Behaviour
Checks SCSI registry key(s)
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
Suspicious use of SetThreadContext
Enumerates connected drives
Modifies Installed Components in the registry
ArrowRat
Malware Config
C2 Extraction:
3.142.167.4:14894
Unpacked files
SH256 hash:
65af41452cb1eb8e98cbd4238ccff79bd619d2453ce2e2eaa31620b0b83077be
MD5 hash:
5bb9bba5beeacaef4c481c6813932490
SHA1 hash:
402574cf96c8d17701944f03e36d9d80ab367907
Link:
https://www.unpac.me/results/7e05b2e2-ad30-4ef7-aef9-17543c4c6f43/
Parent samples :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 hash:
90093c647c4ef8f612e3e470c93debfb667aaf39073cd503cd670c6355dc474a
MD5 hash:
1a6204ba18ed28ba84ae8a3299602bc8
SHA1 hash:
ca32927f6e8d86e326fda075f096b16fae482c88
Link:
https://www.unpac.me/results/7e05b2e2-ad30-4ef7-aef9-17543c4c6f43/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/90093c647c4e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/90093c647c4ef8f612e3e470c93debfb667aaf39073cd503cd670c6355dc474a

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
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables containing URLs to raw contents of a Github gist
Rule name:MALWARE_Win_DLAgent10
Create hunting rule
Author:ditekSHen
Description:Detects known downloader agent
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.

Cape
Cape
https://www.capesandbox.com/analysis/400705/

Comments