MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17abf2eb5bfc5f1be41bbba2e0b1cb59787e3879d152bf6ff9b4d91702a402c4. 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: 14


Intelligence 14 IOCs YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 17abf2eb5bfc5f1be41bbba2e0b1cb59787e3879d152bf6ff9b4d91702a402c4
SHA3-384 hash: 35a97dfc009960c9ee75c5c8ec9bf3cbfbd67058164dfc28bb414938c6795854b296bda83d247c94b8ed03b9a69efc6e
SHA1 hash: 09bf99f28f540a2f977329c495adc23fa0f4e8ea
MD5 hash: 36a4eb55bb618a661efecba78acb0694
humanhash: fish-charlie-berlin-twenty
File name:LisectAVT_2403002A_408.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'266'056 bytes
First seen:2024-07-25 00:30:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 49152:Lvjz92YpaQI6oPZlhP3ReybewowCO1J9LoGdkWwTHHB72eh2NT:LvX92YpaQI6oPZlhP3YybewowCsU
Threatray 740 similar samples on MalwareBazaar
TLSH T185E54A1437F85E23E1BBE273D5B0041267F1EC2AB363FB5B6181677A1C93B505841AAB
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)
Reporter Anonymous
Tags:exe QuasarRAT


Avatar
Anonymous
this malware sample is very nasty!

Intelligence

File Origin
# of uploads :
1
# of downloads :
61
Origin country :
CN CN
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

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a19cdecb3d02fa0e4994c9
Tags:
Encryption Execution Generic Network Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the system32 subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
DNS request
Setting a keyboard event handler
Connection attempt
Creating a window
Enabling autorun by creating a file
Unauthorized injection to a system process
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/7d028fcf-6a95-4fef-b72e-1a5d586ee576
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1482276
Behaviour
Behavior Graph:
n/a
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/17abf2eb5bfc5f1be41bbba2e0b1cb59787e3879d152bf6ff9b4d91702a402c4
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/17abf2eb5bfc5f1be41bbba2e0b1cb59787e3879d152bf6ff9b4d91702a402c4/
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Create hunting rule
Status:
Malicious
First seen:
2024-07-25 00:32:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=c6v7f2237rprxza3xorobmollf4h4odz2fjl637zwtmroavealca._file
Verdict:
malicious
Similar samples:
07412fb8708bdbd23115743c4856981eb03873b755d0fbd4ec7745a642dff25c
QuasarRAT
30c381a042e571d4d749f7aff6e1b17d77100ad35368c9a67136c1b5436c79cb
QuasarRAT
f181b5a4e2f0dc0cdf70e16c18e3466e436aae0bb96ef9b7dc24c7f219167115
QuasarRAT
f72153dbb753423e630840ed3674c6a0ce27b4ff5d1790a5bbb6d5707f9ed41e
QuasarRAT
f99ecbd9f26048dbb962f1711199e5f5d00ac8bbd87f539dd5a99631a15fadba
QuasarRAT
fef41f0e605a109f64d8078ad0bb3813b39f562a90c63449120bae59be131284
QuasarRAT
+ 730 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:#9e302 高二五班 spyware trojan
Link:
https://tria.ge/reports/240725-at49rswgrr/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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:
fallempire.tpddns.cn:4784
beaker.top:4784
1433223.duckdns.org:4784
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/29135d6b-9d9b-4d28-a305-c804accc64d0
Unpacked files
SH256 hash:
17abf2eb5bfc5f1be41bbba2e0b1cb59787e3879d152bf6ff9b4d91702a402c4
MD5 hash:
36a4eb55bb618a661efecba78acb0694
SHA1 hash:
09bf99f28f540a2f977329c495adc23fa0f4e8ea
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/2e904ea8-16c8-4b18-b080-456a22ff5e6f/
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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
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 artifacts 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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RC6_Constants
Create hunting rule
Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_803feff4
Create hunting rule
Author:Elastic Security
Rule name:win_quasar_rat_client
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in Quasar Rat Samples.

File information

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

Malspam

QuasarRAT

Executable exe 17abf2eb5bfc5f1be41bbba2e0b1cb59787e3879d152bf6ff9b4d91702a402c4

(this sample)

  
Link
https://bbs.kafan.cn/forum-31-1.html
  
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