MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 101b3cc3a483b862054173d2c367eb0bcfb072e28687a7aa52914a43fb28aed4. 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


QuasarRAT


Vendor detections: 6


Intelligence 6 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 101b3cc3a483b862054173d2c367eb0bcfb072e28687a7aa52914a43fb28aed4
SHA3-384 hash: 31a99392e19c63326a3285fa43e7b87a0f374fd72910d8e69bd33008d4db589d321365f28356023d04e73be31377028d
SHA1 hash: 467f16f880e121599e44ab7286b146b10d94bff1
MD5 hash: b87f4c8fdc90163fa31d01937ef851d0
humanhash: arkansas-october-twenty-india
File name:swift.img_20220930_011_001.tar.tar
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:763'392 bytes
First seen:2022-10-02 11:42:34 UTC
Last seen:Never
File type: tar
MIME type:application/x-tar
ssdeep 12288:Ku2iNq4nBuC43I3mQxtri2ti2NYl8so/PaSsiMWQunh3:x1lQ342QfrzYlsbFEa
TLSH T108F4D0361BEB8E07C1256679C1D0C6B6A7AACD01E163C2D76BCA1D1FF0877B687A0351
TrID 62.9% (.TAR/GTAR) TAR - Tape ARchive (GNU) (17/3)
37.0% (.TAR) TAR - Tape ARchive (file) (10/3)
Reporter cocaman
Tags:QuasarRAT SWIFT tar


Avatar
cocaman
Malicious email (T1566.001)
From: "Garanti BBVA <garanti@garantibbva.com.tr>" (likely spoofed)
Received: "from solemarble.com (unknown [81.161.229.218]) "
Date: "30 Sep 2022 00:58:22 -0700"
Subject: "=?UTF-8?B?IFl1cnRkxLHFn8SxbmRhbiBHZWxlbiBQYXJhIFRyYW5zZmVyaSAtIFNXSUZU?="
Attachment: "swift.img_20220930_011_001.tar.tar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
231
Origin country :
n/a
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:swift.img_20220930_011_001.exe
File size:761'856 bytes
SHA256 hash: 25c4ee0823873ad0e9fed128dcfb45ebb821fe7a17c396026b8d8be1c2400557
MD5 hash: c97c519b7b00a60d9dd9f8ced68c5c2b
MIME type:application/x-dosexec
Signature QuasarRAT
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.389.UNOFFICIAL
Create hunting rule

Gathering data
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/101b3cc3a483b862054173d2c367eb0bcfb072e28687a7aa52914a43fb28aed4/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-09-30 04:53:36 UTC
File Type:
Binary (Archive)
Extracted files:
17
AV detection:
10 of 41 (24.39%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cantzq5eqo4gebkbopjmgz7lbph3a4xcq2d2pksssffeh6ziv3ka._file
Result
Malware family:
stormkitty
Create hunting rule
Score:
  10/10
Tags:
family:blustealer family:stormkitty collection stealer
Link:
https://tria.ge/reports/221002-nvkhmsdeg2/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
BluStealer
StormKitty
StormKitty payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot5732817033:AAFBYIIZmJ7NuvVwD7WRcbV9qwcOqT7RpwM/sendMessage?chat_id=1638137774
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/101b3cc3a483b862054173d2c367eb0bcfb072e28687a7aa52914a43fb28aed4

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: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_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MALWARE_Win_A310Logger
Create hunting rule
Author:ditekSHen
Description:Detects A310Logger
Rule name:MALWARE_Win_StormKitty
Create hunting rule
Author:ditekSHen
Description:Detects StormKitty infostealer
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:Quasar_RAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_1_RID2B54
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:win_agent_tesla_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

File information

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

Malspam

QuasarRAT

tar 101b3cc3a483b862054173d2c367eb0bcfb072e28687a7aa52914a43fb28aed4

(this sample)

QuasarRAT

Executable exe 25c4ee0823873ad0e9fed128dcfb45ebb821fe7a17c396026b8d8be1c2400557

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 25c4ee0823873ad0e9fed128dcfb45ebb821fe7a17c396026b8d8be1c2400557
  
Dropping
QuasarRAT
  
Dropping
MD5 c97c519b7b00a60d9dd9f8ced68c5c2b

Comments