MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73cccea9d49d5ce21d970cae4a15f1b91cf60958b14bf073fe74a001320b9792. 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: 16


Intelligence 16 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73cccea9d49d5ce21d970cae4a15f1b91cf60958b14bf073fe74a001320b9792
SHA3-384 hash: 66b2d5ab53e1ba8de156bb528bd049f9204e3aca02f00ae1d1cd445320f69944c5d7086d59cf7943936007481e89c854
SHA1 hash: 0b9fae7588b07589c419b3b33383f60a653a0177
MD5 hash: 2509e17e01e8d4e592e91f72527e8d8a
humanhash: dakota-enemy-seven-blossom
File name:2509E17E01E8D4E592E91F72527E8D8A.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'276'800 bytes
First seen:2023-12-30 18:25:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'833 x AgentTesla, 19'770 x Formbook, 12'296 x SnakeKeylogger)
ssdeep 49152:Ovwt62XlaSFNWPjljiFa2RoUYIYUYkoBLJLoGAHTHHB72eh2NT:Ov862XlaSFNWPjljiFXRoUYIYrkM
TLSH T110E55B0437F85E33E56BD277D5B05422A7F0FC2AB363EB1B219167BA1C53B4488426A7
TrID 37.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
29.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
8.4% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
6.7% (.SCR) Windows screen saver (13097/50/3)
5.3% (.EXE) Win64 Executable (generic) (10523/12/4)
File icon (PE):PE icon
dhash icon 014e56d256363656 (1 x QuasarRAT)
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
91.161.14.130:5555

Intelligence

File Origin
# of uploads :
1
# of downloads :
335
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Msilheracles-9900242-0
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
Sending a custom TCP request
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm certreq control crypto expand explorer hook infostealer keylogger lolbin packed quasar quasarrat rat remote replace schtasks stealer stealer
Link:
https://www.filescan.io/uploads/659060bbf4b6e5e16360ac38/reports/5ef03f90-1c04-4450-908b-25f130a95a8e/overview
Verdict:
Malicious
Labled as:
MSIL.PasswordStealerA.Generic
Link:
https://www.hybrid-analysis.com/sample/73cccea9d49d5ce21d970cae4a15f1b91cf60958b14bf073fe74a001320b9792
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/088b77df-3584-4cdf-8fea-f113e25ba22e
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1368288
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Drops executables to the windows directory (C:\Windows) and starts them
Found 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
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1368288 Sample: MDUKy4d4VS.exe Startdate: 30/12/2023 Architecture: WINDOWS Score: 100 29 ipwho.is 2->29 31 alabama.myddns.me 2->31 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 6 other signatures 2->51 9 MDUKy4d4VS.exe 5 2->9         started        13 windir.exe 3 2->13         started        signatures3 process4 file5 27 C:\Windows\System32\WinDir\windir.exe, PE32 9->27 dropped 53 Drops executables to the windows directory (C:\Windows) and starts them 9->53 55 Uses schtasks.exe or at.exe to add and modify task schedules 9->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->57 15 windir.exe 14 2 9->15         started        19 schtasks.exe 1 9->19         started        signatures6 process7 dnsIp8 33 alabama.myddns.me 91.161.14.130, 49699, 5555 PROXADFR France 15->33 35 ipwho.is 108.181.98.179, 443, 49701 ASN852CA Canada 15->35 37 Antivirus detection for dropped file 15->37 39 Multi AV Scanner detection for dropped file 15->39 41 Machine Learning detection for dropped file 15->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->43 21 schtasks.exe 1 15->21         started        23 conhost.exe 19->23         started        signatures9 process10 process11 25 conhost.exe 21->25         started       
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/73cccea9d49d5ce21d970cae4a15f1b91cf60958b14bf073fe74a001320b9792
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/73cccea9d49d5ce21d970cae4a15f1b91cf60958b14bf073fe74a001320b9792/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2023-12-27 21:14:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=opgm5koutvooehmxbsxeufprxeopmckywff7a476osqacmqls6ja._file
Verdict:
malicious
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:officejj spyware trojan
Link:
https://tria.ge/reports/231230-w26nfsbahk/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Drops file in System32 directory
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
alabama.myddns.me:5555
Unpacked files
SH256 hash:
73cccea9d49d5ce21d970cae4a15f1b91cf60958b14bf073fe74a001320b9792
MD5 hash:
2509e17e01e8d4e592e91f72527e8d8a
SHA1 hash:
0b9fae7588b07589c419b3b33383f60a653a0177
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/72695dbe-71e4-4f43-b344-da6efd49293f/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/73cccea9d49d/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/73cccea9d49d5ce21d970cae4a15f1b91cf60958b14bf073fe74a001320b9792

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments