MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da62dc7807475728bb6136b887b01f080eb277b575b6f95f70bb14e01d28c714. 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: 14


Intelligence 14 IOCs 1 YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: da62dc7807475728bb6136b887b01f080eb277b575b6f95f70bb14e01d28c714
SHA3-384 hash: 0804d30429383378b19546cce9822529d73ec94d38985e57a791d52cb5fe3fa5536ea300b0e1f951ddfae8d1b1a03229
SHA1 hash: 03d05f22c6783b04f94cb4fe6f61f7223272e51b
MD5 hash: beed4b4cfe59dd81763ce3796680e7d1
humanhash: cat-lactose-bulldog-tango
File name:beed4b4cfe59dd81763ce3796680e7d1.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:514'048 bytes
First seen:2022-08-18 00:01:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:NTEgdc0YyX7IxUpGREW6utkugBlh/hKYFwQHocEVkb8F9b7sTpF3upcTR3u:NTEgdfYLxU9uFMNFwlvFm+pcdu
TLSH T15EB46C4067F8862BE1AF577AE871042597F4F407B2ABEF4F4A40A1F82D66706AD40773
TrID 53.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
12.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.6% (.SCR) Windows screen saver (13101/52/3)
7.7% (.EXE) Win64 Executable (generic) (10523/12/4)
4.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
34.125.93.181:8080

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
34.125.93.181:8080 https://threatfox.abuse.ch/ioc/843907/

Intelligence

File Origin
# of uploads :
1
# of downloads :
330
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
beed4b4cfe59dd81763ce3796680e7d1.exe
Verdict:
Malicious activity
Analysis date:
2022-08-18 00:03:47 UTC
Tags:
trojan rat quasar asyncrat
Link:
https://app.any.run/tasks/81cdf6f2-6d56-4d9c-b8c3-8a37c5d487b8

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/299425/
Detection(s):
Win.Malware.Bulz-9823462-0
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 %AppData% subdirectories
Launching a process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm greyware keylogger packed quasar quasarrat rat shell32.dll stealer vermin
Link:
https://www.filescan.io/uploads/62fd81d4dae95ca4d487ef38/reports/e534c02d-036a-4d1e-9e1b-caca61be82bf/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6ad3dbbe-1d86-45e8-b38a-364929cf6af8
Result
Threat name:
AsyncRAT, Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1053436
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/da62dc7807475728bb6136b887b01f080eb277b575b6f95f70bb14e01d28c714/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2022-08-15 02:49:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3jrny6ahi5lsro3bg24ipma7bahle55vow3psx3qxmkoahjiy4ka._file
Verdict:
malicious
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office04 spyware trojan
Link:
https://tria.ge/reports/220818-abftfseegj/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Looks up external IP address via web service
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
kenzo.ddns.net:8080
Unpacked files
SH256 hash:
da62dc7807475728bb6136b887b01f080eb277b575b6f95f70bb14e01d28c714
MD5 hash:
beed4b4cfe59dd81763ce3796680e7d1
SHA1 hash:
03d05f22c6783b04f94cb4fe6f61f7223272e51b
Link:
https://www.unpac.me/results/5af66e86-a6a6-4493-810a-ac54783cbd69/
Malware family:
xRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/da62dc780747/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/da62dc7807475728bb6136b887b01f080eb277b575b6f95f70bb14e01d28c714

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
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/

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/299425/

Comments