MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3cea309d8b6b448883aafcf5f31119d212b71f4757e9b57c8315f1e5573e6fab. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3cea309d8b6b448883aafcf5f31119d212b71f4757e9b57c8315f1e5573e6fab
SHA3-384 hash: da7b482fa8188d9a382f86519f68a8a0936069b546aba37729b87395a4e08a1cd5ffc3d2f8d2b29b1f229e1c2830eba5
SHA1 hash: 5664622a63b1d78c7947cdf191126f032cd4b0cf
MD5 hash: a68c52bcf23ee991ccc930e391435f48
humanhash: grey-arkansas-mike-dakota
File name:opera.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'382'272 bytes
First seen:2023-07-25 09:40:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 49152:wHp592AYawl1WPOl6NVtRkJ0xWyER16PbR37oGd+THHB72eh2NT:wHj92AYawl1WPOl6NVLkJ0xWyER16F
Threatray 200 similar samples on MalwareBazaar
TLSH T18FF56C143BF85E27E1BBE277E5B0041267F0FC1AB363EB0B6591677A1C53B5098026A7
TrID 58.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
13.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.4% (.EXE) Win64 Executable (generic) (10523/12/4)
5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon f8cc86969686cce0 (26 x AgentTesla, 1 x Loki, 1 x QuasarRAT)
Reporter Xev
Tags:exe Quasar QuasarRAT RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
323
Origin country :
GR GR
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
opera.exe
Verdict:
Malicious activity
Analysis date:
2023-07-25 09:41:54 UTC
Tags:
quasar
Link:
https://app.any.run/tasks/a5a38384-21e5-4a80-8a84-5ced7c538a7d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarStealer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/432062/
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 %AppData% subdirectories
Launching a process
Sending a custom TCP request
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Labled as:
MSIL.PasswordStealerA.Generic
Link:
https://www.hybrid-analysis.com/sample/3cea309d8b6b448883aafcf5f31119d212b71f4757e9b57c8315f1e5573e6fab
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/95b1821d-d824-4a10-ae8b-bda5bbca7620
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1278996
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 signatures2 2 Behavior Graph ID: 1278996 Sample: opera.exe Startdate: 25/07/2023 Architecture: WINDOWS Score: 100 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for URL or domain 2->63 65 9 other signatures 2->65 10 opera.exe 5 2->10         started        14 launcher.exe 3 2->14         started        process3 file4 45 C:\Users\user\AppData\...\launcher.exe, PE32 10->45 dropped 47 C:\Users\user\AppData\Local\...\opera.exe.log, CSV 10->47 dropped 71 Uses schtasks.exe or at.exe to add and modify task schedules 10->71 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->73 16 launcher.exe 4 10->16         started        20 schtasks.exe 1 10->20         started        signatures5 process6 dnsIp7 49 telebit.cloud 16->49 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->55 57 Installs a global keyboard hook 16->57 22 cmd.exe 1 16->22         started        25 schtasks.exe 1 16->25         started        27 conhost.exe 20->27         started        signatures8 process9 signatures10 67 Uses ping.exe to sleep 22->67 69 Uses ping.exe to check the status of other devices and networks 22->69 29 launcher.exe 2 22->29         started        33 conhost.exe 22->33         started        35 PING.EXE 1 22->35         started        37 chcp.com 1 22->37         started        39 conhost.exe 25->39         started        process11 dnsIp12 51 telebit.cloud 104.248.242.224, 29732, 49700, 49701 DIGITALOCEAN-ASNUS United States 29->51 53 192.168.2.1 unknown unknown 29->53 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 29->75 77 Installs a global keyboard hook 29->77 41 schtasks.exe 1 29->41         started        signatures13 process14 process15 43 conhost.exe 41->43         started       
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3cea309d8b6b448883aafcf5f31119d212b71f4757e9b57c8315f1e5573e6fab/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2023-07-25 09:41:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=htvdbhmlnncira5k7t27geiz2ijloh2hk7u3k7edcxy6kvz6n6vq._file
Verdict:
malicious
Similar samples:
2259304db67dd25fa5ce47bde5b1c8cffab23292c2cec7d3bc2a0c303aace85b
QuasarRAT
36332d397a9c6303da243d4e155d5277dd148e5226389bd07543bc73b126c89b
QuasarRAT
9bc86d7600883fea7d2bd5d30eaef3f7ff8336ac4736ca16efa3f542a81e7e77
QuasarRAT
9c17ba1f31d3c5a41d0437818a7d6512775ba991a1d8a03e49f29fc982191190
QuasarRAT
9d16ec73785c06ee7eccd44c6d8694ffaec537be881ac4226bc2095db312aea3
QuasarRAT
a8a85e6faaed6a3dc5687d05b92a9f181e0d986eae1b4e1d731c221990920037
QuasarRAT
ec5f46d31e3640082deea41ecd1ec3977376737db0a044e9ffb9f3fece8dcb82
QuasarRAT
ed4cbfe246783bd7a7d124ac8f67e208f968a805264c3c6883fe77ac8fc4e72c
QuasarRAT
+ 190 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:opera spyware trojan
Link:
https://tria.ge/reports/230725-lnrx2ace5w/
Behaviour
Creates scheduled task(s)
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
telebit.cloud:29732
Unpacked files
SH256 hash:
3cea309d8b6b448883aafcf5f31119d212b71f4757e9b57c8315f1e5573e6fab
MD5 hash:
a68c52bcf23ee991ccc930e391435f48
SHA1 hash:
5664622a63b1d78c7947cdf191126f032cd4b0cf
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/e0c16c48-9b21-42e4-829f-df6e48f2499d/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3cea309d8b6b/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/3cea309d8b6b448883aafcf5f31119d212b71f4757e9b57c8315f1e5573e6fab

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_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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
Description:Detects QuasarRAT malware
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
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

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/432062/

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