MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d45801772b476bb53a0fed32db423b19b97310d6c5ec2779b108cdcdf1ced6a. 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: 4d45801772b476bb53a0fed32db423b19b97310d6c5ec2779b108cdcdf1ced6a
SHA3-384 hash: 149b8effcc532522da4a7dcbcab3f4eff3698c045dc8150c442cb943870bba9b6298dede6895d32e7fe2ab7b176a67ae
SHA1 hash: d71799b31894752d08b8a0ce5af639ea2cb6abb9
MD5 hash: 3b20a80251740bb4443968cdd125b99d
humanhash: mountain-stream-quiet-november
File name:3b20a80251740bb4443968cdd125b99d.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'266'048 bytes
First seen:2023-07-26 10:56:22 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 49152:3vKI22SsaNYfdPBldt698dBcjH+URJ6KbR3LoGd5THHB72eh2NT:3vn22SsaNYfdPBldt6+dBcjH+URJ6k
Threatray 204 similar samples on MalwareBazaar
TLSH T106E56B143BF85E27E1BBE277A5B0041267F0FC1AF363EB0B6581677A1C53B5098426A7
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:
152.89.247.113:2

Intelligence

File Origin
# of uploads :
1
# of downloads :
294
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
3b20a80251740bb4443968cdd125b99d.exe
Verdict:
Malicious activity
Analysis date:
2023-07-26 10:57:44 UTC
Tags:
rat quasar trojan asyncrat remote
Link:
https://app.any.run/tasks/ca4c4e33-258d-4666-b3a1-3cd29abd3762

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/433534/
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
Creating a window
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm certreq control expand explorer infostealer keylogger lolbin quasar quasarrat rat remote replace schtasks stealer stealer
Link:
https://www.filescan.io/uploads/64c0fbffae1d636281d481dc/reports/c1cd57c6-c5c0-46a6-9222-d21bac9d424f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4d45801772b476bb53a0fed32db423b19b97310d6c5ec2779b108cdcdf1ced6a
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/d5458612-d7da-4595-a921-174211aa99d8
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1280056
Signature
Antivirus / Scanner detection for submitted sample
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 sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1280056 Sample: hJ1T1FtR4w.exe Startdate: 26/07/2023 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 7 other signatures 2->58 9 hJ1T1FtR4w.exe 5 2->9         started        process3 dnsIp4 46 bideo.duckdns.org 9->46 40 C:\Users\user\AppData\...\hJ1T1FtR4w.exe.log, CSV 9->40 dropped 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->64 66 Installs a global keyboard hook 9->66 14 cmd.exe 1 9->14         started        file5 signatures6 process7 signatures8 70 Uses ping.exe to sleep 14->70 72 Uses ping.exe to check the status of other devices and networks 14->72 17 hJ1T1FtR4w.exe 4 14->17         started        21 PING.EXE 1 14->21         started        23 conhost.exe 14->23         started        25 chcp.com 1 14->25         started        process9 dnsIp10 42 bideo.duckdns.org 17->42 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->60 62 Installs a global keyboard hook 17->62 27 cmd.exe 1 17->27         started        44 192.168.2.1 unknown unknown 21->44 signatures11 process12 signatures13 68 Uses ping.exe to sleep 27->68 30 hJ1T1FtR4w.exe 14 2 27->30         started        34 conhost.exe 27->34         started        36 PING.EXE 1 27->36         started        38 chcp.com 1 27->38         started        process14 dnsIp15 48 bideo.duckdns.org 152.89.247.113, 2, 49683 COMBAHTONcombahtonGmbHDE Germany 30->48 50 ipwho.is 195.201.57.90, 443, 49685 HETZNER-ASDE Germany 30->50 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 30->74 76 Installs a global keyboard hook 30->76 signatures16
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4d45801772b476bb53a0fed32db423b19b97310d6c5ec2779b108cdcdf1ced6a/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2023-07-21 02:21:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jvcyaf3swr3lwu5a73js3nbdwgnzominnrpme543ccgnzxy45vva._file
Verdict:
malicious
Similar samples:
1cecb5f04b2bb2994f2f5f3f9413de052a28a33f7efbfa52fa8b71ef47b5d8c5
QuasarRAT
2259304db67dd25fa5ce47bde5b1c8cffab23292c2cec7d3bc2a0c303aace85b
QuasarRAT
36332d397a9c6303da243d4e155d5277dd148e5226389bd07543bc73b126c89b
QuasarRAT
3cea309d8b6b448883aafcf5f31119d212b71f4757e9b57c8315f1e5573e6fab
QuasarRAT
5e8fac6112512b2f2a726424c8acfe486043905a2b8efc0219be0c551a4a6cd6
QuasarRAT
9c17ba1f31d3c5a41d0437818a7d6512775ba991a1d8a03e49f29fc982191190
QuasarRAT
a8a85e6faaed6a3dc5687d05b92a9f181e0d986eae1b4e1d731c221990920037
QuasarRAT
aa18400f1aa2fef6c2a5a50965981a3d668e052ce8ac851a8bd145cac1ee2ace
QuasarRAT
+ 194 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/230726-m188hsah87/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
bideo.duckdns.org:2
Unpacked files
SH256 hash:
4d45801772b476bb53a0fed32db423b19b97310d6c5ec2779b108cdcdf1ced6a
MD5 hash:
3b20a80251740bb4443968cdd125b99d
SHA1 hash:
d71799b31894752d08b8a0ce5af639ea2cb6abb9
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/627dc7f3-d37c-48b2-aede-0ecf08ed74b7/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4d45801772b4/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/4d45801772b476bb53a0fed32db423b19b97310d6c5ec2779b108cdcdf1ced6a

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/433534/

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