MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d80b06effbd34b981b32276034abe3c118ac51a53ace4a253bb52c90cb18f13d. 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: 18


Intelligence 18 IOCs 1 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d80b06effbd34b981b32276034abe3c118ac51a53ace4a253bb52c90cb18f13d
SHA3-384 hash: 6ac7ca2d9d9a62d16eb008eda48452ec36880691955c616b1bb9695170ad5ff27b028d3f14383dc7059d50795503e479
SHA1 hash: 2e3f689209e7696052fe6548dd1c53245d1b307b
MD5 hash: 80a20c307904ed98007d5c6716839ab5
humanhash: september-stairway-tennessee-crazy
File name:rVAKIFBANK-Ödemeonaymakbuzu20240826.pdf.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'806'720 bytes
First seen:2024-08-28 23:03:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 98304:riJ0iNYbre9gJGGahLc2L12IXgb+wOcYFzrZfuJIZOeX:rm0iireNLc2R/WHO5PuIUe
TLSH T1BA0623E139286B19CC5F0636A2A9DD7256A30D6ABC44BBE60DDC7F4730AD200AD5CF17
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 4db292f2d88cb40b (15 x RemcosRAT, 13 x AgentTesla, 7 x NanoCore)
Reporter FXOLabs
Tags:exe QuasarRAT

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
213.159.74.80:9792 https://threatfox.abuse.ch/ioc/1316335/

Intelligence

File Origin
# of uploads :
1
# of downloads :
363
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
rVAKIFBANK-Ödemeonaymakbuzu20240826.pdf.exe
Verdict:
Malicious activity
Analysis date:
2024-08-28 23:13:52 UTC
Tags:
rat asyncrat remote quasar evasion
Link:
https://app.any.run/tasks/dd0b01f3-5772-4182-a70b-c52f837df909

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Porcupine.MSIL.Kryptik.AMEZ.261793.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66cface6fe69a9e56049cbeb
Tags:
Execution Generic Network Static Stealth Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process from a recently created file
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/d80b06effbd34b981b32276034abe3c118ac51a53ace4a253bb52c90cb18f13d
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/9455c2a3-6c31-409d-8611-11a1e1fe4147
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1500875
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Double Extension File Execution
Suricata IDS alerts for network traffic
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1500875 Sample: rVAKIFBANK-#U00d6demeonayma... Startdate: 29/08/2024 Architecture: WINDOWS Score: 100 44 twart.myfirewall.org 2->44 46 ipwho.is 2->46 48 bg.microsoft.map.fastly.net 2->48 56 Suricata IDS alerts for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 10 other signatures 2->62 11 rVAKIFBANK-#U00d6demeonaymakbuzu20240826.pdf.exe 3 2->11         started        15 workbook.exe 2 2->15         started        signatures3 process4 file5 42 rVAKIFBANK-#U00d6d...0240826.pdf.exe.log, ASCII 11->42 dropped 68 Uses schtasks.exe or at.exe to add and modify task schedules 11->68 70 Injects a PE file into a foreign processes 11->70 17 rVAKIFBANK-#U00d6demeonaymakbuzu20240826.pdf.exe 4 11->17         started        21 rVAKIFBANK-#U00d6demeonaymakbuzu20240826.pdf.exe 11->21         started        23 workbook.exe 2 15->23         started        signatures6 process7 file8 40 C:\Users\user\AppData\...\workbook.exe, PE32 17->40 dropped 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->54 25 workbook.exe 3 17->25         started        28 schtasks.exe 1 17->28         started        signatures9 process10 signatures11 64 Multi AV Scanner detection for dropped file 25->64 66 Injects a PE file into a foreign processes 25->66 30 workbook.exe 15 2 25->30         started        34 conhost.exe 28->34         started        process12 dnsIp13 50 twart.myfirewall.org 213.159.74.80, 49730, 9792 CTINET-ASCTINETAutonomousSystemRU Russian Federation 30->50 52 ipwho.is 108.181.98.179, 443, 49732 ASN852CA Canada 30->52 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 30->72 74 Installs a global keyboard hook 30->74 36 schtasks.exe 1 30->36         started        signatures14 process15 process16 38 conhost.exe 36->38         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d80b06effbd34b981b32276034abe3c118ac51a53ace4a253bb52c90cb18f13d
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d80b06effbd34b981b32276034abe3c118ac51a53ace4a253bb52c90cb18f13d/
Threat name:
Win32.Backdoor.QuasarRAT
Create hunting rule
Status:
Malicious
First seen:
2024-08-26 16:35:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3afqn3732nfzqgzse5qdjk7dyemkyunfhlheujj3wuwjbsyy6e6q._file
Verdict:
malicious
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:long leg discovery spyware trojan
Link:
https://tria.ge/reports/240828-218z3s1cqg/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
twart.myfirewall.org:9792
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/aa2ec9cb-70d1-4584-8333-7b7d5dfbfe1d
Unpacked files
SH256 hash:
c5cb97fbe4243df1a99a9c82f44ad555f283fad9f4b15b791faebe5048c8fc99
MD5 hash:
3e8b57c2be9df63483a368b71ccb938b
SHA1 hash:
deb26a1b7f616c8d392ae55dd279140b034a4060
Detections:
QuasarRAT
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
win_quasarrat_j2
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
Link:
https://www.unpac.me/results/db75f9d8-a901-451c-bb1a-ee13fef68076/
Parent samples :
5a3a32262eb6d6ca3126a6055e32cd1c0a680637b3f238d0fbb0e36bc9b8081d
3255bba29d1d4de38cb9d72636251ed19516ee5c090512f4332f38b837cf13f0
d80b06effbd34b981b32276034abe3c118ac51a53ace4a253bb52c90cb18f13d
a388e34ff2cb46b718c443618a4597468bfc2236195c06bccbfa71dbf5d47479
c40f2fe5758bf18b22131930c426b2551b191d4ec50ea072a232895d006eace1
c5cb97fbe4243df1a99a9c82f44ad555f283fad9f4b15b791faebe5048c8fc99
6230049aca6cf64db37be7c35946481041629c4f40311f5a39ba45303bd992e7
f9fe40ca4d842619322a11c4013a2210132d4c7afa0c4ae88be17f13ee6d1b16
fd3b039df3e9a565b6964276f98c61d4555f3f3dabf1a9d76604f9ff4d4b3fb7
b4a61a178dfda52928802e1189f3bf1bef1c03aecf6b6fc99d2a3713f3d5e202
SH256 hash:
04ac6bbb7c227c6948f4f3f5abe11ef977c8b751126999f43bef8888b4311135
MD5 hash:
75c2493da84a7bbb541c981bdff21055
SHA1 hash:
ce8e939b69981e2ee5fe3f5fb838998c02bfd183
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/db75f9d8-a901-451c-bb1a-ee13fef68076/
SH256 hash:
379148dd85047d5d4fe425b3d6511af328b29954c8b65f75530d4664857eb595
MD5 hash:
3c66de8c98f1d2c93af505b3710a834e
SHA1 hash:
a49c90d424e0c10d5605c5521ee79fb9f3f59f18
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/db75f9d8-a901-451c-bb1a-ee13fef68076/
Parent samples :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 hash:
6acc5d6df27e7a7c84a02305b36188873a3fc0c9cefcbecb82af0c6a1609047c
MD5 hash:
20d04d15be1f8344803d537c208844a4
SHA1 hash:
965b5b2bad3428cb11b1988247b6c593d64e6a3e
Link:
https://www.unpac.me/results/db75f9d8-a901-451c-bb1a-ee13fef68076/
SH256 hash:
d80b06effbd34b981b32276034abe3c118ac51a53ace4a253bb52c90cb18f13d
MD5 hash:
80a20c307904ed98007d5c6716839ab5
SHA1 hash:
2e3f689209e7696052fe6548dd1c53245d1b307b
Link:
https://www.unpac.me/results/db75f9d8-a901-451c-bb1a-ee13fef68076/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d80b06effbd3/report/overview.html
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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
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.

Malspam

QuasarRAT

Executable exe d80b06effbd34b981b32276034abe3c118ac51a53ace4a253bb52c90cb18f13d

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments