MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2acbe411d9169a8ea08c2f54cec03901956e3a1a5c80a0153ebe09792961b549. 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: 13


Intelligence 13 IOCs 1 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2acbe411d9169a8ea08c2f54cec03901956e3a1a5c80a0153ebe09792961b549
SHA3-384 hash: d6f51ec5767a863a9b5a622ee7c2c39d63af918c8d82cd0927f5e984dc6fddfb0286aff7678d42b28198458322d2bdd1
SHA1 hash: 2bcbd1a13e3edee566bdbb658a8c9b08262b44ca
MD5 hash: e2c8b79fb731303c713dd31c76b876b8
humanhash: south-idaho-potato-fillet
File name:2ACBE411D9169A8EA08C2F54CEC03901956E3A1A5C80A.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:514'048 bytes
First seen:2022-01-12 00:27:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:xTEgdc0YWX7IxUpGREW6dE7KxTD4Klh/OyTNUQBcEJtb8F9g988JrMDrs8AtWcTM:xTEgdfY3xU9dGeD5dN9ZSCtrMDGMcd+
TLSH T11CB46C4063F8862BE1AF577AE871042597F4F407B2ABEF4F4A40A1F92D66706AD40773
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
14.32.99.105:808

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
14.32.99.105:808 https://threatfox.abuse.ch/ioc/294081/

Intelligence

File Origin
# of uploads :
1
# of downloads :
267
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2ACBE411D9169A8EA08C2F54CEC03901956E3A1A5C80A.exe
Verdict:
Suspicious activity
Analysis date:
2022-01-12 00:38:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/802475d9-4d9d-44ea-8822-541c7b4609bb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarStealer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/218419/
Detection(s):
Win.Packed.Passwordstealera-9792228-0
Create hunting rule

Win.Malware.Generic-9883082-0
Create hunting rule

Win.Malware.Generic-9883083-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL
Create hunting rule

Win.Packed.Downeks-6898097-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the system32 subdirectories
Launching a process
DNS request
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd.exe control.exe explorer.exe greyware keylogger obfuscated packed quasar quasarrat rat remote.exe replace.exe schtasks.exe shell32.dll stealer update.exe
Link:
https://www.filescan.io/uploads/61de2095f2e8ec86fef1771a/reports/29187f43-5785-41ed-b7aa-4b8a6bf520c9/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/8a65b1d5-a9a6-4431-a45f-3af234ca5dc4
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/918806
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Schedule system process
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 551284 Sample: 2ACBE411D9169A8EA08C2F54CEC... Startdate: 12/01/2022 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 7 other signatures 2->42 8 2ACBE411D9169A8EA08C2F54CEC03901956E3A1A5C80A.exe 5 2->8         started        12 2ACBE411D9169A8EA08C2F54CEC03901956E3A1A5C80A.exe 2 2->12         started        process3 file4 26 C:\Windows\System32\SubDir\svchost.exe, PE32 8->26 dropped 28 2ACBE411D9169A8EA0...6E3A1A5C80A.exe.log, ASCII 8->28 dropped 44 Detected unpacking (overwrites its own PE header) 8->44 46 Drops executables to the windows directory (C:\Windows) and starts them 8->46 48 Uses schtasks.exe or at.exe to add and modify task schedules 8->48 50 Drops PE files with benign system names 8->50 14 svchost.exe 2 8->14         started        18 schtasks.exe 1 8->18         started        52 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->52 signatures5 process6 dnsIp7 30 me.hansang.me 14.32.99.105, 49751, 808 KIXS-AS-KRKoreaTelecomKR Korea Republic of 14->30 32 api.ipify.org.herokudns.com 3.220.57.224, 443, 49754 AMAZON-AESUS United States 14->32 34 2 other IPs or domains 14->34 54 Antivirus detection for dropped file 14->54 56 System process connects to network (likely due to code injection or exploit) 14->56 58 Multi AV Scanner detection for dropped file 14->58 60 6 other signatures 14->60 20 schtasks.exe 1 14->20         started        22 conhost.exe 18->22         started        signatures8 process9 process10 24 conhost.exe 20->24         started       
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2acbe411d9169a8ea08c2f54cec03901956e3a1a5c80a0153ebe09792961b549/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2022-01-11 01:43:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
35 of 43 (81.40%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=flf6ieozc2ni5iemf5km5qbzagkw4oq2lsakafj6xyexsklbwveq._file
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:156221 spyware suricata trojan
Link:
https://tria.ge/reports/220112-aschcsaeap/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Looks up external IP address via web service
Executes dropped EXE
Quasar Payload
Quasar RAT
suricata: ET MALWARE Observed Malicious SSL Cert (Quasar CnC)
Malware Config
C2 Extraction:
me.hansang.me:808
Unpacked files
SH256 hash:
2acbe411d9169a8ea08c2f54cec03901956e3a1a5c80a0153ebe09792961b549
MD5 hash:
e2c8b79fb731303c713dd31c76b876b8
SHA1 hash:
2bcbd1a13e3edee566bdbb658a8c9b08262b44ca
Link:
https://www.unpac.me/results/aaa2a8a2-3fdb-4466-adda-f9f79f178ad9/
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/2acbe411d9169a8ea08c2f54cec03901956e3a1a5c80a0153ebe09792961b549

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_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_Win_QuasarStealer
Create hunting rule
Author:ditekshen
Description:Detects Quasar infostealer
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: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/218419/

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