MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63d3fd10aead5b7a5c816f29c607d6462c46f8c7bbf7dbeabc7315283bbc410d. 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 YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 63d3fd10aead5b7a5c816f29c607d6462c46f8c7bbf7dbeabc7315283bbc410d
SHA3-384 hash: 8056fcb9e66248d0e64f443f749692d2c3c4bead1082c7f2b204a1fff0b4723f9e7b6c675b624b51a5e534c7e45f6447
SHA1 hash: 2810d062ba1918505b93244604b54de2ab0f3a42
MD5 hash: 6d9688b9dfd3725c815f08a6acc70c1a
humanhash: magazine-skylark-cola-echo
File name:HEUR-Trojan-Spy.MSIL.Downeks.gen-63d3fd10aead5b7a5c816f29c607d6462c46f8c7bbf7dbeabc7315283bbc410d.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:923'648 bytes
First seen:2022-09-18 18:03:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:eOAXjTF3o1AQ4P8OQgcsmLnw/91zVAX0W7qjY3gMA7QrRsGAwFXuyE1fqPZr:etNoHDOcsww/Dq0P96Rsz0XuyE1fqxr
TLSH T150159D06BB71DE4AC7846A77A0A3822847E1D5627332F34F7F2C16A62D873794D443E9
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 petikvx
Tags:QuasarRAT Ransomware

Intelligence

File Origin
# of uploads :
1
# of downloads :
380
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
watchdog.exe
Verdict:
Malicious activity
Analysis date:
2021-12-31 03:44:03 UTC
Tags:
evasion trojan rat quasar ransomware
Link:
https://app.any.run/tasks/89302654-52bb-45a5-b7f5-e729115e2a2e

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/311113/
Detection(s):
Win.Packed.Generic-9830106-0
Create hunting rule

Win.Dropper.Hesv-9968122-0
Create hunting rule

Win.Trojan.Generic-6295765-0
Create hunting rule

Win.Malware.Generic-6623004-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
Sending a custom TCP request
Setting a keyboard event handler
Creating a window
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
keylogger packed quasar rat shell32.dll
Link:
https://www.filescan.io/uploads/63275e15b564f001cc96888e/reports/2b495d49-1b09-46e9-9a20-4a986f2d28f5/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:
Unknown
Link:
https://analyze.intezer.com/analyses/df01aeb8-8ce5-409b-b1eb-e9c5f55f70d8
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1072526
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Snort IDS alert for network traffic
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 705068 Sample: 3bbc410d.exe Startdate: 18/09/2022 Architecture: WINDOWS Score: 100 97 ip-api.com 2->97 127 Snort IDS alert for network traffic 2->127 129 Malicious sample detected (through community Yara rule) 2->129 131 Antivirus / Scanner detection for submitted sample 2->131 133 7 other signatures 2->133 15 3bbc410d.exe 15 5 2->15         started        20 3bbc410d.exe 2 2->20         started        signatures3 process4 dnsIp5 117 ip-api.com 208.95.112.1, 49706, 49707, 49710 TUT-ASUS United States 15->117 93 C:\Users\user\AppData\...\watchdog.exe, PE32 15->93 dropped 95 C:\Users\user\AppData\...\3bbc410d.exe.log, ASCII 15->95 dropped 119 May check the online IP address of the machine 15->119 121 Uses schtasks.exe or at.exe to add and modify task schedules 15->121 123 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->123 22 watchdog.exe 14 6 15->22         started        26 schtasks.exe 1 15->26         started        file6 signatures7 process8 dnsIp9 105 MiguriChan-38804.portmap.io 22->105 107 ip-api.com 22->107 141 Antivirus detection for dropped file 22->141 143 Multi AV Scanner detection for dropped file 22->143 145 May check the online IP address of the machine 22->145 147 3 other signatures 22->147 28 cmd.exe 1 22->28         started        31 schtasks.exe 1 22->31         started        33 WerFault.exe 23 9 22->33         started        35 conhost.exe 26->35         started        signatures10 process11 signatures12 153 Uses ping.exe to sleep 28->153 155 Uses ping.exe to check the status of other devices and networks 28->155 37 watchdog.exe 28->37         started        41 conhost.exe 28->41         started        43 PING.EXE 1 28->43         started        45 chcp.com 1 28->45         started        47 conhost.exe 31->47         started        process13 dnsIp14 99 MiguriChan-38804.portmap.io 37->99 101 192.168.2.1 unknown unknown 37->101 103 ip-api.com 37->103 137 Hides that the sample has been downloaded from the Internet (zone.identifier) 37->137 139 Installs a global keyboard hook 37->139 49 cmd.exe 37->49         started        52 schtasks.exe 37->52         started        54 WerFault.exe 37->54         started        signatures15 process16 signatures17 125 Uses ping.exe to sleep 49->125 56 watchdog.exe 49->56         started        60 conhost.exe 49->60         started        62 chcp.com 49->62         started        64 PING.EXE 49->64         started        66 conhost.exe 52->66         started        process18 dnsIp19 109 MiguriChan-38804.portmap.io 56->109 111 ip-api.com 56->111 149 Hides that the sample has been downloaded from the Internet (zone.identifier) 56->149 151 Installs a global keyboard hook 56->151 68 cmd.exe 56->68         started        71 schtasks.exe 56->71         started        73 WerFault.exe 56->73         started        signatures20 process21 signatures22 135 Uses ping.exe to sleep 68->135 75 watchdog.exe 68->75         started        79 conhost.exe 68->79         started        81 chcp.com 68->81         started        83 PING.EXE 68->83         started        85 conhost.exe 71->85         started        process23 dnsIp24 113 MiguriChan-38804.portmap.io 75->113 115 ip-api.com 75->115 157 Hides that the sample has been downloaded from the Internet (zone.identifier) 75->157 159 Installs a global keyboard hook 75->159 87 cmd.exe 75->87         started        89 schtasks.exe 75->89         started        signatures25 process26 process27 91 conhost.exe 89->91         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/63d3fd10aead5b7a5c816f29c607d6462c46f8c7bbf7dbeabc7315283bbc410d/
Threat name:
ByteCode-MSIL.Trojan.Perseus
Create hunting rule
Status:
Malicious
First seen:
2022-01-03 02:21:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mpj72efovvnxuxebn4u4mb6wiywen6ghxp35x2v4omksqo54iegq._file
Verdict:
malicious
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar spyware trojan
Link:
https://tria.ge/reports/220918-wnkttsbef6/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Program crash
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Quasar RAT
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9dab6361-4603-4c09-af3b-8a98de6a2c29
Unpacked files
SH256 hash:
63d3fd10aead5b7a5c816f29c607d6462c46f8c7bbf7dbeabc7315283bbc410d
MD5 hash:
6d9688b9dfd3725c815f08a6acc70c1a
SHA1 hash:
2810d062ba1918505b93244604b54de2ab0f3a42
Link:
https://www.unpac.me/results/a78fac1b-7e81-404b-b51f-152dcf4ccce3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/63d3fd10aead/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/63d3fd10aead5b7a5c816f29c607d6462c46f8c7bbf7dbeabc7315283bbc410d

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:MALWARE_Win_QuasarRAT
Create hunting rule
Author:ditekSHen
Description:QuasarRAT payload
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:RansomwareTest6
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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/311113/

Comments