MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ebd82e36633bdc1b833b1e1487d04c123e26811f9dfa617b2650545d39b679db. 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: 10


Intelligence 10 IOCs YARA 8 File information Comments

SHA256 hash: ebd82e36633bdc1b833b1e1487d04c123e26811f9dfa617b2650545d39b679db
SHA3-384 hash: b56026bdd7ca14b4044159844584132a9d02ba0b671e3e41d0823f0ceb9dc0f0ea9e873dc8b2b6892e349c3f16babe87
SHA1 hash: ffe3c5db384a8cd7a6fb10aed2d9ef3b59c47787
MD5 hash: 405a52380335922b42aa6618c88889ff
humanhash: purple-robin-xray-gee
File name:ebd82e36633bdc1b833b1e1487d04c123e26811f9dfa617b2650545d39b679db
Download: download sample
Signature QuasarRAT
File size:514'048 bytes
First seen:2021-02-28 07:19:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:4TEgdc0YgebGbXOsA6j1Rdh0fq/dTEDnK5DkQfocEBOb8F9rFNRKFSscTR32:4TEgdfYGA6Sb2DkxpZXRFscd2
Threatray 42 similar samples on MalwareBazaar
TLSH FAB46C4067F8862BE1AF577AE871042597F4F407B2ABEF4F4A40A1F92C667069D80773
Reporter JAMESWT_WT
Tags:QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ebd82e36633bdc1b833b1e1487d04c123e26811f9dfa617b2650545d39b679db
Verdict:
Malicious activity
Analysis date:
2021-02-28 08:37:46 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Setting a keyboard event handler
Sending a UDP request
Creating a window
Creating a file in the %AppData% subdirectories
Launching a process
Creating a process from a recently created file
Creating a file
Changing a file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 359472 Sample: yTM4tyRpfE Startdate: 28/02/2021 Architecture: WINDOWS Score: 100 29 Malicious sample detected (through community Yara rule) 2->29 31 Antivirus detection for dropped file 2->31 33 Antivirus / Scanner detection for submitted sample 2->33 35 6 other signatures 2->35 8 yTM4tyRpfE.exe 5 2->8         started        12 yTM4tyRpfE.exe 2 2->12         started        process3 file4 25 C:\Users\user\AppData\...\Soft Aim.exe, PE32 8->25 dropped 27 C:\Users\user\AppData\...\yTM4tyRpfE.exe.log, ASCII 8->27 dropped 37 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->37 14 Soft Aim.exe 8 8->14         started        17 schtasks.exe 1 8->17         started        signatures5 process6 signatures7 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->39 19 schtasks.exe 1 14->19         started        21 conhost.exe 17->21         started        process8 process9 23 conhost.exe 19->23         started       
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2021-02-25 20:57:42 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes dropped EXE
Unpacked files
SH256 hash:
ebd82e36633bdc1b833b1e1487d04c123e26811f9dfa617b2650545d39b679db
MD5 hash:
405a52380335922b42aa6618c88889ff
SHA1 hash:
ffe3c5db384a8cd7a6fb10aed2d9ef3b59c47787
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:MALWARE_Win_QuasarStealer
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MAL_QuasarRAT_May19_1
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:Select_from_enumeration
Author:James_inthe_box
Description:IP and port combo
Rule name:Vermin_Keylogger_Jan18_1
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.

Comments