MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82687bbf89460d44b3cef2d06f5d09288c45d787323254026f39cb3421cc3954. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 82687bbf89460d44b3cef2d06f5d09288c45d787323254026f39cb3421cc3954
SHA3-384 hash: b56efe34b25b2f457656805072e478eb313311fd9692659e5f01532ac9116fb307a8a892c1c91b0a47bcc1d691989ecf
SHA1 hash: 2a6c10ea20bff9e297770bca2477a8bb82378c45
MD5 hash: dc17a1ec3a9bb84d21a7f6a7e77133f6
humanhash: oscar-four-south-cold
File name:dc17a1ec3a9bb84d21a7f6a7e77133f6
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:2'254'336 bytes
First seen:2024-11-01 03:47:53 UTC
Last seen:2024-11-01 06:21:32 UTC
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:YX5YSZrAEzwpX/qR0KlOmOdXcyhgkkTScqMkRnGfRlz+:K5YC4o0MOdX4zSPnGZh+
Threatray 897 similar samples on MalwareBazaar
TLSH T13CA52357AB9A85B1D6C6477AC5E7488107A3DAB2A5C3DB4B718E27C40C037B3DE421CB
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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
Reporter zbetcheckin
Tags:32 exe QuasarRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
409
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
a034366648b01d614c154f3cbf371916be93bcd3f7a02a2b36209af355beaf79.exe
Verdict:
Malicious activity
Analysis date:
2024-10-30 18:28:29 UTC
Tags:
purecrypter netreactor stealer redline lefthook metastealer loader
Link:
https://app.any.run/tasks/757b7026-85fa-42ca-893d-a9da74c17a13

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.21266.25067.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672450e28d23d904913260ee
Tags:
autorun msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Launching a process
Creating a window
Сreating synchronization primitives
DNS request
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a file
Searching for the window
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
net_reactor packed packed packer_detected
Link:
https://www.filescan.io/uploads/67244f71756c933fb11d8fb2/reports/a21ccd6e-f9a5-4369-b6a7-b79dd55768ab/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/82687bbf89460d44b3cef2d06f5d09288c45d787323254026f39cb3421cc3954
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/80f1d92a-5fe1-46c6-b803-768598310e7d
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1546536
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Drops VBS files to the startup folder
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1546536 Sample: Xp7zCcGiGj.exe Startdate: 01/11/2024 Architecture: WINDOWS Score: 100 65 service.o7lab.xyz 2->65 67 panel.o7lab.me 2->67 69 Multi AV Scanner detection for domain / URL 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 77 13 other signatures 2->77 11 Xp7zCcGiGj.exe 5 2->11         started        15 wscript.exe 1 2->15         started        signatures3 75 Performs DNS queries to domains with low reputation 65->75 process4 file5 55 C:\Users\user\AppData\Roaming\Value.exe, PE32 11->55 dropped 57 C:\Users\user\...\Value.exe:Zone.Identifier, ASCII 11->57 dropped 59 C:\Users\user\AppData\Roaming\...\Value.vbs, ASCII 11->59 dropped 99 Drops VBS files to the startup folder 11->99 101 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->101 103 Writes to foreign memory regions 11->103 105 Injects a PE file into a foreign processes 11->105 17 InstallUtil.exe 5 11->17         started        107 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->107 22 Value.exe 2 15->22         started        signatures6 process7 dnsIp8 63 panel.o7lab.me 31.13.224.34, 4782, 49704, 49794 SARNICA-ASBG Bulgaria 17->63 53 C:\Users\user\AppData\...53exSZleDljOR.bat, DOS 17->53 dropped 79 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->79 24 cmd.exe 1 17->24         started        81 Antivirus detection for dropped file 22->81 83 Multi AV Scanner detection for dropped file 22->83 85 Machine Learning detection for dropped file 22->85 87 2 other signatures 22->87 27 InstallUtil.exe 4 22->27         started        file9 signatures10 process11 file12 91 Uses ping.exe to sleep 24->91 93 Uses ping.exe to check the status of other devices and networks 24->93 30 InstallUtil.exe 3 24->30         started        32 conhost.exe 24->32         started        34 PING.EXE 1 24->34         started        36 chcp.com 1 24->36         started        61 C:\Users\user\AppData\...6ikBcGmgYAV.bat, DOS 27->61 dropped 95 Hides that the sample has been downloaded from the Internet (zone.identifier) 27->95 97 Installs a global keyboard hook 27->97 38 cmd.exe 27->38         started        signatures13 process14 signatures15 41 conhost.exe 30->41         started        89 Uses ping.exe to sleep 38->89 43 InstallUtil.exe 38->43         started        45 conhost.exe 38->45         started        47 chcp.com 38->47         started        49 PING.EXE 38->49         started        process16 process17 51 conhost.exe 43->51         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/82687bbf89460d44b3cef2d06f5d09288c45d787323254026f39cb3421cc3954
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/82687bbf89460d44b3cef2d06f5d09288c45d787323254026f39cb3421cc3954/
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2024-10-31 15:43:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qjuhxp4jiygujm6o6lig6xijfcgelv4hgizfiatphhftiiomhfka._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
07deca4ee05fb2463cacbf60235160c22bcbf922084f8ffc8cd935bb86e6319f
QuasarRAT
3a8a3be6bfb60b2b9b2d02cc6ddf57e2ff0cb001b764df199026adc4e287ec4a
QuasarRAT
4635920e78112660335f3ee1a05290b0fc174787a0e4532a029983e02179ad0b
QuasarRAT
6ce9c0ea355a3baed90c8ac4807f89069789ff03e105838002dd3ee7ce1b5830
QuasarRAT
e844192fb4c52758db729e18e8898fe0921bdbe1e2d3ac3da6a6b5d2cedecb71
QuasarRAT
error
QuasarRAT
+ 887 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:panel.o7lab.me discovery spyware trojan
Link:
https://tria.ge/reports/241101-ecrpkavkgv/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Program crash
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Drops startup file
Quasar RAT
Quasar family
Quasar payload
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
panel.o7lab.me:4782
service.o7lab.xyz:4782
underground-cheat.xyz:4782
service.o7lab.com.tr:4782
Verdict:
Malicious
Tags:
quasar_rat
YARA:
n/a
Link:
https://app.threat.zone/submission/7eb1f2d1-960b-4911-b93d-d3e0c95a1feb
Unpacked files
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/785821a8-a561-4a74-a7ec-6e183928f20e/
SH256 hash:
1615310612ab89a425e9543ac8a5b72c47278aa40ea393e21f6f6d93bfd03b2f
MD5 hash:
8771c84ae07a5dd5362fb9622baf32e8
SHA1 hash:
452ee149ef3d11943afe09ca32adb491cdf967d6
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/785821a8-a561-4a74-a7ec-6e183928f20e/
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
Link:
https://www.unpac.me/results/785821a8-a561-4a74-a7ec-6e183928f20e/
SH256 hash:
7202d64c4476fbeccd653fbd646ca5b1cdf8a4acc57a8fb17b71c5b134f3f55c
MD5 hash:
7d15f1b197f17e8929170c824c950efd
SHA1 hash:
28cdfd87b71fe683abe76586dce7471ba66235b5
Detections:
QuasarRAT
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
win_quasar_rat_client
Create hunting rule
win_quasarrat_j2
Create hunting rule
MALWARE_Win_QuasarStealer
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Link:
https://www.unpac.me/results/785821a8-a561-4a74-a7ec-6e183928f20e/
SH256 hash:
2fd6cde904302d7cfffa519bb48aac66e87ed2ee05daaffc89354cb6cd31d163
MD5 hash:
1761d5cb76fdbbd49ee6a57e3a9d2675
SHA1 hash:
20a916b392e78db119e45bfcaabb3c430da832d2
Link:
https://www.unpac.me/results/785821a8-a561-4a74-a7ec-6e183928f20e/
SH256 hash:
82687bbf89460d44b3cef2d06f5d09288c45d787323254026f39cb3421cc3954
MD5 hash:
dc17a1ec3a9bb84d21a7f6a7e77133f6
SHA1 hash:
2a6c10ea20bff9e297770bca2477a8bb82378c45
Link:
https://www.unpac.me/results/785821a8-a561-4a74-a7ec-6e183928f20e/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/82687bbf8946/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/82687bbf89460d44b3cef2d06f5d09288c45d787323254026f39cb3421cc3954

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: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.

Web download

QuasarRAT

Executable exe 82687bbf89460d44b3cef2d06f5d09288c45d787323254026f39cb3421cc3954

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3268904/

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 (GUARD_CF)high

Comments


Avatar
zbet commented on 2024-11-01 03:47:54 UTC

url : hxxp://gdx.o7lab.me/svcsvr.exe