MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1bfade8e5d5c7282a587db55c9bf28b64909259fa192305c63a0b7a9dba94bb. 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


AsyncRAT


Vendor detections: 16


Intelligence 16 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f1bfade8e5d5c7282a587db55c9bf28b64909259fa192305c63a0b7a9dba94bb
SHA3-384 hash: 0a5c7e29477897f1b167a0ce10bdb778a14d17af8b14e2a451166fe4873ce2d512dab1bebd89da724c8d0830a459a5d4
SHA1 hash: 01295c213d028538ec0daa66442c66d292f02c63
MD5 hash: a940b89efe3a574befe1681cf5b10bb8
humanhash: steak-alpha-wyoming-maryland
File name:a940b89efe3a574befe1681cf5b10bb8.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:1'501'184 bytes
First seen:2023-01-12 22:55:21 UTC
Last seen:2023-01-13 01:06:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:ob2a4EYGL5v9WwuMUPn2RpJUJQxes2uJh4UIwpB47RXcqO99KCoLm2sARu5:mv9W5pvUpJFexKY7RXWKNm2sAR
TLSH T1F065BF816FF4D226E2BE23B4C6F115051AFAE5C67BF6EB8F490064E82D533805A41B37
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
206.123.132.41:2119

Intelligence

File Origin
# of uploads :
2
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
a940b89efe3a574befe1681cf5b10bb8.exe
Verdict:
Malicious activity
Analysis date:
2023-01-12 22:57:08 UTC
Tags:
evasion trojan quasar
Link:
https://app.any.run/tasks/85b82731-c6dd-4de2-a93b-d924e351af35

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/352446/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILMamut.7413.12028.18888.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a window
DNS request
Sending a custom TCP request
Query of malicious DNS domain
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed quasar
Link:
https://www.filescan.io/uploads/63c09003a8d8c7dd03208cfd/reports/2fa8bc21-08f1-4ed2-9be2-8d39154553a3/overview
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:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/342e8c71-5ff0-4e0a-be1b-7cff8d7e61cb
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1150778
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Snort IDS alert for network traffic
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f1bfade8e5d5c7282a587db55c9bf28b64909259fa192305c63a0b7a9dba94bb/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2023-01-09 18:46:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 39 (69.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6g7232hf2xdsqksypw2vzg7srnsjbesz7imsgboghifxvhn2ss5q._file
Verdict:
malicious
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:dabegylxy29 spyware trojan
Link:
https://tria.ge/reports/230112-2wnhksfb7z/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
qassar22.ddns.net:2032
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cb3bb072-1b51-456b-9d5f-9f8ea0567a1b
Unpacked files
SH256 hash:
4e23d9dae193abc1df0187e44edb74d07aed3dc635c60ff0bfd01628922c0f01
MD5 hash:
ed9002f9f50a50e1a287c944364a4424
SHA1 hash:
9c94a57d003d0526d24da949212be4f13fe61dd8
Link:
https://www.unpac.me/results/58b3c73e-51ed-48a9-86de-4b4712209879/
SH256 hash:
c2e17c2843234c6ba7cb5c8e94fd8bc9ff2c2ff17ce4a965690c74b1f81b2940
MD5 hash:
5f5531cdb58e91fd43fb1eabf6477e23
SHA1 hash:
90afd44a441bc17e45562b1de127fd2eda9b0532
Link:
https://www.unpac.me/results/58b3c73e-51ed-48a9-86de-4b4712209879/
SH256 hash:
f1bfade8e5d5c7282a587db55c9bf28b64909259fa192305c63a0b7a9dba94bb
MD5 hash:
a940b89efe3a574befe1681cf5b10bb8
SHA1 hash:
01295c213d028538ec0daa66442c66d292f02c63
Link:
https://www.unpac.me/results/58b3c73e-51ed-48a9-86de-4b4712209879/
Malware family:
xRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f1bfade8e5d5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f1bfade8e5d5c7282a587db55c9bf28b64909259fa192305c63a0b7a9dba94bb

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:CN_disclosed_20180208_KeyLogger_1
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:CN_disclosed_20180208_KeyLogger_1_RID3227
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:malware_Quasar_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:MALWARE_Win_QuasarRAT
Create hunting rule
Author:ditekSHen
Description:QuasarRAT payload
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
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:Quasar_RAT_2
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_2_RID2B55
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:Vermin_Keylogger_Jan18_1
Create hunting rule
Author:Florian Roth
Description:Detects Vermin Keylogger
Reference:https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/
Rule name:Windows_Trojan_Quasarrat_e52df647
Create hunting rule
Author:Elastic Security
Rule name:xRAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W
Rule name:xRAT_1_RID2900
Create hunting rule
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W

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/352446/

Comments