MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78dba4330a89c61f3d91ed3601818ec3f4f2830b4a608526bf746103f0f1dcb3. 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: 12


Intelligence 12 IOCs YARA 20 File information Comments 1

SHA256 hash: 78dba4330a89c61f3d91ed3601818ec3f4f2830b4a608526bf746103f0f1dcb3
SHA3-384 hash: 834945ab317e732eb44018c55d6e22a826e5e5a9a76ff4701c4a8a168461840b50e4c2bb35c81b2ca7cf8a9559da1395
SHA1 hash: d4155e8901742b509828bac96b8126365e3a9b97
MD5 hash: 9d6bb03b177aba8b924d845fb31f0e33
humanhash: jupiter-robert-april-sink
File name:9d6bb03b177aba8b924d845fb31f0e33
Download: download sample
Signature QuasarRAT
File size:899'584 bytes
First seen:2023-01-28 17:58:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'659 x Formbook, 12'250 x SnakeKeylogger)
ssdeep 24576:AUgU8lWld2ZgcAw8K4gCFeecdvnl7m/MyxY0PugAQv:AUgU8g72ZZsVzoecdvnlwvugD
Threatray 464 similar samples on MalwareBazaar
TLSH T16D1512A9725472CEC897D077C9A45CA4EB50347B931B9203B02B11BEAE4EA97CF501F7
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)
File icon (PE):PE icon
dhash icon f0cc96929abac8f0 (1 x QuasarRAT)
Reporter zbetcheckin
Tags:32 exe QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
265
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
9d6bb03b177aba8b924d845fb31f0e33
Verdict:
Malicious activity
Analysis date:
2023-01-28 17:58:50 UTC
Tags:
trojan evasion quasar

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

Behaviour
Searching for the window
Creating a file
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 window
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Query of malicious DNS domain
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
confuserex packed
Result
Verdict:
UNKNOWN
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
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 793579 Sample: FJsd1qxDgJ.exe Startdate: 28/01/2023 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 6 other signatures 2->58 10 FJsd1qxDgJ.exe 1 2->10         started        14 FJsd1qxDgJ.exe 2->14         started        process3 file4 42 C:\Users\user\AppData\...\FJsd1qxDgJ.exe.log, ASCII 10->42 dropped 70 May check the online IP address of the machine 10->70 72 Uses schtasks.exe or at.exe to add and modify task schedules 10->72 74 Injects a PE file into a foreign processes 10->74 16 FJsd1qxDgJ.exe 15 4 10->16         started        21 FJsd1qxDgJ.exe 14->21         started        signatures5 process6 dnsIp7 44 ip-api.com 208.95.112.1, 49697, 49700, 80 TUT-ASUS United States 16->44 40 C:\Users\user\AppData\Roaming\cji\hvi.exe, PE32 16->40 dropped 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->60 23 hvi.exe 1 16->23         started        26 schtasks.exe 1 16->26         started        28 WerFault.exe 21->28         started        file8 signatures9 process10 signatures11 62 Multi AV Scanner detection for dropped file 23->62 64 May check the online IP address of the machine 23->64 66 Machine Learning detection for dropped file 23->66 68 Injects a PE file into a foreign processes 23->68 30 hvi.exe 14 2 23->30         started        34 conhost.exe 26->34         started        process12 dnsIp13 46 dnuocc.com 195.133.40.200, 49701, 49702, 49703 SPD-NETTR Russian Federation 30->46 48 www.dnuocc.com 30->48 50 ip-api.com 30->50 76 Hides that the sample has been downloaded from the Internet (zone.identifier) 30->76 36 schtasks.exe 1 30->36         started        signatures14 process15 process16 38 conhost.exe 36->38         started       
Threat name:
Win32.Trojan.Casdet
Status:
Malicious
First seen:
2023-01-28 17:42:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
27c0efa8fa734b579fd645cd7ad10dcc0e43243f41c7efeb0fb44ec151798f97
MD5 hash:
e77327d85e89ecf1bf206902d9a5d5fe
SHA1 hash:
c12aa6b12320830e36e3168464a2a347de0a7074
SH256 hash:
fdb7865b933ca403988dfa5e9b5bc1a7b119d4ba015f984799f2ab9c9c05fe41
MD5 hash:
3ceb8483c59c15269da3fa43af0bc23b
SHA1 hash:
08061538e850699c04d405a2f038d3d532d17f69
SH256 hash:
78dba4330a89c61f3d91ed3601818ec3f4f2830b4a608526bf746103f0f1dcb3
MD5 hash:
9d6bb03b177aba8b924d845fb31f0e33
SHA1 hash:
d4155e8901742b509828bac96b8126365e3a9b97
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:CN_disclosed_20180208_KeyLogger_1
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
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_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:malware_Quasar_strings
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:MALWARE_Win_QuasarRAT
Author:ditekSHen
Description:QuasarRAT payload
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:MAL_QuasarRAT_May19_1_RID2E1E
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:pe_imphash
Rule name:Quasar_RAT_1
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
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
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
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
Author:Skystars LightDefender
Description:imphash
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/
Rule name:Windows_Trojan_Quasarrat_e52df647
Author:Elastic Security
Rule name:xRAT_1
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W
Rule name:xRAT_1_RID2900
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.

Web download

QuasarRAT

Executable exe 78dba4330a89c61f3d91ed3601818ec3f4f2830b4a608526bf746103f0f1dcb3

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-01-28 17:58:26 UTC

url : hxxps://www.js-hurling.com/fontcontent/fonts.exe