MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3dbbe5d8d72bb915d2a7788665c1db4ae5d461dbea63ac7a4ec00f0581880dac. 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: 17


Intelligence 17 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3dbbe5d8d72bb915d2a7788665c1db4ae5d461dbea63ac7a4ec00f0581880dac
SHA3-384 hash: cff697a4f14d5183d8e9f9457f8fce69aa0bd1413c1cbb940ec097077d222c56fba5bbe62b7890d5e8fc15938c91a8f2
SHA1 hash: a70dee8ed802f0d92d617ecee3309615eb0ecce0
MD5 hash: 02974302d05f8bc4fd76bd730472afcb
humanhash: venus-sad-steak-connecticut
File name:02974302d05f8bc4fd76bd730472afcb.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'265'536 bytes
First seen:2023-05-26 14:50:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 98304:jIk4IIbtPUwyah7/l9jr18zR7CP+O93q:8Tbta7CPV3
Threatray 154 similar samples on MalwareBazaar
TLSH T1A1E54A1437F85E32E1AEE3B395B0441767F0FC2AB363EB0B6191A77A5C5375088816A7
TrID 53.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
12.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.5% (.SCR) Windows screen saver (13097/50/3)
7.6% (.EXE) Win64 Executable (generic) (10523/12/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
146.56.36.222:4782

Intelligence

File Origin
# of uploads :
1
# of downloads :
276
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
02974302d05f8bc4fd76bd730472afcb.exe
Verdict:
Malicious activity
Analysis date:
2023-05-26 15:00:30 UTC
Tags:
rat quasar trojan asyncrat
Link:
https://app.any.run/tasks/b6a60392-e7cc-4893-91aa-1f5c66e57052

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/392167/
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
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
Sending a custom TCP request
DNS request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm infostealer keylogger lolbin quasar quasarrat rat stealer stealer
Link:
https://www.filescan.io/uploads/6470c7582c496c7db201f185/reports/6cba3915-f69d-4ae3-b86d-8a413a597b79/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3dbbe5d8d72bb915d2a7788665c1db4ae5d461dbea63ac7a4ec00f0581880dac
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/d6003d23-c9e3-4b46-8629-a6ada6e212e8
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1243369
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
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 signatures2 2 Behavior Graph ID: 876376 Sample: Peg9Rc8yFK.exe Startdate: 26/05/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 6 other signatures 2->42 8 Peg9Rc8yFK.exe 5 2->8         started        12 Client.exe 3 2->12         started        process3 file4 26 C:\Users\user\AppData\Roaming\...\Client.exe, PE32 8->26 dropped 28 C:\Users\user\AppData\...\Peg9Rc8yFK.exe.log, CSV 8->28 dropped 44 Uses schtasks.exe or at.exe to add and modify task schedules 8->44 46 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->46 14 Client.exe 14 8 8->14         started        18 schtasks.exe 1 8->18         started        signatures5 process6 dnsIp7 30 146.56.36.222, 4782, 49711 NETDYNAMICSUS Japan 14->30 32 ipwho.is 195.201.57.90, 443, 49713 HETZNER-ASDE Germany 14->32 34 192.168.2.1 unknown unknown 14->34 48 Antivirus detection for dropped file 14->48 50 Multi AV Scanner detection for dropped file 14->50 52 Machine Learning detection for dropped file 14->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->54 20 schtasks.exe 1 14->20         started        22 conhost.exe 18->22         started        signatures8 process9 process10 24 conhost.exe 20->24         started       
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3dbbe5d8d72bb915d2a7788665c1db4ae5d461dbea63ac7a4ec00f0581880dac/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2023-05-24 13:27:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hw56lwgxfo4rluvhpcdglqo3jls5iyo35jr2y6soyahqlamibwwa._file
Verdict:
malicious
Similar samples:
3a62c18261a8f899c82eaed7aeb78c2d284788e55dd6c37cad57701a44df9a86
QuasarRAT
3cea3eed68e11a7775d7ee3d3b1f3718127a0926cf3e36dd316b7e56b15f2462
QuasarRAT
4a23db5ce6616e586397a0ac25de51cc1450f4217009715f8ac809b20d377b39
QuasarRAT
6bbfe6d2ca7241e70b06e47f8866d1256de832141b6e5fb6a2019e2f7099d263
QuasarRAT
787eef5b064487f1e731171de212a2b2a7974a4e8776cd78493c02e1c9592a66
QuasarRAT
8a69059cb39f960058cba45dd63b1b33eba4011bff0cc3e374e4d844393f3acc
QuasarRAT
9f788e07cb6b288c2650fa817d823425dbdfec3476a4683718ba2f351e9fa8b3
QuasarRAT
d6d76fa5c46ce88e8def28ab03889c00078284de39865f0b00b6b5dce603ce16
QuasarRAT
e57f004cdd5d2da92e0429a1fdba612f17852781f389dc855c217341e28dc35b
QuasarRAT
+ 144 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office04 spyware trojan
Link:
https://tria.ge/reports/230526-r76hesfh99/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
146.56.36.222:4782
Unpacked files
SH256 hash:
3dbbe5d8d72bb915d2a7788665c1db4ae5d461dbea63ac7a4ec00f0581880dac
MD5 hash:
02974302d05f8bc4fd76bd730472afcb
SHA1 hash:
a70dee8ed802f0d92d617ecee3309615eb0ecce0
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/5f919383-ea54-4458-88fd-886468b6688b/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3dbbe5d8d72b/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/3dbbe5d8d72bb915d2a7788665c1db4ae5d461dbea63ac7a4ec00f0581880dac

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/392167/

Comments